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55511F
VENTING INSTALLATION
Continued
Nail Only
Outer
Perimeter
of Flashing
Storm
Collar
Flashing
Cone
Underlap
Shingles
at Bottom
Overlap
Shingles Top
and Sides Only
Figure 23 - Flashing Installation
3(1(75$7,1*522)
To maintain a 1" clearance to pipe on a roof with
a pitch, a rectangular opening must be cut.
1. Determine the center point through which
pipe will penetrate roof.
2. Determine center point of roof. Pitch is the
distance the roof drops over a given span,
usually 12". A 6/12 pitch means that the
roof drops 6" for each 12" one measure
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3. Use roof opening chart (Figure 22) to
determine correct opening length and
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4. Remove shingles around opening mea-
sured. Cut out this section.
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
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highest point of roof cutout. Termination
and chimney must extend a minimum of
36" above highest point where it passes
through the roof (see
10-Foot Rule
and
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Figure 24 - Storm Collar
Chimney
Pipe
Waterproof
Caulk
Storm
Collar
Flashing
)/$6+,1*,167$//$7,21
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LVÀDWDJDLQVWURRI5HSODFHDVPDQ\VKLQJOHV
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base. Secure in position by nailing through
shingles (see Figure 23).
'2 127 1$,/
7+528*+)/$6+,1*&21(
67250&2//$5,167$//$7,21
Place storm collar over pipe and slide down
until it is snug against the open edge of the
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caulking to all seams and notches around
storm and also at base around shingles.
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Slope
Opening
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Flat
19"
V6F-8DM
23.25"
V6F-8DM
6/12-12/12
V12F-8DM
Figure 22 - Roof Opening Measurements
Opening
“A”
19" Min.
(48.26cm)
30" Min.
(76.2cm)
2" Min.
(5.08cm)
2" Min.
(5.08cm)
2" Min.
(5.08cm)
7(50,1$7,216
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the listed round top or chase terminations. In
any case, refer to the installation instructions
supplied with the termination.
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RTL-8DM and RTTL-8DM, which can be
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ETLO-8DM for chase style termination only.
Figure 25, page 11, shows a RTL-8DM round
top termination.
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-
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installation instructions provided
with termination being used.
