Does the kitchen and bathroom power supply need secondary leakage protection?

Why is it recommended that caisson toilets must be drained twice?

The "cement mortar" you are talking about should be to use the dry paste method to pave the floor tiles, so that the ground will be a few centimeters higher. If you want to make it a little lower, you can use the wet paste method to lay the floor tiles. It is directly mixed with cement and water to form a cement slurry, and then scraped on the back of the floor tile to bond with the ground.

The ground floor drain is a primary drain, and the underground floor drain is called secondary drainage. Because the toilet drainage is generally discharged through the floor drain, but there is also water that will seep directly into the caisson from the floor tiles, day after day, more and more water in the caisson, if the secondary drainage is done, the caisson can be successfully discharged. >>>More

You can use JS, polyurethane, Cao Yangbao, Jintang water does not leak, plugging king, South Korea Shuangxiong, the dry area is 300 high, the wet area and the adjacent wall of the bedroom study are also 1800 high, waterproof and do over the threshold, the root of the wall is rounded, the pipe is flanged, the water is removed after the 24-hour water storage test without leakage, and then a layer of mortar protective layer is made, and finally the wall and floor tiles are pasted. A stone base under the door cover is preferred.

As we all know, the decoration of the bathroom is very complicated, especially when the trace is carried out in the secondary transformation, many people like to knock off the original bathroom wall tiles of the Cong Bureau, lay new tiles, but then it is necessary to remake the waterproof project, if there is a quality problem, the water stains will flood to the next room, and the heavy will leak downstairs, causing serious losses, so what are the precautions for the secondary decoration of the bathroom? Let's take a look. >>>More