DRYLOK 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. It dries to the color of concrete. It will not bleed. It reduces radon gas penetration. Fast easy clean up with water. Easy gunning with excellent adhesion, even to damp surfaces. It may be painted over after one hour with latex paint.

• Siliconized acrylic latex creates a flexible bond
• Seals and waterproofs cracks in concrete and masonry
• Replaces cracked mortar joints
• Excellent adhesion even to damp surfaces
• Reduces radon gas penetration
• Fills horizontal and vertical cracks