Saturday, March 11, 2017

Roof construction process

Suspended ceiling decoration process
(A) the structure of a suspended ceiling
Suspended roof generally consists of three parts: boom, skeleton, surface layer.


1. Boom
(1) the role of boom: to withstand the ceiling layer and the backbone of the load, and this tea to the roof of the load-bearing structure.
(2) the material of the boom: most of the use of steel.
2. skeleton
The role of the skeleton: to withstand the load of the ceiling layer, and the load through the boom to the roof load bearing structure. Skeleton of the material: a wooden skeleton, light steel dragon skeleton, aluminum dragon skeleton and so on. The structure of the skeleton consists of the main keel, the sub keel and the joist, the second grid, and the small frame. Light steel keel and aluminum alloy keel in the T-type, U-type, LT-type and all kinds of special keel and so on. The following are the same as the "
3. Surface layer
The role of the surface layer: decorative interior space, as well as sound absorption, reflection and other functions. Surface layer of materials: paper gypsum board, fiberboard, plywood, calcium-plastic plate, mineral wool sound-absorbing, aluminum and other metal plate, PVC plastic plate. The form of the surface layer: bar, rectangular and so on.
The following are the same as the "
(2) Suspended roof construction technology
(1) light steel keel, aluminum keel ceiling:
Bracket → Install boom → Install the dragon frame → Install the panel.
(2) PVC plastic plate ceiling:
Bend → Install Main Girder → Install Wooden Bracket → Install Plastic Plate.
(3) construction points
First of all, should be in the wall pop-up line, fixed at both ends of the wall pressure lines, with cement nails and wall fixed firmly. According to the design of the standard, along the wall around the bomb line, as the ceiling installation of the standard line, the level of tolerance ± 5 mm. When the algae roof, should be fixed under the pressure bar, yin and yang angle with pressure bar connection. Note that the exit of the lighting line is reserved. When the ceiling area is large, the keel should be laid in the middle. Hanging point spacing should be re-inspection, generally not on the ceiling of 1200-1500 mm, the ceiling of 900-1200 mm. Panel installation should be installed before the keel and panel panels to check, meet the requirements and then install. The following are the same as the "
Grille ceiling construction process
1, the role of wood grille ceiling
Wooden grille ceiling is home decoration corridor, entrance, restaurant and have a large roof and other space often used method.
2, wooden grid ceiling construction technology
Accurate measurement → keel finishing → surface planing → open half slot lap → flame retardant brushing → oil brushing → installation frosted glass
3, construction points
The construction of the wooden grille skeleton should be accurately measured in the ceiling size. Keel should be finished, the surface planing, the interface at the open rod, horizontal, vertical keel junction should be open half-slot lap, and should be flame retardant brushing treatment. The following are the same as the "
Construction Process of Alpine Roof Ceiling
1, the role of algae roof
In the home decoration, the general use of wooden keel to do skeleton, with gypsum board or wood to do the panel, paint or wallpaper to do finishes finish algae-type ceiling. This kind of ceiling can overcome the contradiction between the room low and the top decoration, to facilitate the construction site, improve the decoration grade, reduce the project cost, to achieve the purpose of the top decoration, so the application is more extensive. The following are the same as the "
2, construction points
(1) wood keel installation requirements
① Material: wood requirements to ensure that there is no split, corrosion, insect frog, dead and other quality defects; specifications for the length of 30-40 mm, 40-50 mm wide, water content of less than 10%. ② design: the use of algae-type ceiling, if the height difference is greater than 300 mm, should be used ladder grading treatment. Keel structure must be strong, large keel spacing of not more than 500 mm. Keel fixation must be firm, keel skeleton in the top, the walls must have fixed pieces. ③ construction: ceiling elevation level of not more than 5 mm. Wood keel bottom should be planing flat, cross-sectional thickness of the same, and should be flame retardant treatment.
(2) wooden keel installation specifications:
First should be pop-up line, shape position line, hanging point layout line and lamp installation position line. There are two ways to fix the hanging point at the top of the keel: one is to fix the angle iron or flat iron directly to the top with a diameter of 5 mm or more. The other is at the top of the eye, with expansion bolts fixed iron or wooden side to do hanging point. Should ensure that the hanging point is firm and safe. After the installation of the dragon skeleton, should be carried out quality inspection and acceptance, can be decorated with decorative panels.
(3) the installation of decorative panels
The main types of ceiling panels are gypsum board and wood board two categories, are required flat surface, no bump, no broken, neat corner. The installation method of the decorative panel is mainly composed of circular nail fixation and wood screw fixing method. The circular nail fixation method is mainly used for wood panel installation and construction speed. The screw fixation method is mainly used for gypsum board panel to improve Plate piercing ability. Installation of decorative panels should be fully consistent with the wall, there are decorative corners of the gap can be placed between the decorative panels should be tight. Ceiling should be installed in the decorative panel when the mouth set aside. Decorative panels installed, the need for finishes finishing operations, commonly used materials for the latex paint and wallpaper, the construction method with the wall construction.

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