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2
2
Getting Started
A. Typical Fireplace System
Termination Cap
Chimney penetrates roof
preferably without affecting
roof rafters
Offset/Return
(with hanger straps)
Attic insulation shield
must be used to keep
insulation away
from chimney if
attic is insulated
Framing headed
off in ceiling joists
Chimney system
Mantel
Combustible
framing/header
Non-combustible material
Hearth extension
Protective metal
hearth strip(s)
Figure 2.1
Typical Fireplace System
Heatilator • C40-C Constitution Installation Manual • 4186-901 • Rev H • 03/23
Storm Collar
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
Outside
combustion air
Enclosed space above
and around fireplace
Chimney Air Kit (CAK-4A) (not
shown) must be used with SL300
chimney
Outside
combustion air
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