7100FP EPA Woodburning Fireplace
5
Chimney Assembly
Figure 20.1 Typical Chimney System - Guidelines for Chimney System Installation
Page 20
Chimney must extend
beyond combustible
roof structure
Maintain minimum
height of chimney
above roof
Install roof flashing
according to minimum
requirements
Offsets/returns
may not exceed
30° from vertical
NOTE:
•
Chimney performance may vary.
•
Trees, buildings, roof lines and wind conditions affect
performance.
•
Chimney height may need adjustment if smoking or
overdraft occurs.
Termination Cap
Additional
support for
tall chimneys
Storm Collar
Maintain minimum
clearances to
combustibles as
specified
Support straps for offsets/
returns must be secured
to adequate framing
Ceiling firestops
are required where
chimney passes
through ceiling or
floor
433-1390G
R
September 1, 2008