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Gateway Park Center PERKINS+WILL <br /> 810495.000 <br /> 12/06/18 <br /> <br /> <br />GYPSUM BOARD <br /> 09 29 00 - 10 <br /> <br /> <br />gypsum board surfaces for decoration. Promptly remove residual joint compound <br />from adjacent surfaces. <br />B. Prefill open joints and damaged surface areas. <br />C. Apply joint tape over gypsum board joints, except for trim products specifically <br />indicated as not intended to receive tape. <br />D. Gypsum Board Finish Levels: Finish panels to levels indicated below and according <br />to ASTM C 840: <br />1. Level 1: Ceiling plenum areas, concealed areas, and where indicated. <br />2. Level 2: Panels that are substrate for tile. <br />3. Level 3: For surfaces receiving wallcoverings where lighting conditions are not <br />critical. <br />4. Level 4: At panel surfaces that will be exposed to view unless otherwise <br />indicated. <br />a. Primer and its application to surfaces are specified in Section 09 91 23 <br />"Interior Painting." <br />5. Level 5: For surfaces receiving gloss and semigloss enamels and other <br />surfaces subject to severe lighting. <br />a. Primer and its application to surfaces are specified in Section 09 91 23 <br />"Interior Painting." <br />b. Provide Level 5 finish consisting of drying-type, all-purpose compound <br />skim coat, sand and prime, for surfaces behind visual display wall <br />coverings. <br />E. Glass-Mat Gypsum Sheathing Board: Finish according to manufacturer's written <br />instructions for use as exposed soffit board. <br />F. Glass-Mat Faced Panels: Finish according to manufacturer's written instructions. <br />G. Cementitious Backer Units: Finish according to manufacturer's written instructions. <br />3.7 PROTECTION <br />A. Protect adjacent surfaces from drywall compound and promptly remove from floors <br />and other non-drywall surfaces. Repair surfaces stained, marred, or otherwise <br />damaged during drywall application. <br />B. Protect installed products from damage from weather, condensation, direct <br />sunlight, construction, and other causes during remainder of the construction <br />period. <br />C. Remove and replace panels that are wet, moisture damaged, and mold damaged. <br />1. Indications that panels are wet or moisture damaged include, but are not <br />limited to, discoloration, sagging, or irregular shape.