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Autoclaved Aerated Concrete Blocks

Invented in 1920 by a Swedish scientist, Mr. John Axel Ericson, Autoclaved Aerated Concrete or AAC blocks, is a steam-cured cementitous product manufactured from a mix of pulverized fly ash, cement, lime, gypsum and an aeration agent, giving it its unique cellular lightweight internal structure. Its attributes like its light weight nature, excellent thermal insulation, acoustic properties and energy efficiency make AAC an intelligent building solutions system.

AAC blocks have been widely used in India as early as 1970. It also has wide usage in Europe, Middle East, South East Asia and China.

As a revolutionary precast building material, AAC blocks offer a unique combination of high durability and strength, low weight, unprecedented buildability and superior ecological green features and is fast replacing ordinary red clay and fly ash bricks. AAC blocks is the preferred choice for all building applications and is used for all kinds of walls, be it external or internal, non-load bearing walls etc.

UAL’s AAC block manufacturing unit has been set up at Bagnan in technical collaboration with HESS AAC Systems, Netherland, the pioneers in the world for AAC machinery.