Trimurti AAC Block Joining Mortar is a ready-to-mix, self-curing cementitious mortar for laying AAC, CLC, hollow and concrete blocks. It's a factory-made premixed mortar blended with carefully selected raw materials such as graded sand, mineral binders, and Ordinary Portland Cement (OPC) in combination with selected polymeric additives which help in providing mechanical bond and adhesion between the blocks and block to the surface.