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117541-01B 11
VENTING INSTALLATION
Continued
4. Remove the shingles around the opening
measured. Cut out this section.
5. Add the next sections of the pipe until the
end penetrates 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.
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 nailing through shingles
(see Figure 13). DO NOT NAIL THROUGH
FLASHING CONE.
When installing the ashing on a metal roof, it is
required that putty tape be used between the ash-
ing 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 leakage through the
screw holes. A roof coating must also be applied
around the perimeter of the ashing to provide a
proper seal.
Nail Only
Outer
Perimeter
of Flashing
Storm
Collar
Flashing
Cone
Underlap
Shingles
at Bottom
Overlap
Shingles Top
and Sides Only
Figure 13 - Flashing Installation
Place storm collar over pipe and slide down until
it is snug against the open edge of the ashing (see
Figure 14). Apply waterproof caulk around the
perimeter of the collar to provide a proper seal.
Figure 14 - Storm Collar
Chimney
Pipe
Waterproof
Caulk
Storm
Collar
Flashing
Terminations/Spark Arrestor
The replace system must be terminated with the
listed round top or chase terminations. In any case,
refer to the installation instructions supplied with
the termination.
-
-
low the installation instructions
provided with the termination
being used.
Secure
Termination
to Outer
Pipe with 3
Screws
RTL-10D
Level of
Flue Gas
Outlet
Stainless
Inner Flue
Pipe
Waterproof
Caulking
Storm
Collar
Flashing
Underlap
Shingles
Figure 15 - Termination
Overlap
Shingles (Top
and Sides of
Flashing Base)