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Anonymous users2024-01-23There is no requirement in the national code that the load-bearing keel must be double-layered, and the keel specifications and installation spacing are set according to the bearing capacity, and a single layer can also be used. The double layer is generally required by the owner, which is stronger and has a larger load. First, the U-shaped keel ordinary ceiling points:
1.Venerable keel. 2.
Not on the keel of the people. Ceiling composition: U-shaped keel + paper gypsum board; There are often requirements for double-layer gypsum board, staggered splicing; The joints are not easy to crack when the ceiling is large.
2. Composition of T-shaped keel ordinary ceiling: T-shaped + L-shaped keel + mineral wool ceiling (common 600*600mm specifications).
Hanger light steel keel material accounting.
1.Ceiling keel frame. >>>More
It must be a good alloy material, the hardness of pure aluminum is not easy to deform, and the hardness of the alloy is relatively good and durable.
No matter what color it is, as long as it doesn't rust, it's better, just try it with a magnet, mainly depending on the material.
I only know about home improvement, a better one is about two hundred, and the average one hundred and fifty-six. The tooling is cheaper, but the material is certainly not as good as the home decoration. This is the price of a regular company.
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