Roof Underlayment Roll Synthetic, Roofing Paper, 48in x 250ft.

Key features

• Synthetic Roofing Underlayment: 48" x 250' (covers 1,000 sq ft) roll qualified with ASTM, waterproof vapor barrier materials alternative for roofing felt, tear/ UV/ wind resistance insulation paper for metal, shingle, tile roof, roof slopes of 2:12 (17%) or steeper.
• Vapor Barrier Underlayment: APX waterproof insulation is vapor permeable (0.12 perms per ASTM E96), accelerates moisture escape, keeps the roof structure dry, professional synthetic PP barrier for metal, shingle, tile roof in humid or coastal climates.
• Jobstie Convenience: APX non-woven membrane (ASTM D8257) is UV, wind, fire and 90 days exposure resistance , designed with cover area guide line and standard 1-inch nails fixing sign for easy and proper construction. Non slip, lightweight and easy to cut roof paper provides convenience and safety.
• Roofing Membrane: -RL85 underlayments meet ICC-ES AC188 standards, 4 layers consisting of non-woven polypropylene, scrim coated, better tensile strength and more energy efficient make it a perfect replacement for traditional #30 roofing felt, reinforced moisture resistance performance.
• NO Season Limit: HVHZ standard (FL47795), APX roofing underlayment can form an ice barrier in extreme weather conditions and withstand 90 days of UV exposure, meets ASTM E108 Class A fire resistance for construction anywhere any season. Contact us for 24/7 technical support.

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