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Anonymous users2024-01-24Is it right to make a round ceiling in a flat plasterboard ceiling? If so; Then he first used carpentry to make a circular skeleton on the ground with wooden squares according to the radius of the round ceiling given by the designer, and then sealed the façade of the round side with gypsum board or triple plywood. After the circular shape is done, it is hung on the corresponding part of the flat ceiling according to the requirements of the drawing.
This round ceiling is complete.
Gypsum board modeling ceiling practice:
1.First, the wooden keel is used to make the frame structure, the wooden keel of the ceiling should be coated with fireproof coating, and the hanging ribs are made on the main keel.
The stepped ceiling is made of blockboards and wooden strips.
2.After the wooden keel is done, the gypsum board on the paper surface, the gypsum board and the keel must be connected with self-tapping screws, and the screw head must enter the board surface about 2mm, and it is strictly forbidden to use gun nails, because the strength of the paper gypsum board is low, and the contact surface of the gun nails is small, which is easy to cause delamination between the paper and gypsum board, and causes great trouble to the paint construction.
3.There should be a gap of about 5mm when the gypsum board is spliced to prevent the top surface from arching caused by moisture expansion.
4.The screws should be coated with anti-rust paint when the gypsum board base is treated, otherwise the rust will seep to the surface.
5.Then the joints are flattened with elastic putty, bandages are pasted with white glue, and then full batches, generally scraped two to three times, polished and smoothed after drying, and finally coated with paint.
6.For the ceiling where the downlight is installed, due to the low strength of the gypsum board, a layer of splint should be added between the gypsum board and the keel, so that the gypsum board can be prevented from being damaged when installing and maintaining the downlight, and the installation fastness of the downlight can be increased.
If it is a public decoration ceiling, there are fire protection requirements, such engineering ceiling projects, all the use of wood and the like, is sure to need to carry out fire protection treatment, such as painting fire retardant coatings, and fire retardant coatings must be certified by the national fire management department, so that they can be used. For private decoration, the industry is much more relaxed, if the owner does not have such a requirement, or the decoration company in order to save costs, in order to save costs, the use of wood materials in the construction of the ceiling, will omit the fire treatment.
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