Custom Building Products TILELab Gallon Grout & Tile Sealer MasterSeal Key from exterior and turn

Key from exterior and turn button from interior will lock or unlock exterior knob

Compatible with all siding profiles

fading and mildew resistant

Non-Corrosive Cleaner and Degreaser

Custom Building Products TILELab Gallon Grout & Tile Sealer MasterSeal Key from exterior and turnEconomical easy to apply, penetrating sealer that resists most common oil based and water based stains. Unlike other sealers, it will not leave a difficult to remove residue on the surface. Low odor, water based formula. Seals Saltillo, terra cotta, quarry, and some porcelain tile, grout, brick, concrete, masonry, and natural stone. Interior and exterior use.