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Installation Example: Class A Chimney Retrofit
Type "L" Vent
Floor Protection
Storm Collar
Roof Flashing
Travis Industries
Installation
3"
Minimum
"Tee"
6" Minimum
3" Min.
2" Min.
2"
Minimum
Outside
Air
(optional)
9" Minimum
Class A Chimney
Class A Chimney must
maintain clearances outlined
in the chimney's installation
instructions (usually 2").
Class A Chimney Ceiling Support
"L" Vent to Class A Chimney Adapter
"L" Vent
Outside air may be drawn from
a ventilated crawl space.
4 0 1 1 0 0 9
Seal each vent
section (including
adapters, elbows,
etc...) by injecting a
liberal amount of
500° F. RTV
silicone into the gap
between sections.
Floor Protection
9 3 5 0 8 1 2 6
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