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6. The chimney must extend at least three (3) feet (915 mm) above its
point of contact with the roof and at least two (2) feet (610 mm) higher
than any wall, roof or building within ten (10) feet (3m) of it (Figure
17).
7. If the chimney extends higher than five (5) feet (1,500 mm) above
its point of contact with the roof, it must be secured using a roof
brace.
8. A rain cap must be installed on top of the chimney. Failure to install
a rain cap may cause corrosion problems.
9. Cut and frame square holes in all floors, ceilings, and roof that the
chimney will go through to provide a 2” (50 mm) clearance between
the chimney and any combustible materials. Do not fill this 2” space
with insulation or any other combustible material.
10. Portions of the chimney which may extend through accessible spaces
must be enclosed to avoid contact with combustible materials or
damage to the chimney.
11.When offsets are used, the pipe may not penetrate a ceiling or floor
unless it is running vertical (no 30° offsets).
Figure 17
ten (10) feet
three (3) feet Min.
two (2) feet Min.
Aluminum Tape
Aluminum Tape
Fireplace
Connection
Plastic
Cover
Insulation
Flexible Pipe
Fireplace
OUTSIDE AIR CONNECTION TO THE FIREPLACE
Figure 16
THE CHIMNEY SYSTEM
Chimney Installation Notes
1. Always install an interior chimney as it will provide better performance.
In areas with continuous temperatures below - 18° C (0° F), the use of
an exterior chimney increases the likelihood of operating problems such
as low draft, high rate of creosoting, and poor start-up characteristics.
Exterior chimneys are also prone to down drafting and flow reversal.
Installations, which are located on lower floors in the house, such as
in a basement, in combination with outside chimney, are especially
prone to flow reversal. If interior installation is impossible, install an
AC chimney enclosed in an insulated chase.
2. The fireplace model Brentwood SP may be installed only with Security
Chimneys International Ltd 6” diameter chimney systems.
3. A chimney venting a fireplace shall not vent any other appliance.
4. The minimum chimney height is 12 feet (3.7 m). In altitude, add 18”
(450 mm) to the chimney for every 2,000 feet (600 m) above sea
level.
5.
All chimney installations must include at least one support. The
maximum length of chimney that can be supported by the fireplace
is 26 feet (8 m).
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
14