Siporex AAC Blocks (Autoclaved Aerated Concrete) can Be Used In External and also Internal Walls They are fabricated according to IS 2185 – 1984 and Masonry is done according to IS 1905-1987. There Work-capacity is better then Wood. It is a lightweight in natured, precast building material that simultaneously provides structure, insulation, and fire and mold resistance. Siporex can be delivered in Bengaluru and all parts of Karnataka. Siporex AAC Blocks are ISI certified with high quality manufacturing processes. The blocks have been used by prominent builders and institutions with high reliability. Siporex AAC blocks and panels are manufactured using fly ash mixed with cement, lime, water and an aerating agent. The resultant building material, comprising millions of tiny air pores, is set and cut into blocks and panels of varying sizes.