Before satisfying aesthetic requirements, the construction and practical performance of the ceiling should be considered first.
Ceiling is the top priority for the top projects in home decoration. It is not only related to the face of the family. The various pipelines hidden in the “tummy†directly affect the safety issues that will be used in the future. In this issue, Jinghua Home will invite experts to explain the construction priorities and precautions of the ceiling project.
Materials
Light steel material
According to Jiang Siwei, director of Dongyi Risheng Decoration Engineering, the ceiling is mainly used as a hidden pipeline in home furnishings. Some water pipes, wires and central air-conditioning systems that cannot be embedded in the walls are hidden. In addition, some equipment and materials that are not suitable for long-term direct exposure to the air also need to be installed in the ceiling. For example, benzene board and rock wool, which are top insulation materials, will slowly release harmful substances such as formaldehyde and benzene. In a relatively closed ceiling, it can weaken its damage to the human body.
Jiang Siwei introduced that in the field of home improvement, most of the light steel keels are used as ceiling bases, and gypsum board, PVC board, or aluminum buckle board is used as a decoration. Wooden keel is easy to deform, worms, and fire performance is basically out of the historical stage, only in the European or Chinese design, there are curved or round and other special local modeling will be used, but must be painted when used Fireproof paint.
construction
Points can not be forgotten
The home improvement construction is a cross-work operation for various types of work, which is very obvious in the construction of ceilings, and the cooperation between different types of work is particularly important. At the beginning of the renovation, the waterworks and the electrician entered the site first, and the pipes and wires to be collected in the ceiling were laid. The carpenters then entered the site and began to make ceilings, hiding the various pipelines.
The spacing between the main keels must not exceed one meter, and the spacing between the auxiliary keels must not exceed 40 cm to prevent the span from becoming too large, resulting in deformation of the ceiling. Although the current wooden keel has been basically “extinct†in the construction of the regular home improvement company, it will be used locally in special circumstances, and the guerrillas will also be used in the renovation. Therefore, the owners are reminded that if wood keels are used, the wood must be first Plane with a hand-planing tool to prevent the presence of burrs on the top. "Once the surface of the wooden surface is not smooth enough to prevent the brush from coming into full contact with the surface of the wood, it is very likely to cause a leakage of the fireproof paint." Jiang Siwei explained that even if it only leaks one or two points, once the electric line in the ceiling The outer skin is broken and the wire is short-circuited. It is very likely that there will be a fire.
The wood keel used in different locations also requires a different protective paint. If it is used in the kitchen, it must be painted with fireproof paint; when it is used in wet environments such as toilets, it is necessary to add anti-corrosion paint; when used in greenhouses, etc., we must also pay attention to pest control.
During the construction process, the embedded parts of the suspended ceiling must be steel expansion bolts to ensure the bearing capacity. However, heavy and large ceilings should also be subjected to pull-out tests in order to avoid problems such as sinking, arching and deformation of the ceiling caused by gravity.
an examination
To stay testing
Experts said that ceilings are not allowed to seal before subsequent tests are completed. “First look at whether the surface of the ceiling is flat and whether there is arching on the exterior, and then check whether the embedded parts are firm, and then conduct insulation remote measurement on the electrical wires inside the ceiling to determine the circuit safety.†Jiang Siwei said that the wires in the ceiling are generally There are no joints, which reduces the incidence of danger to some extent. If you do need a connector, use a terminal instead of black tape to secure it. In addition, if there is a lamp in the ceiling, the lamp wire should be double protected by a bellows. He reminded that in order to ensure the safety of the line, we must firmly avoid overloading.
“It is also necessary to conduct a pressure test on the water pipe to see if there is a leak point.†Jiang Siwei believes that the construction time of the construction party and the owner is 15 minutes, but this is not enough. “The construction party must also conduct a 3-hour self-check to fully determine the waterway safety.â€
If there is a central air-conditioning pipeline inside the ceiling, it must also pay attention to whether the inverted slope of the condensate pipe is put right; if it is reversed, it will lead to the normal circulation of water, and the condensate water tray will accumulate water for a long time, causing the ceiling to emit odor.
Some readers reflected that the exhaust air of the toilet was not working. It was suspected that there was a problem with the construction sequence of the ceiling. As a result, the exhaust hose was not inserted into the exhaust outlet. Jiang Siwei pointed out that in fact, the problem is fixed. The bottom of the exhaust bellows should have a square base that can be secured to the air duct to ensure its stability. If only the telescopic hose is simply inserted into the air duct, odors may be generated in the bathroom due to the air gap flowing back to the suspended ceiling or the hose being detached during use. This leaves the reader with the impression that exhaust air is not used.
Jiang Siwei pointed out in particular that, under normal circumstances, a 40cm×40cm square inspection port should be reserved on the suspended ceiling so that it can be overhauled if there is a problem in the future. However, most owners believe that this has destroyed the integrity of the suspended ceiling and refused to retain it. “The home improvement project should first ensure safety, and then consider practicality, functionality, and aesthetics. If internal problems occur, the entire ceiling will be removed and the resulting damage will be even greater.†Some homeowners pursue a sense of design by choosing a glass ceiling or mirror. Ceiling, Jiang Siwei suggested that this kind of ceiling is very easy to break and it is not easy to fix. It is prone to safety hazards and should be carefully chosen.
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