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Tul - The fixing technique for aircrete blocks is different to that required for aggregate blocks. nevertheless a sound fixing can be obtained using ordinary plas plug type fixings. Use a wood bit in the drill for the pilot hole, not a masonry bit. They are just not needed for aircrete. Any...

aa44 Masonry product of all types have different suction rates, from engineering bricks which are technically waterproof. to aggregate blocks, which are deemed moderate suction products, to aircrete blocks which are deemed moderate to high suction backgrounds. Simple tests can be carried out on...

Hi aa44 - The conductivity value of an aircrete block will be much lower than the conductivity value of an aggregate bock. Therefore at the interface between the two material types, there will be a significantly different response to internal temperature changes. Not so much of a problem if you...

The tensile strength of a block is not its most important characteristic, since blocks are normally intended to be loaded in compression. The tensile strength of any block is only 20% of its compressive strength so I don't believe that the way a block breaks over someones head, has any...

Aircrete blocks are regarded as being water resistant but not water proof. They have a low air permeability rate, therefore if air cannot get through them easily, neither will water/ They actually float for weeks when placed on water , but will eventually take on enough to sink, if kept there...

Hi all. With regard to strength, a 3.6 N/mm2 (or any strength block) would be that strength, regardless of what it was made from, e.g aircrete, medium dense or dense aggregate. Arguably an aircrete 3.6 N/mm2 block is going to be stronger than a 3.6 N/mm2 aggregate block, because less of its...