Weifang Zhengtai Waterproof Material Co., Ltd. was established in 2001 year with the registered capital of 1 billion , covering area of 60000 square meter .
In a perfect world, one roofing material would work on any roof in any climate. Unfortunately, APP-modified bitumen, like all roofing materials, isn’t a one-size-fits-all solution. If your roof doesn’t have a proper draining system, this roofing material can deteriorate quickly, as standing water wears down the material. In addition, APP-modified bitumen isn’t ideal for […]
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