Gypsum board is made of construction gypsum as the main raw material. Gypsum board is combined with light steel keel to form light steel keel gypsum board. Light steel keel gypsum board is a common material for ceiling decoration today. Today, the editor mainly introduces the process of light steel keel gypsum board ceiling, so that everyone can know in advance.

Detailed explanation of light steel keel gypsum board ceiling technology

1. Construction preparation

The ceiling uses light steel keel 38×1.2, the hall uses 50×1.2, T Type aluminum alloy keel 32×22×1.1, 22×22×1.1, gypsum calcium silicate board 600×600, Φ8 boom, Φ8 expansion bolt, corner code 40×40×4.

II. Working conditions

1. Release the main control line on site according to the construction drawings.

2. The suspended ceiling has been hit by the keel position.

III. Construction technology

Construction sequence: The position of the projectile point of the bullet, the lifting height line of the eyelet, the main keel installed with the eyelet installation boom, and the T-shaped main keel and small bones are installed. Installation and acceptance of mechanical and electrical equipment Installation of drywall.

1. According to the 50 horizontal line of the room, use the regular vertical vector to the ceiling design elevation, the office is 2.6m (50m returns 2.1m, horizontal tolerance ±3mm), the corridor is 2.3m (50 line returns 1.8m) along the ceiling The height rises around the wall and the joist lines are drawn on the wall. The boom is 150mm away from the wall. The distance between the two ends of the main keel shall not be greater than 150mm, and the distance between each keel shall be 1m. Play 1 meter below the floor. ×1m square line. The ceiling arch of an open office is 20 mm, and that of a small office is 5 mm. Corridors are arched 2mm, short spans of rooms are arched.

2. After playing the position of the top layer of the suspended ceiling and the keel line, determine the height of the lower end of the boom. According to the position of the large keel and the distance between the booms, the ends of the booms without turnbuckles are welded with 40×40×4 corner codes. The boom is fixed to the ceiling with Φ8 expansion bolts.

3. The exposed length of the boom end should not be less than 3mm. When installing the large keel, use a hanging piece to connect the large keel to the hanger and tighten the screws. Large keel lengths can be connected via connectors. After installing the large keel, it should be leveled.

The 4, 38 and 50 main keels should be arranged parallel to the direction of the lamp, and the boom should avoid the air outlet and the position of the lamp. The open office ceiling requires 12 meters to weld the horizontal keel on the upper part of the large keel to enhance the lateral stability of the large keel and the integrity of the boom.

5. After the installation of the middle keel is completed, and the elevation, spacing, straightness and lifting weight are checked to meet the design requirements, the installation of the roof starts from the keel end in the middle of the suspended ceiling. First install a side clip and file the small keel. Then, place the calcium silicate board on the keel. On the flange of the three-sided keel, then install the other side of the small keel, install it according to the above procedures, and finally adjust the T-shaped open keel. After completing professional processes such as water, electricity, air conditioning, etc., the suspended ceiling can be installed.

6. When cutting is required, gypsum calcium silicate boards should be cut neatly perpendicular to the ribs on the back of the board. Lamps and air vents should be adjusted so that the panels are on the same level. Non-integrated boards can be grooved with flat surfaces to lower the cut sides to keep them level. After the drywall is installed, the nail holes must be rust-proofed (painted with anti-rust paint).

7. The side keels of the gypsum board ceiling in the corridor, the open water room and the smokeproof room are made of wooden keels. The keel is 20 mm thick and 50 mm wide.

IV. Quality standards

1. Guarantee project: the types, specifications and fixing methods of light steel keels and cover plates must meet the design requirements; the installation of light steel keels must be in the correct position, firmly connected, and not loose; should not Any defects such as delamination, warping, cracking, missing corners, etc. The installation must be firm and not loose.

2. Basic engineering: The boom of the light steel frame, the large, medium and small keels should be in the correct position, straight, without bending or deformation, and the suspension parts and connectors should meet the requirements; the surface of the cover plate Smooth and clean. The color is consistent and there are no defects such as pollution.

3. Light steel keel: The distance between keels is 2mm, the keel is straight 2mm, and the keel is horizontally plus or minus 2mm.

4. Cover plate: The surface is flat 2mm, the joint is flat 2mm, the seam height is 1mm, the ceiling is horizontal, minus 2mm.

V. Precautions

(1) Finished product protection

1. The installed keel should not hit the keel. It is strictly prohibited to hang heavy objects such as suspension parts or other types of workpieces on light steel keels.

2. During the construction of the suspended ceiling, attention should be paid to the protection of various pipelines installed on the suspended ceiling. It is strictly prohibited to use light steel keel suspension rods and keels in ventilation ducts and other equipment.

3. The installed suspended ceiling is strictly prohibited from collision and pollution.

(2) Safety measures

1. A safety helmet must be worn when entering the site. It is strictly prohibited to use slippers, high heels or bare feet to enter the construction site. Smoking is prohibited on site.

2. The operating platform for installing the suspended ceiling must be firmly constructed.

3. During construction, tools should be kept in tool bags and should not be thrown when materials or tools are moved up and down. Strictly follow operating procedures when operating tools and electrical equipment to prevent injury.

Details of the light steel keel gypsum board ceiling technology

Light steel keel gypsum board ceiling is one of the common decoration methods for flower ceilings today. I believe everyone has some understanding of this material. For light steel keel gypsum board, after seeing the editor's introduction, you must have a simple understanding of the construction process of light steel keel gypsum board ceiling. I hope it can help friends who are decorating.

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