EternaBond 12" x 12" White Mobile Home RV Repair Tape - Repair Patch ETERNABOND is the only MicroSealant in a tape form available that will stop virtually any leak or water proof any surface in minutes. 12" x 12" Eternabond Patch (Picture Shows a Full 50 ft Roll - THIS IS ONLY FOR A 12" x 12" PIECE) 1 sq ft patches are cut from new master rolls as Eternabond does not offer this length Seal any rip, tear, or open seam in any surface with RoofSeal. RoofSeal is the best solution for leak repair. It is the choice of professional roof repair specialists, on virtually all roof types including EPDM, TPO, hypalon, most PVC, modified, all metals, even copper and Kynar coated metals, tile, wood, concrete, etc. RoofSeal even works great on land-fill and pond liners. Perfect for re-seaming all roofs, regardless of the material. RoofSeal makes a permanent water-tight seal.