GUIDE SPECIFICATIONS FOR ULTRA RESISTANT SERIES ACOUSTICAL
PANELS
Section 09 80 40 Acoustical Wall Treatment
Part
1 General:
1.1 Acoustical Treatments shall be provided by: Acoustical Resources, Inc. PO
Box 200504, Austin, TX 78720-0504, Phone (512) 259-5858 Fax: (512) 259-5850.
1.2 References:
A. ASTM C423-81a, Sound Absorption and Sound Absorption
Coefficients by the Reverberation Room Method.
B. ASTM E-84-81a, Surface Burning
Characteristics of Building Materials.
1.3 Delivery Storage & Handling
A. Deliver products to site, store and protect under provisions of Section 01600.
1.4 Submittals
A. Shop Drawings: Where custom sized
panels are indicated on architectural drawings, submit shop drawings with minimum
1/4" scale wall elevations and appropriate details indicating field dimensions, panel
layout, and installation methods.
B. Product Data: Submit manufacturer's product
data including specifications, installation instructions, test data, maintenance, and
warranty information.
C. Samples: Submit ______ (quantity) samples
(12" x 12") of each type of acoustical panel as shown on the drawings and
schedule.
1.5 Substitutions or changes will only be permitted per
Section 01600.
2.1 Materials:
D.1 Ultra™ Resistant Series Acoustical Panels
shall be constructed of a single core construction of dimensionally stable rigid
fiberglass of medium density (6-7 RCF). Thickness (choose one) 1", 1 1/2",
2", 3", or 4" that is laminated to a 1/16" rigid copolymer sheet with an
acoustically transparent open perforation of 22%.
D.2 Panel Sizes: _____ wide and _____high
or as shown on drawings. Standard maximum size is 48" wide x 96" high
(nominal). Panels are to be manufactured according to field dimensions supplied by the
installing contractor. Standard tolerances are +/- in width and length.
D.3 Panel Edge profile shall be Square,
Corner detail shall be Square. Edge treatment shall be chemically hardened or custom
______(specify).
D.4 Panel finish shall be
______________________ (specify fabric manufacturer, pattern and color). Manufacturer's
standard fabric is a woven 100%polyester fabric. Select from 50 standard colors. Finish
shall be applied directly to the face and edges of the panel and returned to the back of
the panel to provide full finished edge. All corners are fully tailored.
D.5 Panel Mounting shall be: impaling clip
& adhesive, mechanical z-clip, hook & loop, or custom ______ (specify). Adhesive
or other incidental materials are to be supplied by the installing contractor.
D.6 Acoustical Performance: Wall panels
shall have a minimum Noise Reduction Coefficient (NRC) of 1 1/16" = .85, 2 1/16"
= .95, 3 1/16" = 1.10 _______(specify) in accordance with ASTM C-423-81a, Sound
Absorption & Sound Absorption Coefficients by the Reverberation Room Method.
D.7 Flammability: All components utilized
in the construction of the wall panels shall have a Class1 (0-25) rating in accordance
with ASTM E-84-81a Surface Burning characteristics of Building Materials.
Part 3 Execution
3.01 Examination and Preparation:
A. Installation of acoustical panels shall
not begin until all wet work (plastering, concrete, etc.) is completed and dry. Building
shall be properly enclosed and under standard occupancy conditions (temperature of 60-85
degrees F. and not more than 80% relative humidity) before installation begins.
B. The contractor shall be responsible for
the examination and acceptance of all surfaces and conditions prior to the acoustical
panel installation.
3.02 Installation: Acoustical panels shall
be installed according to manufacturer's recommendations and instructions.
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SPECS: ULTRA
