Shanghai Hainer Roofing System Co., Ltd. (short for Hainer) is a Sino-German cooperative enterprise specializing in roof waterproofing systems, heat insulation systems, green roof systems and accessories. That is so-called roofing system company (or Roofer) in Europe and America.

Hainer Roofing system is an integrated roofing system composed of flexible PVC/TPO (or imported EVALON) waterproofing membrane, heat insulation boards, vapor barrier layers as well as accessories. This system can be widely laid on various substrates such as steel decks, concrete decks, wood decks, etc. Especially for the steel roof, it can perfectly solve the recognized problems such as water leakage, water condensation due to temperature difference, noise from rain strike, and curved surface which is difficult to deal with and which puzzles the steel roofer for rather a long time. We are proud that such roofing system represents the roofing development tendency nowadays in the world.

Hainer has established our production base with advanced production lines separately in Shanghai with an annual output of 10 million square meters of modified PVC/TPO waterproofing membrane. Hainer PVC/TPO waterproofing membrane is manufactured under German technology and procedure. Technical data meets the DIN and GB12952 requirements.

In addition, as the partner of German ultimate roofing system manufacturer, Alwitra GmbH&CO., Hainer also provides EVALON products from Alwitra Germany. The core component of Alwitra system, EVALON waterproofing membrane has all the superiorities of PVC base membrane. Furthermore, it overcomes the defects of PVC base waterproofing materials being incompatible with asphalt and most of chemical building materials such as EPS and XPS heat insulation boards. It is endowed with metal-like surface, and has more than 40 years' lifetime in particular.

Hainer has inherited professional experiences from Alwitra for nearly half a century. Besides membrane and accessories, Hainer also supplies a package of services such as detailed CAD Drawing, Wind Loading Calculation, Installation, etc.

Our installation crew is strictly trained by German technical experts. Under their skillful work, millions of square meters of flat roofs of domestic and foreign customers have been successfully covered with Hainer roofing sheets till now.

We undertake various types of roofing systems including commercial and industrial roofs, garden roofs, tennis court roofs, parking lot roofs, solar power-generating roofs, etc.

Whether for new building or refurbishment, we guarantee 10 to 20 years' warranty period. Nowadays Hainer roofing systems are enthusiastically welcomed not only by European, American and Japanese customers (e.g. German, French, American, Canadian, Thai, Japanese, etc.), but also by more domestic clients.

Hainer, the flexible roofing system forthgoer of China!