How to hang the light steel keel ceiling?
1, elastic line
Use a spirit level to copy out the horizontal point at the corner of each wall (column) in the room, and pop up a horizontal line (generally 500mm from the ground). Measure it with a waterline to the design height of the ceiling and add a layer of board thickness, and use a chalk line to pop up the horizontal line along the wall (column), which is the lower leather line of the secondary keel of the ceiling. At the same time, according to the ceiling plan, the position of the main keel pops up on the concrete roof. The main keel should be separated from the center of the ceiling to both sides, with the maximum spacing of 1000mm, and the suspender keel should be separated from the center of the ceiling to both sides, with the maximum spacing of 1000mm, and the spacing of the suspender fixed points should be marked as 900-1000 mm. When the beam and pipe fixed points are greater than the design and specification requirements, the suspender fixed points should be increased.
2, fixed boom
Fix the boom with expansion bolts. Punch holes in the top plate with an impact hammer and install expansion bolts. Is one end of the boom the same as L30? x30？ X3 corner code welding (the corner code aperture is determined according to the diameters of the boom and the expansion bolt), and the other end is welded with the screw. Precast suspenders shall be rust-proof. When there is no ceiling and the length of the suspender is less than 1000mm, the suspender can be used; When it is greater than 1000mm, Nessler steel hanger shall be adopted. Master cheng yen suspended ceiling, the hanger length is less than 1000mm, and na hanger can be used; When it is greater than 1000mm, it should be called steel hanger. Attention should also be paid when installing the boom: the boom should be straight and have sufficient bearing capacity. When the reinforcement needs to be extended, it must be welded by lap welding, and the weld should be uniform and full; Suspenders should be installed for chandeliers, tuyeres and access doors.
3. Install the side keel
The side keel shall be installed according to the design requirements, and the L-shaped galvanized light steel strip shall be fixed on the embedded wooden brick along the horizontal keel line on the wall (column) with self-tapping screws; If it is a concrete wall (column), it can be fixed with nails, and the spacing of nails should be less than the spacing of secondary keels.
4, install the main keel
The main keel should be hung on the suspender and installed parallel to the length of the room with a spacing of 900-1000 mm. During installation, arch camber shall be erected, and the height of arch camber shall be 1/200- 1/300 of the room span. The cantilever section of the main keel should not be greater than 300mm, otherwise a boom should be added. The extension of the main keel should be connected, and the adjacent keel should be staggered. After the main keel is hung, it should be basically leveled.
5. Install the secondary keel
Secondary keel is divided into open keel and dark keel. Secondary keels are divided into T-shaped painted keels and T-shaped aluminum alloy keels, and all kinds of strip gusset manufacturers are equipped with special keels. The secondary keel should be installed close to the main keel with a spacing of 300? -600mm, fix the secondary keel on the main keel with a T-shaped galvanized iron sheet connector, with both ends of the secondary keel placed on the horizontal flange of the L-shaped side keel, and the strip gusset plate has a special inner corner line as the side keel.
6, keel frame comprehensive correction
Conduct a comprehensive inspection and correction of the installed ceiling keel frame. After the structural position and levelness of primary and secondary keels are qualified, tighten all hangers and connectors and clamp them to make the whole skeleton stable and reliable.
7, gypsum decorative board installation
Shelf installation: flat lap, exposed ceiling. Decorative gypsum board will overlap in the skeleton frame assembled with T-shaped keel, exposing the decorative keel of ceiling. Plate installation, plate installation should leave a seam, each side gap should not be greater than lmm.
The above small series briefly introduces the relevant technological process of how to suspend the ceiling of light steel keel. In the whole process, we should not only pay attention to the installation of keel, but also pay attention to the installation of gypsum and the alignment of secondary keel. The ceiling is the main body of the house, and every space cannot be separated from the fixing of the ceiling. It is also for this reason that the light steel keel ceiling has become a particularly important part of family decoration. The introduction of Bian Xiao's article is coming to an end here. I hope Bian Xiao's article can help everyone.