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LIGHTWEIGHT BLOCK-IN - SPECIFICATIONS (Cont.)
Factory-Built Chimney (Continued)
Chimney Height
The system height,
measured from the
floor the fireplace
sets on to the top of
the chimney cap,
must not exceed 35'
or be below 15'.
(See the illustration
to the right).
3' Min.
2" Min. Air
Space to
Combustibles
System Height
35' Max.
15' Min.
Page 18
Rain Cap
2' Min.
10'
Storm Collar
Flashing
Roof Framing (See Roof Opening Table)
Attic Firestop
Chimney must be totally
enclosed when passing
through living space with a
minimum 2" clearance to
combustibles.
Firestop Between Floor Levels
Chimney Adapter
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