Drylok Masonry Crack Filler R7738

Crack / Crevice Masonry Caulk Silicone 10.5 fluid ouncesDRYLOK masonry crack filler is formulated to seal and waterproof cracks in interior and exterior concrete walls, walkways, steps, driveways, garage and basement floors, and to replace cracked mortar joints. Dries to the color of concrete. Will not bleed. Reduces radon gas penetration. Fast easy clean up with water. Easy gunning with excellent adhesion, even to damp surfaces. May be painted over after one hour with latex paint.