There is already a rigid waterproof mortar on the bathroom waterproof wall, including the need to ma

1. Inspect and accept the appearance, variety, specification, packaging, size and quantity of materials, and form corresponding acceptance records. >>>More

It is recommended to smash all the original reposts, although this is laborious and costly, but beautiful, safe and durable. I used to use marble glue to save effort, but it didn't take long for the tiles to fall down, and they would hit people, because the humidity of the bathroom was high, and it was easy to have problems after a long time, unless you don't want to use it for a long time.

The bathroom is waterproof at least meters high, and the shower room is the same.

The base layer of the wall and the ground is sanded, so it is recommended to use the professional Dawa wall closure and ground solidification to deal with it, and the wall solid and ground solid are polymer water-based curing agents. Polymer can penetrate into the cement wall, firmly block the loose particles of the cement wall, make the wall form a tight one, improve the adhesion of the wall, and avoid the wall moisture and alkali return. >>>More

No, equipotential is not what you use to connect to a ground wire, which means that an equipotential is not the same thing as a common ground wire.