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.