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9.2.1 Factory-Built Metal Chimneys
These
are
sometimes
referred
to
as
'high
temp' chimneys because they have the specific
characteristics to withstand temperatures that
can be created by wood burning stoves. Factory-
built chimneys are tested as a system with all
the necessary components for installation. The
instructions provided with the chimney by its
manufacturer are the only reliable source of
installation guidelines. To be safe and effective, the
chimney must be installed exactly in accordance
with
the
manufacturer's
instructions.
Only
components intended for the brand and model
of chimney should be used. Never fabricate or
substitute parts from other chimney brands. The
chimney must be a type suitable for solid fuel.
To maintain an effective vapour barrier, insulation
and waterproof at the chimney and outside flue
pipe, a roof flashing must be installed and sealed
with silicone adhesive
Figure 24: Standard installation
9.2.2 Masonry Chimneys
The stove may also be connected to a masonry
chimney, provided the chimney complies with the
construction rules found in the building code enforced
locally. The chimney must have either a clay liner or
a suitably listed stainless steel liner. If the masonry
chimney has a square or rectangular liner that is
larger in cross-sectional area than a round 6" flue,
it should be relined with a suitably listed 6" stainless
steel liner. Do not downsize the flue to less than 6"
unless the venting system is straight and exceeds 25
feet in height. When passing through a combustible
wall, the use of an insulated listed thimble is required.
Figure 25: Masonry hearth installation
Installation and operation manual – Chic-Choc woodburning cookstove
Page 55
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