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Non-combustible
roof flashing maintains
minimum clearance
around chimney
Additional lateral
support for chimney
above roof (or enclosed
in chase) if needed
Ceiling firestop
on floor of attic
Support straps
on rafter support
chimney (not shown)
Termination cap
Chimney penetrates roof
preferably without affecting
roof rafters
Offset & Return (with hanger straps)
Framing headed off
in ceiling joists
Enclosed space above
and around fireplace
Mantel and surround
Decorative facing
and trim
Hearth extension
Factory-built fireplace
Protective metal
hearth strip(s)
Outside
combustion air
Combustible framing/header
on top of V-shaped standoffs
Chimney system
Attic insulation shield or thimble
(not shown) must be used here to keep
insulation away from chimney
if attic is insulated
Storm Collar
Roof
Flashing
4
Heatilator • MEL36, MEL42 Installation Manual • 4044-212 • Rev D • 01/06/15
2
Getting Started
A. Typical Fireplace System
Figure 2.1 Typical Fireplace System
*Glass doors not shown.
*Chimney Air Kit (not shown)
required in Canada
