
fixation. The ceiling adaptor is not designed to 10.3 Obstructions:
support the weight of the chimney.
8.2 Radiation shield/firestop: Install a radiation
shield/firestop around the chimney where it If electrical
passes through the ceiling. Insulation material cables or plastic plumbing pipes are in the way, a
must not come in contact with the chimney. specialized contractor should remove them..
10.4 Maximum allowed offsets: Don't install
more than 4 elbows in the chimney. Offset
cannot be more than 45 degrees from the vertical
axis. The sum of all offsets (elbows) must never
9.1 Cathedral ceiling adaptor (Drawing 8):exceed 120 degrees. For example, maximum
The cathedral ceiling adaptor is 17" (432 mm) allowed offsets would include: Four 30-degree
wide by 16" (407 mm) deep. You will need to
pierce an opening in the ceiling of the same
dimensions measured from the wall. Anchor the
cathedral adaptor with screws on the inside of the
cathedral adaptor box. Fix the screws on the
adjacent wall and on wood support pieces
installed for that purpose in the ceiling. The
cathedral adaptor is not designed to support the
weight of the chimney.
9.2 Decorative collar: Three 3" wide (75 mm)
finishing strips of adjustable length are supplied
with the fireplace to provide a finishing touch and
conceal the joint between the ceiling and the
cathedral adaptor.
9.3 Rigid rockwool insulation: Install the rigid
insulation pads that are supplied with the
fireplace inside the cathedral adaptor. Do not
completely fill the cathedral adaptor with the
insulation. There must always be at least 2" (50
mm) free for air space between the insulation and
the chimney.
10.1 Listed parts: For the installation of the
chimney, use only ULC or UL listed parts elbows (4x30=120) or two 45-degree elbows plus
supplied by the chimney manufacturer. two 15-degree elbows (2x45+2x15=120).
10.2 Manufacturer's instructions: The 10.5 Chimney weight: The chimney must be
installation must follow the instructions in this supported at regular intervals according to the
manual and the chimney manufacturer's instructions of the chimney manufacturer. Its
instructions. If there is a conflict, you must follow weight must never rest on the fireplace or on the
the more restrictive measures.
9. Chimney - Cathedral Ceiling
10. Factory-built chimney installation
If a joist obstructs the path of
the chimney and the mandatory 2” (50 mm)
minimum clearance, the joist should be moved or
cut. In either cases, the structure must be
reinforced to maintain its solidity.
10 feet (3 m) radius
2 feet min.
(610 mm) min.
3feet (1 m) min.
Warning: Lateral roof braces need to
be installed when the unsupported
chimney height above the roof
is more than 6 feet (2 m).
Chimney minimum height above
the roof
DRAWING 9
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REV. 2014-11