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卫生间聚氨酯防水步骤
更新时间： 2021-04-21 16:11:11  

第一步，使用水泥砂浆水泥砂浆或豆石混凝土铺平坡度。第二步，用管根密封膏封严管线，管线要穿透楼板根部。第三步，把墙壁表面打磨至干净平光没有颗粒灰尘，用聚氨酯防水涂膜由管根和墙角处开始进行涂抹。注意涂料总厚度大于1. 5毫米，不能有漏刮和鼓泡的不良现象。第四步，将涂膜半固化。抛甩粗砂粒，这样方便与水泥砂浆融合。第五步，检查防水层的设置是否合格。

关键词： 卫生间 聚氨酯 防水 步骤

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