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Anonymous users2024-01-23The main reason is that the thickness of the negative keel is not enough, the stiffness does not meet the requirements, and the strength of the load cannot be beared. There may also be problems with the main keel, and the thickness and rigidity are not enough, resulting in a large area of the gypsum board ceiling collapsing.
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Anonymous users2024-01-22The gap between the main keel is too large, the quality of the auxiliary keel is unqualified, and the iron is thin, resulting in poor stress.
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Anonymous users2024-01-21If the auxiliary keel is also intact, it should be a problem with the connection between the main keel and the auxiliary keel, the general quality of the accessories is very poor, are processed by local small factories with waste materials, the thickness and strength of the accessories are not enough, and there are few qualified.
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Anonymous users2024-01-20The price of gypsumboard hanging shed should be about 110 yuan, the wall is generally about 90 yuan, the ceiling is 2300 yuan, the wall is about 5000 yuan, and the electricity can be changed to 300 yuan, and the whole is completed within 10000 yuan.
The main keel did not fall, the auxiliary keel came down, that is, there was a problem with the connection between the main keel and the auxiliary keel, and it had nothing to do with the self-tapping screw. >>>More
This may be a broken plasterboard, or there may be no sticker tape at the joint, you can use a knife to scratch off the crack an inch wide, and then use white latex to paste the paper tape, after drying, scrape the plaster, several more times, until it is consistent with the surroundings, of course, if you can sand and paint again.
It can be a large-area ceiling, but it must be flattened with a keel, and the gypsum board can not be used alone with steam nails, but also must be fixed with self-tapping nails, and it is not recommended to use wooden keels for large-area ceilings, and it is recommended to use light steel keels. Among them, after scraping the putty after the gypsum board is scraped with a lamp, there is no obvious black shadow for qualified, and it will generally not crack if it is solid. It depends on the level of your workers.
According to the board calculation, of course, the price will be relatively cheaper, with a 55-70 yuan price, of course, the price can be higher 20---30 square building owners of a square area contract, a 3 square meters, then it is about 20 yuan a square, gardener decoration.
20 square Choose a 48W square or round one.
If you want to be rectangular, the size is 840x620mm and it is 72W. >>>More