介绍屋面防水施工选用的PV C防水卷材的性能，屋面坡度设计，砂浆找平层的处理，铺贴方法及各道工序的质量控制要。
This paper deals with features of water-proof PVC-roll-roofing used in roof construction, the methods of roofing slope designing, mortar float-coat and paving.
铺装时注意找平结合层砂浆反浆，如有污染砖面应马上用水清洗干净。
During the macadamize process, attention to the flatting combination layer reverse mortar, if there are some polluted tile, please use the water to clean at once.
垫层应先加以潮湿，铺一层厚2～3cm的水泥砂浆，涵管机然后于水泥砂浆凝聚前浇注第一层混凝土。
Mat layer shall first be wet, put a layer of thick 2 ~ 3 cm of cement mortar, he slipped end-over-end machine and then in cement mortar before the first layer of concrete pouring agglomerate.
垫层应先加以潮湿，铺一层厚2～3cm的水泥砂浆，涵管机然后于水泥砂浆凝聚前浇注第一层混凝土。
Mat layer shall first be wet, put a layer of thick 2 ~ 3 cm of cement mortar, he slipped end-over-end machine and then in cement mortar before the first layer of concrete pouring agglomerate.
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