22 ACCESSORIES A Corner And Edge Trim 1 Acceptable And Approved Products a

22 accessories a corner and edge trim 1 acceptable

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2.2 ACCESSORIES A. Corner And Edge Trim 1. Acceptable And Approved Products - a. Metal - 24 ga minimum steel, electrolytic galvanized zinc-coated, treated for maximum cement and paint adhesion. Surfaces to receive bedding cement knurled for maximum bonding. b. Paper-Faced Metal - 1) Beadex Drywall Accessories 2) Chicago Metallic 3) Goldline Drywall Trim by Unimast 4) USG 5) Equal as approved by Architect before installation. See Section 01600. c. Paper-Faced Plastic - 1) No-Coat by Drywall Systems International d. Solid Vinyl - May be used on curved portions of arches and similar decorative features. B. Joint Compound 1. Best grade or type recommended by Wallboard Manufacturer and meeting requirements of ASTM C 475. a. Use Taping Compound for first coat to embed tape and accessories. b. Use Taping Compound or All-Purpose Compound for subsequent coats except final coat. c. Use Finishing Compound for final coat and for skim coat. C. Joint Reinforcing - Paper reinforcing tape acceptable to Wallboard Manufacturer. D. Primer Under Surfaces To Be Textured 1. Acceptable Products - a. Sheetrock First Coat by USG b. Prep Coat Plus by Hamilton Materials c. Primer recommended by manufacturer of finish paint coat. E. Fasteners 1. Bugle head screws meeting requirements of ASTM C 1002. a. Types - 1) Type W - For fastening gypsum board to wood members other than truss members and plywood web joists. 2) Type S - For fastening gypsum board to steel framing and ceiling suspension members, truss members, and plywood web joists.
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Project Number 3 Section 09250 Heritage May 2003 Gypsum Wallboard b. Lengths - 1) Of length to penetrate wood framing 5 / 8 inch minimum. 2) Of length to penetrate steel framing 3 / 8 inch minimum. 2.2 MANUFACTURERS A. Beadex Drywall Accessories, Auburn, WA (800) 726-2397 or (253) 931-6600 B. Chicago Metallic, Chicago, IL (800) 323-7164 or (708) 563-4600 C. Drywall Systems International, Bend, OR (888) 662-6281 or (541) 330-0668 D. Georgia Pacific, Atlanta, GA (800) 225-6119 or (404) 652-4000 E. Hamilton Materials Inc, Orange, CA (800) 331-5569 or (714) 637-2770 F. National Gypsum, Charlotte, NC (800) 628-4662 or (704) 365-7300 G. Unimast Inc, Schiller Park, IL (800) 654-7883 or (847) 928-3400 H. United States Gypsum Co, Chicago, IL (800) 874-4968 or (312) 606-4000 PART 3 EXECUTION 3.1 INSTALLATION A. Interface With Other Work - Coordinate with Division 06 for location of backblocking for edges and ends of gypsum board and for blocking required for installation of equipment and building specialties. Do not install gypsum board until required blocking is in place. B. General - Install and finish as recommended in ASTM C 840 unless specified otherwise in this Section. C. Gypsum Wallboard 1. General - a. Install so trim and reinforcing tape are fully backed by gypsum wallboard. No hollow spaces between pieces of gypsum board over 1 / 8 inch wide before taping are acceptable. b. Rout out backside of gypsum board to accommodate items which extend beyond face of framing, but do not penetrate face of gypsum board, such as metal door frame mounting brackets, etc.
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  • Fall '08
  • Burr,K
  • Inch, plaster, gypsum board, gypsum wallboard

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