Rubber Flexx Liquid Rubber Coating is a tough synthetic rubber coating that is designed to seal and waterproof roofs, walls, gutters, interior and exterior foundations, and below grade applications. Creates a water, moisture and air barrier on whatever surface it is applied to. This extra tough finish will not peel or crack, and bonds to metal, masonry, wood, painted surfaces and most building products. The gray reflective finish stays cooler in hot weather and is excellent at weathering harsh weather conditions.Size: 1 GallonColor: GrayTough synthetic rubber coating that is designed to seal and waterproof roofs, walls, gutters, interior and exterior foundations, boats, tents, machinery and buildingsCreates a water, moisture and air barrier on whatever surface it is applied toExtra tough finish will not peel or crack, and bonds to metal, masonry, wood, painted surfaces and most building productsGray reflective finish stays cooler in hot weather and is excellent at weathering harsh weather conditionsFor interior or exterior use100-percent flexible seal.