Greenheck Tunnel Corridor Supplement User Manual
®
Refer to:
‘Installation Instructions for CFSD Series
Corridor Ceiling Dampers’ (Part #461335) for
additional details.
Document Number 463832
INSTALLATION INSTRUCTION SUPPLEMENT
CFSD Series
1 Hour Corridor Ceiling Fire Smoke Dampers
Metal Stud Framing for Fire Dampers in Tunnel Corridor
Shaftwall Ceilings
“UL CLASSIFIED (see complete marking on
product)”
“UL CLASSIFIED to Canadian safety standards
(see complete marking on product)”
Standard 555, 555S (Listing #R13317)
Notes
1. Gypsum panels must be screwed 12 in. (305mm) O.C.
(on center) maximum to all stud and runner flanges
surrounding opening with 1 5/8 in. (41mm) drywall screws
or fasteners designated by the appropriate corridor
ceiling design. (See Figure 1 for Opening Preparation
Details).
2. Retaining angles must be attached to the sleeve (not the
partition). (See Figure 2 and 3.)
- Retaining angles must be a minimum of 20 gauge
(1mm) steel and have a minimum of 11/2 in. x 11/4 in.
(38mm x 32mm) legs.
- Retaining angles must be attached to the sleeve using
one of the methods shown below.
- tack or spot welds
- #10 sheet metal screws
- 1/4 in. x 20 bolts and nuts
- 3/16 in. (4.7mm) steel rivets
- Quick-Lock Joints
- A minimum of two connections per side, top, and
bottom (12 in. [305mm] on center maximum).
- Retaining angles must overlap the partition a minimum
of 1 in. (25mm)
- A minimum
termination may be used in lieu of retaining angles on
the corridor side of the damper sleeve.
3
/4 in. x 20 gauge (19mm x 1mm) flange
Side
Two
Panhead
Screws
Detail ‘A’
24" O.C.
Maximum
Side
Runner
AA
12”
Runner
2”
2”
Figure #1: Opening Preparation Detail (top view)
Cut here and
bend down
Detail ‘A’: Forming Channel
1”
Min.
2 1⁄2” min. stud
Damper
Sleeve
Angle
Fastener
(see Note 2)
20 ga. steel
stud
Retaining
angle
Screws
5
/8" UL Classified Gypsum
Wallboard min.
2 1⁄2” min.
stud
Section A-A
Figure #2: 1 Hour Shaftwall Rating (‘C’ Channel)
1”
Min.
2 1⁄2” 20 ga.
steel J-Runner
Damper
Sleeve
Angle
Fastener
(see Note 2)
20 ga. steel
J-Runner
Retaining
angle
C-H Stud
5
/8" UL Classified Gypsum
Wallboard min. (see UL
Rated Wall Design for
Additional Details)
Screws
Section A-A
Figure #3: 1 Hour Shaftwall Rating (‘C-H’ Channel)
463832 Tunnel Corridor Supplement Rev. 5 January 2013
Copyright © 2013 Greenheck Fan Corporation
2 1⁄2” min.
stud
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