Hearth and Home Technologies CFX-Crescent - Manual (Page 20)

Heat & Glo • CFX-CRESCENT • 705-900 Rev. P • 12/07 20
Figure 12. 10" x 10" Hole and Vent Pipe
2. Position the firestops.
3. Place the heat shield
to the top.
4. Continue the vent run.
Figure 13. Heat Shield, Interior and Exterior
Firestops
For Vertical Runs - One ceiling firestop is
REQUIRED at the hole in each ceiling through
which the vent passes.
To install firestops for vertical runs that pass through
ceilings:
• Position a plumb bob directly over the center of
the vertical vent component.
• Mark the ceiling to establish the centerpoint of the
vent.
• Position the firestops on both sides of the hole
previously cut and secure the firestops with nails
or screws.
• The heat shields of the firestops MUST BE
placed towards the top of the hole.
• Continue the vent run through the firestops.
NOTE: There must be NO insulation or other
combustibles inside the framed firestop opening.
1. Cut the 10-inch by
10-inch hole.
VENT PIPE
1" (25.4 mm)
10"
(254mm)
10"
(254mm)
TRIM HEAT
SHIELD IF TOO
LONG, ADD TO
SHIELD IF TOO
SHORT
INTERIOR
FIRESTOP
HEAT SHIELD
NOTE:
Exterior firestop not shown.
Horizontal termination only
approved for SLK-01TRD
trapezoidal cap.