High Tensile Strength Waterproof Roofing Underlayment for Tile Roof and Exterior Wall

High Tensile Strength Waterproof Roofing Underlayment for Tile Roof and Exterior Wall. High Air Tightness: Reduces air leakage and heat loss, saving up to 40% on HVAC energy costs. High Water Tightness: Protects from water vapor and rain with thermal resistance equal to 43% of EPS board. Customizable Colors: Available in customizable colors to meet specific project requirements. Material Composition: Constructed from PE+PP for durability and effective waterproofing. Cost Reduction: Eliminates need for additional protective layers, reducing overall engineering costs. Micro Porous Technology: Uses micro holes to discharge vapor while blocking liquid water droplets. ISO Certified: Meets international quality standards with ISO certification.