Can you install wallpaper if you have wallpaper on the wall without tearing it, but if you have wall

It is possible to use lightweight walls, however.

Remember to use lightweight walls for bathroom floors. >>>More

It is not necessary, you can apply some white glass glue or white toothpaste.

The first floor is not a big problem, but not above the second floor. I hope my answer can help you.

There is no need to raise the floor to install a toilet.

Because the toilet itself brings back the water bend, there is no need to think about the floor. >>>More

With my more than ten years of construction experience, I can tell you very responsibly that as long as the quality of the solid wood floor is qualified, the moisture-proof mat of the ground is done before paving (we generally make a layer of waterproof first, and then lay a layer of floor moisture-proof mat), there is absolutely no problem with direct paving.