Paper Title
Critical Review on Types of Bricks Type 3: AAC Block

Abstract
AAC stands for Autoclaved Aerated Concrete. (also known as autoclaved cellular concrete (ACC), autoclaved lightweight concrete (ALC), autoclaved concrete, cellular concrete, porous concrete)It is an ultra-light concrete masonry product having good number of advantages in practicality. This paper deals with manufacturing process, materials and methods used along with the testing of blocks Keywords - AAC block, manufacturing process, history, advantages