
Low Price Waterproof Membrane for External Walls Sbs Modified Bitumen Roofing Felt. Versatile Application: Suitable for roofs, basements, subways, cold storage, airports, and bridges. High Tensile Strength: Features 450N/50mm strength with 30% elongation for unstable structures. Superior Weather Resistance: Anti-aging, anti-acid, and anti-alkali properties with -20 degree flexibility. Customizable Surface: Available with PE film, aluminum foil, mineral granule, or sand finishes. Flexible Thickness Options: Thickness ranges from 2mm to 5mm to meet various engineering needs. Full Customization Support: Offers full customization, minor customization, and design-based options. Efficient Installation: Designed for easy application using a heating torch method. Reliable Quality Control: Manufactured with strict scientific quality control and random inspection.