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122273-01A 11
VENTING INSTALLATION
Continued
17" Min.
30" Min.
1" Min.
1" Min.
1" Min.
Opening "A"
Pitch Slope Opening
Flat 0° 17" V6F-10DM
0-6/12 26.6° 19" V6F-10DM
6/12-
12/12
45.0° 24" V12F-10DM
Pitch Slope Opening
Flat 0° 19.5" V6F-10DM
0-6/12 26.6° 22' V6F-10DM
6/12-
12/12
45.0° 27" V12F-10DM
5. Add next sections of pipe until end
penetrates roof line. Check to see that
proper clearances are maintained. Extend
chimney by adding sections of double wall
pipe until pipe is minimum of 30" above
highest point of roof cutout. Termination
and chimney must extend a minimum of
36" above highest point where it passes
through roof.
19.5" Min.
30" Min.
2" Min.
2" Min.
2" Min.
Opening "A"
Figure 15 - Roof Opening Measurements
Nail Only
Outer
Perimeter
of Flashing
Storm Collar
Flashing
Cone
Underlap Shingles
at Bottom
Overlap
Shingles Top
and Sides Only
Figure 16 - Flashing Installation
Determine the ashing to be used with the roof
opening chart. Slide ashing over pipe until
base is at against roof. Replace as many
shingles as needed to cover exposed area
and ashing base. Secure in position by nail-
ing through shingles (see Figure 16). DO NOT
NAIL THROUGH FLASHING CONE.
When installing the ashing on a metal roof,
it is required that putty tape be used between
the ashing and the roof. The ashing must be
secured to the roof using #8 x 3/4" screws and
then sealed with roof coating to prevent leak-
age through the screw holes. A roof coating
must also be applied around the perimeter of
the ashing to provide a proper seal.
Place storm collar over pipe and slide down
until it is snug against the open edge of the
ashing (see Figure 17). Apply waterproof
caulk around the perimeter of the collar to
provide a proper seal.
Figure 17 - Storm Collar
Chimney
Pipe
Waterproof
Caulk
Storm
Collar
Flashing