DRYLOK Masonry Crack Filler seals and waterproofs cracks in concrete sidewalks, walls, steps, and floors. Use it to replace cracked mortar joints. This product dries to color of concrete, is non-flammable and will not bleed. It may be painted over immediately with latex paint and offers fast, easy cleanup with soap and water.
Seals and waterproofs cracks in walls, sidewalks, steps and floors