its impact resistance, water resistance, hardness and other properties are very good, it is the most commonly used substrate. Recent domestic and foreign manufacturers to deliver a high-water-resistant high-density fiberboard, which is more excellent water resistance, mainly used in humidity larger places. Such substrates often made of green, to show the difference.
According Mortise classification: rectangular tongue and groove flooring strips each have a tongue and groove all around the opening, installation, waterproof glue applied at the tongue and groove, flooring strips connected to the film, and prevent moisture from immersing the substrate side.
Tongue and groove are made rectangular, with good precision in order to ensure the accuracy of the assembly. Mortise heterosexual recent launch of several European manufacturers profiled tongue and groove (including mortise lock type double tongue and groove tongue and groove),
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