TRUBUILD CPS 111 is a silicate-based integral waterproofing compound (Concrete Porosity Sealer) developed to reduce porosity and permeability in cement-based applications. It is designed to be added directly into concrete, mortar, and plaster mixes to improve water resistance from within the structure instead of creating only a surface barrier. This helps create denser, more cohesive concrete with improved durability and enhanced protection of embedded reinforcement steel against moisture-related corrosion. It complies with IS 2645:2003 requirements for integral waterproofing compounds.

The product works by reducing capillary pores in the cement matrix, allowing less water penetration while maintaining the original strength characteristics of concrete. Along with waterproofing performance, it improves fresh mix workability and assists in achieving a better finished surface.