How to install gypsum manhole?

Release time：2021-11-02　　　　 Time to browse

1. Set the horizontal line

2. Installation of keel (wood keel or light steel keel)

3. Installation of gypsum board

4. The gypsum board is fixed with self tapping screws, and the spacing between screws is generally about 20 cm, not too thin; There must be a gap of 3 ~ 5mm between gypsum board and gypsum board.

5. After the installation of gypsum board, the joints can be filled with gypsum powder and glue mixed into putty, or buy special joint putty for gypsum board; During joint filling, the putty must be leveled; After the putty is dry, apply white emulsion glue to the gap and stick the bandage on it. After it is dry, it can be leveled with talc powder putty (or finished putty powder). This kind of putty needs to be leveled twice, and then polished with sand.

In this way, you can roll the emulsion paint next.