Offset Chimney Installation - Osburn Stratford OB04002 Installation And Operation Manual

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Stratford Fireplace Installation and Operation Manual

8.6.2 OFFSET CHIMNEY INSTALLATION

Table 1 - The minimum system height when using elbows is:
After reaching the location requiring the elbow, proceed as follows:
1. Install the first elbow; turn it in the required direction. Secure it to the chimney according to
the chimney manufacturer's instructions.
connections with three (3) ½" (12 mm) metal screws.
2. Install the necessary chimney lengths to achieve the required offset. Lock the chimney lengths
together according to the chimney manufacturer's instructions.
recommended to use three (3) ½" (12 mm) screws. If the offset length is made of two (2)
chimney lengths or more, many chimney manufacturers may require that you use an offset or
roof support halfway up the offset. If penetrating a wall, install a wall radiation shield supplied
by the chimney manufacturer.
3. Use another elbow to turn the chimney vertically. Secure the elbow.
4. Use a plumb bob to line up the centre of the hole. Cut a hole for the chimney in the
ceiling/floor. Frame this hole as described previously.
5. From below, install a firestop supplied by the chimney manufacturer (see preceding figure).
6. A support must be used on the first 15' section (4.6 m).
7. Continue with the regular installation.
60 _____________________________________________________________________
Fireplace model
Chimney model
Vertical installation
Two (2) elbows
Four (4) elbows
STRATFORD
All models (see Table 2)
15 ft. (4.6 m)
15 ft. (4.6 m)
17 ft. (5.2 m)
In many cases, it is recommended to secure
In many cases, it is

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