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Anonymous users2024-01-24It can be calculated by squares. It can also be calculated according to the engineering quantity. How much work has been invested. How much material is used. 1 square is 5-10 yuan. That's probably the difference in geography.
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Anonymous users2024-01-23That thing is not easy to calculate, it is better to count it as artificial.
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.
It is best to do anti-rust treatment, otherwise rust will appear after the batch of putty is soaked in water, and the white will turn yellow to expose traces.
After a long time, there will be problems, because gypsum board is quite heavy, nails alone are far from enough, some gypsum board ceilings also have to be painted with white latex, and nails alone are the easiest to crack, but generally can't fall down, hehe.
Gypsum board ceiling with self-tapping screws is better than using wooden gun nails.
Re-replaced, gypsum board ceiling with drywall nails, so that the light steel keel can be used to clamp the light steel keel, which is also a special screw for gypsum board ceiling, you use self-tapping screws are not in line with the specification.