This tape has a peel-off backing, when exposed, will stick to most any surface except silicone. MicroSealant Technology. White UV stable backing. Bonds to surfaces and stops leaks. Use on: 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. Seals roof tears, seams, flashings, copings, skylights, gutters, and much more. Can be applied in weather as cold as -20 degrees. Seals for an air, moisture and water-tight barrier. One step permanent leak repair tape. Dimensions: 4" width, 50' length. Made in USA. ROOFSEAL WHITE 4" X 50' BY ETERNABOND The types of roofs this adhesive seal can be used on include EPDM, TPO, hypalon, most PVC, modified, all metal and much more.The Eternabond roofseal is makes a tight seal on tears in the roof or seams, flashings, copings, skylights, gutters and many other repairs. It is perfect for repairs or to restore the roof on your motor home and RV. DO IT YOURSELF RV ROOF REPAIR If you're looking for an easy do it yourself way to repair your leaky roof, this tape would work perfect for you. This roofseal makes a permanent water-tight seal using adhesives with integrated primers and UV stable backing. This tape is made to withstand all weather and will flex, expand and contract in all conditions. BONDS TO ROOF SURFACE WITH MICROSEALANT TECHNOLOGY Before applying, the surface must be clean and dry, you can use the Eternaclean for an easy clean up. For application, install over the repair area, removing the protective liner as you go, to prevent the tape from getting