Sand Felt Roofing Underlayment Yap 500 Shingles Roof Underlayment Anti-Skid Bitumen Membrane

Sand Felt Roofing Underlayment Yap 500 Shingles Roof Underlayment Anti-Skid Bitumen Membrane. Anti-Skid Safety: Back side coated with antiskid sand to ensure safety during application. Damp Surface Application: Excellent vapor permeability allows construction on damp surfaces to avoid mold. High Tensile Strength: Strong tensile strength and elongation ensure close integration with the base. Customizable Dimensions: Length available in 25m, 30m or customized; Type includes Yap 500, Yap 700 or custom. Environmental Friendly: No smell, no taste, and accords with environmental protection requirements. Weather Resistance: Excellent resistance to weather, corrosion, anti-aging, and antioxidant properties. Easy Installation: Use adhesive tape on overlaps for sealing; convenient application with nails. Multi-Function Protection: Provides waterproofing, damp proofing, sound proofing, and breathable performance.