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INSTALLATION
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 instructions must be 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
Attic
Insulation
Sheild
Specified
Clearance
Ceiling
Support
To Stove
* Refer to Clearance
to Combustibles
Combustible Wall
stove is installed and operated. When connecting the stove
through a combustible wall to a masonry chimney, special
methods are needed.
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 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.
11
Fireclay Flue
Liner With
Airspace
Flashing
Eave
1" Clearance
Sheathing
Airtight
Cleanout
Door
© 2023 Breckwell Hearth
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