Heavy Duty Synthetic Roof Underlayment Roll 48 Inches Wide Delivers 1000 Sq Ft Of Pro Level Shielding For Sloped Residential And Commercial Shingle Projects Featuring A Tight Wrap That Guarantees No Sweat Waterproofing Results

Synthetic Roof Roll Covers 1,000 Sq Ft With Strong Water Barrier
✔️ 48 inch wide 100 GSM membrane satisfies ASTM rules and handles 60 day UV

This gray synthetic roofing underlayment provides a reliable moisture barrier for sloped residential and commercial roofs. Measuring 48 inches wide, the 100 GSM material delivers 1,000 square feet of coverage per roll. It features a non-woven top fabric for secure footing and exceeds ASTM requirements for durability. Ideal for installation beneath asphalt shingles or metal cladding, this membrane offers 60-day UV resistance and resists warping or buckling.

• 100 GSM lightweight synthetic construction
• Wide 48-inch coils simplify roof installation
• Non-woven top surface enhances worker traction
• Resistant to cracking, warping, and moisture
• TDI Listed CCRR AC207 and FBC Approved FL17188
• Exceeds ASTM D4869 and ASTM D226 performance
• UV stability rated for up to 60 days exposure
• Dual waterproof coil layers extend roof life

💡 How does a wide synthetic underlayment improve roof performance during shingle installation?
SIPA underlayment adds strength and water defense to your roof project.

• Broader 48-inch width reduces overlapping seams and speeds up nailing progress and makes for a handy solution on large roofs.
• The non-woven grip surface helps workers stay safe while applying asphalt shingles.
• Double-layer design shields decks from rain before shingles go on during windy days.

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