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Page 29
FRAMING AND FINISHING (continued)
Vertical Firestops
Vertical runs of this system which pass through ceilings require
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vent passes.
Position a plumb bob directly over the center of the vertical vent
component and mark the ceiling to establish the center point of the
vent. Drill a hole or drive a nail through this center point and check
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runs. Reposition the appliance and vent system, if necessary, to
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center point previously marked. Frame the hole with framing lumber
the same size as the ceiling joists.
See Figure 47.
If the area
above the ceiling is NOT an attic, position and secure the ceiling
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See Figure 48.
If the area above the ceiling is an attic, position
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See
Figure 49.
NOTE:
Remove insulation from the framed area in the attic before
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Figure 47
Figure 48
Figure 49
Finishing
Finish the walls with the material of your choice.
Figure 1 and 2
on
page 8 shows the minimum vertical and corresponding maximum
horizontal dimensions of mantels or other combustible projections
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Only non-combustible materials may be used to cover the black
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WARNING
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around the glass frame in any manner. Provide adequate
clearances around air openings into the combustion chamber.
CAUTION
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must be used. These joints are not required to be sealed. Only
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