For round cap termination:
1.Secure the
For trapezoidal termination:
1.Screw the cap to the exterior wall through the flanges in the cap.
2.Seal the joint be- tween the pipe and the exterior firestop.
ROUND CAP TERMINATION
PERFORATION CANNOT BE
INSIDE THE WALL
71/2"
(191mm)
MINIMUM
TRAPEZOID CAP TERMINATION
7 1/4"
(184mm)
Figure 25. Round & Trapezoid Termination Caps
!WARNING: THE BOTTOM OF THE VENT TERMINATION CAP MUST BE A MINIMUM OF 12 INCHES (305MM)
ABOVE GROUND LEVEL (GRADE). THE TOP OF THE CAP MUST BE A MINIMUM OF 18 INCHES (457MM) BELOW COM-
BUSTIBLE MATERIAL, SUCH AS A DECK, AND THE SIDE OF THE CAP MUST BE A MINIMUM OF 6 INCHES (152MM) AWAY FROM A PARALLEL OUT-
SIDE WALL. VENTING TERMINALS SHALL NOT BE RECESSED INTO A WALL OR SIDING. SEE THE FOLLOW- ING DIAGRAM FOR VENT TERMINA- TION CLEARANCES.
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