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C. Typical Fireplace System
The Heatilator fi replace system consists of the following:
•
Fireplace/integral grate/refractory/outside air system
•
Chimney termination cap
•
Chimney system
•
Hearth extension
Optional components include:
•
Glass doors
•
Chimney air kit
•
Fan kit (circulating fi replaces only)
•
Junction box (circulating fi replaces only)
Additional lateral
support for chimney
above roof (or enclosed
in chase) if needed
Non-combustible
roof flashing maintains
minimum clearance
around chimney
Support straps
on rafter supports
chimney (not shown)
Ceiling firestop
on floor of attic
Chimney system
Combustible
framing/header
on top of
V-shaped
standoffs
(spacers)
Outside
combustion air
Figure 2.2
Typical Fireplace System
Protective metal
hearth strip(s)
Heatilator • CST42A • 4012-012 Rev J • 08/06
Termination cap
Storm Collar
Chimney penetrates roof
preferably without affecting
roof rafters
Offset/Return (with hanger straps)
Attic insulation shield may
be used here to keep insulation
away from chimney
Framing headed off
in ceiling joists
Enclosed space above
and around fireplace
Mantel and surround
Decorative facing
and trim
Hearth extension
Factory-built fireplace
7
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