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| It should be less than or equal to the distance between the keel of 350mm.Keel neat, keel to be solid, not loose.The application of decay resistance of wood keel (width > 35mm), the high quality of multi-layer plywood with plates or needles. The floor in a layer of the keel, floor should adopt the multi-layer plywood joinery board of environmental protection or environmental protection. Less than 600x600mm should be cutting into the floor, between the floor, the floor and the gap should be left around 5-10mm.Bottom keel strong connection with spiral nail. The floor lay a layer of moisture-proof film, the connecting point of moisture-proof film with a 65mm-foot-wide plastic tape, and ensure that there is no air. On top of the bottom floor, The floor should be based on the floor between the expansion of tree species, width of the floor, the floor of the actual moisture content and the slot reserved for the scientific and reasonable equilibrium moisture content in various regions. " outdoor privacy screens with morals for fencing , prefab wood fence panels cost , flame retardant wpc producer , wpc decking supplier in malaysia "
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