Specification requirements for gypsum board ceilings

Check the installation of concealed works on the ceiling, such as air conditioning system, fire sprinkler system, smoke detection system, power supply and distribution system, background music and other conduits, whether they are installed in place or not, and whether they have passed the concealment acceptance.

All sides are leveled, and the middle is raised.

According to the design requirements of the drawings, all sides should be leveled, and the middle of the shelf should be arched as usual.

Boom connection

The suspender can be connected with embedded parts or reserved hooks when pouring the floor, or it can be connected with expansion screws, and then it can be fixed after drilling holes upstairs.

Rational distribution of keel spacing

The spacing between the boom and the keel should be reasonably distributed according to the information provided by the manufacturer, and the keel should be leveled after the connection is fixed.

Rust prevention treatment of metal parts

All metal parts, such as electroless plating, must be brushed with antirust oil twice.

Gypsum board installation

Plane the edge of gypsum board into chamfer, then compound it with keel with tapping screw and tighten it. Butt joint of gypsum board is 2-3 mm, and chamfered, covered with caulking putty, seam belt is buried in putty, gypsum board is chamfered with putty, and then slab joint is leveled with Italian board.