Colorfast Tile & Grout Caulk is easy to use, it comes color-matched and texture-matched for that perfect look around tubs, showers, counter top backsplashes, doors/windows and many other uses. Easy cold water cleanup with just a damp sponge. Colorfast's formula is non-slump, so it's simple to use on vertical installations. When fully cured, Colorfast Tile & Grout Caulk offers superior water and UV resistance and meets ASTM C-834.