1, modeling should use the ceiling keel, only to facilitate the fixed gypsum board, carved panels, panels and other materials
2, can be directly used wood board primer, which is only suitable for small area ceiling keel, it acts as a keel role.
Expansion: home use generally use wooden keel, tooling or large-scale ceiling is required to use light steel keel.
Ceiling keel is what we often see the ceiling, especially the shape of the ceiling, are made of keel frame, and then covered with gypsum board made.
Ceiling keel is made of light steel, for the ceiling of the main material, it is connected with the floor through the screw, used to fix the ceiling or objects.
