After the summer, gradually increasing, the humidity of the air increased, and complaints about the collapse of the multi-layer parquet and the lacquer-locked composite floor (MDF as the substrate) are also increasing. According to the on-site situation of the complaint, the following factors are mainly : 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, and the impact force is too large and uneven when the floor is installed, causing the partial edge paint film to fall off in a zigzag manner. 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.
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1. Product production factors
After the multi-layer parquet and the lacquer-locked composite floor (MDF is the substrate) are opened, during the roll coating or the coating process, the paint overflows to the floor of the floor, and the actual width of the film is greater than that of the floor. The width of the surface layer creates a hidden danger for the floor collapse. The more the paint overflows, the greater the chance of 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 standards, 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
In addition, when using the keel to install the multi-layer parquet, some people put the nail on the tongue. Since the nail cap does not sink into the tongue, when the next floor is installed, it appears on the surface of the tongue. The convex small bag will collapse at the edge of the small bag when it is serious. 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 not flat, after the floor is paved, there is a gap between the floor and the ground in some places. During the walking process, the floor moves up and down, and the sides between the floors rub against each other to cause collapse. 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. Insufficient reserved gaps around the floor
When the floor is paved, there is insufficient gap in the surrounding area to cause the floor to erect. There is a gap between the floor and the ground. During the walking process, the floor moves up and down, and the sides between the floors rub against each other to cause collapse. It is characterized by the fact that the collapse of the floor occurs after a period of paving, in areas where people often move, and there are many points, and the floor and the wall are observed to be in close contact. Take measures to leave enough gaps around the floor, especially in areas such as doorways, kitchens, balconies, etc., to ensure a uniform gap. When the paving length exceeds 8m, it should be partitioned and bridged.
5, moisture-proof membrane ventilation
After the floor is paved, the moisture-proof film joints are not sealed with tape. The moisture-proof film in some places is damaged during the paving process, causing the ground moisture to leak. A large amount of moisture penetrates into the back of the floor, and the floor is unevenly expanded, causing the floor to deform. Slight distortion, creating a gap between the floor and the ground in the local area. During the walking process, the floor moves up and down, and the sides between the floors rub against each other to cause collapse. It is characterized by a gap between the wall and the floor. Take measures before the floor is paved, the moisture-proof membrane joint must be sealed with tape to ensure airtightness.
6, indoor furniture (heavy objects) symmetrically placed
After the floor is paved, because the heavier items such as furniture, bookcases and fish tanks are placed symmetrically on both sides of the room, the floor is pressed, hindering the moisture absorption of the floor, and the floor cannot be shaken, resulting in a regional bulge, during the movement of people. This caused the floor to collapse in the area. Take measures to place the heavy objects on one side as much as possible to ensure that the side of the floor moves freely.