Interior Masonry Dustproofer - Ready-to-use, Matte Finish, Breathable Sealer Prevents dusting from Brick, Mortar, Natural Stone - Trusted by Professionals - (1-Gallon)

Dries to a clear, matte finish and preserves the masonry's natural breathable qualities. It seals in dust and prevents additional masonry dust from forming. Treated surfaces breathe and do not trap moisture. Coverage rates vary depending on the surface porosity and texture. For porous, textured surfaces, the coverage rate is approximately 175 square feet per gallon. For semi-porous surfaces, it is approximately 550 square feet per gallon. For dense, smooth surfaces, it is approximately 1,150 square feet per gallon. These are estimates. Test a small area of your wall to determine the actual coverage rate for your surface. This product is SCS Indoor Advantage Gold certified. It has low odor and VOC levels compliant with all national, state, and district regulations