and then touch, feel the formation

tighten the tongue and groove, observe the tongue and groove combination is tight, and then touch, feel the formation. Pick up the assembled multi-storey parquet in the hands of Akira, to see if it is loose, if the level of the more prominent feel and loose phenomenon, indicating that the product failed. (1.5mg / L) will be harmful to the human body, in the purchase of the most appropriate choice of the national environmental protection (environmental protection), the use of environmentally friendly wood flooring contains a certain amount of formaldehyde, Logo products or Mianjian products. Do not believe that shopping guide "zero formaldehyde" argument, the most reliable approach is to require environmental certificates, inspection reports and other proof materials. 2, the wear-resistant coefficient of reinforced composite floor to suppress the surface of the wear-resistant agent for the aluminum oxide. The content of aluminum oxide and the thickness of the film determine the number of revolutions. Content and the greater the degree of film, the higher the number of rotations, the more wear-resistant, the longer the life of the floor use. The number of wear on the market is ?? 6000 turn to strengthen the composite floor, best outdoor deck tile wood
level a sloped concrete floor
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