How many years can the bathroom be waterproofed once

This waterproofing is mainly about the material and technology.

No matter how good the material is. It is also a waste in the hands of people who are not technically up to standard.

No matter how good the technology is. It won't work without good materials.

Generally, it is conservatively estimated to be 10 years.

But fair use is 50 years, not exactly 10 years.

So don't worry, generally when your waterproofing is not broken, you will move early, or the building will be rebuilt.

To do waterproofing, you need to do it on the front of the water.

Dig excellent permeable crystalline waterproof, you can do it yourself.

If the cement surface is waterproofed, use a super permeable waterproof guard to do waterproofing (if there are cracks, gaps and potholes on the cement surface, fill the complete with Meiding porcelain glue and then do waterproofing).

For the tile surface, first check whether the filling of the tile gap is complete (if the filling of the tile gap is incomplete, fill it with Meiding porcelain glue, and then use a stone tile waterproof guard to do waterproofing).

Exterior wall paint can be made waterproof with transparent waterproof repair adhesive.

As long as you do it well, you can use it for a year.