Tonghua Brand modified TH hard foamed polyurethane waterproof & insulating system, which was developed by Yantai Tonghua Waterproof & Isolating Engineering Co. Ltd., is a new type of building compound materials. This Association has been checking and examining this product for many years in aspect of design and construction. It is shown that it has a remarkable performance of waterproofing, reliable quality, reasonable design and easy way of constructing, which has been used greatly in national key projects, such as the roofs of state grain reserves and the people’s great hall.

     This company has acquired a Waterproof & Insulating Construction Qualification Grade II, and it has passed the authentication of ISO 9002 for its quality system. It has also educated a team with professional skills and diligences.

The Association earnestly recommends this product and others of this company to Design Institutes and owners of construction projects. Meanwhile, the Association will help solving technical issues arising from applications and will provide related services as well.

China Building Waterproof Material Industry Association  7,1999