The Flex Seal Liquid Rubber Sealant Black is a liquid rubber-sealed coating for waterproofing as well as leakproofing roofs and foundations. This liquid-applied asphalt coating is a blend of rubber and reinforcing fibres that help provide a durable, flexible waterproof seal. It ensures excellent adhesion to existing roofing, masonry surfaces, wood, foam board insulation, and metal surfaces.-Black-Size (7.13x7x24.8)