SECTION 08 35 00

ACCORDION FOLDING DOORS

Display hidden notes to specifier. (Don't know how? Click Here) 
 Copyright 2019 -  2024 ARCAT, Inc. - All rights reserved

PART 1    GENERAL
1.1	SECTION INCLUDES
A.	Wood accordion folding doors.
1.2	RELATED SECTIONS
A.	Division 01: Administrative, procedural, and temporary work requirements.
B.	Section 08 7100 - Door Hardware.
C.	Section 09 9100 - Painting.
D.	Section [__ ____ - _______]: Connection to power supply and control wiring.
1.3	REFERENCES
A.	ASTM International (ASTM):
1.	ASTM E90 - Standard Test Method for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions and Elements.
2.	ASTM E336 - Standard Method of Measurement of Airborne Sound Insulation in Buildings.
1.4	SUBMITTALS
A.	Submit under provisions of Section 01 30 00.
B.	Product Data:
1.	Manufacturer's data sheets for door units and hardware.
2.	Preparation instructions and recommendations.
3.	Storage and handling requirements and recommendations.
4.	Typical installation methods.
C.	Verification Samples: For each finish product specified, two samples, minimum size 4 inches (102 mm) square representing actual product, color, and patterns.
D.	Shop Drawings: Indicate opening sizes, jamb, sill and head conditions. Indicate materials, construction, and finish. Include relationship with adjacent construction. 
E.	Sustainable Design Submittals: 
1.	Recycled Content.
2.	Low-Emitting Materials.
F.	Closeout Submittals:
1.	Operation and Maintenance Data.
1.5	QUALITY ASSURANCE
A.	Manufacturer Qualifications: Company specializing in manufacturing products specified in this section with a minimum of five years documented experience.
B.	Installer Qualifications: Company specializing in performing Work of this section with minimum two years documented experience with projects of similar scope and complexity.
C.	Source Limitations: Provide each type of product from a single manufacturing source to ensure uniformity.
D.	Regulatory Requirements: Comply with applicable accessibility code for door opening force.
E.	Sustainable Product Requirements:
1.	Sheet products fabricated using low-emitting, urea formaldehyde-free binders.
2.	Recycled Content, Plywood Core: Minimum ___ percent.
3.	Recycled Content, Steel: Minimum 25 percent.
4.	Recycled Content, Aluminum: Minimum 25 percent.
F.	Mock-Up: Construct a mock-up of one full sized door, showing door construction, hardware and operations with actual materials in sufficient time for Architect's review and to not delay construction progress. Locate mock-up as acceptable to Architect and provide temporary foundations and support.
1.	Size: One full-size door.
2.	Show: Door construction, hardware, and operation.
3.	The intent of a mock-up is to demonstrate quality of workmanship and visual appearance.
4.	If the mock-up is not acceptable, rebuild the mock-up until satisfactory results are achieved.
5.	Retain mock-up during construction as a standard for comparison with completed work. 
6.	Do not alter or remove mock-up until work is completed or removal is authorized.
7.	Approved mock-up may remain as part of the Work. 
1.6	DELIVERY, STORAGE, AND HANDLING
A.	Store and handle in strict compliance with manufacturer's written instructions and recommendations.
B.	Protect from damage due to weather, excessive temperature, and construction operations.
1.	Do not deliver doors until proper protection can be provided and until needed for installation.
2.	Store products in manufacturer's unopened packaging until ready for installation.
1.7	PROJECT CONDITIONS
A.	Maintain environmental conditions (temperature, humidity, and ventilation) within limits recommended by manufacturer for optimum results. Do not install products under environmental conditions outside manufacturer's recommended limits.
1.8	WARRANTY
A.	Manufacturer's standard limited warranty against manufacturing defects.
PART 2    PRODUCTS
2.1	MANUFACTURERS
A.	Acceptable Manufacturer: Woodfold Mfg. Inc., which is located at:<BR />1811  18th Ave.<BR />Forest Grove, OR 97116-0346<BR />Tel: 503-357-7181<BR />Fax: 503-357-7185<BR />Email: request info (woodfold@woodfold.com);Web: http://www.woodfold.com 
B.	Substitutions: Not permitted.
C.	Requests for substitutions will be considered in accordance with the provisions of Section 01 60 00.
2.2	ACCORDION FOLDING DOORS
A.	Performance Requirements: Class 1 fire retardant door panel core material.
B.	Basis of Design: Accordion Folding Doors: Series 240 Door as manufactured by Woodfold Manufacturing, Inc.
1.	Standards Compliance: ADA/BOMA SEC 4.1311.
2.	Track: 1-1/8 x 1 inch (29 x 25 mm) aluminum, pre-punched for screw fasteners for surface mounting.
3.	Track: 1-1/8 x 1 inch (29 x 25 mm) aluminum, pre-punched for screw fasteners, with aluminum hat channel for recess mounting.
4.	Track: 1/2 x 1-1/8 inch (13 x 29 mm) aluminum, I-beam profile, with ceiling clips; capable of being formed to 12-inch (305 mm) radius curve.
5.	Roller Assembly: Nylon wheels on ball-bearing steel axles; riveted to hinge, dual trolley at lead post, single trolley at alternate panels, type for specified track.
6.	Hinge Assembly:18 gauge steel, continuous pin, riveted to top and bottom of door panel, with automatic stop at full extension.
7.	Panel Core: 1/4 inch (6 mm) thick medium density fiberboard with rabbeted edge for panel connector.
8.	Panel Facing: Laminate.
a.	Finish: Pattern: _____ on sight-exposed face.
b.	Finish: Pattern: As selected by Architect from Manufacturer's full range.
c.	Finish: Unfinished.
d.	Finish: Special: ________.
9.	Panel Facing: Hardwood veneer.
a.	Species: _____.
b.	Species: As selected by Architect.
c.	Finish: Sealer and clear lacquer topcoats on sight-exposed face.
d.	Finish: Unfinished.
e.	Finish: Special: ________.
10.	Aluminum: Manufacturers standard finish in color complimenting panel finish.
11.	Panel Connectors: Continuous non-rigid vinyl, inserted and glued into panel rabbet.
12.	Lead Post: Extruded aluminum, 3/4 x 2-3/4 inch (19 x 70 mm) cross-section.
13.	Intersecting Jamb Molding: Types required for indicated configurations.
14.	Handle: Rigid molded polyvinyl chloride.
15.	Latching: Thumbturn both sides with deadlatch.
16.	Latching: Magnetic catch.
17.	Latching: Thumbturn one side with deadlatch.
18.	Latching: Thumbturn one side, with keylock on side, with deadlatch.
19.	Latching: Keylock both sides, with deadlatch.
2.3	ACCORDION FOLDING SECURITY DOORS
A.	Basis of Design: Accordion Folding Security Doors: Series 440 Visifold Door as manufactured by Woodfold Manufacturing, Inc.
1.	Standards Compliance: ADA/BOMA SEC 4.1311.
2.	Track: 1-1/8 x 1 inch (29 x 25 mm) aluminum, pre-punched for screw fasteners for surface mounting.
3.	Track: 1-1/8 x 1 inch (29 x 25 mm) aluminum, pre-punched for screw fasteners, with aluminum hat channel for recess mounting.
4.	Track: 1/2 x 1-1/8 inch (13 x 29 mm) aluminum, I-beam profile, with ceiling clips; capable of being formed to 12-inch (305 mm) radius curve.
5.	Roller Assembly: Nylon wheels on ball-bearing steel axles; riveted to hinge, dual trolley at lead post, single trolley at alternate panels, type for specified track.
6.	Hinge Assembly: 18 gauge steel, continuous pin, riveted to top and bottom of door panel, with automatic stop at full extension.
7.	Panel Frame: Aluminum vertical channels, inside dimension between webs to accept 1/8 inch (3 mm) thick material.
8.	Panels: 1/8 inch (3 mm) thick transparent acrylic sheet.
9.	Panels: 1/8 inch (3 mm) thick _____.
10.	Panel Connectors: Continuous non-rigid vinyl, inserted into panel frame channel.
11.	Lead Post: Extruded aluminum, 3/4 x 2-3/4 inch (19 x 70 mm) cross section.
12.	Intersecting Jamb Molding: Types for indicated configurations.
13.	Handle: Rigid molded polyvinyl chloride.
14.	Latching: Thumbturn both sides with deadlatch.
15.	Latching: Magnetic catch.
16.	Latching: Thumbturn one side with deadlatch.
17.	Latching: Thumbturn one side, with keylock one side, with deadlatch.
18.	Latching: Keylock both sides, with deadlatch.
19.	Panel Finish: Clear.
20.	Panel Finish: Bronze.
21.	Panel Finish: _____.
22.	Aluminum Finish: Manufacturer's standard, in color complementing panel finish.
B.	Basis of Design: Accordion Folding Security Doors: Series 540 Visifold Plus Door as manufactured by Woodfold Manufacturing, Inc.
1.	Standards Compliance: ADA/BOMA SEC 4.1311.
2.	Track: 1-1/8 x 1 inch (29 x 25 mm) aluminum, pre-punched for screw fasteners for surface mounting.
3.	Track: 1-1/8 x 1 inch (29 x 25 mm) aluminum, pre-punched for screw fasteners, with aluminum hat channel for recess mounting.
4.	Track: 1/2 x 1-1/8 inch (13 x 29 mm) aluminum, I-beam profile, with ceiling clips; capable of being formed to 12-inch (305 mm) radius curve.
5.	Roller Assembly: Nylon wheels on ball-bearing steel axles; riveted to hinge, dual trolley at lead post, single trolley at alternate panels, type for specified track.
6.	Hinge Assembly: 18 gage steel, continuous pin, riveted to top and bottom of door panel, with automatic stop at full extension.
7.	Panels: 1/8 inch (3 mm) thick transparent acrylic sheet.
8.	Panels: 1/8 inch (3 mm) thick _____.
9.	Panel Connectors: Continuous non-rigid vinyl, inserted into panel frame channel.
10.	Lead Post: Extruded aluminum, 3/4 x 2-3/4 inch (19 x 70 mm) cross section.
11.	Intersecting Jamb Molding: Types for indicated configurations.
12.	Handle: Rigid molded polyvinyl chloride.
13.	Latching: Keylock both sides, with deadlatch.
14.	Latching: Magnetic catch.
15.	Latching: Thumbturn one side with deadlatch.
16.	Latching: Thumbturn both sides with springlatch.
17.	Latching: Thumbturn one side, with keylock one side, with deadlatch.
18.	Latching: Thumbturn both sides with deadlatch.
19.	Panel Finish: Clear.
20.	Panel Finish: Bronze.
21.	Panel Finish: _____.
22.	Aluminum Finish: Manufacturer's standard, in color complementing panel finish.
C.	Basis of Design: Accordion Folding Security Doors: Series 640 Aumifold Door as manufactured by Woodfold Manufacturing, Inc.
1.	Track: 1-1/8 x 1 inch (29 x 25 mm) aluminum, pre-punched for screw fasteners for surface mounting.
2.	Track: 1-1/8 x 1 inch (29 x 25 mm) aluminum, pre-punched for screw fasteners, with aluminum hat channel for recess mounting.
3.	Track: 1/2 x 1-1/8 inch (13 x 29 mm) aluminum, I-beam profile, with ceiling clips; capable of being formed to 12-inch (305 mm) radius curve.
4.	Roller Assembly: Nylon wheels on ball-bearing steel axles; riveted to hinge, dual trolley at lead post, single trolley at alternate panels, type for specified track.
5.	Hinge Assembly: 18 gage steel, continuous pin, riveted to top and bottom of door panel, with automatic stop at full extension.
6.	Panels: 0.08 inch (2 mm) thick solid aluminum, 4-1/4 inches (108 mm) wide.
7.	Panel Connectors: Continuous non-rigid vinyl, inserted into panel frame channel.
8.	Lead Post: Extruded aluminum, 3/4 x 2-3/4 inch (19 x 70 mm) cross section.
9.	Intersecting Jamb Molding: Types for indicated configurations.
10.	Handle: Rigid molded polyvinyl chloride.
11.	Latching: Thumbturn both sides with deadlatch.
12.	Latching: Magnetic catch.
13.	Latching: Thumbturn one side with deadlatch.
14.	Latching: Thumbturn one side, with keylock one side, with deadlatch.
15.	Latching: Keylock both sides, with deadlatch.
16.	Panel Finish: Clear anodized aluminum, solid.
17.	Panel Finish: Clear anodized aluminum, decorative perforation, nominal 1/2 x 1 inch (13 x 25 mm) openings.
18.	Steel Finish: Manufacturer's standard, in color complementing panel finish.
19.	Aluminum Finish: Manufacturer's standard, in color complementing panel finish.
D.	Basis of Design: Accordion Folding Security Doors: Series 740 Alumifold Door as manufactured by Woodfold Manufacturing, Inc.
1.	Track: 1-1/8 x 1 inch (29 x 25 mm) aluminum, pre-punched for screw fasteners for surface mounting.
2.	Track: 1-1/8 x 1 inch (29 x 25 mm) aluminum, pre-punched for screw fasteners, with aluminum hat channel for recess mounting.
3.	Track: 1/2 x 1-1/8 inch (13 x 29 mm) aluminum, I-beam profile, with ceiling clips; capable of being formed to 12-inch (305 mm) radius curve.
4.	Roller Assembly: Nylon wheels on ball-bearing steel axles; riveted to hinge, dual trolley at lead post, single trolley at alternate panels, type for specified track.
5.	Hinge Assembly: 18 gage steel, continuous pin, riveted to top and bottom of door panel, with automatic stop at full extension.
6.	Panels: 0.08 inch (2 mm) thick solid aluminum, 4-1/4 inches (108 mm) wide.
7.	Panel Connectors: Continuous non-rigid vinyl, inserted into panel frame channel.
8.	Lead Post: Extruded aluminum, 3/4 x 2-3/4 inch (19 x 70 mm) cross section.
9.	Intersecting Jamb Molding: Types for indicated configurations.
10.	Handle: Rigid molded polyvinyl chloride.
11.	Latching: Keylock both sides, with deadlatch.
12.	Latching: Thumbturn both sides with springlatch.
13.	Latching: Thumbturn both sides with deadlatch.
14.	Panel Finish: Clear anodized aluminum, solid.
15.	Panel Finish: Clear anodized aluminum, decorative perforation, nominal 1/2 x 1 inch (13 x 25 mm) openings.
16.	Steel Finish: Manufacturer's standard, in color complementing panel finish.
17.	Aluminum Finish: Manufacturer's standard, in color complementing panel finish.
2.4	ACCORDION FOLDING ROOM DIVIDER DOORS
A.	Basis of Design: Accordion Folding Room Divider Doors: Series 220 Door as manufactured by Woodfold Manufacturing, Inc.
1.	Standards Compliance: ADA/BOMA SEC 4.1311.
2.	Track: 1-1/8 x 1 inch (29 x 25 mm) aluminum, pre-punched for screw fasteners for surface mounting.
3.	Roller Assembly: Nylon wheels with Lexan axles; riveted to hinge, single trolley at alternate panels.
4.	Hinge Assembly: 18 gage steel, continuous pin, riveted to top and bottom of door panel, with automatic stop at full extension.
5.	Panels: 1/4 inch (6 mm) thick medium density fiberboard with rabbeted edge for panel connector.
6.	Panel Connectors: Continuous non-rigid vinyl, inserted and glued into panel rabbet.
7.	Handle: Rigid molded polyvinyl chloride, full length of door, with molded finger pull front side.
8.	Latching: Magnetic catch, with strike plate.
9.	Panel Facing: Laminate.
a.	Finish: Pattern: _____ on sight-exposed face.
b.	Finish: Pattern: As selected by Architect from Manufacturer's full range.
c.	Finish: Unfinished.
d.	Finish: Special: ________.
10.	Panel Facing: Hardwood veneer.
a.	Species: _____.
b.	Species: As selected by Architect.
c.	Finish: Sealer and clear lacquer topcoats on sight-exposed face.
d.	Finish: Unfinished.
e.	Finish: Special: ________.
11.	Aluminum Finish: Manufacturer's standard, in color complementing panel finish.
2.5	ACCORDION FOLDING ACOUSTIC RATED DOORS
A.	Basis of Design: Accordion Folding Acoustic Rated Doors: Series 2100 Door as manufactured by Woodfold Manufacturing, Inc.
1.	Sound Transmission Class (STC): 21, tested to ASTM E90.
2.	Track: 2 x 1-1/8 inch (51 x29 mm) aluminum, pre-punched for screw fasteners for surface mounting. 
3.	Head Molding: Hardwood molding for sound seal to top sweep strips. 
4.	Roller Assembly: Nylon wheels on ball-bearing steel axles; riveted to hinge, dual trolley at lead post, single trolley at alternate panels.
5.	Hinge Assembly: 18 gauge steel, continuous pin, riveted to top and bottom of door panel, with automatic stop at full extension.
6.	Sound Seal: Extruded vinyl sweeps attached to top and bottom hinge assemblies; 1/2 inch (13 mm) wide sweep for top hinge, 1-3/8 inches (35 mm) wide sweep for bottom hinge.
7.	Panels: 1/4 inch (6 mm) thick medium density fiberboard with rabbeted edge for panel connector.
8.	Panel Connectors: Continuous non-rigid vinyl, inserted and glued into panel rabbet.
9.	Lead Post: Extruded aluminum, 3/4 x 2-3/4 inch (19 x 70 mm) cross section.
10.	Interlocking Jamb Molding: Types for indicated configurations; aluminum with sound seal gaskets.
11.	Handle: Rigid molded polyvinyl chloride.
12.	Latching: Thumbturn both sides with deadlatch.
13.	Latching: Thumbturn one sides with deadlatch.
14.	Latching: Thumbturn one side, pull with keylock one side, with deadlatch.
15.	Latching: Keylock both sides, with deadlatch.
16.	Latching: Magnetic catch.
17.	Panel Facing: Laminate.
a.	Finish: Pattern: _____ on sight-exposed face.
b.	Finish: Pattern: As selected by Architect from Manufacturer's full range.
c.	Finish: Unfinished.
d.	Finish: Special: ________.
18.	Panel Facing: Hardwood veneer.
a.	Species: _____.
b.	Species: As selected by Architect.
c.	Finish: Sealer and clear lacquer topcoats on sight-exposed face.
d.	Finish: Unfinished.
e.	Finish: Special: ________.
19.	Aluminum Finish: Manufacturer's standard, in color complementing panel finish.
B.	Basis of Design: Accordion Folding Acoustic Rated Doors: Series 3300 Door as manufactured by Woodfold Manufacturing, Inc.
1.	Field Sound Transmission Class (FSTC): 33, tested to ASTM E336.
2.	Track: 2-1/2 x 1-3/4 inch (51 x 44 mm) aluminum, pre-punched for screw fasteners for surface mounting.
3.	Head Molding: Hardwood molding for sound seal to top sweep strips, painted white.
4.	Head Track: Aluminum ceiling guard, two-piece, for sound seal to top sweep strips. 
5.	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.
6.	Hinge Assembly: 18 gage steel, continuous pin, riveted to top and bottom of door panel, with automatic stop at full extension; pantograph action for dual-wall door assembly.
7.	Panels: 1/4 inch (6 mm) thick medium density fiberboard with rabbeted edge for panel connector.
8.	Acoustical Liner: Applied to inside faces of both walls.
9.	Panel Connectors: Continuous non-rigid vinyl, inserted and glued into panel rabbet.
10.	Lead Post: Extruded aluminum, 2-7/8 x 4-1/2 inch (73 mm x 114 mm) cross section with jamb molding.
11.	Jamb Panel Type: Flush.
12.	Jamb Panel Type: Post.
13.	Jamb Panel Type: Sliding.
14.	Handle: Rigid molded polyvinyl chloride.
15.	Latching: Thumbturn both sides with deadlatch.
16.	Latching: Thumbturn one sides with deadlatch.
17.	Latching: Thumbturn one side, with keylock one side, with deadlatch.
18.	Latching: Keylock both sides, with deadlatch.
19.	Latching: Magnetic catch.
20.	Panel Facing: Laminate.
a.	Finish: Pattern: _____ on sight-exposed face.
b.	Finish: Pattern: As selected by Architect from Manufacturer's full range.
c.	Finish: Unfinished.
d.	Finish: Special: ________.
21.	Panel Facing: Hardwood veneer.
a.	Species: _____.
b.	Species: As selected by Architect.
c.	Finish: Sealer and clear lacquer topcoats on sight-exposed face.
d.	Finish: Unfinished.
e.	Finish: Special: ________.
22.	Aluminum Finish: Manufacturer's standard, in color complementing panel finish.
23.	Head Molding Finish: Coordinated with hardware and track system.
C.	Accordion Folding Acoustic Rated Doors: 
1.	Basis of Design: Series 4166. As manufactured by Woodfold Manufacturing, Inc.
2.	Basis of Design: Series 4188. As manufactured by Woodfold Manufacturing, Inc.
3.	Field Sound Transmission Class (FSTC): 41, tested to ASTM E336.
4.	Track: 2 x 1-1/4 inch (51 x 32 mm) aluminum, pre-punched for screw fasteners for surface mounting.
5.	Head Molding: Hardwood molding for sound seal to top sweep strips.
6.	Head Track: Aluminum, for sound seal to top sweep strips. 
7.	Ceiling Guard Track: Aluminum. 
8.	Roller Assembly: Nylon-tired steel ball-bearing wheels; 4 wheeled carriers on each volute and at lead post, typed specified for track. 
9.	Hinge Assembly: 16 gage steel, pantograph action for dual-wall door assembly.
10.	Panels: 1/2 inch (12 mm) thick medium density fiberboard with routed edge for vinyl hinging.
a.	Panel Width Door 4166: 6 inch (152 mm).
b.	Panel Width Door 4188: 8 inch (203 mm).
11.	Acoustical Liner: Applied to inside faces of both walls.
12.	Panel Connectors: Continuous non-rigid vinyl, inserted and attached into routed edge.
13.	Lead Post: Extruded aluminum, 3-7/16 x 4-7/8 inch (87 x 124 mm) cross section with jamb molding.
14.	Jamb Panel: Post type.
15.	Jamb Panel: Sliding type.
16.	Handle: Steel.
17.	Latching: Thumbturn both sides with deadlatch.
18.	Latching: Thumbturn one side with deadlatch.
19.	Latching: Thumbturn one side, with keylock one side, with deadlatch.
20.	Latching: Keylock both sides, with deadlatch.
21.	Panel Facing: Laminate.
a.	Pattern: _____ on sight-exposed face.
b.	Pattern: As selected by Architect from Manufacturer's full range.
22.	Aluminum Finish: Manufacturer's standard, in color complementing panel finish.
23.	Head Molding Finish: Coordinated with track system.
PART 3    EXECUTION
3.1	EXAMINATION
A.	Do not begin installation until the substrates have been properly constructed and prepared.
B.	If substrate preparation is the responsibility of another installer, notify Architect in writing of unsatisfactory preparation before proceeding.
3.2	PREPARATION
A.	Clean surfaces thoroughly prior to installation.
B.	Prepare surfaces using the methods recommended by the manufacturer for achieving the best result for the substrate under the project conditions.
3.3	INSTALLATION
A.	Install in accordance with manufacturer's instructions, approved submittals, and in proper relationship with adjacent construction without distortion or stress.
B.	Fit and align door assembly, including hardware, level and plumb, to provide smooth operation.
C.	Adjust doors for smooth operation throughout full operating range. 
3.4	FIELD QUALITY CONTROL
A.	Field Inspection: Coordinate field inspection in accordance with appropriate sections in Division 01.
B.	Manufacturer's Services: Coordinate manufacturer's services in accordance with appropriate sections in Division 01.
3.5	CLEANING AND PROTECTION
A.	Clean products in accordance with the manufacturers recommendations. 
B.	Touch-up, repair or replace damaged products before Substantial Completion.

END OF SECTION