I originally used Lafarge Belle plasterboard for the ceiling, but after scraping the porcelain powde

Generally, gypsum board scraping putty will not blister, woodworking board is easy to blister, it is possible that the putty scraped too thick will blister. Porcelain powder putty can be changed to putty paste can be much better.

There is moisture under the base board or base board, if it is really moisture inside, you can only let it dry.

This kind of problem mainly depends on the quality of the board, the plate is overburned in the production process, and the wet board may cause the paper surface to blister and deform, or it may be that the board is damp and blistered during transportation and storage, and there is also the first time when the putty is scraped, the first time is not dry, and the second time is scraped.

The alkalinity of putty is large, and the construction interval can be noted.

Chengdu Xupu.

There must be something wrong with your powder putty, there is nothing wrong with the drywall itself.

Ask someone from the renovation company.