Reasons for cracks in laminate flooring

2022-07-22
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The excessive gap between boards is caused by the dry shrinkage and wet expansion of the floor. In terms of quality, it is caused by improper control of moisture content of the product itself. In addition, uneven ground, poor lock combination, uneven sizing, etc. are also easy to cause such problems

the excessive gap between plates is caused by the dry shrinkage and wet expansion of the floor. In terms of quality, it is caused by improper control of moisture content of the product itself. In addition, uneven ground, poor lock combination, uneven sizing, etc. are also easy to cause such problems

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1 Types of seams:

common seams generally include the following situations: triangular seams appear at the end of the floor, triangular seams appear at the end and the side at the same time, or there are cracks at the side at the same time, and they are irregularly distributed in the room

2. Cause:

(1) unilateral expansion caused by ventilation at the joint of the moisture-proof film

when installing the laminate floor, the joint of the moisture-proof film is not tightly adhered with waterproof tape, one side of the floor is above the moisture-proof film, and one side is at the joint of the moisture-proof film. Because the joint of the moisture-proof film is not tightly adhered with waterproof tape, the moisture rushes in, causing the side of the floor to become longer, and the length of the two long sides of the floor is different, resulting in triangular joints at the end of the floor. The characteristics of this situation are:

a) there is no triangle seam after the floor is installed, which occurs after a period of use

b) the moisture content on both sides of the floor strip is inconsistent, and the difference is generally more than 2%

c) after the floor is disassembled, it can be seen that the moisture-proof film is not tightly adhered with waterproof tape

such problems account for a considerable proportion of complaints in the triangular gap of the floor. The moisture-proof film must be tightly adhered with waterproof tape to ensure airtightness and avoid problems

(2) installation quality problems

during floor installation, due to uneven force during installation, triangular gaps are generated on the floor. Tension in the direction of the arrow can eliminate triangular gaps and side gaps. The characteristics of this kind of problem are:

there are triangular seams after the floor is installed

b) there is a gap on the side of the floor

after the floor is disassembled, the moisture-proof film has been tightly adhered with waterproof tape

d) triangle gap and side gap can be eliminated after the floor is tensioned

e) the ground is uneven. When you step on the floor with your feet, the floor vibrates up and down, and you feel very uncomfortable, accompanied by a squeak

(3) improper humidity control

when the room is unoccupied for a long time, if the indoor humidity is not adjusted in time, the floor will shrink and produce cracks or cambers

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