: High-quality blocks should have a tolerance of approximately ±1.5 mm . Precise sizing allows for "thin-bed" mortar (gluing), which reduces material waste and speeds up assembly.

When buying aerated concrete blocks (also known as Autoclaved Aerated Concrete or ), focusing on specific technical specs and material quality ensures structural integrity and long-term savings. Key Features to Evaluate Before Purchase

: Most standard 200mm blocks offer a 4-hour fire rating and can withstand temperatures up to 1,200°C . Strategic Buying Considerations