Henry 4 in. x 150 ft. Black Glass Roof Patch Fabric

The Henry 4 in. x 150 ft. Black Glass Roof Patch Fabric is an asphalt-saturated woven fiberglass fabric designed for professional roof repair and waterproofing. Constructed with flexible, inert pure glass filaments, it provides superior tensile strength and durability to reinforce roof membranes. Engineered to resist heat, acid, rot, and decay, this open-mesh fabric conforms easily to contours and seals seams effectively on composition roofs and planters when applied with roofing cements and coatings.