Tarco LeakBarrier 3 Ft. x 65 Ft. Self-Adhering Ice & Water Armor Roofing Underlayment

3 Ft. x 65 Ft. MS-300 Ice & Water Armor, 2 Square Roll, Self-Adhering Mat. Modified bituminous roofing underlayment glass fiber reinforced for use under tile, slate, and asphalt shingles. Mineral granules on surface to enhance skid-resistant properties. Valley liner or eave and rake guard against ice damming or wind-driven rains that could cause leaking.