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SECTION 09841
FABRIC-COVERED ACOUSTICAL WALL PANELS
NOTE ** This section is based on the products of the
Homasote Company, which is located at:
NOTE ** P.O. Box 7240
NOTE ** West Trenton, NJ 08628-0240
NOTE ** Tel: (609) 883-3300
NOTE ** Fax: (609) 530-1584
NOTE ** Internet address: http://www.homasote.com
NOTE ** For local rep contact: Sweet's Buyline 1-800-
892-1165 (#0878)
NOTE ** The Homasote Company manufactures various products
for the building industry. This section covers
only a part of their product line:
"DesignWall(tm)" and "Burlap" fabric-covered
acoustical wall panels. DesignWall(tm) is an
elegant, prefinished interior paneling composed of
fabric laminated to structural recycled fiberboard,
available in four designer colors.
NOTE **
NOTE ** See their other sections for wood roof decking,
fiberboard underlayment, acoustical barriers (fire-
rated and non-rated), and cork-faced acoustical
wall panels.
NOTE **
NOTE ** SECTION 09841 - FABRIC-COVERED ACOUSTICAL WALL
PANELS, Copyright 1998, The Architect's Catalog,
Inc.
PART 1 GENERAL
1.1 SECTION INCLUDES
NOTE ** Select paragraphs below applicable to project.
A. Class A fabric-covered fiberboard panels manufactured
from recycled wood fiber material.
B. Class A burlap covered fiberboard panels manufactured
from recycled wood fiber material.
C. Class C burlap covered fiberboard panels manufactured
from recycled wood fiber material.
1.2 RELATED SECTIONS
NOTE ** Delete sections below not relevant to this project;
add others as required.
A. Section 06100 - Rough Carpentry.
B. Section 09110 - Non-Load-Bearing Wall Framing.
C. Section 09250 - Gypsum Board.
NOTE ** Burlap panels can be field painted if desired.
Include specific instructions following Homasote
recommendations, in a Section on field painting.
Delete the following paragraph if painting of
burlap panels is not required.
D. Section _____ - Field Painting; painting of acoustic
panels.
E. Section _____ - _________________________.
1.3 REFERENCES
NOTE ** Delete references from the list below that are not
actually required by the text of the edited
section; add others as required.
A. ASTM E 84 - Test Method for Surface Burning
Characteristics of Building Materials.
B. AATCC 16 - Colorfastness to Light; American Association
of Textile Chemists & Colorists.
C. NFPA 701 - Standard Methods of Fire Tests for Flame-
Resistant Textiles and Films.
D. UL Test No. 214 - Standard for Tests for Flame-
Propagation of Fabrics and Films.
E. ____________________________________.
1.4 SUBMITTALS
A. Submit under provisions of Section 01300.
B. Product Data: Manufacturer's catalog data, detail
sheets, and specifications.
C. Samples: Two each of manufacturer's full range of fabric
colors applied to substrate material; 7 by 7 inches (180
by 180 mm).
D. Quality Assurance/Control Submittals:
1. Manufacturer's installation instructions.
E. Closeout Submittals: Maintenance and cleaning
instructions.
1.5 QUALITY ASSURANCE
A. Manufacturer's Qualifications:
1. Minimum 10 years experience in producing acoustical
panels of the type specified herein.
1.6 DELIVERY, STORAGE, AND HANDLING
A. Deliver materials in manufacturer's original packages.
B. Inspect the materials upon delivery to assure that
specified products have been received.
C. Report damaged material immediately to the delivering
carrier and note such damage on the carrier's freight
bill of lading.
D. Store materials in a dry place, indoors, or on raised
platform protected from weather damage.
1.7 PROJECT CONDITIONS
A. Environmental Requirements: For 24 hours before, during,
and continually after installation, maintain temperature
and humidity conditions that will approximate interior
conditions following building occupancy.
PART 2 PRODUCTS
2.1 MANUFACTURERS
A. Acceptable Manufacturer: Homasote Company, P.O. Box
7240, West Trenton, NJ 08628-0240; ASD. Tel: (609) 883-
3300, Fax: (609) 530-1584, Internet address:
http://www.homasote.com; For local rep contact: Sweet's
Buyline 1-800-892-1165 (#0878).
B. Requests for substitutions will be considered in
accordance with provisions of Section 01600.
NOTE ** Delete paragraph above or below; coordinate with
Division 1 requirements.
C. Substitutions: Not permitted.
D. Provide all fabric-covered acoustical wall panels from a
single manufacturer.
2.2 MATERIALS
NOTE ** Select type(s) of acoustical wall panels from the
three types below; delete those not required for
the project.
NOTE **
NOTE ** Nominal size of DesignWall(tm) panels is 4 by 8
feet (1.219 by 2.438 m). DesignWall(tm) is also
available in lengths of 9, 10, and 12 feet (2.743,
3.048, and 3.657 m) on special order. Actual size
is 1/8 inch (3 mm) less in each direction.
A. Class A Acoustic Panels: Homasote DesignWall(tm)
Interior Panels.
1. Substrate: NCFR(R) fiberboard manufactured from 100
percent recycled wood fiber material; physical
properties as follows:
a. Thickness: 1/2 inch (13 mm).
b. Density: 34-40 pcf (545-640 kg/cubic m).
c. Water Absorption by volume (2 hour immersion): 5
percent maximum.
d. Expansion, 50 to 90 percent relative humidity:
0.30 percent.
e. R-value: 0.85 (0.015).
f. NRC: 0.20.
g. Flame Spread: 25, per ASTM E 84.
h. Smoke Developed: 20, per ASTM E 84.
i. Fuel Contributed: 10.
j. Classification: Class A, per NFPA.
2. Fabric: FR 701(R), as manufactured by Guilford of
Maine, physical properties as follows:
a. Content: 100 percent polyester.
b. Weight: 16.0 +/- 0.5 oz./lin. yard (50 kg +/- 16
g/m).
c. Colorfastness to Light: No less than Grade 4
after 40 hours, per AATCC 16, Option A.
d. ASTM E 84: Class A.
e. NFPA-701: Passes.
f. UL Test No. 214: Passes.
NOTE ** Delete the following agencies not applicable to the
project.
g. FAA (PARA.25.853B): Passes.
h. NY/NJ Port Authority (FTMS 191-5903): Passes.
i. Boston Fire Code BFD IX-1: Passes.
j. State of Massachusetts 527 CMR 21.00: Passes.
k. State of California Tech Bulletin 117 Section E
(CS-191-53): Passes.
l. GSA-PBS: Passes.
NOTE ** Select color(s) from the following subparagraphs,
deleting those not applicable to the project.
m. Color: 380 Quartz.
n. Color: 400 Cherry Neutral.
o. Color: 401 Blue Neutral.
p. Color: 238 Grey Mix.
q. Color: As selected by Architect from
manufacturer's standard range.
3. Fabrication: Wrap fabric around long edges of panel
to back side and laminate to substrate.
NOTE ** Nominal size of Burlap panels is 4 by 8 feet (1.219
by 2.438 m). Burlap Panels are also available in
lengths of 10 and 12 feet (3.048 and 3.657 m) on
special order. Actual size is 1/8 inch (3 mm) less
in each direction.
B. Class C Acoustic Panels: Homasote Burlap Panels.
1. Substrate: "440" fiberboard manufactured from 100
percent recycled wood fiber material; physical
properties as follows:
a. Thickness: 1/2 inch (13 mm).
b. Density: 24-26 pcf (385-415 kg/cubic m).
c. Water Absorption by volume (2 hour immersion): 5
percent maximum.
d. Expansion, 50 to 90 percent relative humidity:
0.25 percent.
e. R-value: 1.11 (0.19).
f. NRC: 0.20.
g. Flame Spread: Less than 200, per ASTM E 84.
h. Classification: Class C, per NFPA.
2. Burlap: Natural colored heavyweight jute fabric.
3. Fabrication: Wrap fabric around long edges of panel
to back side and laminate to substrate.
NOTE ** Class A Burlap Panels as follows are available on
special order. They are qualified for use in
educational, institutional, museum, or publicly
attended facility -- whereever a Class A Fire
Hazard rating is required.
C. Class A Fire-Rated Acoustic Panels: Homasote Fire
Resistant Burlap Panels.
1. Substrate: NCFR(R) fiberboard manufactured from 100
percent recycled wood fiber material; physical
properties as follows:
a. Thickness: 1/2 inch (13 mm).
b. Density: 34-40 pcf (545-640 kg/cubic m).
c. Water Absorption by volume (2 hour immersion): 5
percent maximum.
d. Expansion, 50 to 90 percent relative humidity:
0.30 percent.
e. R-value: 0.85 (0.015).
f. NRC: 0.20.
g. Flame Spread: 25, per ASTM E 84.
h. Smoke Developed: 20, per ASTM E 84.
i. Fuel Contributed: 0.
j. Classification: Class A, per NFPA.
2. Burlap: Natural colored tight-weave fabric,
chemically treated to resist fire.
3. Fabrication: Wrap fabric around long edges of panel
to back side and laminate to substrate.
4. Panel Fire Resistance:
a. Flame Spread: 20, Class A, per ASTM E 84.
b. Smoke Developed: 0, Class A, per ASTM E 84.
c. Fuel Contributed: 10.
d. Classification: Class A, per NFPA.
2.3 ACCESSORIES
NOTE ** Installation accessories are dependent on
substrates and installation methods as recommended
by the manufacturer; select from the following
paragraphs accordingly.
NOTE **
NOTE ** Homasote joint and trim moldings in low lustre
black or white are also available, including cap,
inside and outside corners, and "H" for butt
joints. Inquire of the manufacturer.
A. Metal Frame Clips: Manufacturer's standard clip for
securing panels to framing.
B. Adhesive: APA approved panel adhesive.
C. Adhesive: APA AFG-01 subfloor adhesive.
D. Nails: Color coordinated paneling nails, length as
required to penetrate wood framing 3/4 inch (19 mm)
minimum.
E. Nails: Finishing nails, length as required to penetrate
wood framing 3/4 inch (19 mm) minimum.
F. Screws:
1. Wood Framing: Coarse thread drywall type wood screw,
length as required to penetrate framing 3/4 inch (19
mm) minimum.
2. Metal Framing: 22-25 gage, drywall type steel screw.
3. Metal Framing: 20 gage or heavier, self-tapping
drywall type steel screw.
PART 3 EXECUTION
3.1 EXAMINATION
A. Examine substrates upon which work will be installed.
B. Verify framing member spacing complies with
manufacturer's requirements depending on substrates and
installation methods.
C. Verify environmental conditions are, and will continue to
be, maintained in accordance with manufacturer's
recommendations.
D. Coordinate with responsible entity to perform corrective
work on unsatisfactory substrates or conditions.
E. Starting work by installer is acceptance of substrate and
environmental conditions.
3.2 PREPARATION
A. Follow manufacturer's instructions for allowing panels to
be exposed to environmental temperature and humidity
conditions for not less than 24 hours before start of
installation.
NOTE ** Burlap is a natural fabric and can vary in shade
between production runs. Before installation,
Burlap Panels should be positioned in place to
ensure that desired appearance is obtained. Delete
the following paragraph if Burlap Panels are not
specified.
B. Temporarily position Burlap Panels in place and request
Architect's approval, to ensure that desired appearance
is obtained.
3.3 INSTALLATION
NOTE ** Homasote specifies framing at 16 inches (400 mm)
o.c. for all installation methods except over
finished walls; panel edges and ends are required
to align with framing members or be blocked for all
methods. Verify that appropriate framing section
or drawing notes comply. Special framing may be
required if panel joint layout is defined.
NOTE **
NOTE ** Furring for masonry or concrete walls can be one-
by's (19 mm) wood or standard hat-shaped metal
furring channels. Specify furring in the
appropriate wood or metal framing section.
A. Follow manufacturer's instructions for cutting and
installation of panels:
NOTE ** Installation is dependent on substrates; select
from the following subparagraphs accordingly,
deleting those not required for the project.
1. Wood Framed Walls, Method No. 1, (using framing
clips).
2. Wood Framed Walls, Method No. 2, (using adhesive).
3. Metal Framed Walls.
4. Wood or Metal Furring over masonry or concrete walls.
5. Finished Walls (walls with continuous substrate in
place).
3.4 CLEANING
A. Follow manufacturer's instructions for cleaning panels
soiled during installation.
B. Replace panels that cannot be cleaned to "as new"
condition.
END OF SECTION