Part #462102
INSTALLATION INSTRUCTION SUPPLEMENT
®
Refer to:
Wood Stud Framing for Fire Dampers in Drywall
‘Installation Instructions for FD, DFD, SSFD, & KFD Models’
Partitions Utilizing One Retaining Angle
(Part #452763)
or
FD & DFD Series
‘Installation Instructions for FSD-XXX, DFD-XXX, & CFSD-XXX,
SSFSD-XXX Series Fire & Combination Fire Smoke Dampers’
(Part #461336)
11/2 Hour Curtain Fire Dampers and
FSD & SSFSD Series
11/2 Hour Combination Fire Smoke Dampers
Vertical Mount
or
‘Installation Instructions for FD & DFD 150X Series Curtain Fire
Dampers’ (Part #453946) for additional details.
“UL CLASSIFIED
Notes
(see complete marking on product)”
“UL CLASSIFIED to Canadian safety standards
(see complete marking on product)”
Standards UL 555 & 555S
1. Gypsum panels must be screwed 12 in. (305mm) on center
maximum to all stud and runner flanges surrounding
opening. (See Figure 1 for Opening Preparation Details).
Classifications Filed at UL under Listing #R13317
2. Fire damper and sleeve assemblies 80 in. W x 50 in. H
(2032mm x 1270mm), 50 in. W x 80 in. H
(1270mm x 2032mm), or 40 in. W x 100 in. H
(1016mm x 2540mm) and smaller only require retaining
angles on one side of the partition. (See Figure 2 and
Figure 3). Retaining angles must be attached to the
sleeve and the partition. Larger damper assemblies require
retaining angles on both sides of the partition. Retaining
angles must be attached to the sleeve.
24 in. o.c.
Maximum
(metal studs)
24 in. o.c.
Maximum
(metal studs)
Ceiling Runner
12 in.
• Retaining angles must be a minimum of 16 gauge (1.5mm)
steel and have a minimum of 11/2 in. x 21/2 in. legs
(38mm x 63mm).
• Retaining angles must be attached to the sleeve using
one of the methods shown below:
24 in. o.c.
Maximum
• tack or spot welds
• #10 sheet metal screws and bolts
• Retaining angles must be attached to the partition using
drywall screws of a length such that the screw engages
the stud by a minimum of 1 3/4 in. (44mm)
• A minimum of two connections per side, top, and bottom,
12 in. (305mm) O.C. maximum for openings of
48 in. W x 36 in. H (1219mm x 914mm) and less, and
6 in. (152mm) O.C. for openings 80 in. W x 50 in. H
(2032mm x 1270mm), 50 in. W x 80 in. H,
(1270mm x 2032mm) and 40 in. W x 100 in. H
(1016mm x 2540mm)or less.
2 in.
2 in.
2 Panhead
Screws
16 in. o.c.
Maximum
16 in. o.c.
Maximum
(wood studs)
(wood studs)
Floor Runner
Figure #1: Opening Preparation Detail (double vertical
studs are not required for openings 36 in. x
36 in. [914mm x 914mm] or smaller)
• Retaining angles must overlap the partition a minimum of
1 in. (25mm)
Damper
Sleeve
Damper
Sleeve
2 1/2 in. Min.
Stud or Runner
2 1
/
2
in. Min.
Stud or Runner
1/2 in. UL Classified
1
/
2
in. UL Classified
Gypsum Wallboard (see
UL Rated Wall Design
for Additional Details)
Gypsum Wallboard (see
UL Rated Wall Design
for Additional Details)
Angle Fastener
Angle Fastener
(see Note 2)
(see Note 2)
11⁄2 in. x 21⁄2 in.
11⁄2 in. x 21⁄2 in. 16
16 ga. angle
ga. angle
Figure #2: 1 Hour Wall Rating
Figure #3: 2 Hour Wall Rating
Copyright © 2008 Greenheck Fan Corporation
462102 Wood Stud Supplement
Rev. 4 March 2008
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