1. “Where is the floor suitable for floor heating?â€
“Your floor can be used to heat the floor?†The guide replied: “There is absolutely no problem, the floor for geothermal.†Almost every floor sells such a very positive answer, and also takes out user examples, and some also take out tests. Report, so consumers feel, "Where the floor should be used to warm the floor." Do not know that the application of floor heating to meet four major elements: floor heating conductivity, dimensional stability, anti-fouling environmental protection, durability. The flooring industry is developing floor standards to quantify the four elements, and to develop quality inspection specifications for floor laying and warranty periods, so that the technical indicators for laying and maintenance are also quantified.
2. “Is the name of the dedicated geothermal floor right?â€
In the current floor circulation market, the floor for floor heating is not only a wide variety, but also the name is more chaotic: such as "heat-resistant floor", "resistance to geothermal floor", "ground heat-resistant floor", etc., the most called "heating floor" “Ground heating floorâ€, “heat-resistant floorâ€, “geothermal floorâ€, “dedicated floor heating floorâ€, etc., we think that some names are unscientific, and some names do not seem to be appropriate. At present, especially the ground radiant heating system is in the early stage of development, the name must be Standardization, it should be said: "floor heating floor" should be defined as: suitable for the ground floor radiant heating system laying wooden floor, and through the board to the room to transfer heat.
3. "The thicker the floor, the more insulation?"
The thickness of the wooden floor is a factor in determining whether the foot feels comfortable, so many consumers require a thickness of 15-18 mm when purchasing the floor, especially when purchasing solid wood, multi-layer solid wood flooring or bamboo flooring. Therefore, when purchasing floor heating, they also use this method to select, but it is not known that wood is a poor conductor, usually the thermal conductivity of wood material is between 0.17-0.34, and the water is 0.5. If the thickness of the floor is too thick, it is even more detrimental to the conduction of heat through the floor to the surface of the board, and it is consumed in the conduction process. As for the heat preservation, the temperature difference between the upper and lower floors is very large, which will inevitably lead to a large deformation of the floor. "The thermal expansion and contraction" and "swelling and shrinking" will cause the floor to be scooped, twisted, bent and cracked, and the dimensional stability cannot be guaranteed.
4. “Is the geothermal heating floor specification too wide?â€
Now consumers buy solid wood flooring for the comfort of life, and second, to show their identity. Therefore, when purchasing, it is often preferred to select those with larger specifications, especially in the width direction, and some can reach 180mm. Such a width, in the daily floor covering experts do not recommend the user to buy, so as to avoid the seams due to the swelling and shrinking of the floor, not to mention the fact that in the case of heating the floor, because the water is emitted faster, it is even more It is prone to the phenomenon that the floor is separated from the seam. Therefore, experts recommend that consumers should not buy oversized floors when purchasing geothermal heating floors.
5. “Is the floor mat with aluminum film dedicated to floor heating?â€
This is the most typical misleading. Practice has long proved that in the ground-radiation heating system, the heat transfer is mainly radiation, followed by convection, and finally conduction. If the aluminum foil is covered on the heat-dissipating ground, the anti-radiation is formed, and the surface temperature is the same while maintaining the floor heating temperature. Under the foam pad with aluminum film, the thermal resistance is large, while the ordinary foam pad has small thermal resistance. Obviously, the ordinary foam pad has better heat conduction effect than the foam pad with aluminum film, and is more favorable for heat conduction from the floor to the living room. Therefore, when purchasing the floor heating, the user should choose a material cushion with small heat resistance, moisture resistance and corrosion resistance.
6. “Can I add plywood or blockboard under the floor?â€
First of all, the laying of plywood or blockboard under the geothermal heating floor is not conducive to the conduction of heat, which in turn causes the heat to increase in the conduction process, increasing the heating cost of the geothermal heating system. Secondly, if the quality of the purchased plates is not enough, it will lead to excessive formaldehyde content in the room, or because the moisture content is not up to standard, the moisture will be absorbed by the floor after laying, which will cause the floor to change and arch, and This substrate board has many disadvantages, and it can be said that it is self-defeating and it is a superfluous addition! It is not allowed to lay a floor under the floor.
7. “Can I only suspend the laying method?â€
Due to the special structure of the geothermal heating system, the concrete floor cannot be nailed when paving the floor. Therefore, most of the pavements of geothermal flooring have long been recognized as suspension laying methods. In fact, with the continuous advancement of technology, there are two other methods of laying: floor bonding and keel laying. Recently, there has been a kind of fast-opening keel. This keel is paved without nails. The keel can be directly fixed on the concrete floor with glue, and then the keel is fastened to fix the floor on the keel. This not only increases the feel of the floor, but also allows space to convect the air up and down due to the space between the keels, which is conducive to the circulation of heat, and makes the floor more evenly heated, with less deformation and higher thermal efficiency. This is the recommended method of laying the current value.
8. Flooring is not finished.
After the geothermal heating floor is installed, in addition to the routine acceptance, the most important thing is to check the temperature of the floor. After the floor is laid, or after entering the winter, the temperature should be slowly increased when the floor heating system is warmed up for the first time. When the base floor is heated to 25 ° C, it should be kept at a constant temperature of 12-24 hours. After that, slowly increase the temperature to 1 °C / h to the required indoor temperature (14-22 ° C), the temperature should not be too high, the wooden floor surface temperature should be ≤ 28 ° C. In a short time, the limit temperature ≤ 32 ° C, the higher the temperature, the thermal energy loss is too large, the shorter the thermal system life, easy to occur hidden danger, and the floor is prone to scoop, twist, bend, crack and other deformation.
9. The floor covering is not finished with environmental protection.
Since the floor used as the floor heating system is mostly composite floor (solid wood composite, reinforced and bamboo wood floor), it has the problem of formaldehyde emission, and when it is used as a geothermal floor, after heating, the formaldehyde is more played. freed. Therefore, after the geothermal heating floor is paved, it must be checked for environmental protection to ensure that the release of free formaldehyde reaches the standard (1.5mg/L national standard). In order to make the floor work normally, it must be done two times when purchasing. Point: 1 before the floor heating floor should be used for environmental testing, the general test is free, the treatment should be charged, and then tested for environmental protection. 2 Floor and accessories environmental indicators must meet the standards. You can't buy cheap bargains that are not environmentally friendly, or you will endless troubles!
10. Place a legless combination of furniture or carpet on the floor to destroy the floor cooling surface.
With the continuous improvement of the living standards of modern people, people are increasingly pursuing individualization for home decoration, so many personalized assembly furniture have emerged, which can be assembled according to the owner's preferences. However, these pieces of furniture are often legless furniture with the bottom layer directly in contact with the ground. If the interior of the room is covered by geothermal heating floor, the furniture and carpet will be covered directly by the floor, which will make the floor unable to dissipate due to heat, and the floor will be unevenly heated, resulting in deformation of the floor. Waste heat energy to lower the temperature of the living room.
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