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November 11, 2008
Heatilator • Constitution EPA Fireplace • 480-1091C
Page 19
NOTE:
• Chimney performance may vary.
• Trees, buildings, roof lines and wind conditions affect
performance.
• Chimney height may need adjustment if smoking or
overdraft occurs.
Chimney must extend
beyond combustible
roof structure
Maintain minimum
height of chimney
above roof
Additional
support for
tall chimneys
Install roof flashing
according to minimum
requirements
Maintain minimum
clearances to
combustibles as
specified
Offsets/returns
may not exceed
30° from vertical
Ceiling firestops
are required where
chimney passes
through ceiling or
fl
oo
r
Support straps for offsets/
returns must be secured
to adequate framing
Termination
C
ap
Storm Collar
Figure 19.1 Typical Chimney System - Guidelines for Chimney System Installation
5
Chimney Assembly