Smell smell: smell the floor through the smell of the substrate interface can also identify the quality of the substrate substrate, the good floor smells fresh wood, not pungent, not dazzling; Tears of the situation.
Some low-grade flooring will add flavor, if you smell the smell of flavor when the flavor, the choice must pay attention to. 4, weigh the weight: the same volume of the substrate, good than bad to sink a lot. 5, check cross-section: from the edge of the internal substrate, high density of the substrate looks very fine.
Good substrate feels very smooth, flat, no grainy, poor feel very rough, cut the wood floor, a good floor cross-section distribution is very uniform, do not see the obvious distribution. 6, to see manufacturers: large manufacturers use high-weight air compressor, the amount of plastic is relatively small, environmental protection is more secure. Small manufacturers are the opposite.
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composite patio decking
Identification of floor substrate
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