Greenheck Sleeve Extension Supplement (462103) - Manual

Application
Factory installed sleeves may need to be extended in the field. This supplement covers the following
applications:
• When the factory sleeve extends all the way through the rated barrier (Figure 1)
• When the factory sleeve ends in the plane of the rated barrier (Figure 2).
This supplemental installation instruction provides details for attachment of the sleeve extension. Consult
Authority Having Jurisdiction (AHJ) for approval.
Figure 1: Factory sleeve extends all the way
through the rated barrier.
Fire or Fire Smoke
Damper
Fire Rated Partition
Factory Sleeve
Minimum 1 in.
Overlap
Sleeve
Extension
“UL CLASSIFIED (see complete marking on
product)”
“UL CLASSIFIED to Canadian safety standards
(see complete marking on product)”
Standard 555 (Listing #R13317)
Standard 555S (Listing #R13447)
Document number 462103
INSTALLATION INSTRUCTION SUPPLEMENT
Sleeve Extensions
FD & DFD Series
1 1 /
2
Hour Curtain Fire Dampers and
FSD Series
Combination Fire Smoke Dampers
Refer to:
‘Installation Instructions for FD, DFD, SSFD, & KFD Models’
(Part #452763)
or
‘Installation Instructions for FSD-XXX, DFD-XXX, CFSD-XXX,
SSFSD-XXX Series Fire & Combination Fire Smoke Dampers’
(Part #461336)
or
‘Installation Instructions for FD & DFD 150X Series Curtain
Fire Dampers’ (Part #453946) for additional details.
®
Notes
1. Sleeve extension must be same material and gage
as factory sleeve.
2. The inside dimensions of the sleeve extension must
be the same dimensions as the outside dimensions
of the factory sleeve.
3. Sleeve extension must overlap the factory sleeve a
minimum of 1 in. (25mm).
Factory Sleeve Sleeve Extension
Connecting Joint of Sleeves
See notes 4,5, and 7
Fire or Combination Fire
Smoke Damper
Figure 2: Factory sleeve ends in the plane of the rated
barrier.
4. All four sides of the sleeve extension must be
attached to the factory sleeve. Attachments must
be spaced a maximum of 6 in. (152mm) on center
and a maximum of 2 in. (51mm) from corners. A
minimum of 2 attachments per side (8 per damper)
are required. One of the methods of attachment
shown below must be used.
- tack or spot welds
- #10 sheet metal screws
- 1/4 in. (6mm) bolts and nuts
- 3/16 in. (4.7mm) steel pop rivets