The types, specifications, colors, basic structure and fixing methods of the materials used in the ceiling project shall be in accordance with the design requirements and comply with the current standards.

The ceiling keel shall not be twisted or deformed. The wooden ceiling shall be fireproofed. The ceiling shall be in the correct position, the boom shall be straight, and the keel shall be installed securely and reliably.

The light fixtures can be hung on the main keel. Lamps or ceiling fans with a weight greater than 3 kilograms must not borrow the ceiling keel, and separate Hooks and structural connections are required.

Ceiling cover panel and keel should be closely connected, the surface should be flat, without pollution, cracks, missing edges, falling angle, hammer, nails and other defects, the joints should be uniform, the bead straight, no warping, cover panel The junction with the wall, curtain boxes, lamps, etc. should be tight.

The affixed cover panel must not be delaminated; the cover panel that is left without leakage, penetration, and warping; the gypsum cover panel of paper is generally fixed on the keel by galvanized screws, and the nail head should be coated with antirust paint.

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