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Heat & Glo • CFX-CRESCENT • 705-900 Rev. P • 12/0722
If the area above the ceiling IS an attic, position and
secure the firestop on top of the previously framed hole.
NOTE: There must be NO insulation or other
combustibles inside the framed firestop opening.
This shows an attic
installation.
1. Keep insulation away
from the vent pipe at
least 1 inch (25 mm).
Figure 16. Attic Firestop
C. Vent Termination
For Horizontal Terminations - The trapezoidal cap
SLK-01TRD is the only cap that is approved to
terminate a horizontal vent run.
To attach and secure the termination to the last
section of horizontal vent:
• Rotate and interlock the ends as described at the
beginning of the Installing Vent Components
section.
• The termination kit should pass through the wall
firestops from the exterior of the building.
• Adjust the termination cap to its final exterior
position on the building (see Figure 17).
CEILING
CEILING FIRESTOP
RAFTER
NAILS (4 REQUIRED)