moistureproof membrane coupling place with 65 mm wide plastic tape, ensure airtight composite deck furniture plans . 3, keel spacing between should be less than or equal to 350 mm. Flat keel requirements, keel wants firm, not loose. Keel application corrosion material (width is greater than 35 mm) plastic wood composite tongue groove , with a needle plate or high-quality multi-layer plywood. spread a layer of floor, the keel floor should adopt the joinery board of environmental protection or environmental multilayer plywood. 5, base plate should be sawing not more than 600 * 600 mm, base plate best flooring for an outside porch , between plate and the surrounding should leave 5-10 mm gap. Floor and keel with spiral nail connection is firm. spread a layer of floor moistureproof film i would like composite tongue and groove porch board , damp proof membrane coupling place with 65 mm wide plastic tape, ensure airtight.
