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Sample Specifications for Rosco Subfloor System – - page 7 / 8

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    • 3.2

      PREPARATION

      • A.

        Grind high spots and fill low spots on concrete substrates to remove ridges, irregularities and roughness substrates with a maximum 1/8 inch deviation in any direction when checked with a 10 foot straight edge.

    • 1.

      Use trowelable leveling and patching compounds, according to manufacturers written instructions, to fill cracks, holes, and depressions in substrates.

  • B.

    Remove substrate coatings including but not limited to paint, soap, wax, oil, grease, silicone, solvents, adhesives, adhesive removers, alkaline salts, laitance, dust, mold, mildew, curing compounds, sealers, hardeners, and other contaminants.

    • 1.

      Shot blasting, grinding, honing, scraping, brushing, vacuuming, and other means or combination of methods may be required.

  • C.

    Broom and vacuum clean substrates to be covered immediately before product installation. After cleaning, examine substrates for moisture, alkaline salts, carbonation or dust. Proceed with installation only after unsatisfactory conditions have been corrected.

    • 3.3

      INSTALLATION

      • A.

        General: Install in accordance with manufacturer’s recommendations

    • 1.

      Install flooring only after all finishing operations, including painting,

have been completed and permanent heating system is operating. Moisture content of substrates, building air temperature and relative humidity must be within limits recommended by flooring manufacturer.

  • B.

    Cover substrate with vapor retarding membrane, overlap seams 6 inches and tape. Extend membrane approximately 6 inches up the walls

  • C.

    Subfloor Assembly for semi-permanent installation: Install subfloor assembly in accordance with manufacturer’s written instructions, and as follows.

  • 1.

    Install Rosco Subfloor Panels keeping the assembly centered in the room in both directions.

  • 2.

    Cut Customizing panels to fit between the wall and installed Subfloor Panels, keeping the Customizing Panels back from the wall by 4”.

Specialty Dance / Performance Floor Assemblies

Section 09646

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