An additive to Damtite Powder Waterproofers and other cement-based, powder mixes. Bonds new masonry materials to old. Will assure adhesion of the Damtite powder coatings to previously painted surfaces, floors, and non-porous surfaces. Equivalent to liquid portion in Damtite SuperPatch. Prevents separations, cracking and increases flexural strength. For use with cement or plaster based mixes on both exterior and interior projects.