Used for rendered or tile-hung external wall constructions Aircrete offers the labour-saving benefits of fast build whilst being one of the cost-effective overall forms of construction using traditional skills. Easy to handle and quick to lay, Aircrete's superior thermal performance in most cases eliminates the need for expensive cavity insulation.

Because of their inherent insulation properties, exceptional thermal performance can be obtained when cavity or solid walls are specified using Aircrete blocks.

All Aircrete blocks are suitable for use in external walls when used in conjunction with render or an appropriate cladding system. Most can be directly rendered, but may need a simple render reinforcement when used in certain conditions.

Due to Aircrete's light weight characteristics, progress is rapid and less demanding than with denser materials. There is reduced compression of the mortar bed, so a greater number of courses can be constructed than with heavier types of masonry. This means that in its solid wall format, an extremely stable Aircrete wall construction can be completed in around half the normal time. One Aircrete block can cover the same area as up to twelve bricks yet, up to a thickness of 150mm, this is still just a one-hand lift.

Aircrete blocks are available in a range of strengths from 2.8N/mm² to 8.4N/mm² making them suitable for most applications.

As with all masonry, the design should be in accordance with BS5628. The use of traditional render on Aircrete should be done in accordance with BS5262:1991. For further information or advice on the use of Aircrete in external walls please refer to the Technical Design Services of member companies.

British Board of Agrément accredited Aircrete is resistant to moisture or rot, making its long-term performance reassuringly predictable. Its micro-cellular structure produces superior thermal properties, but also gives Aircrete the desired permeability to resist water or air and ensures it is fully frost resistant.

Blocks should be unloaded on to a dry, level surface and covered to protect them from inclement weather.

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