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SECTION 06071
PRESSURE-TREATED WOOD PRODUCTS
NOTE ** Chemical Specialties, Inc.; preservative and fire-
retardant treatments of wood and plywood.
NOTE **
NOTE ** This section is based on pressure treatments for
wood developed by Chemical Specialties, Inc.,
located at the following address:
NOTE ** One Woodlawn Green, Suite 250
NOTE ** 200 E. Woodlawn Road
NOTE ** Charlotte, NC 28217
NOTE ** Tel: (800) 421-8661
NOTE **
NOTE ** Manufacturers using CSI preservatives and fire-
retardant treatments to produce top quality
pressure-treated wood are located coast-to-coast
throughout the United States and Canada.
NOTE **
NOTE ** SECTION 06071 - Pressure-Treated Wood Products,
Copyright 1997, The Architect's Catalog, Inc.
PART 1 GENERAL
1.1 SECTION INCLUDES
NOTE ** Delete items below not required for project.
A. Preservative treatment of lumber and plywood.
B. Fire-retardant treatment of lumber and plywood.
1.2 RELATED SECTIONS
NOTE ** Delete any sections below not relevant to this
project; add others as required.
A. Section 06100 - Rough Carpentry.
B. Section 06200 - Finish Carpentry.
1.3 REFERENCES
NOTE ** Delete references from the list below that are not
actually required by the text of the edited
section.
A. APA A400 - Permanent Wood Foundation Guide to Design and
Construction; American Plywood Association.
B. ASTM A 153/A 153M - Standard Specification for Zinc
Coating (Hot-Dip) on Iron And Steel Hardware.
C. AWPA C2 - Lumber, Timber, Bridge Ties and Mine Ties --
Preservative Treatment by Pressure Processes; American
Wood-Preservers' Association.
D. AWPA C20 - Structural Lumber -- Fire-Retardant Treatment
by Pressure Processes; American Wood-Preservers'
Association.
E. AWPA C22 - Lumber and Plywood for Permanent Wood
Foundations -- Preservative Treatment by Pressure
Processes; American Wood-Preservers' Association.
F. AWPA C27 - Plywood -- Fire-Retardant Treatment by
Pressure Processes; American Wood-Preservers'
Association.
G. NFPA Permanent Wood Foundation System: Design,
Fabrication, Installation Manual; National Forest
Products Association.
1.4 SUBMITTALS
A. Submit under provisions of Section 01300.
B. Product Data: Treating plant's instructions for use,
including requirements for storage, cutting, and
finishing.
C. Preservative Treatment Certification: Treating plant's
certification of compliance with specified standards,
process employed, and preservative retention values.
NOTE ** Delete paragraph above or below if treatment type
not required.
D. Fire-Retardant Treatment Certification: Treating plant's
certification of compliance with specified requirements.
NOTE ** Delete the folowing article if fire-retardant
treatment not required for project.
1.5 QUALITY ASSURANCE
A. Fire-Retardant Treatment: Mark each piece of plywood and
lumber to show compliance with specified standards.
1.6 DELIVERY, STORAGE, AND HANDLING
A. Protect wood products against moisture and dimensional
changes, in accordance with instructions from treating
plant.
1.7 WARRANTY
A. Manufacturer's Warranty: Provide manufacturer's standard
20-year limited warranty for fire-retardant treated wood.
B. Manufacturer's Warranty: Provide manufacturer's standard
50-year limited warranty for pressure-treated wood.
NOTE ** Retain paragraph above for ULTRAWOOD(R) treatment.
Retain paragraph below for SUPATIMBER(R),
DESIGNWOOD(R) SUPATIMBER, and ACQ(R) PRESERVE(R).
C. Manufacturer's Warranty: Provide manufacturer's standard
lifetime warranty for pressure treated wood.
PART 2 PRODUCTS
2.1 MANUFACTURERS
A. Provide wood treatment by or under license from Chemical
Specialties, Inc., One Woodlawn Green, Suite 250, 200 E.
Woodlawn Road, Charlotte, NC 28217. ASD. Tel: (800) 421-
8661.
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.
2.2 MATERIALS
A. Dimension Lumber: As specified in Section 06100.
B. Structural Plywood: As specified in Section 06100.
C. Finish Lumber and Plywood: As specified in Section
06200.
D. Fasteners: For treated wood and where wood is in ground
contact, subject to high relative humidity, or exposed to
weather, provide steel fasteners with hot-dip zinc
coating per ASTM A 153/A 153M.
2.3 PRESSURE TREATMENT OF WOOD
NOTE ** CSI offers the following preservative treatments:
NOTE **
NOTE ** ACQ(R) Preserve(R): Environmentally designed
treatment that protects against rot, decay, and
termite damage. It is free of arsenic and chromium
and does not require special handling of refuse.
NOTE **
NOTE ** UltraWood(R): Includes water repellent in
preservative treatment to fight checking, cracking,
spitting, and warping. 50-year performance
warranty.
NOTE **
NOTE ** SupaTimber(R): Clean and odor-free pressure
treatment contains waterborne arsenical
preservatives; requires some precautions in use and
handling.
NOTE **
NOTE ** DesignWood(R) SupaTimber: Prefinished preservative
treatment includes redwood color to eliminate the
need for applying paints or stains.
A. Preservative Treatment for Above Ground Use:
1. Treatment: ACQ(R) Preserve(R).
2. Treatment: UltraWood(R).
3. Treatment: SupaTimber(R).
4. Treatment: DesignWood(R) SupaTimber(R).
5. Use 0.25 lb/cu ft (4.0 kg/cu m) retention.
6. Kiln dry after treatment to 19 percent maximum
moisture content for lumber and 18 percent for
plywood.
7. Treat wood in the following locations:
a. In contact with roofing, flashing, or
waterproofing.
b. In contact with masonry or concrete.
c. Within 18 inches (450 mm) of grade.
d. Exposed to weather.
e. Other locations indicated.
B. Preservative Treatment, Ground and Fresh Water Contact:
1. Treatment: ACQ(R) Preserve(R).
2. Treatment: UltraWood(R).
3. Treatment: SupaTimber(R).
4. Treatment: DesignWood(R) SupaTimber(R).
5. Use 0.40 lb/cu ft (6.4 kg/cu m) retention.
NOTE ** Use 0.60lb/cu ft (9.6 kg/cu m) retention for
utility poles.
NOTE ** Use 0.80 to 1.0 lb/cu ft (12.8 to 16.0 kg/cu m)
retention for pilings, per AWPA Standards.
NOTE ** Use 2.50 lbs/cu ft (40.0 kg/cu m) for salt water
marine pilings.
6. Kiln dry after treatment to 19 percent maximum
moisture content for lumber and 18 percent for
plywood.
7. Treat wood in the following locations:
a. In contact with ground.
b. In contact with fresh water.
c. Used as posts, landscaping timbers, retaining
walls, piers, or docks.
C. Preservative Treatment for Wood Foundation Systems:
1. Pressure-treat softwood lumber, timber, and plywood
for wood foundation systems with waterborne
preservatives to comply with AWPA C22-96.
2. Treatment: ACQ(R) Preserve(R).
3. Treatment: UltraWood(R).
4. Treatment: SupaTimber(R).
5. Treatment: DesignWood(R) SupaTimber(R).
6. Use 0.60 lb/cu ft (9.6 kg/cu m) retention.
D. Fire-Retardant Treatment:
1. Lumber: Comply with AWPA C20.
2. Plywood: Comply with AWPA C27, Type A.
NOTE ** D-Blaze(R) fire-retardant treatment can be used in
a variety of interior applications where the
humidity is not expected to exceed 95 percent for
prolonged periods and where the wood is not exposed
directly to weather.
NOTE **
NOTE ** D-Blaze is approved under the following codes and
standards:
NOTE ** BOCA
NOTE ** ICBO ERS180
NOTE ** SBCCI
NOTE ** MIL-L-191040E
NOTE ** NFPA 255
NOTE ** UL 723
NOTE ** New York City Building Code
NOTE ** Los Angeles Building Code
NOTE ** Report RR 24502
3. Surface Burning Characteristics: UL FRS rating;
flame spread and smoke developed ratings of 25 or
less in a test of 30 minutes' duration.
4. Treatment: D-Blaze(R).
5. Treat wood used for the following applications:
a. Roof and floor trusses.
b. Roof decks and sheathing.
c. Subflooring.
d. Beams and purlins.
e. Millwork and trim.
PART 3 EXECUTION
3.1 INSTALLATION
A. Framing and Sheathing: Comply with installation
requirements in Section 06100.
B. Millwork and Trim: Comply with installation requirements
in Section 06200.
C. Fire-Retardant Treated Wood: End cuts and drilling are
permitted. Do not rip or mill lumber or plywood after
fire-retardant treatment.
D. Wood Foundation System: Install in accordance with the
following:
1. NFPA "Permanent Wood Foundation System."
2. NFPA Technical Report No. 7.
3. APA Form A400.
END OF SECTION