Why does the solid wood composite floor change col

2022-07-22
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The discoloration of wood is mainly caused by the absorption of ultraviolet light. The discoloration degree of sapwood and heartwood of wood after absorption of ultraviolet light is different, which will lead to a certain color difference in the paved floor. The surface layer of multi-layer solid wood composite floor is natural wood, which has the natural properties of wood. The light discoloration is a normal phenomenon, not a product quality problem

the discoloration of wood is mainly caused by the absorption of ultraviolet light. The discoloration degree of sapwood and heartwood of wood after absorption of ultraviolet light is different, which will lead to a certain color difference in the paved floor. The surface layer of multi-layer solid wood composite floor is natural wood, which has the natural properties of wood. The light discoloration is a normal phenomenon, not a product quality problem. The discoloration reaction of most woods changes from shallow to deep, and only a few woods change from deep to shallow. The discoloration on the same floor is basically the same. Therefore, the paved floor should not be exposed to the sun for a long time, and appropriate shading measures should be taken

influence of external factors:

at present, most of the complaints received by our station are in geothermal environment, except for normal photochromism. Before the geothermal floor is paved, the moisture content of most floors is about 20%. During the floor paving process, due to the damage of the moisture-proof film, a large amount of moisture rushes into the floor from the damaged place during the geothermal heating, resulting in a sharp increase in the moisture content of the floor, the dissolution of some soluble substances in the wood and the role of some color changing bacteria, resulting in the exhaustion or blue change of the wood. In some cases, in wet areas such as toilets and kitchens, the influence of external moisture will also lead to local floor discoloration

the discoloration of the above floors occurs in the damp part of the floor. The interface between the discolored area and the non discolored area is very obvious, and it is continuously distributed among several floors. Causes:

1. The ground is uneven, with uneven small pits. After the floor is paved, the moisture-proof film is broken, causing ventilation. The measures to be taken are to scrape the ground before installing the floor

2. When paving, there are sand particles on the ground, which are not cleaned up, and the moisture-proof film is broken, resulting in ventilation. The measure is to clean the ground before paving

3. The moisture-proof membrane joint is not tightly adhered during paving, resulting in air permeability. The moisture-proof film should be tightly adhered with tape, preferably with plastic tape with a width of more than 60mm to ensure that the moisture-proof film is airtight

4. Electric heating is used in some areas. Because the electricity charge adopts peak, valley and flat charging methods, that is, after 12 p.m., the electricity charge is half price (Valley), many users turn off the switch in the daytime, turn on the electric heating equipment after 12 p.m., and adjust the indoor temperature to 27 ~ 30 ℃, and the surface temperature reaches nearly 100 ℃ in a short time, causing damage to the moisture-proof membrane, ventilation and discoloration and deformation of the floor. This violates the requirements of geothermal heating (the surface temperature is controlled at about 40 ℃). It is suggested that the user should change to 24-hour continuous heating, otherwise, the user should be responsible for the discoloration

5. When the floor is paved to the connection with the wet interface, such as the toilet, kitchen, shaded balcony, etc., the moisture-proof film should be returned upward, and the edge of the floor should be wrapped with the moisture-proof film to prevent moisture from entering, and reduce and avoid the discoloration and deformation of the floor in this area

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