13
Horizontal Run
Maximum 8 Feet
Vertical Rise
Maximum 30 Feet
ROOF TERMINATION
Fig. # 9c
Maximum
Vent Length
30 Feet
*
*
Total horizontal run
must not exceed 8 feet.
If more than 2 elbows
are used, reduce hori-
zontal run by 2 feet for
each additional elbow.
Vertical Rise
must be a
minimum of 6"
and greater
or equal to
Horizontal Run
ROOF TERMINATION VENTING
A vertical rise of up to 30 feet is permited with no
horizontal run. If horizontal run is required,
ensure that vertical rise is equal or greater than
run. Horizontal run must not exceed 8 feet.
Combined vent length must not exceed 30 feet.
If more than 2 elbows are used, reduce horizon-
tal run by 2 feet for each additional elbow.
For optimum performance and flame appear-
ance, keep the vent length to a minimum. Con-
nections between each vent component must
be tightly joined and sealed. A horizontal run of
vent must have a 1/4 inch rise for every 1 foot of
run towards the termination.
f i r e - p a r t s . c o m