The moldy floor is related to the installation and

2022-07-22
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Recently, Mr. Fan, a consumer, asked: my home has installed laminate flooring for less than a month. Recently, some floors have been mildewed, and they all appear at the fracture of the floor, especially the floors on both sides of the skirting line. I suspect there is a quality problem with the floor, and I ask for a new floor. The flooring dealer said that it has rained continuously in Beijing in the past month, the air humidity is high, and my home environment is relatively humid, which may be related to my home environment. I want to know what the reason is? If the environment in my home is humid, is it not suitable for installing wooden floors

◆ mold is indeed related to the environment

Wang Jun, an expert member of China forest products industry association and director of the forest products inspection center (Changchun) of the State Forestry Administration, said that the mold on the floor was caused by mold. The reproduction and growth of mold need a relatively humid environment and appropriate temperature, that is, mold, temperature and humidity. However, laminates have been hot pressed at high temperature in the production process, and there is no mold in the production process. Therefore, these three have nothing to do with floor quality

why is the floor moldy? Wang Jun explained that in a relatively dry environment, the mycelium of the mold drifted in the air. When the environment is humid and the temperature is appropriate, mold will grow in large numbers, leading to the mildew of the floor. Even if the floor substrate is environmentally friendly and harmless to human body, microorganisms can also breed on it and cause mildew

Wang Jun also pointed out that judging whether there are problems in the quality of flooring products depends on whether the products meet the requirements of product quality standards. The executive standard of laminate flooring is gb/t18102-2007. There are no bacterial inspection items and inspection methods in the inspection items of laminate flooring. Therefore, the mildew of the floor cannot be identified as a product quality problem

but Wang Jun also reminded that if businesses sell floors or publicize antibacterial floors in the product instructions, but moldy floors occur in the process of use, then businesses are misleading consumption, false publicity or suspected of fraud. Consumers can sue businesses through misleading consumption, false publicity and commercial fraud to claim their legitimate rights. He also reminded businesses to be cautious and accurate in using words in product publicity

◆ it is necessary to eliminate the installation reasons

“ Improper floor installation methods will also lead to mildew on the floor. Wang Jun introduced that according to the requirements of the wood floor paving, acceptance and use specifications, the damp ground or geothermal, the moisture-proof film (plastic film) joints under the floor should be overlapped by 20cm, sealed with tape, and returned more than 50mm above the wall, which can effectively control the moisture on the ground and the wall to cause harm to the edge of the floor. If the moisture-proof film is not sealed tightly and the edges do not return, it will directly cause moisture to enter the floor, increase the moisture content of the floor, and easily lead to moldy edges of the floor. If the mildew is caused by the failure to prevent moisture during the installation of the floor, the business still has to bear the corresponding responsibility

◆ improper use can also cause mold

as for whether the environment in the owner's home is suitable for installing wooden floors, Wang Jun pointed out that the use environment is changing. Even if the environment meets the requirements when the floor is installed, careless use in the later stage can also lead to changes in the environment. For example, people near the bathroom and kitchen will accidentally bring water to the floor. In addition, drying wet clothes in the room and mopping the floor with wet mops can also cause mildew

here, Wang Jun suggests that the owner should not keep opening windows in the rainy season with high humidity, which will cause too much indoor humidity. He can open windows for ventilation in sunny days, or turn on the air conditioner for dehumidification when the indoor is too wet

◆ there are ways to deal with moldy floors

in the plum rain season, moldy floor cracks do exist. In case of such problems, consumers can wipe off the mildew spots on the floor cracks with rags and oxalic acid, then dip the rags into boric acid and borax (1:1 saturated solution) or alcohol, screw the rags dry, and wipe them on the floor cracks for several times, which will kill the mold and reduce the chance of mildew

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