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SECTION 08351
ACCORDION FOLDING DOORS
NOTE ** This section is based on products manufactured by
Woodfold-Marco Mfg., Inc., at the following
address:
NOTE ** P.O. Box 346
NOTE ** Forest Grove OR 97116
NOTE ** Voice 503-357-7181
NOTE ** FAX 503-357-7185
NOTE **
NOTE ** Woodfold-Marco offers a complete line of space
utilization dividers, sight dividers, room
dividers, acoustical, security, and energy saving
accordion folding doors for commercial,
institutional, and residential applications.
NOTE **
NOTE ** SECTION 08351 - ACCORDION FOLDING DOORS, Copyright
1997, The Architect's Catalog, Inc.
PART 1 GENERAL
1.1 SECTION INCLUDES
NOTE ** Delete items below not required for project.
A. Accordion Folding Doors.
B. Accordion Folding Vision/Security Doors.
C. Accordion Folding Utility Doors.
D. Accordion Folding Room Dividers.
E. Acoustical Rated Accordion Folding Doors.
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. ADA - Americans with Disabilities Act.
B. ASTM E 336 - Standard Method of Measurement of Airborne
Sound Insulation in Buildings.
NOTE ** Light Oak Vinyl and Chalk Vinyl door panel
coverings available with Class 1 fire retardant
panel core; delete Article if inapplicable. Fire
resistance rating is for core panel material only -
it does not apply to doors or openings.
1.4 SYSTEM DESCRIPTION
A. Performance Requirements: Class 1 fire retardant door
panel core material.
1.5 SUBMITTALS
A. Submit under provisions of Section 01300.
B. Product Data: Manufacturer's descriptive literature for
door opening assemblies; include specified and required
components.
C. Shop Drawings: Indicate door and opening sizes, and head
and jamb conditions.
NOTE ** Delete the following paragraph if specifying custom
panels or finishes.
D. Selection Samples: Two sets of manufacturer's standard-
size color chips, or color chart, representing
manufacturer's full range of available finishes.
E. Verification Samples: Two samples, minimum size 4 inches
square, representing actual color and finish of installed
door panel.
F. Quality Assurance Submittals: Printed installation
instructions for door assemblies, including each
component.
1.6 QUALITY ASSURANCE
A. Regulatory Requirements: Door opening assemblies ADA
compliant for opening load force.
1.7 DELIVERY, STORAGE, AND HANDLING
A. Storage and Protection:
1. Store products of this section in manufacturer's
unopened packaging until installation.
2. Maintain dry, heated storage area for products of
this section until installation.
PART 2 PRODUCTS
2.1 MANUFACTURERS
A. Acceptable Manufacturer: Woodfold-Marco Mfg., Inc.; P.O.
Box 346, Forest Grove OR 97116; Voice 503-357-7181, FAX
503-357-7185.
NOTE ** Delete one of the two following paragraphs;
coordinate with Division 01 requirements.
B. Requests for substitutions will be considered in
accordance with provisions of Section 01600.
C. Substitutions: Not permitted.
NOTE ** Retain the following Article to specify Woodfold
Series 240 door.
2.2 ACCORDION FOLDING DOORS
A. Acceptable Product: Woodfold Series 240 door.
B. Components:
NOTE ** Delete all but one of the following three
paragraphs to specify track type required.
1. Track: 1-1/8 inch by 1 inch aluminum, pre-punched
for screw fasteners for surface mounting.
2. Track: 1-1/8 inch by 1 inch aluminum, pre-punched
for screw fasteners, with aluminum hat channel for
recess mounting.
3. Track: 1/2 inch by 1-1/8 inch aluminum, I-beam
profile, with ceiling clips; capable of being formed
to 12-inch radius curve.
4. Roller assembly: Nylon wheels with Lexan axles for
doors 15 feet wide by 8 feet high and smaller, nylon
wheels on ball-bearing steel axles for larger door
assemblies; rivet-attached to hinge, dual trolley at
lead post, single trolley at alternate panels, type
for specified track.
5. Hinge assembly: 18 gage steel, continuous pin, rivet-
attached to top and bottom of door panel, with
automatic stop at full extension.
NOTE ** The following sentence specifies standard panel
core material; delete if specifying decorative
inserts.
6. Panel core material: 1/4 inch thick medium-density
fiberboard (MDF), with rabbeted edge for panel
connector.
7. Panel connector: Continuous non-rigid vinyl,
inserted and glued into panel rabbet.
8. Lead post: Extruded aluminum, 3/4 inch by 2-3/4 inch
cross-section.
NOTE ** Retain the following paragraph if specifying pairs
of doors or intersecting configurations.
9. Intersecting jamb molding: Types for indicated
configurations.
10. Handle: Rigid molded polyvinyl chloride (PVC).
NOTE ** Delete all but one of the following five paragraphs
to specify latching option required; magnetic catch
is standard.
11. Latching: Magnetic catch.
12. Latching: Thumbturn one side with deadlatch.
13. Latching: Thumbturn both sides with springlatch.
14. Latching: Thumbturn one side, pull with keylock one
side, with deadlatch.
15. Latching: Pull with keylock both sides, with
deadlatch.
C. Finishes:
NOTE ** A wide variety of non-standard finishes can be
applied to standard panels, including custom wood
finishes, wallcoverings, plastic laminates, custom
logos, and murals; in addition, decorative leaded
glass and laser-crafted inserts can be incorporated
into standard panels. Consult manufacturer for
available options.
NOTE **
NOTE ** One of the two paragraphs below can be used to
specify manufacturer's standard finishes on
standard panels; consult manufacturer's product
literature.
1. Panels: Vinyl laminate, ____________ pattern.
2. Panels: Hardwood veneer, ___________ species, with
sealer and clear lacquer topcoats.
3. Aluminum surfaces: Manufacturer's standard finish,
in color complementing panel finish.
D. Sizes: Indicated on drawings.
NOTE ** Retain the following Article to specify Woodfold
Series 440 Visifold door.
2.3 ACCORDION FOLDING VISION DOORS
A. Acceptable Product: Woodfold Series 440 Visifold door.
B. Components:
NOTE ** Delete all but one of the following three
paragraphs to specify track type required.
1. Track: 1-1/8 inch by 1 inch aluminum, pre-punched
for screw fasteners for surface mounting.
2. Track: 1-1/8 inch by 1 inch aluminum, pre-punched
for screw fasteners, with aluminum hat channel for
recess mounting.
3. Track: 1/2 inch by 1-1/8 inch aluminum, I-beam
profile, with ceiling clips; capable of being formed
to 12-inch radius curve.
4. Roller assembly: Nylon wheels on ball-bearing steel
axles; rivet-attached to hinge, dual trolley at lead
post, single trolley at alternate panels, type for
specified track.
5. Hinge assembly: 18 gage steel, continuous pin, rivet-
attached to top and bottom of vertical panels, with
automatic stop at full extension.
6. Panel frame: Aluminum vertical channels having
inside dimension between webs to accept 1/8 inch
thick material.
NOTE ** Delete one of the following two paragraphs; the
first paragraph specifies standard panel.
NOTE **
NOTE ** Optional panels of 1/8 inch thick material can be
specified using the second paragraph. Consult with
manufacturer for options.
7. Panel: 1/8 inch thick transparent acrylic sheet.
8. Panel: 1/8 inch thick _________________________.
9. Panel connector: Continuous non-rigid vinyl,
inserted into panel frame channel.
10. Lead post: Extruded aluminum, 3/4 inch by 2-3/4 inch
cross-section.
NOTE ** Retain the following paragraph if specifying pairs
of doors or intersecting configurations.
11. Intersecting jamb molding: Types for indicated
configurations.
12. Handle: Rigid molded polyvinyl chloride (PVC).
NOTE ** Delete all but one of the following five paragraphs
to specify latching option required; pull with
keylock both sides is standard.
13. Latching: Magnetic catch.
14. Latching: Thumbturn one side with deadlatch.
15. Latching: Thumbturn both sides with springlatch.
16. Latching: Thumbturn one side, pull with keylock one
side, with deadlatch.
17. Latching: Pull with keylock both sides, with
deadlatch.
C. Finishes:
NOTE ** Delete all but one of the following three
paragraphs to specify panel finishes; first and
second paragraphs are for manufacturer's standard
finishes, third paragraph is for custom panel
finish.
1. Panels: Clear.
2. Panels: Bronze.
3. Panels: ___________.
4. Aluminum surfaces: Manufacturer's standard finish,
in color complementing panel finish.
D. Sizes: Indicated on drawings.
NOTE ** Retain the following Article to specify Woodfold
Series 540 Visifold Plus door.
2.4 ACCORDION FOLDING SECURITY DOORS
A. Acceptable Product: Woodfold Series 540 Visifold Plus
door.
B. Components:
NOTE ** Delete all but one of the following three
paragraphs to specify track type required.
1. Track: 1-1/8 inch by 1 inch aluminum, pre-punched
for screw fasteners for surface mounting.
2. Track: 1-1/8 inch by 1 inch aluminum, pre-punched
for screw fasteners, with aluminum hat channel for
recess mounting.
3. Track: 1/2 inch by 1-1/8 inch aluminum, I-beam
profile, with ceiling clips; capable of being formed
to 12-inch radius curve.
4. Roller assembly: Nylon wheels on ball-bearing steel
axles; rivet-attached to hinge, dual trolley at lead
post, single trolley at alternate panels, type for
specified track.
5. Hinge assembly: 18 gage steel, continuous pin, rivet-
attached to top and bottom of door panel, with
automatic stop at full extension.
NOTE ** Delete one of the following two paragraphs; first
paragraph specifies standard panel.
NOTE **
NOTE ** Optional panels of 1/8 inch thick material can be
specified using the second paragraph. Consult with
manufacturer for options.
6. Panel: 1/8 inch thick transparent acrylic sheet.
7. Panel: 1/8 inch thick _________________________.
8. Panel connector: Continuous steel vertical rods with
rigid polyvinyl chloride (PVC) hinge knuckles full
length of each panel edge.
9. Lead post: Extruded aluminum, 3/4 inch by 2-3/4 inch
cross-section.
NOTE ** Retain the following paragraph if specifying pairs
of doors or intersecting configurations.
10. Intersecting jamb molding: Types for indicated
configurations.
11. Handle: Rigid molded polyvinyl chloride (PVC).
NOTE ** Delete all but one of the following five paragraphs
to specify latching option required; pull with
keylock both sides is standard.
12. Latching: Magnetic catch.
13. Latching: Thumbturn one side with deadlatch.
14. Latching: Thumbturn both sides with springlatch.
15. Latching: Thumbturn one side, pull with keylock one
side, with deadlatch.
16. Latching: Pull with keylock both sides, with
deadlatch.
C. Finishes:
NOTE ** Delete all but one of the following three
paragraphs to specify panel finishes; first and
second paragraphs are for manufacturer's standard
finishes, third paragraph is for custom panel
finish.
1. Panels: Clear.
2. Panels: Bronze.
3. Panels: ___________.
4. Aluminum surfaces: Manufacturer's standard finish,
in color complementing panel finish.
D. Sizes: Indicated on drawings.
NOTE ** Retain the following Article to specify Woodfold
Series 140 door.
2.5 ACCORDION FOLDING UTILITY DOORS
A. Acceptable Product: Woodfold Series 140 door.
B. Components:
1. Track: 1-1/8 inch by 1 inch aluminum, pre-punched
for screw fasteners for surface mounting.
2. Roller assembly: Nylon wheels with Lexan axles;
rivet-attached to hinge, single trolley at alternate
panels.
3. Hinge assembly: 18 gage steel, continuous pin, rivet-
attached to top and bottom of door panel, with
automatic stop at full extension.
4. Panel: 1/4 inch thick medium-density fiberboard
(MDF), with rabbeted edge for panel connector.
5. Panel connector: Continuous non-rigid vinyl,
inserted and glued into panel rabbet.
6. Handle: Rigid molded polyvinyl chloride (PVC), full
length of door, with molded finger pull front side.
7. Latching: Magnetic catch, with strike plate for
attaching to wall or jamb.
C. Finishes:
NOTE ** Delete one of the following two paragraphs to
specify manufacturer's standard finishes on
standard panels; consult manufacturer's product
literature.
1. Panels: Vinyl laminate, ____________ pattern, sight-
exposed face; unfinished or utility grade back face,
manufacturer's option.
2. Panels: Hardwood veneer, ___________ species, with
sealer and clear lacquer topcoats, sight-exposed
face; unfinished or utility grade back face,
manufacturer's option..
3. Aluminum surfaces: Manufacturer's standard finish,
in color complementing panel finish.
D. Sizes: Indicated on drawings.
NOTE ** Retain the following Article to specify Woodfold
Series 220 door.
2.6 ACCORDION FOLDING ROOM DIVIDERS
A. Acceptable Product: Woodfold Series 220 door.
B. Components:
1. Track: 1-1/8 inch by 1 inch aluminum, pre-punched
for screw fasteners, for surface mounting.
2. Roller assembly: Nylon wheels with Lexan axles;
rivet-attached to hinge, single trolley at alternate
panels.
3. Hinge assembly: 18 gage steel, continuous pin, rivet-
attached to top and bottom of door panel, with
automatic stop at full extension.
4. Panel: 1/4 inch thick medium-density fiberboard
(MDF), with rabbeted edge for panel connector.
5. Panel connector: Continuous non-rigid vinyl,
inserted and glued into panel rabbet.
6. Handle: Rigid molded polyvinyl chloride (PVC), full
length of door, with molded finger pull both sides.
7. Latching: Magnetic catch, with strike plate for
attaching to wall or jamb.
C. Finishes:
NOTE ** A wide variety of non-standard finishes can be
applied to standard panels, including custom wood
finishes, wallcoverings, plastic laminates, custom
logos, and murals. Consult manufacturer for
available options.
NOTE **
NOTE ** Delete one of the following two paragraphs below to
specify manufacturer's standard finishes on
standard panels; consult manufacturer's product
literature.
1. Panels: Vinyl laminate, ____________ pattern.
2. Panels: Hardwood veneer, ___________ species, with
sealer and clear lacquer topcoats.
3. Aluminum surfaces: Manufacturer's standard finish,
in color complementing panel finish.
D. Sizes: Indicated on drawings.
NOTE ** Retain the following Article to specify Woodfold
Series 2100 door.
2.7 ACOUSTICAL RATED ACCORDION FOLDING DOORS
A. Acceptable Product: Woodfold Series 2100 door.
B. Components:
1. Track: 2 inches by 1-1/8 inches aluminum, pre-
punched for screw fasteners for surface mounting.
2. Head molding: Hardwood molding for sound seal to top
sweep strips.
3. Roller assembly: Nylon wheels on ball-bearing steel
axles; rivet-attached to hinge, dual trolley at lead
post, single trolley at alternate panels.
4. Hinge assembly: 18 gage steel, continuous pin, rivet-
attached to top and bottom of door panel, with
automatic stop at full extension.
5. Sound seal: Extruded vinyl sweeps attached to top
and bottom hinge assemblies; 1/2 inch wide sweep for
top hinge, 1-3/8 inches wide sweep for bottom hinge.
6. Panel: 1/4 inch thick medium-density fiberboard
(MDF), with rabbeted edge for panel connector.
7. Panel connector: Continuous non-rigid vinyl,
inserted and glued into panel rabbet.
8. Lead post: Extruded aluminum, 3/4 inch by 2-3/4 inch
cross-section.
9. Interlocking jamb moldings: Types for indicated
configurations; aluminum with sound seal gaskets.
10. Handle: Rigid molded polyvinyl chloride (PVC).
NOTE ** Retain one of the following four paragraphs to
specify latching option required; thumbturn both
sides is standard.
11. Latching: Thumbturn one side with deadlatch.
12. Latching: Thumbturn both sides with springlatch.
13. Latching: Thumbturn one side, pull with keylock one
side, with deadlatch.
14. Latching: Pull with keylock both sides, with
deadlatch.
C. Finishes:
NOTE ** A wide variety of non-standard finishes can be
applied to standard panels, including custom wood
finishes, wallcoverings, plastic laminates, custom
logos, and murals. Consult manufacturer for
available options.
NOTE **
NOTE ** Delete one of the following two paragraphs below to
specify manufacturer's standard finishes on
standard panels; consult manufacturer's product
literature.
1. Panels: Vinyl laminate, ____________ pattern.
2. Panels: Hardwood veneer, ___________ species, with
sealer and clear lacquer topcoats.
3. Head moldings: Finish coordinated with hardware and
track system.
4. Aluminum surfaces: Manufacturer's standard finish,
in color complementing panel finish.
D. Sizes: Indicated on drawings.
E. Field sound transmission class (FSTC): 21, when tested
in accordance with ASTM E 336.
NOTE ** Retain the following Article to specify Woodfold
Series 3300 door.
2.8 ACOUSTICAL RATED ACCORDION FOLDING DOORS
A. Acceptable Product: Woodfold Series 3300 door.
B. Components:
1. Track: 2-1/2 inches by 1-3/4 inches aluminum, pre-
punched for screw fasteners for surface mounting.
NOTE ** Delete one of the following two paragraphs to
specify head molding or optional head track.
2. Head molding: Hardwood molding for sound seal to top
sweep strips.
3. Head track: Aluminum, 2-piece, for sound seal to top
sweep strips.
4. Roller assembly: Nylon wheels on ball-bearing steel
axles; rivet-attached to connecting clips, dual
trolley at lead post, single trolley at alternate
panels, type for specified track.
5. Hinge assembly: 18 gage steel, continuous pin, rivet-
attached to top and bottom of door panel, with
automatic stop at full extension; pantograph action
for dual-wall door assembly.
6. Panel: 1/4 inch thick medium-density fiberboard
(MDF), with rabbeted edge for panel connector.
7. Acoustical liner: Applied to inside faces of both
walls.
8. Panel connector: Continuous non-rigid vinyl,
inserted and glued into panel rabbet.
9. Lead post: Extruded aluminum, 2-7/8 inches by 4-1/2
inches cross-section, with jamb molding.
NOTE ** Delete all but one of the following three
paragraphs.
10. Jamb panel: Flush type.
11. Jamb panel: Post type.
12. Jamb panel: Sliding type.
13. Handle: Rigid molded polyvinyl chloride (PVC).
NOTE ** Delete all but one of the following four paragraphs
to specify latching option required; thumbturn both
sides is standard.
14. Latching: Thumbturn one side with deadlatch.
15. Latching: Thumbturn both sides with springlatch.
16. Latching: Thumbturn one side, pull with keylock one
side, with deadlatch.
17. Latching: Pull with keylock both sides, with
deadlatch.
C. Finishes:
NOTE ** A wide variety of non-standard finishes can be
applied to standard panels, including custom wood
finishes, wallcoverings, plastic laminates, custom
logos, and murals. Consult manufacturer for
available options.
NOTE **
NOTE ** Delete one of the following two paragraphs below to
specify manufacturer's standard finishes on
standard panels; consult manufacturer's product
literature.
1. Panels: Vinyl laminate, ____________ pattern.
2. Panels: Hardwood veneer, ___________ species, with
sealer and clear lacquer topcoats.
3. Head moldings: Finish coordinated with hardware and
track system.
4. Aluminum surfaces: Manufacturer's standard finish,
in color complementing panel finish.
D. Sizes: Indicated on drawings.
E. Field sound transmission class (FSTC): 33, when tested
in accordance with ASTM E 336.
PART 3 EXECUTION
3.1 EXAMINATION
A. Verification of Conditions: Verify openings are in
accordance with approved shop drawings.
B. Installer's Examination:
1. Have installer of this section examine conditions
under which construction activities of this section
are to be performed, then submit written notification
if such conditions are unacceptable.
2. Transmit two copies of installer's report to
Architect within 24 hours of receipt.
3. Beginning construction activities of this section
before unacceptable conditions have been corrected is
prohibited.
4. Beginning construction activities of this section
indicates installer's acceptance of conditions.
3.2 INSTALLATION
A. Install door assembly components in accordance with
accepted shop drawings and manufacturer's printed
installation instructions.
3.3 ADJUSTING
A. Ensure that door assembly components operate correctly in
accordance with manufacturer's printed instructions.
END OF SECTION