- 长:
- 20m
- 宽:
- 2m
- 厚:
- 3mm
First, when paving the floor, the expansion and contraction gaps at any point are less than centimeters. Especially when paving the door edges, wall corners and hidden parts, the expansion and contraction gaps are roughly estimated or the saw boards are not aligned, causing any part of the floor to be in contact with the fixed objects. touch. As long as any part of the floor comes into contact with fixed objects, action and reaction forces will occur, causing partial or complete arching, and in severe cases, cracking or warping of joints.
Second, the cement floor has been completed for less than three months, or even though it has been completed for more than three months, the doors and windows of the room are closed, there is no ventilation, no ventilation, and there is too much moisture. In this case, it will take a little longer to lay the floor. Arching or seam cracking and warping will occur.
Thirdly, although the heating experiment has been done in the geothermal heating room before the floor, the geothermal construction unit did not reach the maximum temperature in order to deliver the work as early as possible or save money, and did not continuously observe the changes in the ground temperature. Then the experiment was stopped. In this way, a large amount of moisture and warm air were not emitted. After the floor was laid, once the heating was supplied again, the moisture and moisture that could not be emitted increased sharply. Or even if a complete experiment is done, the geothermal temperature does not gradually increase after paving, but is raised once to the point. In this way, the moisture, moisture, and heat generated by raising to the extreme temperature too quickly and too quickly will cause the floor to arch or crack. , bubbling phenomenon.
Fourth, after the floor is laid, you will not live in the room for several months, and the doors and windows will be closed for a long time, causing the indoor air to not flow and the humidity to be insufficient. Especially in winter and summer, the molding boards in this environment are prone to arching, cracking and warping.
Fifth, the user did not maintain the floor according to the paving instructions and warranty card, especially when maintaining and wiping the floor, causing water to enter the floor joints or the joints were often wet, resulting in cracked joints and raised corners.
Sixth, when paving the floor, the pavers rush for time in order to catch up with the progress, or they only rely on experience and do not follow the "Paving Instructions" carefully. The following illegal paving phenomena occur: the small and large head splicing is all done by hammering. The pad was too hard or the pad was in an improper position during the beating. The lock was damaged but it was not found that the force was too strong during the beating and installation, making the joint too tight. There was slight arching and repeated beating, which damaged the lock seam. The knocking was weak, and there was no Fasten the seams.
Seventh, when the floor was installed, some floor locks were not standardized (too loose) or tight, and the locks were damaged. They were not picked out, but good and bad ones were mixed together, causing problems.
Eighth, for winter paving, due to the increase in water absorption of the floor and the hibernation of the floor, the floor was not placed indoors for more than an hour in advance to adapt to the temperature and thaw and wake up. Therefore, problems occurred after the floor was laid for a period of time. . When paving, the floor mats are not staggered and stacked, especially the joints of the floor mats are not sealed with self-adhesive tape, allowing moisture to escape from one place. In this case, the joints will either crack, bubble or warp. . This is the most common and most likely cause.
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