Designed for any style of roof
60 day UV exposure
Water, mold and rot resistant
Covers 10 square per roll
Lays flatter with less air pockets than traditional felt
Slip-resistant polymer applied to the bottom surface for walking
Meets ASTM D6757, Inorganic Shingle Underlayment Standard / Florida Building Code Approved - FL 16226
Performance Characteristics Exceed ASTM D4869 & D226