NTI TFTN - Page 24

Installation and Operation Manual TFTN 085-199
24
Roof Termination Details
Figure 4-4(a)
Figure 4-4(b)
Two-Pipe Termination (Roof)
IPEX Concentric Termination (Roof)
Figure 4-4(c)
Figure 4-4(d)
DuraVent PolyPro Roof Termination
Exhaust only Roof Termination
Min. 12”
above grade
or snow level
Vent Screen
Vent pipe piece to
retain vent screen
Exhaust
Air-inlet
Vertical
Min. 18”
Horizontal
4-12” or greater
than 36”
Flashing
Min. 12”
above grade
or snow level
Vent Screen
Vent pipe piece to
retain vent screen
Exhaust center
Air-inlet around
perimeter
Flashing
Refer to documentation included with termination kit for
complete installation instructions.
Refer to documentation included with termination kit for
complete installation instructions.
Min. 12”
above grade
or snow level
Flashing
Exhaust
Air-inlet
Figure illustrates two options for exhaust termination only;
neither vent pipe illustrated is for combustion air intake.
Min. 12”
above grade
or snow level
Flashing
Vent pipe piece to
retain vent screen
Vent Screen
Exhaust
Option 1
Exhaust
Option 2