Selection criteria for geothermal floor "three fronts and three rears"
"Geothermal floor" has standards
As to whether the "geothermal floor" flooded by the market belongs to the concept of hype, he introduced that the country has a clear definition of geothermal floor: the wooden floor laid on the floor heating system. Generally, the hot floor is divided into three categories, including laminate flooring for floor heating, solid wood laminate for floor heating, and other types of wood flooring for floor heating. The environmental protection grade of geothermal floor formaldehyde emission is divided into E0 and E1 two grade standards, of which E0 means formaldehyde content ≤ 0.5mg / L, E1 means formaldehyde content ≤ 1.5mg / L.
Geothermal floor professional originated from service
"Top three and three" selected geothermal floor
For the price of geothermal floor, the price of laminate flooring for geothermal is generally around 130 yuan / square meter, while the price of solid wood composite flooring for geothermal is generally above 170 yuan / square meter. When purchasing geothermal floor, consumers can purchase according to the "first three after three" method.
The “first three†refers to the characteristics of the three aspects of the geothermal floor itself: high-efficiency heat conduction, non-deformation, and environmental protection. The thermal conductivity requirement of the national standard of geothermal floor is ≥8°C/H. If the thermal conductivity index of the product is larger than this value, the better the thermal conductivity is. The national standard of geothermal floor requires expansion ratio ≤0.2%, and the long floor shrinkage rate. ≤0.3%, the width shrinkage of the floor is ≤0.4%. The smaller the relevant data above, the better the stability of the product is, and it is not easy to be deformed. In addition, the environmental protection requirements are at least E1; the “first three†data consumers can pass The floor quality inspection report is used for comparison.
“The last three†refers to three problems that consumers will encounter after purchasing the floor: first, the accessories for geothermal floor; second, installation; third, quality assurance and after-sales maintenance. Since geothermal excipients are also subject to changes in temperature and humidity, fittings with good thermal conductivity will affect the better use of the floor; while the installation of the floor will involve more problems, generally reflected in the treatment of ground moisture and the flatness of the ground. Treatment, treatment of ground moisture, treatment of floor expansion, floor connection treatment, processing of accessories, professional treatment; quality assurance and after-sales, the more clear and affordable the business is, the better, but no matter how specific, consumers must Be aware of the after-sales service you enjoy.
Frequently asked questions caused by improper laying
1. Damp drum kit at the floor joint
Due to the relatively large temperature change of the geothermal ground, in the process of heating, the moisture on the ground easily breaks into the floor. If the floor connection is improperly handled, the damp bulging at the joint will occur.
There are two kinds of correct treatment methods. One is non-adhesive treatment. When laying in a place prone to moisture, it should be waterproof or water-repellent at the interface to ensure no water leakage or water seepage. The other is glue treatment and glue. Should be continuous, even, and appropriate amount on the seams of the floor and fill, and then put the floor together, a little glue must appear on the seams. Only when the glue is correct, the floor can withstand the shock and water impregnation.
2, the floor expansion and contraction caused by the seam, arching
If the expansion joints are not handled well during the laying process, the floor will undergo problems such as seaming and arching after thermal expansion and contraction.
The correct treatment method is to require 8-12 mm expansion joints around the floor. The size of the expansion joints is determined according to the area of ​​the room. The expansion joints of the floor should be neat, and the expansion joints of the floor must be adjusted with wooden wedges of adjustable width. to make sure. If there are obstacles such as risers on the ground, 12-14 mm expansion joints must be left between the floor and fixed objects such as wall edges, columns, and water pipes. For every 8 m of floor laying length or misalignment between rooms, halls and halls, the floor must be cut, leaving expansion joints and flat transition strips.
Concerned about surprises
Label: Selection criteria for geothermal floor "three fronts and three rears"
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