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I
NSTALLATION
P
14
AGE
Chimney
Height
•
Minimum 15'
system height
(measured from the
base of the
fireplace)
•
Maximum 35'
system height
(measured from the
base of the
fireplace)
? In some
problematic
situations,
additional chimney
height above the
specified
minimums may be
necessary to reduce
wind-induced
down drafting and
back puffing, or to
increase draft,
thereby improving
fireplace operating
characteristics.
Required
Chimney
Equipment
!
Depending on the manufacturer and where the chimney is to be installed, chimney supports, roof
braces, radiation shields, attic insulation shields, attic enclosures, spark arrestors, locking bands,
etc... may be required as part of the chimney system. The manufacturer's installation instructions,
which are reviewed by the listing agency, specifies when and where each of these components must
( C
ONTINUED
3' Min.
2" Min. Air
Space to
Combustibles
System Height
35' Max.
15' Min.
)
2' Min.
Rain Cap
Storm Collar
Flashing
Attic Firestop (with insulation shield)
Chimney must be totally
enclosed when passing
through living space with a
minimum 2" clearance to
combustibles.
Firestop Between Floor Levels
Cooling
Vent
10'
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