Penetrates and Chemically Treats Concrete and Masonry
LJS Masonry Hardener is an aqueous blend of inorganic polymers and penetration additives. It is a ready to used right out the container on all concrete and masonry surfaces.
LJS Masonry Hardener is designed to be used prior to a repair as a treatment, such as patching,concrete placement plastering, painting, and waterproofing. It will aid with the bonding or penetration of other repair materials and LJS Masonry Sealer. Surface must be clean and dust free during application to prevent surface drying for best results.