25
Clearance to air inlet to
any other appliance is
min. 12” (30 cm)
Vertical Vent Termination
Roof
Pitch
Mini-
mum "H"
(feet)
Flat to 7/12
1'
Over 7/12 to
8/12
1.5'
Over 8/12 to
9/12
2’
Over 9/12 to
10/12
2.5’
Over 10/12 to
11/12
3.25’
Over 11/12 to
12/12
4’
Over 12/12 to
14/12
5’
Overhang should not
extend beyond vent if
within 48” of
termination cap
Horizontal
overhang
Vertical
wall
Min. 24”
(unvented soffit)
Min. 36”
(vented soffit)
Termination
cap
Min.
18”
Storm
collar
Roof
flashing
‘H’
Venting
Roof Termination
