Gypsum board ceiling 4 aircraft screws about how many kilograms to bear

If it is a paper-faced gypsum board ceiling, it must be connected to the cladding keel with self-tapping screws. And the screw caps of the self-tapping screws need to go slightly inside the drywall. In this way, before batching putty on the top surface, it is also necessary to apply the screw cap of the self-tapping screw with anti-rust paint so that the screw cap will not spit rust, and then batch the putty and paint it with latex paint. >>>More

Apply rust-in-one paint one by one, or cement one by one.

This depends on what model and specification of the main keel is used, and the ceiling must be able to go up to the person, and the "master keel" must be used. In the actual operation process, the people who climb up generally choose to be smaller. But even so, the effect on the top surface is still there. >>>More

Self-tapping screws are treated with anti-rust paint, and nail caps are used conventionally. If you spray anti-rust paint by hand, it will be better than the point.

This depends on what model and specification of the main keel is used, and the ceiling must be able to go up to the person, and the "master keel" must be used. In the actual operation process, the people who climb up generally choose to be smaller. But even so, the effect on the top surface is still there.