Saineng floor heating
"I recently planned to buy wooden floors . When I went to the mall to buy, I found that some wooden floors were affixed with the words" special for underfloor heating . "The shopping guide said that if the floor is heated at home , this type of wooden floor should be affixed. Is there such a wooden floor ? "Recently, reader Ms. Qiu called to consult.
In the past two years, underfloor heating has risen rapidly. A reporter from the China Business Daily visited the market and saw some wooden floor stores with the label "special for underfloor heating." What are the requirements? In response to this question, Sinengdi Heating conducted a field interview.
Multi-layer solid wood flooring can be truly "" special for floor heating "only after special treatment
The traditional wooden floors are mainly laminate flooring, solid wood composite flooring and solid wood flooring, which can meet the requirements of paving. In recent years, floor heating has become an important heating method, and floor heating requires high moisture content and stability of the floor. Therefore, multi-layer solid wood flooring has become the first choice for floor heating. Multi-layer solid wood is stable in performance due to its cross-staggered "Tic Tac Toe" structure, and it has thermal expansion and contraction expansion joints. It overcomes the shortcomings of natural materials that are easily deformed and is frequently used in geothermal heating and decoration.
According to Wang Jin, general manager of Jiuya Flooring, although there are no special geothermal plates on the market, from the perspective of the characteristics of radiant heat, the floor heating floor must have three characteristics: good stability, resistance to deformation, good thermal conductivity, and wood moisture The rate should be low. From these three points of view, the multi-layer solid wood floor is the most suitable.
Pure wood is grown from original wood, and the wood texture and structure are in one direction. The moisture content is not easy to control, and it is easy to deform after long-term high-temperature roasting. The reinforced composite board is a density board. The higher the density, the better the thermal conductivity. It is an artificially constructed board that is easy to swell and shrink. And the multi-layer solid wood board wood fibers are staggered horizontally and vertically, and each other is superimposed, and the internal force is not easy to deform when pulled by each other. The moisture content of the material is below 12%, the expansion rate is low, the performance is stable, and it is suitable for the drier climate in the northwest region.
Although multi-layer solid wood floors can be used for radiant heat, some special treatments must be done to truly label them as "special for floor heating". For example, the surface of the board and paint should be anti-aging treatment to prevent the paint from discoloring and the wood cracking in high temperature.
Floor heating floor thickness should be between 12-15 mm
A reporter from the China Business Daily visited the market and found that there are 3, 5 or even 7 layers of multi-layer solid wood flooring, and the thickness is not very different for different layers. Can these multi-layer solid wood floors of different thicknesses be used for radiant heat?
Filinger store shopping guide Zhang Yan introduced: "Floor heating transfers heat energy at low temperatures, and the wood fiber holes have an insulation effect. Therefore, the floor should not be too thick." Zhang Yan said, "Generally, consumers will think that the thicker the floor Good, but for underfloor heating floors, "should be thinner than thicker." After all, wood itself is a poor temperature conductor, there will be losses in the process of heat conduction, when the thickness exceeds 15 mm, the heat energy is difficult to reach the surface . But the thickness should not be less than 12 mm, because the temperature of the floor heating pipeline will be as high as 40 ℃ or more, and the wood is too thin and easy to crack and deform. "
It is understood that in order to effectively conduct heat and prevent the temperature of the back of the floor from being too high, the floor heating special floor will open a heat conduction groove behind the wooden board, which is conducive to the flow of hot air and helps the wooden floor to conduct heat. In order to achieve uniform heating of the ground, not only the thickness of the floor must be well grasped, but the construction ground must be dry and smooth when paving, which meets the national or local building acceptance standards. The flatter the ground is, the better the thermal conductivity is. At the same time, there should be expansion joints when paving to prevent the floor from swelling and shrinking. Before laying the floor heating, the selected moisture-proof pad should not be too thick, preferably within 3 mm, too thick will hinder heat conduction.
Floor heating installation without glue
Easy to disassemble and more environmentally friendly
The home shopping guide introduced that in the presence of underfloor heating, consumers are not only worried about the damage to the wooden floor material, but also worried that the high temperature baking will increase the formaldehyde content. Therefore, the floor heating floor is designed with a special lock to distinguish it from ordinary wood floors. Wood has the characteristics of thermal expansion and contraction. Some wooden floors will be pasted with special glue when paving, but the floor heating temperature itself is higher, and the use of glue will release harmful gases. Therefore, the underfloor heating wooden floor will use the locking technology, interlocking to increase the pulling force, without applying glue, will not release harmful gases, health and environmental protection, and convenient disassembly.
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