1、11-11 09 84 33 - 1 SECTION 09 84 33 SOUND-ABSORBING WALL UNITS 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. PART 1 - GENERAL 1.1 DESCRIPTION This section specifies the requirement
2、s for fabric covered acoustical wall panels. 1.2 RELATED WORK Color and location for hanging: Section 09 06 00, SCHEDULE FOR FINISHES. 1.3 APPLICABLE PUBLICATIONS A. The publications listed below form a part of this specification to the extent referenced. The publications are referenced in text by b
3、asic designation only. B. American Association of Textile Chemists and Colorists (AATCC): TM 16-04 . Test Method: Colorfastness to Light C. American Society for Testing and Materials (ASTM): C 423-08 . Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method D 1117-01 Nonw
4、oven Fabrics D 5034-09 Breaking Strength and Elongation of Textile Fabrics (Grab Test) E 84-10 Surface Burning Characteristics of Building Materials 1.4 SUBMITTALS A. Submit in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES. B. Samples: Fabric Covering in quadruplicate, a
5、s specified in Section 09 06 00, SCHEDULE FOR FINISHES, size 200 mm (1/4 yard), full width of mill run for each color specified. C. Manufacturers Literature and Data: Complete instructions for installation of wall panels. D. Certificate: Flame spread smoke density factors. PART 2 - PRODUCTS 2.1 WALL
6、 COVERING PANELS A. Width: 600 mm (24-inches) unless shown otherwise. End filler panels may vary in width as necessary to cover wall to wall installation. Provided by IHSNot for Resale-,-,-11-11 09 84 33 - 2 B. Height: 1. For full height panels field measure panels for custom fit flush to ceiling an
7、d tolerance at floor to within 3 mm (1/8-inch) at top of base. 2. Height for other panels as shown. C. Thickness: 25 mm (1 inch) nominal. D. Fabric Covering: Seamless / non-woven, embossed texture, needle punched 100 percent polyester, minimum 0.034 kg per linear meter (11 ounces per linear yard). T
8、ear strength shall be minimum 110 N (25 pounds) machine direction and minimum 178 N (40 pounds) cross-machine direction in accordance with ASTM D 1117. Tensile strength shall be minimum 220 N (50 pounds) machine direction and minimum 330 N (75 pounds) cross-machine direction in accordance with ASTM
9、D 5034/ / plain woven 2-ply 100 percent polyester, minimum 0.47 kg per linear meter (15 ounces per linear yard). Tear strength shall be minimum 129 N (29 pounds). Tensile strength shall be 667 N (150 pounds) minimum in accordance with ASTM D 5034 / / perforated vinyl covering with fabric backing, mi
10、nimum 0.62 kg per linear meter (20 ounces per linear yard) total weight. / Fabric covering shall be stretched free of wrinkles and then bonded to the edges and back or bonded directly to the panel face, edges, and back of panel a minimum distance standard with the manufacturer. Light fastness (fadeo
11、meter) shall be approximately 40 hours in accordance with AATCC TM 16. E. Fire rating for the complete composite system: Class A, 200 or less smoke density and flame spread less than 25, when tested in accordance with ASTM E 84. F. Substrate: Fiber glass or mineral fiber. G. Noise Reduction Coeffici
12、ent (NRC) Range: (0.50-0.60) (0.80-0.90) ASTM C 423. 2.2 ALUMINUM A. Manufacturers standard concealed aluminum mounting system. B. Mounting system shall be capable of supporting twice the weight of the panel. 2.3 FASTENERS Use toggle bolts: Wire wings are not acceptable. PART 3 - EXECUTION 3.1 WALL
13、PREPARATION Walls shall be clean, smooth, oil free, contain no protrusions, and prepared in accordance with manufacturers printed instructions. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS11-11 09 84 33 - 3 3.2 INSTALLATION A. Apply panels using concealed aluminum splines, bolted to wall surfaces in accordance with the manufacturers installation instructions. B. Locate panels as shown. - - - E N D - - - Provided by IHSNot for Resale-,-,-
