An excellent clear waterproofing sealer when applied directly from can, for multi surfaces. Eliminates chipping and spalling. Contains no silicones, consists of several organic and inorganic solids that are carried beneath the surface by an aromatic solvent. Solids expand and literally cork-up pores of material being treated. Prevents water damage on decks, fences, brick, patios, concrete driveways, and other exterior surfaces. Covers depends on porosity.