Analyze why the parquet will be collapsed after paving?

The complaints about the collapse of multi-layer parquet and lacquer-locked composite flooring (MDF as the substrate) are also increasing. According to the on-site situation of the complaint, there are mainly the following factors:

1 Product production factors

Multi-layer solid wood composite flooring and lacquer-locked composite flooring (MDF is the base material) After the opening of the enamel, in the process of roll coating or shower coating, the paint overflows to the floor. At the mouth, the actual width of the paint film is greater than the width of the surface layer of the floor, which creates a hidden danger for the floor collapse. The more the paint overflows, the greater the chance of the floor collapse. For the production process of painting after first opening, the phenomenon of paint spillage is unavoidable. Although it cannot be judged as a quality problem according to the corresponding product standard, we must attach great importance to it and take measures to minimize the thickness of each painting, especially It is more important to spray, to minimize paint spillage.

2, installation factors

due to the tightness of the floor of the floor or the slight bending of the floor, the installation resistance of the floor is large, the knocking force is too large when the floor is installed Uneven, causing the local edge paint film to appear jagged. Its characteristics are that it can be found after installation, irregular random distribution, and the number of occurrences is small. Take the measure by using a floor head as the module against the floor to be installed, then gently tapping the module with a rubber hammer to make the floor close to each other, and the stroke process should be evenly applied.

In addition, when using the keel to install multi-layer parquet, some people put the nail on the tongue, because the nail cap does not sink into the tongue, when the next floor is installed, the tongue is hit A convex small bag appears on the surface of the nail, and in the case of seriousness, a chipping phenomenon occurs at the edge of the small bag. It is characterized by the fact that the chipping can be found after installation, with a regular distribution and a small number of occurrences. Take measures to nail the side of the gutter when installing the floor.

3, the ground is uneven

Because the ground is uneven, after the floor is paved, there is a gap between the floor and the ground in some places, people move around, the floor moves up and down, the floor The sides between them rub against each other to cause chipping. It is characterized by the fact that after the floor is paved, the collapse occurs in the area where people often move, and it is partial.

Take measures to measure the flatness of the ground before the floor is paved. The flatness should be less than 3mm/2000mm. If the ground is not qualified, it should be leveled before paving.

4, the gaps in the surrounding space when the floor is paved is insufficient

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