The varieties, specifications, colors, basic structures and fixing methods of the materials used in the suspended ceiling project should meet the design requirements.

2

All kinds of keel ceiling must be fixed firmly. After fixing, conduct a comprehensive inspection and leveling, and check the installation position.

three

The specifications of the wood square used in the wood skeleton should meet the design requirements, and the wood square should be glued and fixed with nails, and the side in contact with the cover panel must be planed.

four

The wooden skeleton structure of the ceiling should meet the fire protection requirements.

five

There should be no bubbles, peeling, cracks, missing corners, dirt, pattern defects and other defects in various cover panels. The surface should be smooth, the edges should be neat and the colors should be consistent.

six

The hole spacing of perforated plates should be arranged neatly, and plywood and wood fiberboard should not be degummed, discolored and decayed.

seven

Plywood, medium density fiberboard, etc. are fixed with nails, the nail spacing is 80- 120mm, the nail length is 25-35mm, the nail cap should be flattened and enter the board by 0.5- 1mm, and the nail holes should be leveled with oily putty.

eight

When the surface of plywood is painted with varnish, the wood grain and color of adjacent surfaces should be similar.

nine

When pasting or painting on the cover panel, white glue and fine cotton cloth should be pasted at the joint, and there should be at least 5cm lap joint on both sides of the joint.