Why is there a triangular seam on the installed floor?

The triangular gap between the installed laminate flooring is a difficult problem for the after-sales service of the floor. It is also a kind of more common in the reinforcement of floor complaints. This kind of problem is sometimes generated during the installation process, and some are found during use. According to the identification and analysis of the results of these problems, the production process, installation process and improper use of the floor can lead to the creation of triangular seams. Among them, improper installation is still the main factor.

Floor complaints

There are triangular seams at the end of the floor, and some have only triangular seams at the ends. Some have not only triangular seams at the ends, but also gaps on the sides, which are irregularly distributed in the room.

We can define responsibility based on the characteristics of the gap and the state at the time:

1. Floor billet health is unreasonable

Before the floor is opened, the raw material of the floor should be treated for the purpose of balancing the moisture content of the blank, eliminating the stress of the blank and reducing the deformation of the floor. However, in the process of curing the floor blanks due to unreasonable stacking, the floor blanks on the outermost side of the slab may have a high moisture content on the one side (outside) and a low moisture content on the one side (inside). The quality inspector will not check the problem.

The geometric dimensions of the floor can meet the standard requirements. When the floor is placed in the user's use process or the floor is unpacked for a period of time, the floor absorbs water and rebalances, the side with high water content absorbs less water, and the amount of expansion is small; the side with low water content absorbs more water and has a large amount of expansion. As a result, the lengths of the two long sides of the floor are not equal, resulting in a triangular seam at the end of the floor. In severe cases, the floor will have a side bend.

Therefore, the floor blanks are more scientific when placed in a health condition, which can reduce or avoid such problems. The characteristics of the triangle caused by unreasonable health are as follows:

a) There is no triangular seam after the floor is installed, which occurs after a period of use;
b) testing the water content of both sides of the floor strip with triangular seams;
c) After the floor is disassembled, the moisture-proof film has been adhered with waterproof tape.

2. One-side expansion caused by ventilation at the moisture-proof membrane joint

When the laminate is installed, the joint of the moisture-proof film is not sticky with the waterproof tape. One side of the floor is above the moisture-proof film, and one side is at the junction of the moisture-proof film. Since the joint of the moisture-proof film is not adhered to by the waterproof tape, the moisture intrusion causes the side of the floor to become long, and the lengths of the two long sides of the floor are not equal, so that the floor end has a triangular seam. The characteristics of this situation are:

d) there is no triangular seam after the installation of the floor, which occurs after a period of use;
e) the moisture content on both sides of the floor strip is inconsistent, generally differing by more than 2%;
f) After the floor is disassembled, it can be seen that the moisture-proof film is not sticky with a waterproof tape.

Such problems occupy a considerable proportion of complaints in the floor triangle gap, and the moisture-proof film must be adhered with waterproof tape to ensure that it is airtight and can avoid problems.

3, improper use and maintenance

During the use of the floor, due to improper maintenance by the consumer, the wet mop is often used to wipe the floor, and moisture enters the floor from the side of the floor, causing the floor to expand on one side and the floor end to produce a triangular seam. This probability is rarely generated, its special features are:

a) There is no triangular seam after the floor is installed, which occurs after a period of use;
b) the water content of the floor is inconsistent;
c) After the floor is disassembled, the moisture-proof film has been adhered with waterproof tape;
d) Moisture enters the floor from the gap on one side of the floor, and the edge of the side plate has a warp edge.

4, installation quality

In the floor installation, due to the uneven force during installation, the floor has a triangular gap, and the triangle gap and the side gap can be eliminated by tightening in the direction of the arrow of FIG. The characteristics of this type of problem are:

a) There is a triangular seam after the floor is installed;
b) there is a gap on the side of the floor;
c) After the floor is disassembled, the moisture-proof film has been adhered with waterproof tape;
d) The triangular gap and the side gap can be eliminated after the floor is tightened.

5. The edge of the wall is not straight or the triangular gap caused by uneven gap is reserved.

Because the edge of the wall is not straight, there are some cement bumps or uneven gaps, and the floor is unevenly applied at the edge of the expansion process, resulting in a triangular gap. Its characteristics are:

a) There is no triangular seam after the floor is installed, which occurs after a period of use;
b) the triangular gap appears in the first or second line of the wall;
c) There are convex and concave edges on the wall, and there are gaps in the parts of the wall. Some parts have no gaps and are tightly packed.
Therefore, it is necessary to ensure that the reserved gap of the edge is uniform, and sufficient clearance is also ensured at the convex portion of the wall where the convex and concave are not straight.

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