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XINYUAN flooring is best applied by nailing, stapling, or gluing the planks to a wood sub-floor. Gluing directly to a concrete slab may be done at or above grade. Flooring should be allowed to acclimate on site three (3) days. The acclimation period should be at expected normal room temperature and humidity levels before and after installation. Damp or cold conditions before installation should be avoided. The difference in moisture content between the sub-floor and the flooring should be no greater than 3 percent. Humidity levels should remain between 40% and 60%.
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Wood sub-flooring surfaces must be clean, dry, and if gluing the flooring, free of contaminants that would interfere with an adhesive bond. Sub-floor or underlayment nailing surface also must be level and smooth prior to installation of flooring. Tolerance should be flat to within 3/16" in 10' or 1/8" in 6'. High spots should be sanded flat. For optimal installation, we recommend 3/4 inch CDX plywood as nailing substrate or for a glue application. Or use 5/8" CDX ply for 12 inch on center and 16 inch on center floors, and 3/4 inch CDX ply for 24 inch on center floors. Optimum subfloor is 1-1/8" plywood over joists at 16 inches on center. Concrete sub-floors must be tested for moisture and a vapor retarder such as 6 mil polyethylene film should be placed in crawl spaces. We recommend using the Calcium Chloride Test Method. Flooring must not be installed if vapor pressure exceeds 3 lbs. per 1000 square feet in 24 hours. Concrete should be checked for flatness prior to installation and low spots and voids filled to a minimum of 3/16" in a 10 foot radius or 1/8" in a 6 foot radius, and high spots ground to surface. Surface must be smooth and free of debris, oils, grease and solvents. Slabs younger than 60 days are generally too wet for flooring installations.
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Flooring should be square with the space and run perpendicular to the joists. Leave 1/2 to 3/4 inch expansion space from base plate or wall. Starter rows should be held firmly in place by wedging or blind nailing. Once starter rows are secure, additional rows should be blind nailed directly above the tongue at a 45-50 degree angle to the face. Fasteners should be spaced at 10 to 12 inch intervals per plank. Nails or cleats should not be placed closer than 6 inches from the end of planks to prevent splitting.
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If the glue down application is the method chosen, we recommend using a premium wood flooring adhesive . Flooring should be square with the space and run perpendicular to the joists. Leave 1/2 to 3/4 inch expansion space from base plate or wall. Starter rows should be held firmly in place by wedging or blind nailing. Once starter rows are secure, use adhesive in a Wet-Lay or Walk-on-Work method of installation.
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Apply adhesive to sub-floor with suitable trowel. Immediately place flooring onto "wet" adhesive.
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Apply adhesive to sub-floor with suitable trowel and allow it to develop tack (may take an hour or more depending on temperature and humidity). Install flooring onto "tacky" adhesive. Immediately roll finished installation with 150# roller. Room, flooring and adhesive should be conditioned at room temperature for 72 hours before and after installation.
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Vacuum or sweep to remove dirt and grit prior to cleaning your floor.
When a spill occurs, soak up the bulk liquid promptly.
Use area rugs in high traffic areas.
Install wood guards on the feet of furniture.
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