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  • 2.

    Bonding agent: USG Plaster Bonder.

  • 3.

    Plaster base coat: Ready-mixed material., mill-

prepared, high-strength gypsum veneer plaster for two- coat application. Acceptable product: Equivalent to DIAMOND Basecoat by USG.

  • 4.

    Plaster finish coat: Ready-mixed material.

  • 1.

    Smooth trowel finish: Add water in accordance

with manufacturer's instructions. Acceptable product: Equivalent to IMPERIAL Finish by USG.

***************************************OR*****************************************************************

    • 2.

      Float finish: Add water and aggregate in accordance with manufacturer's instructions. Acceptable product: Equivalent to DIAMOND Interior Finish by USG.

  • 3.

    METAL FRAMING AND FURRING MATERIALS

  • 1.

    Shaft Wall Supports:

  • 1.

    Conform to ASTM A446, Grade A, with G40 hot-dip galvanized

coating per ASTM A525.

  • 2.

    Studs:

    • 1.

      Shape: "CH", "J" or "E" or as standard with manufacturer.

    • 2.

      Gage: As required to fulfill performance criteria, minimum 25 gage.

Provide 20 gage for jamb and lintel components.

    • 3.

      Size: As indicated.

    • 4.

      J runners: 24 gage, size as required for coordination with studs.

    • 5.

      Jamb struts: 20 gage with 3 inch back leg for use at elevator frames.

  • 3.

    Resilient Channels: Manufacturer's standard type designed to reduce sound

transmission; ½ inch deep, 25 gage steel with G40 hot-dip galvanized coating per ASTM A525.

  • 4.

    ACCESSORIES

    • 1.

      Metal Trim for Gypsum Board:

      • 1.

        Conform to profile and dimensions indicated.

      • 2.

        Material for interior Work: Galvanized steel, 26 gage minimum.

      • 3.

        Corner beads: Equivalent to Dur-A-Bead No. 103 [104] [800] [900] by

USG.

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