It is composed of quartz sand, calcined gypsum, lime, portland cement, water and aluminium powder. ShelterWorks is the exclusive manufacturer of Faswall®. Autoclaved aerated concrete ( AAC) is a lightweight, precast, cellular concrete building material, eco-friendly, 1 suitable for producing concrete-like blocks. was assignedthe proprietary Faswall® wood chip-cement ICF technology and its trademarks in its entirety. Currently, the purchase price of a regular 16 x 48 styrofoam ICF block is in the 24-28 range, depending on what region/country it is purchased in.

advanced the product with a patented mineralization process that allows virtually any wood or cellulose fiber to be bonded to cement. In 1987, Hans and Leni Walter of K-X Faswall International Corp. It has been available in North America for thirty years. This remains one of the preferred methods of building in Europe. Canadian contractor Werner Gregori filed the first patent for a foam concrete form in 1966 with a block 'measuring 16 inches high by 48 inches long with a tongue-and-groove interlock, metal ties, and a waffle-grid core. Since then, tens of thousands of homes, commercial buildings, and many other projects have been built in North America, Europe, and Asia with this remarkable green building system. This is the genesis of the Faswall® ICF Wall Form. The best insulation for concrete block walls is going to be either spray foam or injection foam insulation. After World War II, amidst the rubble and destruction, a way was discovered to take the huge volumes of wood waste, grind it into chips, mineralize the chips to neutralize the natural sugars that cause rot, and bond them to cement to form a building block.

Concrete foam blocks