[Hardwood wood frame ceiling construction]

Construction process: leveling of bullets → installation of main beams → installation of joists.

Firstly, level the bullet line, according to the +50cm horizontal line on the interior wall, use the design elevation of the ruler to the ceiling, play a line of ink along the wall, as the horizontal line around the ceiling, pre-embed φ10 bolts in the reinforced concrete ceiling, wear under After the main girder is tightened and screwed in, the pre-embedded girder should be in accordance with the main girder. The main girder spacing is 1.0m, and 6×10cm square timber is used. The main girder and the floor are tightly closed with 5×5cm square wood to prevent Vibrate and tie with the boom with 8 # lead wire, there must be no loose and sinking phenomenon. Then install the joists, that is, the keel. In order to make the surface of the ceiling smooth, the joists must be planed and planed. Firstly, 4x6cm square wood is used for the joists at the first floor. The spacing is 40cm. The grid (with 4 x 6cm square wood) spacing 40cm. With 3" nails and joists nailed, the main beam and the long joists were nailed with a boom, the boom was used 5 * 5cm dry wood, the end of the boom was fixed with two nails, staggered by the root, must not be pinned in the same Side, roof exposed iron parts should be a good anti-rust paint brush, ceiling frame after passing inspection, before nailing surface.

【Light steel keel plasterboard ceiling】

Light steel keel gypsum board ceiling, construction points are as follows:

First, all kinds of pipelines and pipelines have been installed and tested, and the level of keel, spacing between ceilings, joints fixed, and arch design have passed inspection.

Second, first install the main keel, and pull the energy line to check whether it is correct, and then install the board edge leveling, to meet the flatness of the board.

Third, the use of special equipment and the use of matching materials, can ensure that the size of the processed sheet meets the standards, reduce the original error and assembly error, in order to ensure that the patch is flat.

Fourth, according to the provisions in the bottom floor of the floor bomb boom position line, according to the size of the cover panel to determine the boom spacing.

Fifth, from the stability point of view, the distance between the keel and the wall should be less than 100mm.

6. When using plasterboard, the distance between the self-tapping screw and the edge of the board or the end of the board shall not be less than 10mm, nor should it be greater than 16mm, because it is limited by the section of the keel. The spacing between the middle screws of the plate must not exceed 200mm. When fixed, the nail head is required to be embedded in the gypsum board about 0.5 to 1 mm. The nails are leveled with a putty and painted with a color paste of the same color as the gypsum board. The fixing screws can be used with GB847 or GB845 cross countersunk head tapping screws (5×25). , 5 × 35).

7. When laying large plates, the long side of the plate should be perpendicular to the secondary keel to facilitate screw alignment.

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