General gypsum board ceiling ceiling with woodworking board base?
Direct or ceiling is directly on the bottom of the floor spray and plaster, or paste other decorative materials. Generally used for decorative requirements of residential, office buildings and other civil buildings. Direct ceiling according to the construction method and the different decoration materials. Divided into the following three; (1) direct brush (spray) pulp roof; (2) direct plastering ceiling; (3) direct paste roof. There are two ways to directly paste the ceiling: First, the decorative materials in the mold when the shop on the template, and then cast-in-place concrete, so that the decorative material directly on the concrete, demoulding can be used as a decorative surface layer, this decoration Surface use of the plate, such as dry plaster, pressure plate and so on. Second, in the concrete component installation and cast-in-place concrete demolding, clean up the base surface, with adhesive to the decorative surface layer paste. Such as gypsum board (decorative panels and slats), marble boards, laser glass and so on.
Are generally light steel keel base!
In the position of a chandelier will join the wood board base
Depends on the weight of the main lights, more than 3kg can not.
"Construction electrical engineering construction quality acceptance norms" provides: large-scale lighting fixtures and suspension by the construction design calculated after the map embedded installation, in order to test whether the firmness of the drawings meet the requirements, should do overload test.
If the weight of the lamp is more than 3kg, the hook shall be embedded in the top of the original building. The diameter of the hook is less than the diameter of the lamp or less than 6mm.
There is a wooden board on the location, the need to install lamps, or other objects - only gypsum board, then, can not install the object.