第一：水电线槽用水泥砂浆填补好
First, the water and electricity trunking should be filled with cement mortar
第二：找平地面，确保地漏是最低点
Second: level the ground to ensure that the floor drain is the lowest point
第三：彻底清理干净地面的灰尘
Third: thoroughly clean up the dust on the ground
第四：新建墙体的阴角处和下水管旁用堵漏王包裹一圈，不能留死角
Fourth: the internal corner of the new wall and the side of the water pipe should be wrapped by the plugging king, and no dead corner should be left
第五：防水要做墙刚地柔，墙面刷刚性防水，刚性可以很好的封闭墙面起到防潮的效果，后期贴砖不容易掉。地面刷柔性防水，拉伸效果更好。防水流水槽钢模具 不锈钢铸件 扭王字块模具 井盖钢模具 标志桩模具 调匝式消弧线圈 风冷控制柜 烤漆龙骨一定要涂刷两遍。
Fifth: waterproof to do wall rigid and soft, rigid wall brush waterproof, rigid wall can be very good closed, play a moisture-proof effect, late tile is not easy to fall off. The ground brush is flexible and waterproof, and the stretching effect is better. Waterproof must be painted twice.
第六：门内侧要做防水坝，这个有效隔绝瓷砖下的灰层水汽外流，避免水溢出到门外，
Sixth, a waterproof dam should be built inside the door to effectively block the water vapor outflow from the ash layer under the ceramic tiles and prevent the water from overflowing outside the door,
第七：卫生间门口外侧也要刷上防水，至少30公分，过门石铺贴时侧边也要做好防水
Seventh: the outside of the bathroom door should also be painted with waterproof, at least 30 cm, and the side should also be waterproof when the door stone is paved