E-Crete AAC

Autoclaved Aerated Concrete (AAC) is a lightweight, high strength building
block used in a variety of applications for commercial, industrial, and
residential construction. AAC is manufactured from lime, sand or mine
tailings, cement, gypsum, aeration agent and water to produce pre-cast blocks
and panels. AAC has excellent thermal and acoustic insulation properties, is fire
and pest resistant, and environmentally superior to more traditional building
materials. AAC is a viable and economical alternative to conventional building
materials such as wood, concrete, and steel.

AAC was originally invented by architect Johan Axel Ericksson and was
patented in 1924. AAC has been used extensively throughout Europe, Far and
Middle East, Australia, and South America.

AAC was specifically designed for load-bearing applications such as wall
and lintel construction. AAC is also a superior building block in non-load
bearing applications such as sound and fire walls.

The following pages describe the manufacturing of AAC, the benefits of using
it for masonry walls, the physical properties, construction details and guide
specifications.