
Pre-Applied HDPE High Polymer Self-Adhesive Waterproof Membrane for Underground Projects. Permanent Bonding: Forms a permanent organic bond with concrete, preventing moisture penetration. No Protective Layer Needed: Workers can walk directly on the membrane after construction for immediate next steps. Chemical Stability: Resistant to common acids, alkalis, salts, and organic solvents. High Strength: Features good elongation and resistance to deformation under stress. Customizable Length: Length available in 20 meters or customized to specific project needs. Versatile Applications: Suitable for basements, tunnels, subway sections, and mining excavated projects. Multiple Certifications: Certified with ASTM, CE, ISO, MSDS, ISO9000, ISO4000, and SGS. Fast Delivery: Lead time within 15 workdays for both peak and off-peak seasons.