DEHCO Heng'S 16-46128-4 Coating Rubber Roof Gal, 128. Fluid_Ounces Use over RV rubber roofs, at seams and tears, and to seal vents, air conditioners, etc Has outstanding exterior durability and high adhesion to rubber Expands and contracts with roof Resists cracking and withstands impact UV resistant, non-polluting and non-toxic, White