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Vinyl flooring may experience bulging during or after installation, and most people are first looking for the problem with the PVC flooring itself, while ignoring other factors in the process. To avoid bulging after PVC flooring installation, preliminary preparations can be made. Lay the intact and newly unfolded PVC floor flat on a smooth, clean, and dry ground (without scratching); Maintain the ambient temperature between 20 ℃ and 38 ℃, and the relative humidity of the air shall not exceed 75%; Leave for more than 24 hours. In addition, the main reasons for PVC floor bulging are the ground foundation, selection of auxiliary materials, climate, temperature, and construction control. The problem of PVC floor bulging can generally be divided into the following reasons.
If the self leveling is not completely dry, the PVC floor will inevitably bulge in the future (usually dry thoroughly in seven days); And according to international standards, after self leveling treatment, the ground needs to be polished again to ensure its flatness. Unfinished, uneven or dusty self leveling ground treatment can also easily cause floor swelling.
In the construction of PVC sports floor adhesive bonding, whether the adhesive is dry can also affect whether the floor is bulging. Generally, the best construction time is to place the board after the adhesive is not sticky.
An uneven foundation ground can lead to uneven welding of the floor. Over time, the floor is prone to cracking and can also cause floor swelling.
Expansion joint on the cement floor will also lead to moisture accumulation on the ground, long-term damp and floor bulge.
Auxiliary materials are crucial in the construction of PVC flooring, and different processes, specifications, and grades of PVC flooring have different requirements for auxiliary materials; The requirements for PVC flooring accessories vary depending on the usage location, construction site and environment, season and climate. For example, the cement floor needs to be constructed with Double-sided tape to ensure a firmer construction; When PVC sports floor is paved on the wooden floor, Double-sided tape is not suitable, but single-sided adhesive is required for bonding. The reason is that the wooden floor itself is most vulnerable to moisture and Thermal expansion. Bonding of Double-sided tape will lead to the corresponding opening, displacement and bulge of PVC sports floor.
Non standardized construction is also one of the most direct influencing factors leading to floor bulges. In the process of floor construction, if the floor is not straightened, uneven, slightly slotted or misaligned, it will lay hidden dangers for floor bulging. After long-term exercise use, the phenomenon of floor swelling will occur sooner or later.
Take the badminton field as an example. Due to the sinking of the badminton net column and long-term vigorous exercise, the movement areas on both sides of the floor will slightly bulge towards the middle net column area, accumulating air over time, and also causing the floor to bulge under the action of air. In this case, the floor on one side of the net column can be flipped up and supported by a cylinder. After a night of deflation and straightening, the problem can be solved through normal construction.
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