The size of the small hole in the secondary drainage of the toilet is better

You can temporarily block it and take it off after repairing!

Secondary drainage has now been gradually phased out, because the bathroom will have a sewer smell over time

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.

1. Open holes and install drainage pipes. We first need to make a hole in the main drain pipe in the bathroom, and then install the drain pipe. The mouth of the drainage pipe should be the same height as the original sunken layer waterproof layer, and the other end should be inserted into the main drainage pipeline, and the PVC glue should be used to bond firmly. >>>More