Highly recommended for sloped roofs, Epilay? Superior is 25 times stronger and 4 times lighter than 15# felt. Only 7 mil. thick, a 10 square roll weighs just 23 pounds. The 48″ width, 250 ft. run length, light weight, and exceptional tear strength all mean you can expect installation to be 30% faster than felt.
Components of this underlayment include Epilay? GripWalk?, a high-traction gray top layer providing cooler working surface and easy steep-slope walkability, even when moist. The anti-skid bottom surface, Epilay? Skid Resist?, is made with advanced polymers to keep the underlayment intact and prevent it from tearing during application.
Best for use under Asphalt shingles, Epilay? Superior does not wrinkle, crack or become stiff in cold temperatures, and it will not dry out or leach oil in high temperatures. It is water repellant, non-absorbent, and impervious to mold growth. This underlayment product has one-year UV protection and is backed by a 15-year limited warranty. Temperature performance range is -40° F to +240° F.