VA 09 29 00-2012 GYPSUM BOARD.pdf

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1、02-01-12 09 29 00 - 1 SECTION 09 29 00 GYPSUM BOARD SPEC WRITER NOTE: Delete between /_/ if not applicable to project. Also delete any other item or paragraph not applicable in the section and renumber the paragraphs. Detail all types of gypsum board construction. PART 1 - GENERAL 1.1 DESCRIPTION Th

2、is section specifies installation and finishing of gypsum board. 1.2 RELATED WORK A. Installation of steel framing members for walls, partitions, furring, soffits, and ceilings: Section 05 40 00, COLD-FORMED METAL FRAMING, and Section 09 22 16, NON-STRUCTURAL METAL FRAMING. B. Sound deadening board:

3、 Section 07 21 13, THERMAL INSULATION. C. Acoustical Sealants: Section 07 92 00, JOINT SEALANTS. D. Gypsum base for veneer plaster: Section 09 26 00, VENEER PLASTERING. E. Lead lined wallboard: Section 13 49 00, RADIATION PROTECTION. F. Lay in gypsum board ceiling panels: Section 09 51 00, ACOUSTICA

4、L CEILING. 1.3 TERMINOLOGY A. Definitions and description of terms shall be in accordance with ASTM C11, C840, and as specified. B. Underside of Structure Overhead: In spaces where steel trusses or bar joists are shown, the underside of structure overhead shall be the underside of the floor or roof

5、construction supported by the trusses or bar joists. C. “Yoked“: Gypsum board cut out for opening with no joint at the opening (along door jamb or above the door). 1.4 SUBMITTALS A. Submit in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES. B. Manufacturers Literature and

6、Data: 1. Cornerbead and edge trim. 2. Finishing materials. 3. Laminating adhesive. 4. Gypsum board, each type. C. Shop Drawings: 1. Typical gypsum board installation, showing corner details, edge trim details and the like. Provided by IHSNot for ResaleNo reproduction or networking permitted without

7、license from IHS-,-,-02-01-12 09 29 00 - 2 2. Typical sound rated assembly, showing treatment at perimeter of partitions and penetrations at gypsum board. 3. Typical shaft wall assembly. 4. Typical fire rated assembly and column fireproofing, indicating details of construction same as that used in f

8、ire rating test. D. Samples: 1. Cornerbead. 2. Edge trim. 3. Control joints. E. Test Results: 1. Fire rating test, each fire rating required for each assembly. 2. Sound rating test. 1.5 DELIVERY, IDENTIFICATION, HANDLING AND STORAGE In accordance with the requirements of ASTM C840. 1.6 ENVIRONMENTAL

9、 CONDITIONS In accordance with the requirements of ASTM C840. 1.7 APPLICABLE PUBLICATIONS A. The publications listed below form a part of this specification to the extent referenced. The publications are referenced in the text by the basic designation only. B. American Society for Testing And Materi

10、als (ASTM): C11-08 . Terminology Relating to Gypsum and Related Building Materials and Systems C475-02 Joint Compound and Joint Tape for Finishing Gypsum Board C840-08 Application and Finishing of Gypsum Board C919-08 Sealants in Acoustical Applications C954-07 Steel Drill Screws for the Application

11、 of Gypsum Board or Metal Plaster Bases to Steel Stud from 0.033 in. (0.84mm) to 0.112 in. (2.84mm) in thickness C1002-07 . Steel Self-Piercing Tapping Screws for the Application of Gypsum Panel Products or Metal Plaster Bases to Wood Studs or Steel Studs C1047-05 . Accessories for Gypsum Wallboard

12、and Gypsum Veneer Base C1177-06 . Glass Mat Gypsum Substrate for Use as Sheathing C1658-06 . Glass Mat Gypsum Panels C1396-06 . Gypsum Board E84-08 . Surface Burning Characteristics of Building Materials Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-

13、,-02-01-12 09 29 00 - 3 C. Underwriters Laboratories Inc. (UL): Latest Edition . Fire Resistance Directory D. Inchcape Testing Services (ITS): Latest Editions Certification Listings PART 2 - PRODUCTS SPEC WRITER NOTES: 1. Make material requirements agree with applicable requirements specified in the

14、 referenced Applicable Publications. 2. Backing board is used for first ply of two and first and second ply of three-ply assemblies and for coreboard of multiple layers in semi-solid or solid gypsum board partitions. 3. Show on the drawings and clearly detail where 13 mm (1/2 inch) concrete backboar

15、d is used at showers and how faces of boards of different thickness align. 4. Use 13 mm (1/2 inch) thick gypsum board for buildings with non health related occupancy. 2.1 GYPSUM BOARD A. Gypsum Board: ASTM C1396, Type X, 16 mm (5/8 inch) thick unless shown otherwise. Shall contain a minimum of 20 pe

16、rcent recycled gypsum. B. Coreboard or Shaft Wall Liner Panels. 1. ASTM C1396, Type X. 2. ASTM C1658: Glass Mat Gypsum Panels, 3. Coreboard for shaft walls 300, 400, 600 mm (12, 16, or 24 inches) wide by required lengths 25 mm (one inch) thick with paper faces treated to resist moisture. C. Water Re

17、sistant Gypsum Backing Board: ASTM C620, Type X, 16 mm (5/8 inch) thick. D. Gypsum cores shall contain a minimum of 95 percent post industrial recycled gypsum content. Paper facings shall contain 100 percent post-consumer recycled paper content. 2.2 GYPSUM SHEATHING BOARD A. ASTM C1396, Type X, wate

18、r-resistant core, 16 mm (5/8 inch) thick. B. ASTM C1177, Type X. 2.3 ACCESSORIES A. ASTM C1047, except form of 0.39 mm (0.015 inch) thick zinc coated steel sheet or rigid PVC plastic. B. Flanges not less than 22 mm (7/8 inch) wide with punchouts or deformations as required to provide compound bond.

19、Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-02-01-12 09 29 00 - 4 2.4 FASTENERS A. ASTM C1002 and ASTM C840, except as otherwise specified. B. ASTM C954, for steel studs thicker than 0.04 mm (0.33 inch). C. Select screws of size and type recommen

20、ded by the manufacturer of the material being fastened. D. For fire rated construction, type and size same as used in fire rating test. E. Clips: Zinc-coated (galvanized) steel; gypsum board manufacturers standard items. 2.5 FINISHING MATERIALS AND LAMINATING ADHESIVE ASTM C475 and ASTM C840. Free o

21、f antifreeze, vinyl adhesives, preservatives, biocides and other VOC. Adhesive shall contain a maximum VOC content of 50 g/l. PART 3 - EXECUTION SPEC WRITER NOTE: Read ASTM C840, coordinate with project specification and drawing requirements. 3.1 GYPSUM BOARD HEIGHTS A. Extend all layers of gypsum b

22、oard from floor to underside of structure overhead on following partitions and furring: 1. Two sides of partitions: a. Fire rated partitions. b. Smoke partitions. c. Sound rated partitions. d. Full height partitions shown (FHP). SPEC WRITER NOTE: Delete “Corridor Partitions“ from list if buildings a

23、re fully sprinklered. e. Corridor partitions. 2. One side of partitions or furring: a. Inside of exterior wall furring or stud construction. b. Room side of room without suspended ceilings. c. Furring for pipes and duct shafts, except where fire rated shaft wall construction is shown. 3. Extend all

24、layers of gypsum board construction used for fireproofing of columns from floor to underside of structure overhead, unless shown otherwise. B. In locations other than those specified, extend gypsum board from floor to heights as follows: 1. Not less than 100 mm (4 inches) above suspended acoustical

25、ceilings. 2. At ceiling of suspended gypsum board ceilings. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-02-01-12 09 29 00 - 5 3. At existing ceilings. 3.2 INSTALLING GYPSUM BOARD A. Coordinate installation of gypsum board with other trades and re

26、lated work. B. Install gypsum board in accordance with ASTM C840, except as otherwise specified. C. Moisture and MoldResistant Assemblies: Provide and install moisture and mold-resistant glass mat gypsum wallboard products with moisture-resistant surfaces complying with ASTM C1658 where shown and in

27、 locations which might be subject to moisture exposure during construction. D. Use gypsum boards in maximum practical lengths to minimize number of end joints. E. Bring gypsum board into contact, but do not force into place. F. Ceilings: 1. For single-ply construction, use perpendicular application.

28、 2. For two-ply assembles: a. Use perpendicular application. b. Apply face ply of gypsum board so that joints of face ply do not occur at joints of base ply with joints over framing members. G. Walls (Except Shaft Walls): 1. When gypsum board is installed parallel to framing members, space fasteners

29、 300 mm (12 inches) on center in field of the board, and 200 mm (8 inches) on center along edges. 2. When gypsum board is installed perpendicular to framing members, space fasteners 300 mm (12 inches) on center in field and along edges. 3. Stagger screws on abutting edges or ends. 4. For single-ply

30、construction, apply gypsum board with long dimension either parallel or perpendicular to framing members as required to minimize number of joints except gypsum board shall be applied vertically over “Z“ furring channels. 5. For two-ply gypsum board assemblies, apply base ply of gypsum board to assur

31、e minimum number of joints in face layer. Apply face ply of wallboard to base ply so that joints of face ply do not occur at joints of base ply with joints over framing members. 6. For three-ply gypsum board assemblies, apply plies in same manner as for two-ply assemblies, except that heads of faste

32、ners need only be driven flush with surface for first and second plies. Apply third ply of wallboard in same manner as second ply of two-ply assembly, except Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-02-01-12 09 29 00 - 6 use fasteners of suffi

33、cient length enough to have the same penetration into framing members as required for two-ply assemblies. 7. No offset in exposed face of walls and partitions will be permitted because of single-ply and two-ply or three-ply application requirements. 8. Installing Two Layer Assembly Over Sound Deaden

34、ing Board: a. Apply face layer of wallboard vertically with joints staggered from joints in sound deadening board over framing members. b. Fasten face layer with screw, of sufficient length to secure to framing, spaced 300 mm (12 inches) on center around perimeter, and 400 mm (16 inches) on center i

35、n the field. SPEC WRITER NOTE: 1. Show and clearly define locations of control joints. 2. Detail control joints. 3. See ASTM C840 for design criteria. 9. Control Joints ASTM C840 and as follows: a. Locate at both side jambs of openings if gypsum board is not “yoked“. Use one system throughout. b. No

36、t required for wall lengths less than 9000 mm (30 feet). c. Extend control joints the full height of the wall or length of soffit/ceiling membrane. H. Acoustical or Sound Rated Partitions, Fire and Smoke Partitions: SPEC WRITER NOTE: Show STC sound rating on partition details for sound rating partit

37、ions, minimum value of 45 to 49. 1. Cut gypsum board for a space approximately 3 mm to 6 mm (1/8 to 1/4 inch) wide around partition perimeter. 2. Coordinate for application of caulking or sealants to space prior to taping and finishing. 3. For sound rated partitions, use sealing compound (ASTM C919)

38、 to fill the annular spaces between all receptacle boxes and the partition finish material through which the boxes protrude to seal all holes and/or openings on the back and sides of the boxes. STC minimum values as shown. I. Electrical and Telecommunications Boxes: 1. Seal annular spaces between el

39、ectrical and telecommunications receptacle boxes and gypsum board partitions. J. Accessories: 1. Set accessories plumb, level and true to line, neatly mitered at corners and intersections, and securely attach to supporting surfaces as specified. Provided by IHSNot for ResaleNo reproduction or networ

40、king permitted without license from IHS-,-,-02-01-12 09 29 00 - 7 2. Install in one piece, without the limits of the longest commercially available lengths. 3. Corner Beads: a. Install at all vertical and horizontal external corners and where shown. b. Use screws only. Do not use crimping tool. 4. E

41、dge Trim (casings Beads): a. At both sides of expansion and control joints unless shown otherwise. b. Where gypsum board terminates against dissimilar materials and at perimeter of openings, except where covered by flanges, casings or permanently built-in equipment. c. Where gypsum board surfaces of

42、 non-load bearing assemblies abut load bearing members. d. Where shown. 3.3 INSTALLING GYPSUM SHEATHING A. Install in accordance with ASTM C840, except as otherwise specified or shown. B. Use screws of sufficient length to secure sheathing to framing. C. Space screws 9 mm (3/8 inch) from ends and ed

43、ges of sheathing and 200 mm (8 inches) on center. Space screws a maximum of 200 mm (8 inches) on center on intermediate framing members. D. Apply 600 mm by 2400 mm (2 foot by 8 foot) sheathing boards horizontally with tongue edge up. E. Apply 1200 mm by 2400 mm or 2700 mm (4 ft. by 8 ft. or 9 foot)

44、gypsum sheathing boards vertically with edges over framing. SPEC WRITER NOTE: The following paragraphs are for typical two-hour rated, shaft walls and one hour shaft wall. If a shaft wall of a different fire rating is required, modify the specification to suit the construction used in fire rating te

45、st. Coordinate details to show different fire ratings with specifications if more than one ratings is required. 3.4 CAVITY SHAFT WALL A. Coordinate assembly with Section 09 22 16, NON-STRUCTURAL METAL FRAMING, for erection of framing and gypsum board. B. Conform to UL Design No. U438 or FM WALL CONS

46、TRUCTION 12-2/HR (Nonbearing for two-hour fire rating. / Conform to FM WALL CONSTRUCTION 25-1/HR (Non-loadbearing) for one-hour fire rating where shown. / C. Cut coreboard (liner) panels 25 mm (one inch) less than floor-to-ceiling height, and erect vertically between J-runners on shaft side. Provide

47、d by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-02-01-12 09 29 00 - 8 1. Where shaft walls exceed 4300 mm (14 feet) in height, position panel end joints within upper and lower third points of wall. 2. Stagger joints top and bottom in adjacent panels. /3. Af

48、ter erection of J-struts of opening frames, fasten panels to J-struts with screws of sufficient length to secure to framing staggered from those in base, spaced 300 mm (12 inches) on center. / D. Gypsum Board: 1. Two hour wall: a. Erect base layer (backing board) vertically on finish side of wall wi

49、th end joints staggered. Fasten base layer panels to studs with 25 mm (one inch) long screws, spaced 600 mm (24 inches) on center. b. Use laminating adhesive between plies in accordance with UL or FM if required by fire test. c. Apply face layer of gypsum board required by fire test vertically over base layer with joints staggered and attach with screws of sufficient length to secu