Bonds to virtually any roof type The Eternabond Roof Seal Repair Tape is used to seal roof joints (seams) and tears, flashings, copings, skylights, gutters, etc. Perfect for repairing and restoring roofs on mobile homes and RVs. It seals to itself so it can be cut and folded around an object.For use on virtually all roofs, Eternabond Roof Seal Repair Tape features a UV stable backing. With the exception of surface prep, it's a one-step permanent repair system for virtually all roof types, and roof accessories. It creates a waterproof, moisture, and air tight barrier with no additional sealing required. Eternabond Roof Seal Repair Tape remains flexible to temperatures as low as -57°C making it virtually impossible to thermally shock the seam causing a leak.Eternabond Roof Seal Repair Tape bonds to a wide range of surfaces including difficult roof materials such as: EPDM, TPO, aged PVC, CSPE/Hypalon, CPE , SBS, APP modifieds, asphalt BURs, coal tar BURs, all metal roofs, tiles, shingle, aluminium, Galvanised steel, gypsum board, wood, polyethylene, propylene, polystyrene, fiberglass, brick, concrete, masonry, OSB, etc.Eternabond Roof Seal Repair Tape Specifications: Adhesion: 9 kilos Application Temperature: 66°C to -29°C ambient Colours: Black, Grey, White Elongation: >700% +/- 100 Low Temperature Flexibility: 12.7mm radius at -34.4°C Permanence: .001 perms maximum Pliability: No cracks in membrane Shelf Life: Up to 5 years Standard Case Quantity: 30.5 sq. meters per case Standard Roll Size: 5cm, 10cm, 15cm, 20cm, 30cm x 15.2m Temperature Flexibility Range: 57°C - >93.3°C Tensile Break PSI: 31 (kpa) Total Thickness: 0.9 mils Water Vapor Test: (ASTME 96B) .005 grms/24 Surface Preparation: Surface must be clean and dry. Moisture, dust, dirt, or other foreign matter should be removed. Remove oil and grease, etc. with EternaClean or a non residue cleaner such as acetone or lacquer thinner. Remove salt and other contaminants.