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5. Using a fire screen at the extremity of the chimney
requires regular inspection to ensure that it is not
obstructed thus blocking the draft, and it should be
cleaned when used regularly.
FACTORY BUILT CHIMNEY
Listed
Chimney
Combustible
Ceiling Joists
Chimney
Connector
Listed Cap
Maintain 2"
Storm Collar
Clearance
Flashing
Listed
Chimney
Ceiling
Support
*
Chimney
Connector
To Stove
Floor
Protector
When a metal prefabricated chimney is used, the
manufacturer's
installation
followed. You must also purchase (from the same
manufacturer) and install the ceiling support package
or wall pass-through and "T" section package, firestops
(where needed), insulation shield, roof flashing, chimney
cap, etc. Maintain proper clearance to the structure as
recommended by the manufacturer. The chimney must be
the required height above the roof or other obstructions
for safety and proper draft operation.
MASONRY CHIMNEY
Ensure that a masonry chimney meets the minimum
standards of the National Fire Protection Association
(NFPA) by having it inspected by a professional. Make
sure there are no cracks, loose mortar or other signs
of deterioration and blockage. Be sure to the chimney
cleaned before the stove is installed and operated. When
connecting the stove through a combustible wall to a
masonry chimney, special methods are needed.
© 2023 United States Stove Company
Attic
Insulation
Sheild
Specified
Clearance
Ceiling
Support
To Stove
* Refer to Clearance
to Combustibles
Combustible Wall
instructions
must
Concrete Cap
1" Clearance
with Firestop
Rafter
Flashing
Combustible Wall
Thimble
12" of Brick
To Stove
Floor
Protector
COMBUSTIBLE WALL CHIMNEY
CONNECTOR PASS-THROUGHS
METHOD A - 12" (304.8 mm) Clearance to Combustible
Wall Member: Using a minimum thickness 3.5" (89 mm)
brick and a 5/8" (15.9 mm) minimum wall thickness clay
liner, construct a wall pass-through. The clay liner must
conform to ASTM C315 (Standard Specification for
Clay Fire Linings) or its equivalent. Keep a minimum of
be
12" (304.8 mm) of brick masonry between the clay liner
and wall combustibles. The clay liner shall run from the
brick masonry outer surface to the inner surface of the
chimney flue liner but not past the inner surface. Firmly
grout or cement the clay liner in place to the chimney flue
liner.
10
INSTALLATION
Fireclay Flue
Liner With
Airspace
Flashing
Eave
1" Clearance
Sheathing
Airtight
Cleanout
Door
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