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1. Install control joints at junction of gypsum board partitions with walls or partitions of other finish material.

2. Install control joints within long runs of partitions, ceilings or soffits at approximately 30'-0" on center or as indicated.

    • 3.

      Where gypsum board is vertically continuous, as at stairwells, provide horizontal control joints at each floor level.

  • 3.

    Special Trim: Install as indicated on Drawings and in accordance with

manufacturer's instructions.

  • 7.

    FINISHING

  • 1.

    Provide levels of gypsum board finish for locations as follows, in accordance

with Gypsum Association GA 214, "Recommended Specification: Levels of Gypsum Board Finish".

1. Level 1: Ceiling plenum areas and concealed areas, except provide higher level of finish as required to comply with fire resistance ratings and acoustical ratings.

2. Level 2: Gypsum board substrate at tile [stone], except remove tool marks and ridges.

3. Level 4: Gypsum board surfaces, except where another finish level is indicated.

  • 4.

    Level 5: Where indicated.

  • 2.

    Interior Gypsum Board:

************************************************************************************************************

PREFILL ONLY EASED & TAPERED EDGE GYP BD; DELETE "PREFILL" SUB-PARAGRAPH IF EASED & TAPERED EDGE GYP BD IS NOT SELECTED

************************************************************************************************************

  • 1.

    Prefill:

  • 1.

    Use setting-type joint compound. Mix joint compound

according to manufacturer's directions.

2. Fill joints between boards flush to top of eased or beveled edge.

3. Fill joints of gypsum board above suspended ceilings in fire- rated partitions.

  • 4.

    Wipe off excess compound and allow compound to harden.

  • 2.

    Taping (Level 1):

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