Are you looking for a product to protect, resurface and waterproof old, damaged wood and concrete? The unique formula of Superdeck's Deck & Dock Elastomeric Coating provides long-lasting protection against moisture and the damaging effects of the sun. It is designed to expand and contract along with the substrate while offering excellent scuff resistance for heavy duty foot traffic areas. Deck & Dock will lock down splinters and bridge dimensionally unstable cracks on old damaged wood surfaces. It can be used over existing exterior paint or stained surfaces and is formulated to resist growth of mildew and algae on the coating's surface.