一日,一场大雨刚过,某单位打来电话:“喂,……你们给我们厂新做的屋面漏雨了,看来你们使用的新型防水卷材不过关。”怎么会漏雨呢?我们感到吃惊,于是立即派员去现场查看屋面渗漏的原因。事情得从头说起:自1990年起,对屋面防水工程我们开始采用了“禹王牌”OEE-3新型防水卷材,这种卷材是由催氧化沥青、聚乙 On the first day, after a heavy rain had passed, a certain unit called: “Hey, ... you leaked the rain on the new roof of our factory. It seems that the new type of waterproof membrane you used is not closed.” What was the rain? We were surprised, so we immediately sent a member to the scene to see the cause of the roof leakage. We must start from the beginning: Since 1990, we have started to use the “Aowang brand” OEE-3 new waterproofing membrane for roofing waterproofing projects. The coiled material is made from oxidized asphalt and polyethylene.