AWIC AAC BLOCK FIX IS a pre-mixed cementitious powder adhesive composed of Portland cement, hydraulic binders, bonding agents, silica sand and special adhesives. It is formulate as a crack free, superior, flexible, high bonding adhesive for AAC Blocks. It can also be used to fix Concrete, Cement blocks, Siporex Blocks and clay bricks to prevent clay absorption of water for adhesive mix. It is a masonry mortar for use in laying bricks, block.