Waterproof any rip, tear, or open seam on any surface with Geocel Leak Repair Kit. Geocel is the best solution for leak repair. It is the choice of professional roof repair specialists, on virtually all roof types including Asphalt shingles, coated steel (Kynar 500®), fiberglass, concrete, steel, vinyl, slate, tile, all metals, even copper, wood, concrete, and other common building substrates. Geocel's specialized polymesh fabric and brushable tripolymer sealant has proven to be UV stable, even after years in full sunlight. The Gocel 3215-LRF has a built in primer which allows the sealant to bond with the surface it is installed on as well as Fibers for added strength. Perfect for re-seaming roofs, and creating a permanent water-tight seal. Geocel 2315-LRF Home Roof Repair Kit is a Fibered Brushable Elastic Sealant with rubber-like flexibility for small area uses. It is an ideal solution to stop roof leaks fast, even in damp or icy conditions. Comes with a 4" x 50' foot Roll of Polymesh Fabric that you can cut to length, a 2" Paint Brush, and 1 Quart of Brushable 2315-LRF Industrial Sealant.