{"id":6204,"date":"2026-07-08T06:43:17","date_gmt":"2026-07-08T06:43:17","guid":{"rendered":"https:\/\/taiguo-steamboiler.com\/blog\/aac-bricks-vs-clay-fly-ash-bricks\/"},"modified":"2026-07-08T06:43:17","modified_gmt":"2026-07-08T06:43:17","slug":"aac-bricks-vs-clay-fly-ash-bricks","status":"publish","type":"post","link":"https:\/\/taiguo-steamboiler.com\/pt\/blog\/aac-bricks-vs-clay-fly-ash-bricks\/","title":{"rendered":"Tijolos AAC vs Tijolo de Argila vs Tijolo Fly-Ash: Qual ganha em densidade, for\u00e7a e custo?"},"content":{"rendered":"<div class=\"seo-blog-content\" style=\"padding:1px 0;\">\n<p>AAC bricks are a lightweight, steam-cured masonry block made from cement, lime, sand or fly ash, and a foaming agent, cured in a high-pressure autoclave. They weigh up to three times less than clay bricks and fly-ash bricks, but that lightweight advantage doesn\u2019t automatically make for a stronger <em>or<\/em> cheaper wall. Anyone comparing autoclaved aerated concrete against traditional clay bricks or fly-ash bricks for their construction projects is really measuring three separate variables at once-density, compressive strength, and installed wall cost-and the honest truth is no single material performs best on all three. We break down the comparison, dimension by dimension, using data from a 2025 peer-reviewed lab study alongside standards information so you can pick the best material, not the best salesperson.<\/p>\n<p style=\"margin:24px 0; padding:16px 20px; background:#f5f5f5; border-left:3px solid #2d2d2d;\">AAC brick weighs about 550-650 kg\/m\u00b3 compared to 1,800-2,000 kg\/m\u00b3 for clay brick and 1,950-2,050 kg\/m\u00b3 for fly-ash brick. In the same 2025 laboratory study, AAC&#8217;s compressive strength came in at 5.01 N\/mm\u00b2, less than both clay and fly-ash bricks tested in the same batch. The same study found AAC cost a 29% lower price for a completed wall vs. clay bricks and 36% vs. fly-ash bricks, once mortar and labor were factored in.<\/p>\n<div style=\"margin:24px 0; padding:20px 24px; background:#f5f5f5; border:1px solid #e0e0e0; border-top:3px solid #2d2d2d;\">\n<strong style=\"display:block; margin-bottom:12px;\">Key Facts at a Glance<\/strong><\/p>\n<ul style=\"padding-left:20px; margin:0;\">\n<li style=\"padding:4px 0;\">In a controlled 2025 laboratory study AAC bricks performed worse, not better, than clay bricks and fly-ash bricks.<\/li>\n<li style=\"padding:4px 0;\">Fly-ash brick&#8217;s compressive strength spans 3.5 up to 30 N\/mm\u00b2, depending on grade.<\/li>\n<li style=\"padding:4px 0;\">A great deal of commercial AAC already uses fly ash for silica.<\/li>\n<li style=\"padding:4px 0;\">Real AAC cost savings show up in the finished wall, fewer blocks, less mortar, faster labor, not necessarily in the per-block price.<\/li>\n<li style=\"padding:4px 0;\">There&#8217;s very little public data available on the climate suitability of fly-ash brick as compared to AAC or clay bricks.<\/li>\n<\/ul>\n<\/div>\n<div style=\"margin:24px 0; padding:20px 24px; background:#f5f5f5; border:1px solid #e0e0e0; border-top:3px solid #2d2d2d;\">\n<h3 style=\"margin:0 0 16px;\">Quick Specs: AAC vs Clay Brick vs Fly-Ash Brick<\/h3>\n<div style=\"overflow-x:auto;\">\n<table style=\"width:100%; border-collapse:collapse; border:1px solid #e0e0e0;\">\n<caption style=\"caption-side:top; text-align:left; font-weight:600; padding:8px 0; color:#2d2d2d;\">AAC brick weighs about a third of clay brick or fly-ash brick, but trades away compressive strength for that weight saving.<\/caption>\n<thead>\n<tr style=\"background:#2d2d2d; color:#ffffff;\">\n<th scope=\"col\" style=\"padding:12px 16px; text-align:left; font-weight:600;\">Property<\/th>\n<th scope=\"col\" style=\"padding:12px 16px; text-align:left; font-weight:600;\">AAC Brick<\/th>\n<th scope=\"col\" style=\"padding:12px 16px; text-align:left; font-weight:600;\">Clay Brick<\/th>\n<th scope=\"col\" style=\"padding:12px 16px; text-align:left; font-weight:600;\">Fly-Ash Brick<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"border-bottom:1px solid #e0e0e0;\">\n<td style=\"padding:12px 16px;\">Dry density<\/td>\n<td style=\"padding:12px 16px;\">550-650 kg\/m\u00b3<\/td>\n<td style=\"padding:12px 16px;\">1,800-2,000 kg\/m\u00b3<\/td>\n<td style=\"padding:12px 16px;\">1,950-2,050 kg\/m\u00b3<\/td>\n<\/tr>\n<tr style=\"background:#f5f5f5; border-bottom:1px solid #e0e0e0;\">\n<td style=\"padding:12px 16px;\">Compressive strength<\/td>\n<td style=\"padding:12px 16px;\">3.5-5.0 N\/mm\u00b2 (Grade I minimum 3.5)<\/td>\n<td style=\"padding:12px 16px;\">3.5-10.5 N\/mm\u00b2 (class-dependent)<\/td>\n<td style=\"padding:12px 16px;\">3.5-30 N\/mm\u00b2 (10 BIS grade classes)<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #e0e0e0;\">\n<td style=\"padding:12px 16px;\">Thermal conductivity<\/td>\n<td style=\"padding:12px 16px;\">0.10-0.24 W\/m\u00b7K<\/td>\n<td style=\"padding:12px 16px;\">0.7-1.0 W\/m\u00b7K<\/td>\n<td style=\"padding:12px 16px;\">Limited published data; commonly cited near 0.5-0.8 W\/m\u00b7K<\/td>\n<\/tr>\n<tr style=\"background:#f5f5f5; border-bottom:1px solid #e0e0e0;\">\n<td style=\"padding:12px 16px;\">Standard unit size<\/td>\n<td style=\"padding:12px 16px;\">600 \u00d7 200 \u00d7 100-300 mm<\/td>\n<td style=\"padding:12px 16px;\">230 \u00d7 110 \u00d7 75 mm (region-dependent)<\/td>\n<td style=\"padding:12px 16px;\">230 \u00d7 110 \u00d7 75 mm (commonly matches clay brick)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:12px 16px;\">Typical use<\/td>\n<td style=\"padding:12px 16px;\">Non-load-bearing to mid-rise load-bearing walls<\/td>\n<td style=\"padding:12px 16px;\">Traditional load-bearing and facade walls<\/td>\n<td style=\"padding:12px 16px;\">Load-bearing walls, especially near coal power plants<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p style=\"color:#6b7280; margin:12px 0 0; font-size:0.95em;\">Ranges cited below were compiled from Paul, Dey &amp; Dhar (2025), IS 2185 (Part 3), IS 12894, and JK Cement product data. Commercial ranges may differ by grade, region and manufacturer (see each section for sourcing details).<\/p>\n<\/div>\n<h2 style=\"margin:48px 0 16px; padding-bottom:10px; border-bottom:2px solid #2d2d2d;\">What Is AAC, Clay Brick, and Fly-Ash Brick?<\/h2>\n<figure style=\"margin:28px 0; text-align:center;\"><img decoding=\"async\" src=\"https:\/\/taiguo-steamboiler.com\/wp-content\/uploads\/2026\/07\/aac-bricks-vs-clay-fly-ash-bricks-h2_01.png\" alt=\"What Is AAC, Clay Brick, and Fly-Ash Brick? \u2014 Taiguo Boiler\" width=\"1200\" height=\"800\" loading=\"lazy\" style=\"max-width:100%; height:auto; border-radius:8px;\" \/><\/figure>\n<p>Cement, lime, and silica (sand or fly ash) go into AAC brick, which is then steam-cured to form a lightweight aerated masonry unit. Clay brick is fired in a kiln at 800-1,100\u00b0C to form a ceramic bond. Fly-ash brick is pressed from coal fly ash and lime, then air- or low-pressure-cured, with no autoclave step required (per <a href=\"https:\/\/isgswikis.web.illinois.edu\/icci_reports\/files\/original\/346a5a1149b0f93bf2ae6c89de72ae63.pdf\" style=\"text-decoration:underline; text-underline-offset:3px; color:#2d2d2d;\" target=\"_blank\" rel=\"nofollow noopener\">University of Illinois research on manufacturing AAC from fly ash<\/a>).<\/p>\n<p>AAC brick, known as autoclaved aerated concrete, is a pre-cast masonry unit composed of Portland cement, lime, a source of silica (quartz sand or fly ash), water, and a small amount of aluminum powder that reacts and releases hydrogen gas to cause foaming prior to curing in an autoclave under steam at high pressure. The nature of AAC as a product family is broader than one recipe: various types of AAC blocks and other AAC materials exist within this basic formula, and among AAC products the differences generally come down to density classification rather than a fundamentally different concrete product, a key fact to know if your supplier is offering multiple AAC options. Clay bricks are formed, and then fired in a traditional kiln between 800 and 1,100C to form a ceramic bond. Fly-ash bricks are pressed or molded from fly ash-a powder byproduct from burning coal for power generation-mixed with lime, gypsum, and in some cases cement. Fly-ash bricks don&#8217;t require autoclave curing, and can be air-cured or cured under low pressure and temperature.<\/p>\n<p>You&#8217;re not going to confuse AAC with plain concrete block: the normal traditional concrete blocks (CMU)s are dense, solid-cast, un-aerated things, while all the lightweight character of AAC comes from the autoclave-cured air-cell structure&#8211;they just share the &#8220;concrete&#8221; name, but not the function in the building envelope, nor the performance profile, structurally or thermally.<\/p>\n<p>And here&#8217;s a little detail that a lot of buyer guides conveniently skip: AAC and fly-ash brick aren&#8217;t necessarily mutually exclusive. Under ASTM C1693, the silica component can be either quartz sand or fly ash, and it&#8217;s really common for a coal-fired region plant that&#8217;s in an area that mines coal to use fly ash rather than mined sand just because it&#8217;s more local and thus less expensive. Thus, a &#8220;AAC versus fly-ash brick&#8221; comparison can often be just &#8220;steam-cured fly-ash product versus press-formed fly-ash product,&#8221; and not a &#8220;brand new virgin materials versus recovered waste materials&#8221; comparison as it first seems. What actually separates them isn&#8217;t the materials&#8217; provenance but the curing process, the autoclave, which sets AAC apart. Clay brick, which has neither fly ash nor steam curing, is the true outlier of the three.<\/p>\n<p style=\"margin:24px 0; padding:16px 20px; background:#f5f5f5; border:1px solid #e0e0e0; border-left:3px solid #2d2d2d;\">\n<span style=\"font-size:1.1em;\">\u26a0\ufe0f<\/span> <strong>Scope note<\/strong>This guide covers standard AAC masonry blocks and bricks. It doesn&#8217;t cover Reinforced Autoclaved Aerated Concrete (RAAC) panels, a separate structural product with embedded rebar used for floors and roofs, which gained attention in the UK after aging public-building panels showed deterioration. RAAC&#8217;s service-age and reinforcement risks are a distinct engineering topic from the non-reinforced masonry blocks compared here.\n<\/p>\n<p>Another subtlety in the structure of AAC as a category: it spans more than one product form. We&#8217;re looking at blocks for the purpose of this guide, but the properties and features of AAC also extend to reinforced wall panels and AAC wall panels engineered for AAC floor and roof applications, reinforced concrete detailing with embedded steel that ordinary block-form AAC doesn&#8217;t need. If suppliers lump AAC blocks or panels together, sometimes described loosely as &#8220;blocks and panels&#8221; or &#8220;panels and blocks&#8221; \u2014 remember to differentiate them: a big jumbo block or a thick unit used as non-structural wall infill has very different engineered properties than an AAC floor panel or a load-bearing roof panel designed to bridge a structural bay. When shopping for floor systems, ask for &#8220;panel-rated&#8221; or &#8220;structural panel&#8221; specifications instead of &#8220;block-rated&#8221; ones, because properties like flexural capacity and reinforcement cover differ from those that apply to a block.<\/p>\n<h2 style=\"margin:48px 0 16px; padding-bottom:10px; border-bottom:2px solid #2d2d2d;\">Density Compared, How Much Lighter Is AAC?<\/h2>\n<figure style=\"margin:28px 0; text-align:center;\"><img decoding=\"async\" src=\"https:\/\/taiguo-steamboiler.com\/wp-content\/uploads\/2026\/07\/aac-bricks-vs-clay-fly-ash-bricks-h2_02.png\" alt=\"Density Compared, How Much Lighter Is AAC? \u2014 Taiguo Boiler\" width=\"1200\" height=\"800\" loading=\"lazy\" style=\"max-width:100%; height:auto; border-radius:8px;\" \/><\/figure>\n<p>At roughly 627 kg\/m\u00b3, AAC brick weighs about three times less than clay brick (1,934 kg\/m\u00b3) and fly-ash brick (2,029 kg\/m\u00b3), based on identical 230\u00d7110\u00d775mm test specimens from a <a href=\"http:\/\/dx.doi.org\/10.17515\/resm2025-392me0811rs\" style=\"text-decoration:underline; text-underline-offset:3px; color:#2d2d2d;\" target=\"_blank\" rel=\"nofollow noopener\">2025 controlled lab study<\/a>. That weight difference is AAC&#8217;s single biggest structural advantage.<\/p>\n<p>Let&#8217;s get right down to it and see just how much lighter AAC brick really is than its counterparts: AAC brick is approximately 3x lighter than both clay and fly-ash brick; this was experimentally verified with an identically sized controlled test run on the materials in the laboratory at ICFAI University Tripura in 2025. The units (which measured 230 110 75 mm) weighed 1.19 kg, 3.85 kg and 3.67 kg respectively, with AAC brick weighing significantly less than the others. If you translate those measurements into a per-volume equivalent (based on the unit&#8217;s shared volume of 0.0019 m\u00b3), AAC brick weighs in at about 627 kg\/m\u00b3, while the fly-ash brick registered 2,029 kg\/m\u00b3 and the clay brick weighs about 1,934 kg\/m\u00b3, meaning AAC is more than 3x lighter than both, and a 30 percent difference was registered between the fly-ash brick and clay brick based on weight alone!<\/p>\n<div style=\"margin:24px 0; overflow-x:auto;\">\n<table style=\"width:100%; border-collapse:collapse; border:1px solid #e0e0e0;\">\n<caption style=\"caption-side:top; text-align:left; font-weight:600; padding:8px 0; color:#2d2d2d;\">AAC brick density (~627 kg\/m\u00b3) measured about one-third that of clay brick or fly-ash brick in a same-batch 2025 lab comparison.<\/caption>\n<thead>\n<tr style=\"background:#2d2d2d; color:#ffffff;\">\n<th scope=\"col\" style=\"padding:12px 16px; text-align:left; font-weight:600;\">Material<\/th>\n<th scope=\"col\" style=\"padding:12px 16px; text-align:left; font-weight:600;\">Dry Weight (230\u00d7110\u00d775mm unit)<\/th>\n<th scope=\"col\" style=\"padding:12px 16px; text-align:left; font-weight:600;\">Density (converted)<\/th>\n<th scope=\"col\" style=\"padding:12px 16px; text-align:left; font-weight:600;\">Weight vs AAC<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"border-bottom:1px solid #e0e0e0;\">\n<td style=\"padding:12px 16px;\">AAC brick<\/td>\n<td style=\"padding:12px 16px;\">1.19 kg<\/td>\n<td style=\"padding:12px 16px;\">~627 kg\/m\u00b3<\/td>\n<td style=\"padding:12px 16px;\">baseline<\/td>\n<\/tr>\n<tr style=\"background:#f5f5f5; border-bottom:1px solid #e0e0e0;\">\n<td style=\"padding:12px 16px;\">Clay brick<\/td>\n<td style=\"padding:12px 16px;\">3.67 kg<\/td>\n<td style=\"padding:12px 16px;\">~1,934 kg\/m\u00b3<\/td>\n<td style=\"padding:12px 16px;\">3.08\u00d7 heavier<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:12px 16px;\">Fly-ash brick<\/td>\n<td style=\"padding:12px 16px;\">3.85 kg<\/td>\n<td style=\"padding:12px 16px;\">~2,029 kg\/m\u00b3<\/td>\n<td style=\"padding:12px 16px;\">3.24\u00d7 heavier<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>This lone lab result matches what one would expect from commercial AAC -JK Cement specifies \u201ctypical\u201d AAC dry density as between 550-650 kg\/m\u00b3 &#8211; which includes our measured ~627 kg\/m\u00b3 nicely. Individual published ranges are wider (some suggest anywhere between 300-800 kg\/m\u00b3, some others 450-950 kg\/m\u00b3) &#8211; this is because different nations specify classes of AAC density &#8211; there are classes down to 350-450 kg\/m\u00b3 that are only meant for non-load-bearing partitions, and classes as high as 750-850 kg\/m\u00b3 intended for heavy load-bearing or fire-wall use. Conflicting density numbers from different suppliers likely mean that they&#8217;re comparing apples to oranges (different classes of AAC), not making errors &#8211; so instead of asking \u201cWhat\u2019s the density?\u201d, ask \u201cWhat class of AAC is it?\u201d<\/p>\n<p>AAC&#8217;s internal structure is the root of all the numbers that follow, and it explains the properties of AAC that drive the weight of concrete (or baked masonry) so far apart across these three materials. Blocks are lightweight precisely because that structure traps more air than mineral matter, and blocks are used at that reduced weight specifically in applications where structural dead load is the limiting factor. The implication of AAC&#8217;s low density is dead load.<\/p>\n<p>A wall made from AAC brick will represent about 1\/3 of the structural dead load of the identical wall constructed from clay or fly ash brick, which is the reason AAC has become so common as fill in earthquake regions and for upper story infill in mid-rise structures.<\/p>\n<div style=\"margin:24px 0; padding:16px 20px; background:#f5f5f5; border:1px solid #e0e0e0; border-radius:2px;\">\n<div style=\"display:flex; align-items:center; gap:8px; margin-bottom:8px;\">\n<span style=\"font-size:1.1em;\">\ud83d\udca1<\/span> <strong>Pro Tip<\/strong>\n<\/div>\n<p>  When comparing AAC density figures between suppliers, ask for the IS 2185 (Part 3) or ASTM C1386 density class explicitly. &#8220;550 kg\/m\u00b3&#8221; and &#8220;Class AAC 3 (450-550 kg\/m\u00b3)&#8221; may seem close but lie at opposite ends of a class that impacts both price and strength.\n<\/p><\/div>\n<h2 style=\"margin:48px 0 16px; padding-bottom:10px; border-bottom:2px solid #2d2d2d;\">Compressive Strength, Which Material Actually Carries More Load?<\/h2>\n<figure style=\"margin:28px 0; text-align:center;\"><img decoding=\"async\" src=\"https:\/\/taiguo-steamboiler.com\/wp-content\/uploads\/2026\/07\/aac-bricks-vs-clay-fly-ash-bricks-h2_03.png\" alt=\"Compressive Strength, Which Material Actually Carries More Load? \u2014 Taiguo Boiler\" width=\"1200\" height=\"800\" loading=\"lazy\" style=\"max-width:100%; height:auto; border-radius:8px;\" \/><\/figure>\n<p>In a 2025 controlled lab test, AAC brick measured 5.01 N\/mm\u00b2 compressive strength, meeting the IS 2185 Grade I minimum of 3.5 N\/mm\u00b2 but scoring lower than both clay brick and fly-ash brick tested in the same batch (cross-checked against <a href=\"https:\/\/nvlpubs.nist.gov\/nistpubs\/Legacy\/IR\/nbsir87-3670.pdf\" style=\"text-decoration:underline; text-underline-offset:3px; color:#2d2d2d;\" target=\"_blank\" rel=\"nofollow noopener\">NIST&#8217;s review of autoclaved aerated concrete products<\/a>). AAC&#8217;s strength is &#8220;enough,&#8221; not &#8220;best.&#8221;<\/p>\n<p>AAC marketing blurb and lab truth collide on compressive strength. in that 2025 lab trial cited above, the AAC brick scored a compressive strength of 5.01 N\/mm\u00b2, enough to easily satisfy the Indian Standard&#8217;s 3.5 N\/mm\u00b2 requirement for masonry brick (IS 1077) and prove it to be Grade I under IS 2185 (Part 3). But the researchers are very clear on what this comparison meant: &#8220;the strength of the aac block was lesser compared to other two varieties&#8221;. Meaning in that same test run, using the same rig, the clay brick and the fly ash brick both did better on simple compressive strength than the AAC brick.<\/p>\n<p>Which contradicts claims made on many a building-material website which insinuate AAC has higher compressive strength than clay brick. A more honest description would be that AAC&#8217;s strength is &#8216;enough&#8217; rather than &#8216;better&#8217;, and the key benefits of using it lie elsewhere (weight, insulation, installation time).<\/p>\n<p>Strength: One Caveat: For fly-ash brick, the Indian Standard IS 12894 categorizes 10 grades from 3.5 N\/mm\u00b2 to 30 N\/mm\u00b2, each based on average wet compressive strength. Thus, a single laboratory result &#8211; however care fully controlled &#8211; can&#8217;t represent \u201cfly-ash brick\u201d as a generic product category. Low-grade fly-ash brick may be very similar to AAC in terms of strength, whereas a top-grade, load-bearing fly-ash brick can be as much as six times stronger.<\/p>\n<p>Clay brick likewise varies from 3.5 to 10.5 N\/mm\u00b2, depending on firing, raw materials, and clay source. Any supplier stating a single strength figure for any of these three products without indicating the specific grade\/class should be treated as the starting point of an interrogation rather than the definitive answer.<\/p>\n<div style=\"margin:24px 0; padding:16px 20px; background:#f5f5f5; border:1px solid #e0e0e0; border-left:3px solid #2d2d2d;\">\n<strong>\ud83d\udcd0 Engineering Note \u2014 A Simplified Wall Capacity Comparison<\/strong><\/p>\n<p style=\"margin-top:8px;\">Take a 1-metre length of 200mm-thick wall (cross-section 1,000mm \u00d7 200mm = 200,000mm\u00b2). At AAC&#8217;s IS Grade I minimum of 3.5 N\/mm\u00b2, the characteristic axial capacity is 3.5 \u00d7 200,000 = 700,000 N (700 kN). Applying a typical masonry partial safety factor of about 3.5 per IS 1905 gives a safe working load near 200 kN per metre of wall. The same wall built in a mid-grade clay brick rated 7 N\/mm\u00b2 roughly doubles the characteristic capacity to ~1,400 kN, or about 400 kN\/m safe working load. In practice, typical low-rise infill and partition walls rarely carry more than 50-80 kN\/m, so AAC&#8217;s lower ceiling is still well above what most residential and light-commercial walls actually need. This is a simplified illustration, not a substitute for a structural engineer&#8217;s calculation on your specific project.<\/p>\n<\/div>\n<p>Why is lighter material <em>weaker<\/em>?<\/p>\n<p>At its core,AAC\u2019s strength is a direct consequence of the large numbers of microscopic voids which are responsible for its light weight but necessarily diminish the volume of solid material resisting the compressive load within the cross-section. Clay and fly-ash brick are far denser materials with minimal void content, so more material actually participates in carrying the load. Scientific research corroborates that the compressive strength of aerated concretes is indeed related to density, although this relationship isn&#8217;t perfectly linear and should be applied with care, as density is generally a predictor within a specific material family but not between disparate material types, which is why a simple comparison based on &#8220;X kg\/m\u00b3 means it must be X stronger\/weaker than Y&#8221; is invalid.<\/p>\n<h2 style=\"margin:48px 0 16px; padding-bottom:10px; border-bottom:2px solid #2d2d2d;\">Thermal Performance and Energy Efficiency<\/h2>\n<figure style=\"margin:28px 0; text-align:center;\"><img decoding=\"async\" src=\"https:\/\/taiguo-steamboiler.com\/wp-content\/uploads\/2026\/07\/aac-bricks-vs-clay-fly-ash-bricks-h2_04.png\" alt=\"Thermal Performance and Energy Efficiency \u2014 Taiguo Boiler\" width=\"1200\" height=\"800\" loading=\"lazy\" style=\"max-width:100%; height:auto; border-radius:8px;\" \/><\/figure>\n<p>Thermal insulation is where AAC brick delivers meaningfully better performance than either alternative, and it&#8217;s the same porosity that compromises the AAC\u2019s compressive strength. AAC brick has a thermal conductivity range from 0.10-0.24 W\/m\u00b7K compared to 0.7-1.0 W\/m\u00b7K for clay brick-that\u2019s about four to six times better than a comparable aac wall in terms of heat conduction through an equal thickness. Field tests confirm the thermal performance of AAC in practice. One reported installation of an 8-inch thick AAC wall in Florida demonstrated a total R-value of 11 that performed, the installing builder\u2019s engineer stated, better than a typical R-30 stud wall on account of the AAC\u2019s superior thermal mass (i.e., thermal mass has to do with how well the material stores heat, and AAC is slow to heat and slow to cool), which smoothes the temperature rise over the day rather than just fighting heat.<\/p>\n<p>Fly-ash brick is the least-well-documented material thermally, not because its thermal performance is poor, but because few standard thermal-conductivity figures for fly-ash brick are publicly published compared to those for the more thoroughly studied AAC and clay brick. Typical figures in the literature are in the range of 0.5-0.8 W\/m\u00b7K, between AAC and clay brick as would be expected given its intermediate density, but treat this range as tentative unless a specific test certificate for the material from your supplier is obtained.<\/p>\n<p>Getting the thermal spec wrong is a real risk on a -20\u00b0C cold-storage or pharmaceutical building with a 200mm wall: undersizing AAC&#8217;s insulation class can drive HVAC energy costs up by 15-20% annually, because the wrong density band simply won&#8217;t deliver the R-value a temperature-controlled facility needs. In practice, industrial buyers specifying this kind of application should confirm the exact 0.10-0.24 W\/m\u00b7K figure (see the same <a href=\"https:\/\/nvlpubs.nist.gov\/nistpubs\/Legacy\/IR\/nbsir87-3670.pdf\" style=\"text-decoration:underline; text-underline-offset:3px; color:#2d2d2d;\" target=\"_blank\" rel=\"nofollow noopener\">NIST AAC products review<\/a>) against their local climate zone in writing, not just accept a generic spec sheet. Taiguo engineers its ISO 9001 and ASME-certified autoclave systems around exactly this kind of density-class precision, having spent nearly 50 years of supplying thermal equipment to industrial buyers who cannot afford to get this wrong.<\/p>\n<p>Lightweight AAC construction pays off in energy-efficient building performance well beyond the exterior envelope. Reduced HVAC size and cost is the most practical advantage of AAC&#8217;s insulation. A tighter building with better thermal mass allows for a smaller HVAC system. In one documented installation of AAC construction, it was noted that the building maintained the indoor environment at a cooler temperature long enough for humidity to build up that the air-conditioning system, sized about a ton smaller than for a stud-wall home, couldn&#8217;t bring it back into equilibrium; a humidistat-controlled system was needed and it helped hold the home more consistently comfortable at a lower overall cost of ownership, although it also requires an HVAC design that takes into account AAC\u2019s thermal properties rather than just relying on rules of thumb based on conventional stud walls.<\/p>\n<h2 style=\"margin:48px 0 16px; padding-bottom:10px; border-bottom:2px solid #2d2d2d;\">Cost Comparison, Material Price vs Installed Wall Cost<\/h2>\n<figure style=\"margin:28px 0; text-align:center;\"><img decoding=\"async\" src=\"https:\/\/taiguo-steamboiler.com\/wp-content\/uploads\/2026\/07\/aac-bricks-vs-clay-fly-ash-bricks-h2_05.png\" alt=\"Cost Comparison, Material Price vs Installed Wall Cost \u2014 Taiguo Boiler\" width=\"1200\" height=\"800\" loading=\"lazy\" style=\"max-width:100%; height:auto; border-radius:8px;\" \/><\/figure>\n<p>AAC&#8217;s cost compared to traditional clay and fly-ash brick construction is perhaps the most critical factor in purchasing decisions, and comparing the cost per unit alone can be deceiving. In the 2025 study, the raw unit prices actually favored AAC already: a fly-ash brick was priced at \u20b914.00 per piece, clay brick at \u20b912.00, and AAC brick at just \u20b96.50 per piece (regional Indian pricing, cheapest of the three before considering anything else). When the researchers included labor and mortar to construct an entire room (a 3.6 m \u00d7 3.6 m area), the AAC building cost 29 percent less than the equivalent clay-brick building and 36 percent less than the fly-ash-brick building.<\/p>\n<p>Three things widen that discrepancy more than unit cost alone. First, AAC is made in a large format block &#8211; a standard block being 600mm &#8211; compared to about 230mm for a conventional clay \u201cbrick\u201d &#8211; so you\u2019re using many fewer units for the same area of wall to build. Second, AAC blocks are fixed with a thin bed, 2-3mm, polymer-based adhesive rather than a thick 10-12mm cement mortar bed which drastically reduces the volume of joint material used.<\/p>\n<p>And finally, and often the biggest part of the calculation, there\u2019s labor cost.AAC block is so much lighter and the blocks so large, that a mason can lay three to four times the area of wall per day with AAC blocks than they can with traditional brick, and installation time, as the project gets larger, saves money very rapidly and compounded.<\/p>\n<div style=\"margin:24px 0; padding:16px 20px; background:#f5f5f5; border:1px solid #e0e0e0; border-radius:2px;\">\n<div style=\"display:flex; align-items:center; gap:8px; margin-bottom:8px;\">\n<span style=\"font-size:1.1em;\">\u26a0\ufe0f<\/span> <strong>Important \u2014 the cost ratio, not the raw number, is what travels<\/strong>\n<\/div>\n<p>  The 29%\/36% percentages cited above represent one laboratory\u2019s cost model in a particular Indian regional market, so the actual figures in rupees are not comparable to your pricing. But the logic remains consistent region to region &#8211; lower unit counts, thinnner mortar, faster installation labour &#8211; this is why savings on AAC installed-walls tend to show up in most country-specific cost studies regardless of local material\/labour costs. Check out the current regional pricing in our <a href=\"https:\/\/taiguo-steamboiler.com\/blog\/aac-block-price\/\" style=\"text-decoration:underline; text-underline-offset:3px; color:#2d2d2d;\" target=\"_blank\">AAC block price guide by grade and region<\/a>.\n<\/div>\n<h2 style=\"margin:48px 0 16px; padding-bottom:10px; border-bottom:2px solid #2d2d2d;\">Sustainability and Embodied Carbon, Where Fly-Ash Brick Fits<\/h2>\n<figure style=\"margin:28px 0; text-align:center;\"><img decoding=\"async\" src=\"https:\/\/taiguo-steamboiler.com\/wp-content\/uploads\/2026\/07\/aac-bricks-vs-clay-fly-ash-bricks-h2_06.png\" alt=\"Sustainability and Embodied Carbon, Where Fly-Ash Brick Fits \u2014 Taiguo Boiler\" width=\"1200\" height=\"800\" loading=\"lazy\" style=\"max-width:100%; height:auto; border-radius:8px;\" \/><\/figure>\n<p>Overlooking this gap is a costly mistake for an industrial buyer chasing green-building credits on a 200mm-wall warehouse application: claiming a generic &#8220;eco-friendly&#8221; story without documenting the actual recycled-content percentage can cost a project up to 15% of its LEED or IGBC certification points, because certifiers require a specific fly-ash content figure, not a marketing label (the <a href=\"https:\/\/www.gminsights.com\/industry-analysis\/aac-autoclaved-aerated-concrete-blocks-market\" style=\"text-decoration:underline; text-underline-offset:3px; color:#2d2d2d;\" target=\"_blank\" rel=\"nofollow noopener\">global AAC market report<\/a> tracks this shift toward documented recycled content). Taiguo resolves an equivalent traceability problem on the equipment side: our ISO 9001 and ASME-certified autoclave systems are built around documented cycle data, precisely so an industrial buyer&#8217;s compliance paperwork holds up under a certifier&#8217;s audit rather than falling apart at the 12-month mark. Fly-ash brick&#8217;s chief sustainability argument is waste avoidance: it uses coal fly ash &#8211; fine powder left after burning coal for power &#8211; which otherwise must go to landfill or an ash pond &#8211; a significant waste burden when one considers the amount produced (around 35 million tons a year for brick and its fellow power plants in India). The other brick has just the opposite environmental impacts &#8211; direct fuel use (800-1,100C in kilns) and loss of fertile topsoil &#8211; and regulatory interest is growing about this \u201cresource depletion.\u201d<\/p>\n<p>This is where the earlier raw-material similarity plays out once again. As a typical commercial AAC use fly ash as a silica source rather than quartz sand, it\u2019s entirely plausible that a fly-ash-based aac block and a fly-ash brick could both use the identical waste-diversion narrative, with the only substantive difference between the two from an environmental standpoint being the autoclave-cure energy expenditure versus ambient or low-pressure fly ash brick curing. Steam curing for AAC requires considerable high-pressure heating over an 8-to-12 hour span and represents a significant energy cost compared with most straight fly-ash brick construction methods.<\/p>\n<p>There isn\u2019t a publicly established, normalized embodied-carbon value for either material that allows for a concrete CO per block calculation; that&#8217;s an absence in the research and not a result of laziness, so if a third party suggest a specific embodied-carbon value for either without presenting a referenced life-cycle analysis, then treat it with skepticism.<\/p>\n<p>Framed as an eco-friendly concrete product against conventional concrete and other traditional building materials, both AAC and fly-ash brick divert concrete waste that would otherwise reach a landfill and cut down on quarried aggregate use compared with ordinary construction materials, a real, non-marketing green advantage over dense, conventional concrete masonry.<\/p>\n<p>What&#8217;s well documented is the direction policy: green building certification programs are becoming more and more generous with credits to recycled-content materials like fly-ash based ones, and many governments now have fly-ash mandates requiring increasing percentages of power-plant fly ash to be incorporated into construction products, and less simply land-filled. That policy pressure favors fly-ash brick and fly-ash-derived AAC roughly evenly &#8211; it&#8217;s a tailwind for the overall &#8220;fly-ash based masonry&#8221; market, not a swing factor between brick and fly-ash based AAC.<\/p>\n<h2 style=\"margin:48px 0 16px; padding-bottom:10px; border-bottom:2px solid #2d2d2d;\">Where Each Material Performs Best, Climate, Load Type, and Application<\/h2>\n<figure style=\"margin:28px 0; text-align:center;\"><img decoding=\"async\" src=\"https:\/\/taiguo-steamboiler.com\/wp-content\/uploads\/2026\/07\/aac-bricks-vs-clay-fly-ash-bricks-h2_07.png\" alt=\"Where Each Material Performs Best, Climate, Load Type, and Application \u2014 Taiguo Boiler\" width=\"1200\" height=\"800\" loading=\"lazy\" style=\"max-width:100%; height:auto; border-radius:8px;\" \/><\/figure>\n<p>Extreme hot or cold climates are where AAC performs best, thanks to its insulating cellular structure. Clay brick suits most climates when paired with adequate wall insulation. Fly-ash brick likely performs similarly, but published climate-specific data for it remains limited compared to the other two (see real-world builder discussion of <a href=\"https:\/\/www.reddit.com\/r\/buildingscience\/comments\/1otln7a\/aerated_concrete_in_usa\/\" style=\"text-decoration:underline; text-underline-offset:3px; color:#2d2d2d;\" target=\"_blank\" rel=\"nofollow noopener\">aerated concrete performance in the field<\/a>).<\/p>\n<p>Extreme climates are where AAC brick genuinely shines: its cellular structure delivers strong thermal insulation whether conditions run hot or cold. Its maker advises use <em>across<\/em> all climates without additional insulation, a statement that has been tested on a case study of a coastal Florida home where AAC\u2019s thermal mass proved that it reduced air conditioning loads significantly even in a hot and humid climate, as can be evidenced by the provided case study data. Clay brick, whilst poorer at insulation on paper (0.7-1.0 W\/m\u00b7K compared to AAC at 0.10-0.24), benefits from the advantages of having excellent thermal mass and an exceptional long-term weathering record which ensures it&#8217;s a safe choice for all climates.<\/p>\n<p>Provided that wall construction accounts for the poorer insulation value and that it incorporates the necessary amount of additional insulation to meet building code, the Clay brick can be relied upon for most climates.<\/p>\n<p>Where Fly-ash brick truly is the honest gap is that there\u2019s clearly less climate specific, publically available performance data on fly-ash brick, than there&#8217;s for the two \u201creal\u201d bricks; nor do the main building material websites we examined for this article provide a specific hot or cold climate FAQ page for fly-ash brick in the way they do for AAC. That\u2019s not to say fly-ash brick perform poorly in unusual climatic extremes, rather it simply means there\u2019s less documented information available, and if you&#8217;re in a zone with unusual climatic extremes, it would be better to ask your supplier for locally derived, specific performance data rather than just relying on similarities in densities between the two materials.<\/p>\n<p>Within the building envelope the selection also influences day-to-day block construction and wall construction practice for the mason on site. Insulated concrete forms and other lightweight block systems compete for that same niche, but AAC blocks are light enough for one mason to install alone and easy to cut with a standard handsaw, no specialty gear required; screws and nails hold less securely than in dense masonry, a real consideration on AAC installations once trades people start chasing electrical and plumbing lines after construction, an operation more complicated to perform neatly with a denser clay and fly-ash brick. this workability combined with excellent heating and cooling performance is why AAC is the common standard when speed, and heating and cooling, rather than structural, take priority.<\/p>\n<p>AAC\u2019s performance also varies with installer skill and workmanship. This is the real world\u2019s most underappreciated spec-sheet caveat, and it applies to all three materials: onsite performance depends as much on quality workmanship as on inherent material capability. Engineers and contractors report that AAC needs breathable thin-bed mortar and a proper finishing plaster, an un-rendered, unfinished AAC wall in a humid climate will absorb water (its extreme water absorption runs 30-35 percent by weight when submerged) and underperform its rating despite the block\u2019s inherent compressive strength being sound. Similarly, a clay brick wall laid without careful jointing, or a fly-ash brick wall not closely monitored during installation, may fall short of its strength specification. When evaluating a finished wall, look at the quality of the workmanship, not just the material spec sheet.<\/p>\n<h2 style=\"margin:48px 0 16px; padding-bottom:10px; border-bottom:2px solid #2d2d2d;\">How Each Brick Is Made, Why the Autoclave Sets AAC&#8217;s Grade<\/h2>\n<figure style=\"margin:28px 0; text-align:center;\"><img decoding=\"async\" src=\"https:\/\/taiguo-steamboiler.com\/wp-content\/uploads\/2026\/07\/aac-bricks-vs-clay-fly-ash-bricks-h2_08.png\" alt=\"How Each Brick Is Made, Why the Autoclave Sets AAC's Grade \u2014 Taiguo Boiler\" width=\"1200\" height=\"800\" loading=\"lazy\" style=\"max-width:100%; height:auto; border-radius:8px;\" \/><\/figure>\n<p>Clay brick is fired at 800-1,100\u00b0C until the clay particles sinter into a ceramic bond. Fly-ash brick is pressed and cured under low heat for 7-14 days. AAC is batched, then cured in a high-pressure autoclave at 180-220\u00b0C for 8-12 hours, forming the tobermorite structure that gives it strength.<\/p>\n<p>Of the three process, clay brick production is by far the simplest. Raw clay is extracted, molded, and fired at 800 to 1,100\u00b0C (1,472 to 2,012\u00b0F), after which its strength is attained via the ceramic bond as the constituent clay particles sinter together. In the production of fly-ash brick, fly ash, lime, gypsum, and sometimes cement are mixed under pressure and then cured, usually in ambient or low-temperature (below AAC) steam conditions for 7 to 14 days. Neither clay or fly-ash brick requires the heavy investment in pressure equipment necessary to produce AAC.<\/p>\n<p>Producing AAC takes the most capital-intensive equipment of the three. Its autoclave stage is where a block&#8217;s true grade is actually determined, not the initial batch formulation. After being batched, pre-cured, and wire-cut, the raw blocks proceed to the autoclave, where they&#8217;re exposed to pressurized steam, at 180 to 220\u00b0C (356 to 428\u00b0F) and 8 to 12 bar of pressure, for a 8- to 12-hour dwell time. It&#8217;s during this time that lime and the fly ash or sand react to form tobermorite &#8211; a calcium silicate hydrate structure &#8211; the primary component that lends cured AAC its compressive strength and stability. Any deviation or shortened dwell time will result in a block that&#8217;s lighter and less strong than indicated by its density class, no matter how accurately the mix was batched.<\/p>\n<div style=\"margin:24px 0; padding:16px 20px; background:#f5f5f5; border:1px solid #e0e0e0; border-left:3px solid #2d2d2d;\">\n<strong>\ud83d\udcd0 Engineering Note<\/strong><\/p>\n<p style=\"margin-top:8px;\">Since AAC&#8217;s strength is formed solely in the autoclave, buyers evaluating an AAC supplier should ask for the batch&#8217;s actual cure temperature, pressure, and hold-time log, not just the finished block&#8217;s density and strength test result. A supplier that can&#8217;t produce autoclave cycle data for a given batch can&#8217;t fully verify why that batch met (or missed) its rated grade. As a manufacturer of the pressure vessels used to cure AAC, we build this cycle-data capability into our <a href=\"https:\/\/taiguo-steamboiler.com\/industrial-autoclave\/autoclave-for-aac-blocks\/\" style=\"text-decoration:underline; text-underline-offset:3px; color:#2d2d2d;\" target=\"_blank\">AAC block autoclaves<\/a> as a standard feature, since batch traceability is what separates a plant that ship consistent Grade I product from one that doesn&#8217;t.<\/p>\n<blockquote style=\"margin:24px 0; padding:16px 24px; border-left:3px solid #2d2d2d; background:#f5f5f5;\">\n<p>&#8220;Even a slight fluctuation in autoclave pressure or cycle duration shows up the next day in the compressive-strength test. We treat 8 hours as the bare minimum hold time for AAC&#8217;s cure cycle \u2014 go shorter and the tobermorite phase never fully forms, no matter what the mix design says.&#8221;<\/p>\n<footer style=\"margin-top:8px; color:#6b7280;\">\n    \u2014 <strong>Taiguo Boiler engineering team<\/strong>, autoclave commissioning notes<br \/>\n  <\/footer>\n<\/blockquote>\n<\/div>\n<h2 style=\"margin:48px 0 16px; padding-bottom:10px; border-bottom:2px solid #2d2d2d;\">Which Should You Choose? Decision Framework<\/h2>\n<figure style=\"margin:28px 0; text-align:center;\"><img decoding=\"async\" src=\"https:\/\/taiguo-steamboiler.com\/wp-content\/uploads\/2026\/07\/aac-bricks-vs-clay-fly-ash-bricks-h2_09.png\" alt=\"Which Should You Choose? Decision Framework \u2014 Taiguo Boiler\" width=\"1200\" height=\"800\" loading=\"lazy\" style=\"max-width:100%; height:auto; border-radius:8px;\" \/><\/figure>\n<p>No single material wins on density, strength, and cost at once. AAC leads on density, insulation, and often installed-wall cost. Clay and fly-ash brick lead on raw compressive strength, at roughly three times AAC&#8217;s dead load. Pick based on which two of the three properties your project actually needs &#8212; a conclusion the <a href=\"http:\/\/dx.doi.org\/10.17515\/resm2025-392me0811rs\" style=\"text-decoration:underline; text-underline-offset:3px; color:#2d2d2d;\" target=\"_blank\" rel=\"nofollow noopener\">2025 controlled comparison<\/a> supports directly.<\/p>\n<h3>The 3-Way Density-Strength-Cost Triangle<\/h3>\n<p>Choosing between these three options really boils down to what we call the Density-Strength-Cost Triangle. No single material wins on all three properties at once. AAC is king of density (which provides all of the insulation and speed advantages that come with it), and the 2025 study cited throughout this guide indicates it&#8217;s often king of installed-wall cost as well, but it achieves this by sacrificing some of the raw strength of clay or fly-ash brick. Clay and fly-ash brick trade the opposite direction &#8211; they&#8217;re stronger, and fly-ash brick offers a compelling environmental case for recycling industrial waste into a useful building product &#8211; at roughly three times the dead load of AAC, and a more labor-intensive installation. You can lead on two out of three &#8211; but not all three at once.<\/p>\n<div style=\"margin:24px 0; overflow-x:auto;\">\n<table style=\"width:100%; border-collapse:collapse; border:1px solid #e0e0e0;\">\n<caption style=\"caption-side:top; text-align:left; font-weight:600; padding:8px 0; color:#2d2d2d;\">Master material-type comparison: every property from this guide in one table.<\/caption>\n<thead>\n<tr style=\"background:#2d2d2d; color:#ffffff;\">\n<th scope=\"col\" style=\"padding:12px 16px; text-align:left; font-weight:600;\">Property<\/th>\n<th scope=\"col\" style=\"padding:12px 16px; text-align:left; font-weight:600;\">AAC Brick<\/th>\n<th scope=\"col\" style=\"padding:12px 16px; text-align:left; font-weight:600;\">Clay Brick<\/th>\n<th scope=\"col\" style=\"padding:12px 16px; text-align:left; font-weight:600;\">Fly-Ash Brick<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"border-bottom:1px solid #e0e0e0;\">\n<td style=\"padding:12px 16px;\">Dry density<\/td>\n<td style=\"padding:12px 16px;\">~627 kg\/m\u00b3<\/td>\n<td style=\"padding:12px 16px;\">~1,934 kg\/m\u00b3<\/td>\n<td style=\"padding:12px 16px;\">~2,029 kg\/m\u00b3<\/td>\n<\/tr>\n<tr style=\"background:#f5f5f5; border-bottom:1px solid #e0e0e0;\">\n<td style=\"padding:12px 16px;\">Compressive strength<\/td>\n<td style=\"padding:12px 16px;\">3.5-5.0 N\/mm\u00b2<\/td>\n<td style=\"padding:12px 16px;\">3.5-10.5 N\/mm\u00b2<\/td>\n<td style=\"padding:12px 16px;\">3.5-30 N\/mm\u00b2<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #e0e0e0;\">\n<td style=\"padding:12px 16px;\">Thermal conductivity<\/td>\n<td style=\"padding:12px 16px;\">0.10-0.24 W\/m\u00b7K<\/td>\n<td style=\"padding:12px 16px;\">0.7-1.0 W\/m\u00b7K<\/td>\n<td style=\"padding:12px 16px;\">~0.5-0.8 W\/m\u00b7K<\/td>\n<\/tr>\n<tr style=\"background:#f5f5f5; border-bottom:1px solid #e0e0e0;\">\n<td style=\"padding:12px 16px;\">Water absorption<\/td>\n<td style=\"padding:12px 16px;\">30-35% by weight<\/td>\n<td style=\"padding:12px 16px;\">Lower, varies by firing<\/td>\n<td style=\"padding:12px 16px;\">Moderate, varies by grade<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #e0e0e0;\">\n<td style=\"padding:12px 16px;\">Installed wall cost vs AAC<\/td>\n<td style=\"padding:12px 16px;\">Baseline<\/td>\n<td style=\"padding:12px 16px;\">+29%<\/td>\n<td style=\"padding:12px 16px;\">+36%<\/td>\n<\/tr>\n<tr style=\"background:#f5f5f5; border-bottom:1px solid #e0e0e0;\">\n<td style=\"padding:12px 16px;\">Standard unit size<\/td>\n<td style=\"padding:12px 16px;\">600\u00d7200\u00d7100-300mm<\/td>\n<td style=\"padding:12px 16px;\">230\u00d7110\u00d775mm<\/td>\n<td style=\"padding:12px 16px;\">230\u00d7110\u00d775mm<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #e0e0e0;\">\n<td style=\"padding:12px 16px;\">Cure method<\/td>\n<td style=\"padding:12px 16px;\">Autoclave, 180-220\u00b0C<\/td>\n<td style=\"padding:12px 16px;\">Kiln-fired, 800-1,100\u00b0C<\/td>\n<td style=\"padding:12px 16px;\">Air\/low-pressure, 7-14 days<\/td>\n<\/tr>\n<tr style=\"background:#f5f5f5; border-bottom:1px solid #e0e0e0;\">\n<td style=\"padding:12px 16px;\">Best-fit climate<\/td>\n<td style=\"padding:12px 16px;\">Extreme hot or cold<\/td>\n<td style=\"padding:12px 16px;\">Most climates with insulation<\/td>\n<td style=\"padding:12px 16px;\">Data-limited, ask supplier<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #e0e0e0;\">\n<td style=\"padding:12px 16px;\">Sustainability angle<\/td>\n<td style=\"padding:12px 16px;\">Lower embodied energy per m\u00b3<\/td>\n<td style=\"padding:12px 16px;\">Highest firing-energy use<\/td>\n<td style=\"padding:12px 16px;\">Diverts coal fly ash from landfill<\/td>\n<\/tr>\n<tr style=\"background:#f5f5f5;\">\n<td style=\"padding:12px 16px;\">Best-fit use case<\/td>\n<td style=\"padding:12px 16px;\">Speed + insulation priority<\/td>\n<td style=\"padding:12px 16px;\">Structural + weathering priority<\/td>\n<td style=\"padding:12px 16px;\">Load-bearing near coal plants<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div style=\"display:flex; flex-wrap:wrap; gap:16px; margin:24px 0;\">\n<div style=\"flex:1; min-width:280px; padding:20px; background:#f5f5f5; border:1px solid #e0e0e0; border-top:3px solid #2d2d2d;\">\n<strong style=\"display:block; margin-bottom:12px;\">\u2714 AAC Advantages<\/strong><\/p>\n<ul>\n<li>Roughly 1\/3rd the weight of its counterparts, cutting foundation and structural steel loads<\/li>\n<li>3-5\u00d7 faster wall installation per square meter<\/li>\n<li>4-hour fire rating and strong thermal insulation (0.10-0.24 W\/m\u00b7K)<\/li>\n<li>According to a 2025 study, AAC delivers a 29%-36% installed-wall cost saving when compared against its alternatives.<\/li>\n<li>Easily cut, drilled, and routed with hand tools<\/li>\n<\/ul>\n<\/div>\n<div style=\"flex:1; min-width:280px; padding:20px; background:#f5f5f5; border:1px solid #e0e0e0; border-top:3px solid #6b7280;\">\n<strong style=\"display:block; margin-bottom:12px;\">\u26a0 AAC Limitations<\/strong><\/p>\n<ul>\n<li>Compared to both its alternatives &#8211; fly-ash brick &amp; clay brick &#8211; its compressive strength, according to rigorous testing done in 2025, stood at 5.01 N\/mm\u00b2, while it was somewhat greater in both alternatives.<\/li>\n<li>High water absorption (30-35%) from its open cellular structure demands a breathable, properly installed exterior finish<\/li>\n<li>It needs thin-bed adhesive and specially trained masonries; you won&#8217;t get away with a cement mortar if you choose AAC.<\/li>\n<li>In dense brick, the nails and screws are better anchored. But with porous AAC blocks, they might not hold as well, so you might need anchors for heavier accessories or fixtures.<\/li>\n<li>Not recommended for below-grade or aggressive marine exposure<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<div style=\"margin:24px 0; overflow-x:auto;\">\n<table style=\"width:100%; border-collapse:collapse; border:1px solid #e0e0e0;\">\n<caption style=\"caption-side:top; text-align:left; font-weight:600; padding:8px 0; color:#2d2d2d;\">Match your priority to a material: no single choice wins on density, strength, and cost simultaneously.<\/caption>\n<thead>\n<tr style=\"background:#2d2d2d; color:#ffffff;\">\n<th scope=\"col\" style=\"padding:12px 16px; text-align:left; font-weight:600;\">If your priority is&#8230;<\/th>\n<th scope=\"col\" style=\"padding:12px 16px; text-align:left; font-weight:600;\">Choose<\/th>\n<th scope=\"col\" style=\"padding:12px 16px; text-align:left; font-weight:600;\">Because<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"border-bottom:1px solid #e0e0e0;\">\n<td style=\"padding:12px 16px;\">Minimizing dead load \/ seismic zone<\/td>\n<td style=\"padding:12px 16px;\">AAC brick<\/td>\n<td style=\"padding:12px 16px;\">~1\/3 the weight cuts foundation load and seismic inertia<\/td>\n<\/tr>\n<tr style=\"background:#f5f5f5; border-bottom:1px solid #e0e0e0;\">\n<td style=\"padding:12px 16px;\">Maximum single-unit compressive strength<\/td>\n<td style=\"padding:12px 16px;\">Fly-ash brick (high grade) or clay brick<\/td>\n<td style=\"padding:12px 16px;\">Fly-ash brick grades run up to 30 N\/mm\u00b2, well above AAC&#8217;s typical ceiling<\/td>\n<\/tr>\n<tr style=\"border-bottom:1px solid #e0e0e0;\">\n<td style=\"padding:12px 16px;\">Lowest total installed wall cost<\/td>\n<td style=\"padding:12px 16px;\">AAC brick<\/td>\n<td style=\"padding:12px 16px;\">Fewer units + thinner mortar + faster labor consistently outweighs unit price<\/td>\n<\/tr>\n<tr style=\"background:#f5f5f5; border-bottom:1px solid #e0e0e0;\">\n<td style=\"padding:12px 16px;\">Fastest, driest installation timeline<\/td>\n<td style=\"padding:12px 16px;\">AAC brick<\/td>\n<td style=\"padding:12px 16px;\">3-5\u00d7 faster laying speed shortens the construction schedule directly<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:12px 16px;\">Waste-diversion sustainability with maximum strength<\/td>\n<td style=\"padding:12px 16px;\">Fly-ash brick<\/td>\n<td style=\"padding:12px 16px;\">Diverts fly ash from disposal while keeping strength well above AAC&#8217;s range<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2 style=\"margin:48px 0 16px; padding-bottom:10px; border-bottom:2px solid #2d2d2d;\">Industry Outlook, What&#8217;s Changing in AAC and Fly-Ash Brick Demand<\/h2>\n<figure style=\"margin:28px 0; text-align:center;\"><img decoding=\"async\" src=\"https:\/\/taiguo-steamboiler.com\/wp-content\/uploads\/2026\/07\/aac-bricks-vs-clay-fly-ash-bricks-h2_10.png\" alt=\"Industry Outlook, What's Changing in AAC and Fly-Ash Brick Demand \u2014 Taiguo Boiler\" width=\"1200\" height=\"800\" loading=\"lazy\" style=\"max-width:100%; height:auto; border-radius:8px;\" \/><\/figure>\n<p>Getting the timing wrong here is a real risk and a common problem for an industrial buyer locking in a 5-10 year supply application: certification requirements can shift faster than a long-term contract anticipates, because green-building rating bodies revise their recycled-content thresholds on a schedule the market doesn&#8217;t control. Taiguo delivers ISO 9001 and ASME-certified equipment to 100+ countries and sees industrial buyers get caught by exactly this timing mismatch when a 200mm-wall project&#8217;s fly-ash sourcing plan outlives the <a href=\"https:\/\/www.gov.uk\/government\/publications\/reinforced-autoclaved-aerated-concrete-estates-guidance\" style=\"text-decoration:underline; text-underline-offset:3px; color:#2d2d2d;\" target=\"_blank\" rel=\"nofollow noopener\">standard it was written against<\/a>. In the upcoming 5 years, this equation is likely to change based on environmental policies rather than just cost effectiveness. For fly-ash based brick in regions heavily dependent on coal for power generation, regulations have increased, and there&#8217;s more incentive to divert waste ash from disposal ponds to use it in building materials. Green building initiatives such as LEED now also give a significant number of credits for using products made of recycled fly-ash which wasn&#8217;t a norm ten years ago. Hence for projects scheduled for the next 5 to 7 years, fly-ash-made items including fly-ash brick and fly-ash-sourced AAC will most probably enjoy credits as per the relevant environmental rating system.<\/p>\n<p>(For informational purposes only) Global AAC market size is estimated at 12 billion dollars, expected to grow at a 6.3% compound rate over the coming 10 years. The fly-ash based brick market has seen a compound growth rate of nearly 8.7% in the North America. But don&#8217;t base your choice of materials on market share and growth rates. Your choice depends more on which materials will get you a credit or meet your building code or standards. If you plan for a project using any of the Green building rating system like LEED, you would need to confirm with the certifier regarding the fly-ash contents of the chosen material and required certification. The guide lines on fly-ash content have a much faster revision rate compared to the growth of market.<\/p>\n<h2 style=\"margin:48px 0 16px; padding-bottom:10px; border-bottom:2px solid #2d2d2d;\">Frequently Asked Questions<\/h2>\n<div style=\"margin:16px 0;\">\n<h3 style=\"margin:0 0 4px;\">Q: Is AAC block better than brick?<\/h3>\n<details style=\"border:1px solid #e0e0e0;\">\n<summary style=\"padding:12px 20px; cursor:pointer; background:#f5f5f5; color:#6b7280;\">View Answer<\/summary>\n<div style=\"padding:12px 20px 16px;\">Depends on what is most important to you. AAC is approximately 1\/3 lighter than clay and fly-ash brick and in the end it is typically less costly than those when accounting for the cost of mortar and labor on the finished wall &#8211; this is why it is the predominant choice in seismically active areas and on rapid build projects. But in an actual 2025 laboratory comparison, the AAC&#8217;s compressive strength (5.01 N\/mm\u00b2) came in below both clay and fly-ash brick in that comparison, so if your number one priority is raw load-bearing capacity, a higher quality clay or fly-ash brick would be stronger on paper. There is no single &#8216;best&#8217; material, they have opposite strengths, weight, and build speed trade-offs.<\/div>\n<\/details>\n<\/div>\n<div style=\"margin:16px 0;\">\n<h3 style=\"margin:0 0 4px;\">Q: What are the disadvantages of AAC bricks?<\/h3>\n<details style=\"border:1px solid #e0e0e0;\">\n<summary style=\"padding:12px 20px; cursor:pointer; background:#f5f5f5; color:#6b7280;\">View Answer<\/summary>\n<div style=\"padding:12px 20px 16px;\">The disadvantages of AAC blocks trace back to its open-celled structure. It will not have the load-bearing capacity of clay or fly-ash brick and should be subject to engineering analysis before using in heavy load bearing applications. AAC has a higher water absorption rate than those materials (approx 30-35% by weight in submersion) and therefore it must be properly sealed with a vapor-permeable exterior finish. aac blocks also requires the use of thin-bed polymer adhesives and will not hold fasteners as securely as other types of masonry, which may necessitate the use of special AAC rated fasteners. aac blocks require installation with specialized AAC trades rather than with traditional clay brick trades, though not disqualifying reasons.<\/div>\n<\/details>\n<\/div>\n<div style=\"margin:16px 0;\">\n<h3 style=\"margin:0 0 4px;\">Q: Can AAC blocks be used in regions with extreme weather conditions?<\/h3>\n<details style=\"border:1px solid #e0e0e0;\">\n<summary style=\"padding:12px 20px; cursor:pointer; background:#f5f5f5; color:#6b7280;\">View Answer<\/summary>\n<div style=\"padding:12px 20px 16px;\">Yes. aac blocks&#8217; open cell structure provide a superior level of thermal resistance in both cold and hot climates. Field data in practice confirms these properties, including the instance of a 8-inch aac blocks installation in Florida that demonstrated an 8-inch wall that was performing comparably to, or better than, an R-30 conventional wood stud wall due to its greater thermal mass which acts to minimize day\/night temperature swings, as well as its heat flow resistance. aac blocks has demonstrated wind resistance properties exceeding 130 mph and specifications exist to increase wind load resistance with greater thickness of wall construction. The only concern related to aac blocks in terms of climate is moisture, not temperature; in humid and\/or wet environments, a well sealed and breathable finish material will be required to avoid the absorption of moisture.<\/div>\n<\/details>\n<\/div>\n<div style=\"margin:16px 0;\">\n<h3 style=\"margin:0 0 4px;\">Q: Does AAC brick need plaster?<\/h3>\n<details style=\"border:1px solid #e0e0e0;\">\n<summary style=\"padding:12px 20px; cursor:pointer; background:#f5f5f5; color:#6b7280;\">View Answer<\/summary>\n<div style=\"padding:12px 20px 16px;\">Practically, yes. AAC&#8217;s porous body absorbs water if left exposed, so a breathable render, stucco, or gypsum plaster finish is standard on both interior and exterior AAC walls. Use a finish system built for AAC&#8217;s movement and permeability, not a heavy cement-based render (per <a href=\"https:\/\/store.astm.org\/c1693-11r17.html\" style=\"text-decoration:underline; text-underline-offset:3px; color:#2d2d2d;\" target=\"_blank\" rel=\"nofollow noopener\">ASTM C1693<\/a> finish-system guidance).<\/div>\n<\/details>\n<\/div>\n<div style=\"margin:16px 0;\">\n<h3 style=\"margin:0 0 4px;\">Q: How do you test brick quality on site?<\/h3>\n<details style=\"border:1px solid #e0e0e0;\">\n<summary style=\"padding:12px 20px; cursor:pointer; background:#f5f5f5; color:#6b7280;\">View Answer<\/summary>\n<div style=\"padding:12px 20px 16px;\">Four simple field tests weed out most quality issues before a block hits the wall: A \u201cclap test\u201d-hit two units together and a high-pitched ring suggests good firing\/curing, while a dull thud means trouble; a \u201cdrop test\u201d-if you drop one from 4 feet high, it shouldn\u2019t crack or break; a visual check for cracks and squareness-edges should align with no surface cracks visible; and a \u201cwater-weight test\u201d-immerse one block; it should gain only about 15% by weight. With AAC brick, ask for the batch\u2019s autoclave cure cycle as well, because strength for that material is established by that process alone and isn\u2019t visible.<\/div>\n<\/details>\n<\/div>\n<div style=\"margin:16px 0;\">\n<h3 style=\"margin:0 0 4px;\">Q: What is the lifespan of AAC block vs clay brick vs fly-ash brick?<\/h3>\n<details style=\"border:1px solid #e0e0e0;\">\n<summary style=\"padding:12px 20px; cursor:pointer; background:#f5f5f5; color:#6b7280;\">View Answer<\/summary>\n<div style=\"padding:12px 20px 16px;\">Clay brick is the most historic of the three, and the only one that doesn&#8217;t degrade in chemical composition once fired \u2014 structures built centuries ago with it still stand. AAC is usually described with a lifespan close to 100 years when properly finished and kept dry. Fly-ash brick&#8217;s field experience is the shortest of the three, since it&#8217;s the newest to reach broad commercial use, though its dense, low-porosity structure suggests a lifespan similar to clay brick&#8217;s under normal conditions. Durability across all three turns out surprisingly comparable here, with construction technique and moisture control mattering far more than any inherent material property.<\/div>\n<\/details>\n<\/div>\n<h2 style=\"margin:48px 0 16px; padding-bottom:10px; border-bottom:2px solid #2d2d2d;\">Considering AAC for Your Next Project?<\/h2>\n<p>If you\u2019re choosing aac, clay, or fly-ash brick, remember the physical product is only half the story;AACgrade strength is set by the autoclave cure. Taiguo Boiler is a pressure-vessel manufacturer with nearly 50 years of expertise and more than 100 countries\u2019 worth of experience. We hold ISO 9001, ASME, and CE certification and can build an autoclave to meet whatever standards apply in your location.<\/p>\n<p><a href=\"https:\/\/taiguo-steamboiler.com\/#ct-popup-1774\" style=\"display:inline-block; padding:14px 32px; background:#D83030; color:#ffffff; font-weight:700; text-decoration:none;\" target=\"_blank\"><br \/>\n  Talk to Our Engineers About AAC Autoclave Sizing \u2192<br \/>\n<\/a><\/p>\n<div style=\"margin:48px 0 24px; padding:20px 24px; background:#f5f5f5; border:1px solid #e0e0e0;\">\n<h3 style=\"margin:0 0 12px;\">Why We Wrote This<\/h3>\n<p style=\"color:#6b7280; margin:0;\">Taiguo manufactures the autoclaves that cure AAC brick, so we read the density-strength-cost trade-off from the production side rather than the sales-brochure side. That perspective is why this guide leads with a controlled lab comparison showing AAC testing weaker than clay and fly-ash brick, a finding several competing buyer guides quietly omit, instead of repeating the shorthand claim that AAC is simply &#8220;stronger and cheaper.&#8221; Reviewed by the Taiguo Boiler technical team.<\/p>\n<\/div>\n<div style=\"margin:48px 0 24px; padding:24px; background:#f5f5f5; border:1px solid #e0e0e0; border-top:3px solid #2d2d2d;\">\n<h3 style=\"margin:0 0 16px;\">References &amp; Sources<\/h3>\n<ol style=\"padding-left:20px; color:#6b7280;\">\n<li style=\"padding:4px 0;\"><a href=\"http:\/\/dx.doi.org\/10.17515\/resm2025-392me0811rs\" style=\"text-decoration:underline; text-underline-offset:3px; color:#2d2d2d;\" target=\"_blank\" rel=\"nofollow noopener\">Physico-mechanical properties of autoclaved aerated concrete block as an alternative to traditional bricks<\/a>Paul, Dey &amp; Dhar, Research on Engineering Structures &amp; Materials, 2025<\/li>\n<li style=\"padding:4px 0;\"><a href=\"https:\/\/law.resource.org\/pub\/in\/bis\/S03\/is.2185.3.1984.pdf\" style=\"text-decoration:underline; text-underline-offset:3px; color:#2d2d2d;\" target=\"_blank\" rel=\"nofollow noopener\">IS 2185 (Part 3): Concrete Masonry Units, Autoclaved Cellular (Aerated) Concrete Blocks<\/a>Bureau of Indian Standards<\/li>\n<li style=\"padding:4px 0;\"><a href=\"https:\/\/www.bis.gov.in\/wp-content\/uploads\/2020\/07\/PM-IS-12894-JULY-2020.pdf\" style=\"text-decoration:underline; text-underline-offset:3px; color:#2d2d2d;\" target=\"_blank\" rel=\"nofollow noopener\">IS 12894: Pulverized Fuel Ash-Lime Bricks Specification<\/a>Bureau of Indian Standards<\/li>\n<li style=\"padding:4px 0;\"><a href=\"https:\/\/store.astm.org\/c1693-11r17.html\" style=\"text-decoration:underline; text-underline-offset:3px; color:#2d2d2d;\" target=\"_blank\" rel=\"nofollow noopener\">ASTM C1693: Standard Specification for Autoclaved Aerated Concrete (AAC)<\/a>ASTM International<\/li>\n<li style=\"padding:4px 0;\"><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S2214785320333691\" style=\"text-decoration:underline; text-underline-offset:3px; color:#2d2d2d;\" target=\"_blank\" rel=\"nofollow noopener\">Investigation of effects of corncob ash in fly ash bricks (IS 12894 compressive strength benchmark)<\/a>Materials Today: Proceedings, ScienceDirect<\/li>\n<li style=\"padding:4px 0;\"><a href=\"https:\/\/www.gov.uk\/government\/publications\/reinforced-autoclaved-aerated-concrete-estates-guidance\" style=\"text-decoration:underline; text-underline-offset:3px; color:#2d2d2d;\" target=\"_blank\" rel=\"nofollow noopener\">Reinforced Autoclaved Aerated Concrete (RAAC) Estates Guidance<\/a>UK Government<\/li>\n<li style=\"padding:4px 0;\"><a href=\"https:\/\/www.thisoldhouse.com\/masonry\/autoclaved-aerated-concrete-aac\" style=\"text-decoration:underline; text-underline-offset:3px; color:#2d2d2d;\" target=\"_blank\" rel=\"nofollow noopener\">Autoclaved Aerated Concrete (AAC): Field Case Studies<\/a>This Old House Magazine<\/li>\n<li style=\"padding:4px 0;\"><a href=\"https:\/\/www.gminsights.com\/industry-analysis\/aac-autoclaved-aerated-concrete-blocks-market\" style=\"text-decoration:underline; text-underline-offset:3px; color:#2d2d2d;\" target=\"_blank\" rel=\"nofollow noopener\">AAC (Autoclaved Aerated Concrete) Blocks Market Size<\/a>Global Market Insights<\/li>\n<\/ol>\n<\/div>\n<div style=\"margin:48px 0 24px; padding:24px; background:#f5f5f5; border:1px solid #e0e0e0;\">\n<h3 style=\"margin:0 0 16px;\">Related Articles<\/h3>\n<ul style=\"padding-left:20px; margin:0;\">\n<li><a href=\"https:\/\/taiguo-steamboiler.com\/blog\/aac-block-specifications\/\" style=\"text-decoration:underline; text-underline-offset:3px; color:#2d2d2d;\" target=\"_blank\">AAC Block Specifications, Sizes &amp; Grades, the full IS 2185 reference<\/a><\/li>\n<li><a href=\"https:\/\/taiguo-steamboiler.com\/blog\/aac-block-price\/\" style=\"text-decoration:underline; text-underline-offset:3px; color:#2d2d2d;\" target=\"_blank\">AAC Block Price Guide, cost per m\u00b3 by grade and region<\/a><\/li>\n<li><a href=\"https:\/\/taiguo-steamboiler.com\/blog\/aac-vs-traditional-concrete\/\" style=\"text-decoration:underline; text-underline-offset:3px; color:#2d2d2d;\" target=\"_blank\">AAC vs Traditional Concrete, strength, cost, and where each wins<\/a><\/li>\n<li><a href=\"https:\/\/taiguo-steamboiler.com\/blog\/aerated-autoclaved-concrete-block-manufacturing\/\" style=\"text-decoration:underline; text-underline-offset:3px; color:#2d2d2d;\" target=\"_blank\">Autoclaved Aerated Concrete Block: The Complete Manufacturing Process<\/a><\/li>\n<li><a href=\"https:\/\/taiguo-steamboiler.com\/blog\/lightweight-foundation-blocks\/\" style=\"text-decoration:underline; text-underline-offset:3px; color:#2d2d2d;\" target=\"_blank\">Lightweight Foundation Blocks: AAC and Cellular Concrete Specs<\/a><\/li>\n<li><a href=\"https:\/\/taiguo-steamboiler.com\/industrial-autoclave\/autoclave-for-aac-blocks\/\" style=\"text-decoration:underline; text-underline-offset:3px; color:#2d2d2d;\" target=\"_blank\">Industrial Autoclaves for AAC Block Production<\/a><\/li>\n<\/ul>\n<\/div>\n<\/div>\n<style>\r\n.lwrp.link-whisper-related-posts{\r\n            \r\n            margin-top: 40px;\nmargin-bottom: 30px;\r\n        }\r\n        .lwrp .lwrp-title{\r\n            \r\n            \r\n        }.lwrp .lwrp-description{\r\n            \r\n            \r\n\r\n        }\r\n        .lwrp .lwrp-list-container{\r\n        }\r\n        .lwrp .lwrp-list-multi-container{\r\n            display: flex;\r\n        }\r\n        .lwrp .lwrp-list-double{\r\n            width: 48%;\r\n        }\r\n        .lwrp .lwrp-list-triple{\r\n            width: 32%;\r\n        }\r\n        .lwrp .lwrp-list-row-container{\r\n            display: flex;\r\n            justify-content: space-between;\r\n        }\r\n        .lwrp 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<\/div>\r\n<\/div>","protected":false},"excerpt":{"rendered":"<p>AAC bricks are a lightweight, steam-cured masonry block made from cement, lime, sand or fly ash, and a foaming agent, cured in a high-pressure autoclave. They weigh up to three times less than clay bricks and fly-ash bricks, but that lightweight advantage doesn\u2019t automatically make for a stronger or cheaper wall. Anyone comparing autoclaved aerated [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":6193,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_gspb_post_css":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-6204","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-taiguo-blog"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":7}},"_links":{"self":[{"href":"https:\/\/taiguo-steamboiler.com\/pt\/wp-json\/wp\/v2\/posts\/6204","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/taiguo-steamboiler.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/taiguo-steamboiler.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/taiguo-steamboiler.com\/pt\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/taiguo-steamboiler.com\/pt\/wp-json\/wp\/v2\/comments?post=6204"}],"version-history":[{"count":0,"href":"https:\/\/taiguo-steamboiler.com\/pt\/wp-json\/wp\/v2\/posts\/6204\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/taiguo-steamboiler.com\/pt\/wp-json\/wp\/v2\/media\/6193"}],"wp:attachment":[{"href":"https:\/\/taiguo-steamboiler.com\/pt\/wp-json\/wp\/v2\/media?parent=6204"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/taiguo-steamboiler.com\/pt\/wp-json\/wp\/v2\/categories?post=6204"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/taiguo-steamboiler.com\/pt\/wp-json\/wp\/v2\/tags?post=6204"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}