Feltex™ is the best choice for sloped roof applications. It’s a high-strength, lightweight woven fabric used as an underlayment for both commercial, residential, and agricultural roofing applications. Specially engineered fabric construction contributes to its superior strength and durability, lightweight handling, wrinkle-free surface, and resistance to UV breakdown. It’s ideal for any roofing products such as fiberglass, asphalt, cedar shake, concrete tile, and of course metal roofing.