Email: [email protected] About: DeepShield™ refers to a line of penetrating impregnating sealers designed to protect various porous surfaces such as natural stone, concrete, tiles, grout, and pavers. They are not specifically "roofing" in the sense of a primary roofing material, but rather a protective treatment. KeyWords: Penetrating Sealers, Surface Sealers, Penetrating Sealers: Hours:24 read full review »