The present invention relates to a sandwich thermal-insulatingroof formed from three portions of cement rod, cement tile and cement strap.
该房顶由水泥棒、水泥瓦、水泥扒板三部分构成。这些只需一般的中小型水泥构件厂或个体专业户生产。
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Then controlling measures such as improving thermalinsulating course, strengthening the masonry rigidity of the parapet, setting the expansion joint on the roof sheathing, etc.