ISO-TEK™ 8555

A clear, penetrating, breathable water repellent designed specifically for use on exterior above-grade concrete and masonry units, porous block, cinderblock, split-face block or brick masonry. Provides resistance against water, alkali attack, cracking, staining and damage caused by wind-driven rain and environmental elements. Penetrates into the substrate and chemically bonds to provide permanent protection thereby lengthening life expectancy and reducing maintenance costs