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If the area above the ceiling is NOT an attic, position and
secure the ceiling firestop on the ceiling side of the previously
cut and framed hole.
CEILING
NAILS (4 REQUIRED)
Figure 15. Ceiling Firestop (Ceiling Side)
If the area above the ceiling IS an attic, position and secure
the firestop on top of the previously framed hole.
NOTE: Keep insulation away from the vent pipe at least
1 inch (25mm).
CEILING
CEILING FIRESTOP
Figure 16.
Attic Firestop
C. Vent Termination
For Horizontal Terminations - The trapezoidal cap DVK-
01TRD is the only cap that is approved to terminate a
horizontal vent run.
For Horizontal Terminations - To attach and secure the
termination to the last section of horizontal vent:
• Rotate and interlock the ends as described at the begin-
ning 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.
WARNING: THE TERMINATION CAP MUST BE
!
POSITIONED SO THAT THE ARROW IS
POINTING UP. THE HEAT SHIELD PROVIDED WITH
THE UNIT (SHIPPED INSIDE ONE OF THE STAND-
OFFS ON TOP OF THE UNIT) MUST BE USED TO
PROTECT THE VINYL SIDING ABOVE THE CAP.
JOIST
CEILING FIRESTOP
NAILS (4 REQUIRED)
RAFTER
Fasten heat shield and firestop simultaneously. See Figures
17 and 18.
For trapezoidal cap termination kits:
• Using screws secure the heat shield along with the
cap to the exterior wall through the flanges in the cap
(Figure 18).
• Seal the joint between the pipe and the exterior firestop.
• Screw the heat shield to the top of the cap. Figure 18.
WARNING: THE BOTTOM OF THE VENT
!
TERMINATION CAP MUST BE A MINIMUM
OF 12 INCHES (305 MM) ABOVE GROUND LEVEL
(GRADE). THE TOP OF THE CAP MUST BE A MIN-
IMUM OF 18 INCHES (457 MM) BELOW COMBUS-
TIBLE MATERIAL, SUCH AS A DECK. THE SIDE
OF THE CAP MUST BE A MINIMUM OF 6 INCHES
(152 MM) AWAY FROM A PARALLEL OUTSIDE
WALL. VENTING TERMINALS SHALL NOT BE RE-
CESSED INTO A WALL OR SIDING. SEE FIGURE
19 FOR VENT TERMINATION CLEARANCES.
Trapezoid Cap
Termination
Heat Shield
Figure 17. Trapezoid Termination Cap
Figure 18. Heat Shield
17
7 1/4"
(184mm)
HEAT
SHIELD
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