一、总要求：
First, the total requirements:
1、以排为主，以防为辅。
1、mainly in order to prevent the supplement.
2、屋顶防水层须做在楼地面面层下面。
2、waterproof layer must be done in the floor below the floor surface.
3、卫间地面标高，应低于门外埠面标高，低漏标高则更低。
3、the ground elevation of the guardian, should be lower than the ground floor elevation, lower leakage elevation is lower.
二、 排水坡度要求：北京专业做屋顶防水
Two, drainage slope requirements: Beijing professional do waterproof
1、地面向地漏处排水坡度一样平常为2%.
1, the ground floor drain to drainage slope 2%.
2、低漏处排水坡度，以地漏边缘向外50mm，排水坡度为3-5%.
2、low drain drainage slope to drain edge outward 50mm drainage slope 3-5%.
3、地漏标高应根据门口至地漏的坡度确定，需要时设门槛。
3、 floor elevation shall be determined according to the gate to drain the slope, if necessary, set the threshold.
4、厨卫间如设有浴盆建网站费用，浴盆地面排水至地漏坡度为3-5%.
4、kitchen as a bathtub, bathtub floor drain to the floor drain slope 3-5%.
三、找平层要求：
Three, the leveling layer requirements:
1、10-20mm厚1：2.5水泥砂浆找平层，抹平压光，套管根部抹成“八”字角建网站多少钱，宽10mm、高15mm，阴阳角抹成小圆角，收头应光滑油滑。
1、10-20mm thick 1:2.5 cement mortar leveling layer, smooth light pressure, casing root put into "eight" angle, width 10mm, high 15mm, yin and yang angle put into small round, head should be smooth.
2、对高低不平部位或凹坑处，用1：2.5的水泥砂浆抹平。
2、the uneven parts or pits, with 1:2.5 cement mortar.
