5 Getting Started Installer Guide
A. Typical Fireplace System
Termination Cap
Storm Collar
Chimney penetrates roof
preferably without affecting 
roof rafters
Offset/Return
(with hanger straps)
Attic insulation shield (not shown) must be
used here to keep insulation away
from chimney if
attic is insulated
Framing headed off in ceiling joists
Chimney system
Mantel
Combustible framing/header on top of
Decorative facing and trim
Hearth extension
Protective metal 
hearth strip(s)
Additional lateral support for chimney above roof (or enclosed in chase) if needed
roof flashing maintains minimum clearance around chimney
Support straps on rafter supports chimney (not shown)
Outside combustion air
Enclosed space above and around fireplace
Outside combustion air
Figure 5.1 Typical Fireplace System
4/20/11 | Heatilator • Constitution EPA Fireplace • | Page 31 |
