If there is support at 2 meters, the ceiling will be different. If there is no support in the middle, it will be square at 6 meters.
Attention should be paid to expansion joints in design and construction. Expansion joints should be left at each joint and inverted at a 45-degree angle to avoid stress accumulation. Self-tapping nails should be evenly distributed to ensure that the force of each self-tapping nail is close, otherwise it is easy to form side lock reaction, which will make the structure lose stability and produce deformation joints.
Extended data:
Living room, bedroom, corridor and other spaces will be suspended ceilings, and these places should be cleaned first. The ceilings of these spaces are generally gypsum board ceiling materials, and with a certain height, it is difficult for ordinary people to reach them, so the problem of oil stains is not to be considered, and water vapor is rarely stained.
Mainly the problem of dust accumulation, so the cleaning of the ceiling in these spaces is mainly dust removal. Dust can be removed with a soft cloth or a feather duster. If you encounter serious stains, you can polish them with sandpaper and apply a layer of paint of the same color if necessary.
Everyone in the kitchen will choose aluminum gusset. Generally has good oil stain resistance. Usually wipe it with a soft cloth. But if it is not cleaned for a long time, the kitchen ceiling will absorb a lot of oil stains. At this time, a small amount of detergent should be used and scrubbed with a soft cloth with strong water absorption.