Hainer  waterproof membrance are polyvinyl chloride plastic sheets for waterproofing with internally reinforcement fabric.

 

      Hot-air welding in the overlap area effectively provides seamless roof waterproof covering;

 

      User-friendly,quick and simple to install on either new roofs or aged roofs in any shape;

 

      Compliance with the German DIN standard and national GB 12952-2010 criterion;

 

      High resistance to tension,high dimension stability and superior physical properties;

 

      Super ability of UV resistance and weather endurance;

 

       Resistant to root penetration,etc.

 

      More than 25 years service life ( depended on the thickness of membrance and certain situation).