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5. Add next sections of pipe until the end pen-
etrates the roof line. Check to see that the
proper clearances are maintained. Extend
chimney by adding sections of double wall
pipe until pipe is minimum of 30" above the
highest point of the roof cutout. Termination
and chimney must extend a minimum of
36" above the highest point where it passes
through the roof.
17" Min.
1" Min.
1" Min.
Pitch
Slope
Flat
0°
0-6/12
26.6°
6/12-
45.0°
12/12
Figure 12 - Roof Opening Measurements
FLASHING INSTALLATION (V6F-10DM
OR V12F-10DM)
Determine flashing to be used with roof open-
ing chart. Slide flashing over pipe until base is
flat against roof. Replace as many shingles as
needed to cover exposed area and flashing
base. Secure in position by nailing through
shingles (see Figure 13). DO NOT NAIL
THROUGH FLASHING CONE.
Storm Collar
Flashing Cone
Nail Only
Outer
Perimeter
of Flashing
Underlap Shingles
at Bottom
Figure 13 - Flashing Installation
116010-01E
VenTing insTallaTion
30" Min.
1" Min.
Opening "A"
Opening
Used Flashing
"A" Max.
Model No.
17"
V6F-10DM
19"
V6F-10DM
24"
V12F-10DM
Overlap
Shingles Top
and Sides Only
www.desatech.com
Continued
Installing Flashing on a Metal Roof
When installing flashing on a metal roof, it
is required that putty tape be used between
flashing and roof. Flashing must be secured
to roof using #8 x 3/4" screws and then sealed
with roof coating to prevent leakage through
screw holes. A roof coating must also be ap-
plied around perimeter of flashing to provide
a proper seal.
Storm Collar Installation (SC2-1)
Place storm collar over pipe and slide down
until it is snug against open edge of flash-
ing (see Figure 14). Apply waterproof caulk
around perimeter of collar to provide a proper
seal.
Chimney
Pipe
Storm
Collar
Figure 14 - Storm Collar
Terminations/Spark Arrestor
The fireplace system must be terminated with
listed round top or chase terminations. In any
case, refer to installation instructions supplied
with termination.
Stainless
Inner Flue
Pipe
Secure
Termination
to Outer
Pipe with 3
Screws
Overlap
Shingles (Top
and Sides of
Flashing Base)
Figure 15 - Termination
Waterproof
Caulk
Flashing
RTL-10D
Level of
Flue Gas
Outlet
Waterproof
Caulking
Storm
Collar
Flashing
Underlap
Shingles
9
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