Rust-Oleum, 4" x 50', White, Universal Patch Fabric. Stitchbonded 100% polyester fabric. Use for flashing, seam, crack, small hole and blister repairs and more. Compatible with acrylic, asphalt emulsion, asphalt and solvent base coatings as well as with common roof cements, sealants and mastics. Readily conforms to embedded gravel, irregular and smooth surface roof decks, offers high strength properties with good elongation for excellent thermal stress force accommodations.