Zinsser Watertite Etch and Cleaner is a sulfuric acid-based etching and cleaning solution. Ideal for removing tough, caked-on efflorescence and excess mortar build-up on concrete, stone, brick, tile and galvanized metal when mixed with warm water. It also provides a light surface etch to promote the coating penetration and adhesion over concrete and other masonry surfaces.
Zinsser WaterTite etch and cleaner prepares interior/exterior masonry and concrete for waterproofing and painting
Ideal for removing efflorescence and excess mortar build-up on tile, galvanized metal, stone, concrete and brick
Sulfamic acid-based solution is fast and effective, and safer than muriatic acid
Offers light etching to promote coating penetration and adhesion
Provides a clean surface ready for patching or coating
Allow to remain on surface 30 minutes
Rinse with clean water