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1. Attach the flashing
and apply sealant
around the edges of
the flashing base.
2. Attach the storm
collar over the
flashing joint and
apply sealant be-
tween the storm
collar and vertical
pipe.
To seal the roof hole, and to divert rain and snow
from the flue system:
• Attach a flashing to the roof using nails, and use a
non-hardening mastic around the edges of the
flashing base where it meets the roof.
• Attach a storm collar over the flashing joint to
form a water-tight seal. Place non-hardening
mastic around the joint, between the storm collar
and the vertical pipe.
• Slide the termination cap over the end of the flue
pipe and rotate the pipe clockwise 1/4 turn.
61cm
61cm
LOWEST
DISCHARGE
OPENING
TERMINATION
CAP
H (MIN.) - MINIMUM HEIGHT FROM ROOF
TO LOWEST DISCHARGE OPENING
Roof Pitch
flat to 6/12
6/12 to 7/12
over 7/12 to 8/12
over 8/12 to 9/12
over 9/12 to 10/12
over 10/12 to 11/12
over 11/12 to 12/12
over 12/12 to 14/12
over 14/12 to 16/12
over 16/12 to 18/12
over 18/12 to 20/12
over 20/12 to 21/12
Figure 21. Minimum Height from Roof to Lowest
Discharge Opening
HORIZONTAL
OVERHANG
VERTICAL WALL
X
12
ROOF PITCH IS X/ 12
H (min.) cm
30.5
38
45.75
61
76.25
99
122
152.5
183
213.5
228.75
244
29
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