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18
W415-0763 / B / 10.28.11
4.1.5 TYPICAL EXISTING MASONRY
You can also install your appliance using your
existing masonry chimney. To do so, follow the
guidelines below. You may want to use a factory-
built thimble, or construct your own brick thimble.
If you are using a masonry chimney, it is
important that it be built in compliance with
the specifi cations of the Building Code in
your region. It must normally be lined with
fi re clay bricks, metal or clay tiles sealed
together with fi re cement. (Round fl ues are
the most effi cient). The maximum fl ue size
is 8” x 8” square or 6” round.
62.1
FLOOR
PROTECTOR
CHIMNEY
CONNECTOR
COMBUSTIBLE
WALL
CLEARANCE
EAVE
RAFTER
CLEARANCE WITH FIRESTOP
CEILING JOIST
THIMBLE
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