Hearth and Home Technologies NorthStar-BK Indoor Fireplace User Manual


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September 1, 2008
September 1, 2008
Heat & Glo • NorthStar EPA Fireplace • 480-1081C
Page 23
F. Install the Ceiling Firestops
• Mark andcutanopeningintheceilingfortheceiling
restopbeingused.SeeFigure23.2.
• Frame the opening with the same size lumber used in the
ceiling joists.
• Installtherestopspacer.
Theserestopspacers aredesigned toprovide the
minimum 2 in. (51 mm) air space required around the
chimney. In all situations,therestopspacersaretobe
nailedtotheceilingjoistsfromthebottomorreplace
side, EXCEPT when the space above is an insulated
ceilingoratticspace.Inthissituation,therestopspacer
must be nailed from the top side to prevent loose insula-
tion from falling into the required 2 in. (51 mm) air space
around the chimney.
NOTE: See Figures 24.1 and 24.2 on page 24.
Note: TheceilingrestopMUSTbenailedtothebottom
of the ceiling joists EXCEPT when the space above is
uninsulated and the attic insulation shield is not being used
(see Figure 23.2). When the attic insulation shield is used
theceilingrestopmaybeaboveorbelowthejoistofan
insulated ceiling.
Note: You must provide support for the pipe during
construction and check to be sure inadvertent loading has
notdislodgedthechimneysectionfromthereplaceorat
any chimney joint.
• Ceilingrestopsmustbeusedatceiling/oor.
• Chaseconstructionrequiresceilingrestopsateach
oororevery10ft(3.05m)ofclearspace.
• Use same dimensional lumber as joists.
Ceilingrestopslowsspreadofreandreducescoldair
inltration.
CAUTION
ROOM ABOVE (non-insulated ceiling)
ATTIC ABOVE (insulated ceiling)
B
A
Ceilng firestop
attached to bottom
of framing
Ceiling firestop
attached to top of
framing
When attic insulation
shield not used
Note: Use same dimensional lumber for framing
ceiling firestop and joists.
2 in. (51mm)
clearance
2 in. (51mm)
clearance
Figure 23.2 Installing the Ceiling Firestop
Catalog #
A B
in. mm in. mm
FS338
14-1/2 368 14-1/2 368
FS339
14-1/2 368 18-3/8 467
FS340
14-1/2 368 23 584
Wire Ties
Wire Ties
4" Flex
Figure 23.1 Installing Flex Pipe
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