676783 Gardner-Gibson 4502-GA 6 x 50, Black Universal Patching Fabric Designed To Reinforce Asphalt Roof Patching, White Roof Patching, Stucco Masonry Patches Driveway Products While Repairing Cracks, Holes, Seams Joints. Cotton Based, Can Be Used With Both Solvent Water-Based Products, Durable Open Mesh Weave Assures Thorough Bonding Allows For Expansion Contraction, Use On: Roofs, Gutters, Chimneys, Copings, Drain Pipes, Foundation Walls, Flashings Around TV Aerials, Skylights, Ventilators All Roof Projections, .005 Thickness, Use Leather Gloves To Apply, Surface Should Be Clean Dry.