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21Heat & Glo • VRTIKL-CE • 7031-292 Rev E • 12/07
MIN. 25.4 cm
CLEARANCE
NAILS
MIN. 25.4 cm
CLEARANCE
MIN. 25.4 cm
CLEARANCE
MIN. 25.4 cm
CLEARANCE
CEILING FIRESTOP
Figure 5.25
Fire Risk.
Explosion Risk.
•
Any occupied areas above the first floor, including
closets and storage spaces, which the vertical flue
passed through must be enclosed. The enclosure
may be framed and sheetrocked with standard
construction materials; however, refer to these
installation instructions for the minimum allowable
clearance between the outside of the flue pipe and
the combustible surfaces of the enclosure. Do not
fill any of the required air space with insulation.
Step 9.
Twist-lock the flue cap and seal.
Note: For multi-story vertical installations, a ceiling firestop
is required at the second floor, and any subsequent floors
(Figure 5.25). The opening should be framed to 25.4cm x
25.4cm inside dimensions, in the same manner as shown in
Figure 5.22.
WARNING
If the fireplace installation requires a vertical flue off the
top of the unit with no horizontal flue or elbows, the vertical
flue restrictor must be added. Reinstall heat shield when
completed. See Figure 4.25.
FLUE
RESTRICTOR
PLATE
HEAT SHIELD
Figure 5.26
H. Vertical Flue Restrictor