For round cap termination:
1. Secure the
(219 mm) pipe, using the exterior pipelock hole on the round flange of the wall firestop.
For trapezoidal termination:
1.Screw the cap to the exterior wall through the flanges in the cap.
2.Seal the joint between the pipe and the
exterior firestop.
Figure 18. Round and Trapezoid Termination
Caps
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 MINIMUM
OF 18 INCHES (457 MM) BELOW
COMBUSTIBLE MATERIAL, SUCH AS A
DECK, AND 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 RECESSED INTO A WALL OR SIDING. SEE THE FOLLOWING DIAGRAM FOR VENT TERMINATION CLEARANCES.
18