For use on virtually all roofs, RoofSeal/OneStep features a UV stable backing that is available in Black, Gray, Tan and White. With the exception of surface prep, RoofSeal/OneStep is a one-step permanent repair system for virtually all roof types, and roof accessories. RoofSeal/OneStep creates a waterproof, moisture, and air tight barrier with no additional sealing required. RoofSeal/OneStep remains flexible to temperatures as low as -70 Degree Fahrenheit making it virtually impossible to thermally shock the seam causing a leak. RoofSeal/OneStep bonds to a wide range of surfaces including difficult roof materials such as EPDM, TPO, most PVC, CSPE/Hypalon, CPE, SBS, APP modifieds, asphalt BURs, coal tar BURs, all metal roofs, tiles, shingle, aluminum, galvanized steel, gypsum board, wood, polyethylene, propylene, polystyrene, fiberglass, brick, concrete, masonry, OSB, etc.Length: 50 FeetUsed To: Seal Roof Joints And Tears/ Flashings/ Copings/ Skylights And Gutters On Mobile Homes And RV RoofsWeight: 25.0000Width: 4 InchRoof Type: EPDM Rubber/ Thermoplastic Olefin/ Hypalon/ PVC/ Tile/ WoodType: SealingColor: WhiteMaterial: Synthetic Resin