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CHAPEL HILL ORANGE COUNTY VISITORS BUREAU August 12, 2020 <br />308 WEST FRANKLIN, CHAPEL HILL, NC <br />GYPSUM BOARD 092900 - 3 <br />2.2 INTERIOR GYPSUM BOARD <br />A. General: Complying with ASTM C 36/C 36M or ASTM C 1396/C 1396M, as applicable to <br />type of gypsum board indicated and whichever is more stringent. <br />1. Available Manufacturers: Subject to compliance with requirements, manufacturers <br />offering products that may be incorporated into the Work include, but are not limited to, <br />the following: <br />a. American Gypsum Co. <br />b. BPB America Inc. <br />c. G-P Gypsum. <br />d. Lafarge North America Inc. <br />e. National Gypsum Company. <br />f. PABCO Gypsum. <br />g. Temple. <br />h. USG Corporation. <br /> <br />B. Regular Type: <br />1. Walls use 5/8" Gypsum Board with long edges tapered. <br />2. Ceilings use 1/2" Gypsum Board with long edges tapered. <br />C. Moisture- and Mold-Resistant Type: With moisture- and mold-resistant core and surfaces for <br />patch and reapuir work at toilet rooms. . <br />1. Core: 5/8 inch (15.9 mm), Type X. <br />2. Long Edges: Tapered. <br />2.3 TRIM ACCESSORIES <br />A. Interior Trim: ASTM C 1047. <br />1. Material: Paper-faced galvanized steel sheet. <br />2. Shapes: <br />a. Cornerbead. <br />b. Bullnose bead. <br />c. LC-Bead: J-shaped; exposed long flange receives joint compound. <br />d. L-Bead: L-shaped; exposed long flange receives joint compound. <br />e. U-Bead: J-shaped; exposed short flange does not receive joint compound. <br />f. Expansion (control) joint. <br />g. Curved-Edge Cornerbead: With notched or flexible flanges. <br />2.4 JOINT TREATMENT MATERIALS <br />A. General: Comply with ASTM C 475/C 475M. <br />DocuSign Envelope ID: 775B89AF-3514-4D9E-B148-2FDE4EFF16C2