Flexible coating is designed to protect, resurface, and waterproof old damaged wood and concrete. Will fill 1/8 In. wide cracks. Unique formula provides long-lasting protection against moisture and the damaging effects of the sun. Designed to expand and contract along with the substrate while offering excellent scuff resistance for heavy duty foot traffic areas. Helps to reduce surface temperature by 20 degrees F. Lifetime warranty.WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.