
Black Asphalt/Bitumen Roofing Felt and Waterproof Building Paper for Roof. High Tear Strength: Ensures durability under roofing stress and reduces replacement costs. Waterproof & Breathable: Blocks water ingress while allowing restricted vapor escape for roof integrity. ASTM Standard Quality: Meets ASTM D-4869 15# standards with min 380g/m2 saturated felt weight. Flexible Underlayment: Impervious to water penetration but allows vapor passage, preventing condensation. OEM/ODM Customization: Professional manufacturer offering full and flexible customization options. High Asphalt Saturation: Heavy organic mat fully saturated with waterproofing asphalt for superior protection. Versatile Application: Suitable for pitched roofs, wood shakes, tiles, and as temporary or permanent cover. Stable Performance: Preconditioned to lay flat and remain stable after installation on roof deck.