TPO waterproofifing membrane has excellent weather resistance and hot air welding performance, high tensile  strength, high elongation, suitable for building exposed or non-exposed roof waterproofifing layer, especially for  light steel roofifing, can perfectly match the construction of photovoltaic roofifing. It is the preferred waterproofifing  material for roofs of large industrial plants, public buildings, photovoltaic integrated buildings, etc.