The Flexi-Patch FP-36 flexible repair patch is ideal for repairing almost any surface. It cures quickly using only UV light from sunlight or a UV flashlight for a long lasting, permanent repair. It's a fiberglass-reinforced polyester ideal for use on PVC, plastics, metal, wood, concrete, and more. It s the easy way to permanently patch almost any surface. It dries hard for permanent repair. Can be drilled, tapped, and painted once dry.