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DSS Skills Development Center Smith Sinnett / 2020045 <br />Chapel Hill, North Carolina Orange County <br /> <br />GYPSUM BOARD 09 29 00 - 4 <br />B. Reveal Molding <br />1. Where indicated on drawings, provide Fry Reglet Reveal Molding as manufactured by Fry Reglet <br />Corp. or equal shall be installed. Aluminum shall be extruded alloy 6063 T5, with chemical <br />conversion coating. Size 5/8” x 1/2”. <br />a. Reveal Molding - Product #DRM-625-50 where indicated on drawings. <br />b. “Z” Reveal Molding – Product #DRMZ-625-50 where indicated on drawings. <br />2.5 JOINT TREATMENT MATERIALS <br />A. General: Comply with ASTM C 475/C 475M. <br />B. Joint Tape: <br />1. Interior Gypsum Wallboard: Paper. <br />2. Glass-Mat Gypsum Sheathing Board: 10-by-10 glass mesh. <br />C. Joint Compound for Interior Gypsum Wallboard (EXCEPT SHOWER ROOMS): For each coat use <br />formulation that is compatible with other compounds applied on previous or for successive coats. <br />1. Prefilling: At open joints, rounded or beveled panel edges, and damaged surface areas, use <br />setting-type taping compound. <br />2. Embedding and First Coat: For embedding tape and first coat on joints, fasteners, and trim <br />flanges, use drying-type, all-purpose compound. <br />a. Use setting-type compound for installing paper-faced metal trim accessories. <br />3. Fill Coat: For second coat, use drying-type, all-purpose compound. <br />4. Finish Coat: For third coat, use drying-type, all-purpose compound. <br />5. Skim Coat: For final coat of Level 5 finish, use drying-type, all-purpose compound. <br />2.6 AUXILIARY MATERIALS <br />A. General: Provide auxiliary materials that comply with referenced installation standards and <br />manufacturer's written recommendations. <br />B. Steel Drill Screws: ASTM C 1002, unless otherwise indicated. <br />1. Use screws complying with ASTM C 954 for fastening panels to steel members from 0.033 to <br />0.112 inch thick. <br />2. For fastening cementitious backer units, use screws of type and size recommended by panel <br />manufacturer. <br />C. Acoustical Sealant: As specified in Division 07 Section "Joint Sealants." <br />1. Acoustical Sealant for Exposed and Concealed Joints: Manufacturer's standard nonsag, paintable, <br />non-staining latex sealant complying with ASTM C 834 and the following requirements: <br />a. Product is effective in reducing airborne sound transmission through perimeter joints and <br />openings in building construction as demonstrated by testing representative assemblies <br />according to ASTM E 90. <br />2. Available Products: Subject to compliance with requirements, acoustical sealants that may be <br />incorporated in the Work include, but are not limited to, the following: <br />a. Acoustical Sealant for Exposed and Concealed Joints: <br />1) PL Acoustical Sealant; ChemRex, Inc.; Contech Brands. <br />2) AC-20 FTR Acoustical and Insulation Sealant; Pecora Corp. <br />3) SHEETROCK Acoustical Sealant; United States Gypsum Co. <br />DocuSign Envelope ID: ECCAC5A0-6CC8-4B37-8AD3-89D69F0AE1AE