Alpha ProTech Techno SB50 48 In. x 250 Ft. Synthetic Roof Underlayment

Non-woven walking surface with our AQUA TRAK System Slip resistant back surface for added installation safety Light Gray Color Walking Surface keeps roof cooler during shingle installation UV resistant and can be left exposed for up to 6 months Material Woven Synthetic Color Gray Size 48 In. x 250 Ft.