Downlights generally have a screw cap, which can be directly installed with incandescent lamps or energy-saving lamps. Downlight is a downward lighting lamp embedded in the ceiling. Its biggest feature is that it can maintain the overall unity and perfection of architectural decoration, and will not destroy the perfect unity of ceiling art because of the setting of lamps and lanterns.
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If the opening area is not large, borrow a wire saw from the carpenter, drill a hole in the square hole area, put the wire of the wire saw through the hole, and cut it manually along the drawn line.
Borrow a marble machine (or an angle grinder for marble machine pieces) and cut along the drawn line, paying attention to cutting slowly to the four corners.
The circuit is preset on the ceiling, and the corresponding hole can be dug in the gypsum board to clamp the lamp. Generally, bull's-eye lights are arranged evenly and symmetrically, which is more beautiful.
There are two ways and several methods to install gypsum board ceiling. One is the installation of wooden keel, that is, first use wooden strips as hangers, and then build gypsum boards. The other is to use metal keel, first drill holes on it, install suspenders, then hang beams, and finally install gypsum board. . Practice, you can board directly, or you can install a layer of joinery board as the base first, and then install gypsum board. In some radian places, three-layer boards or five-layer boards and nine-layer boards should be used, and gypsum boards should be installed after modeling.
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