Construction process of caisson ceiling

effect:
In home decoration, wood keels are generally used as skeletons, and gypsum boards or wood are used as panels, paints, or wallpapers as vine-type ceilings for decorative finishes. This kind of suspended ceiling can overcome the contradiction between the low and top of the room, facilitate the on-site construction, improve the grade of decoration, reduce the construction cost, and achieve the purpose of top decoration. Therefore, it is widely used.

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Construction points:
(1) Requirements for installation of wood keel 1 Material: The wood is required to ensure that there are no defects such as chapping, corrosion, insect frogs, dead knots, etc. The specification is 30 to 40 mm in cross section, 40 to 50 mm in width, and the moisture content is less than 10%.
2 Design: The algae-type suspended ceiling is used. If the height difference is greater than 300 mm, the ladder should be used for grading. The keel structure must be sturdy and the large keel spacing must not exceed 500 mm. The keel must be fixed firmly and the keel skeleton must be fixed at the top and the wall.
3 Construction: The deviation of the elevation of the ceiling shall not exceed 5 mm. The underside of the wooden keel should be planed and smoothed, and the thickness of the section should be the same, and flame retardant treatment should be carried out.
(2) Wood keel installation specification 1 First, the elevation line, modeling position line, hanging point layout line, and lamp installation position line should be popped up.
2 There are two methods for fixing the hanging point on the top of the dragon frame. One is to fix the angle iron or flat iron directly on the top with a shot nail with a diameter of 5 mm or more. The other is to drill at the top and fix the iron or wood with expansion bolts to make hanging points. All should ensure that the lifting point is firm and safe.
3 After installing the skeleton of the surgical dragon, quality inspection and acceptance shall be performed before the installation of the decorative panel.
(3) Installation of veneer panel 1 The types of ceiling veneer panel are mainly two types: gypsum board and timber board. All of them require that the board surface be flat, no bumps, no breaks, and neat corners.
2 There are two methods for installing the veneer panel: the round nail fixing method and the wood screw fixing method. Among them, the round nail fixing method is mainly used for the installation of the wood veneer panel and the construction speed is fast; the screw fixing method is mainly used for the gypsum board veneer panel. Improve plate nailing ability.
The 3 security panels should be completely in line with the wall surface, and the corners with decorative corners can have gaps. The joints between the veneers should be tight.
4 The ceiling should be reserved when installing the panel. After the veneer is installed, the finish of the veneer is also required. The commonly used materials are latex paint and wallpaper, and the construction method is the same as the wall surface construction.

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