SIPA 100 GSM Synthetic Waterproof Roof Underlayment 48” x 250′ (1)

Price: $78.99
(as of Sep 10, 2025 19:37:41 UTC – Details)

SIPA Synthetic Roofing Underlayment 100 GSM is a lightweight synthetic roof underayment designed to enhance the life of a roof system through superior water resistance and UV protection Coil layer is waterproof layer and anti-aging layer, fluctuation two sides is to enhance blinding layer, firm, and reliable, does not have become warped edge, no empty drum, double waterproof, is a new type of waterproof materials. Benefits of 100 GSM Unique Non-Woven Top Surface Fabric Allows For Enhanced Traction Water Resistant Performance Characteristics Exceed ASTM D4533 & D226
covers 1,000 square feet, 100GSM
Performance characteristics exceed – ASTM D4869, ASTM D226, TDI Listed CCRR #AC207, FBC Approved #FL17188
Ultraviolet Exposure for 60 days.
Ideal for for sloped Commercial and residential roofs and roofing applications under asphalt shingles or metal cladding
Won’t buckle, warp, or crack , Water resistant