Specifications
./4%$)!'2!-3),,5342!4)/.3!2%./44/3#!,%
15
)../6!4)6%(%!24(02/$5#43s$)2%#46%.4'!3&)2%0,!#%3-ONTEBELLO$,8-ONTEBELLO$,8#$s).34!,,!4)/.).3425#4)/.3
Framing Dimensions for Roof
Inches (millimeters)
Pitch C D
0/12
13"
(330 mm)
13"
(330 mm)
6/12
13"
(330 mm)
15-1/2"
(394 mm)
12/12
13"
(330 mm)
20-1/2"
(541 mm)
C
D
Figure 20—Roof Framing
Figure 22
G. Continue installation of horizontal/inclined
sections—Continue with the installation of the
straight vent sections in horizontal/inclined run
ASDESCRIBEDINStep C. Install support straps
EVERYFTMMALONGHORIZONTALINCLINED
VENTRUNSUSINGCONVENTIONALPLUMBERSTAPE
See Page 17, Figure 26. It is very important
that the horizontal/inclined RUNBEMAINTAINEDIN
ASTRAIGHTNODIPSSLIGHTLYELEVATEDPLANE4HE
RECOMMENDEDINCLINEISAPPROXIMATELYPER
FOOTMMPERMETERHORIZONTALINADIRECTION
AWAYFROMTHElREPLACE4HERISEPERFOOTRUN
RATIOSTHATARESMALLERAREACCEPTABLEALLTHEWAY
DOWNTOATORNEARLEVEL5SEACARPENTERSLEVEL
TOMEASUREFROMACONSTANTSURFACEANDADJUST
the support straps as necessary.
It is important to maintain the required clear-
ances to combustibles: 1" (25 mm) at all sides
for all vertical runs; and 3" (76 mm) at the
top, 1" (25 mm) at sides, and 1" (25 mm) at
the bottom for all horizontal/inclined runs.
H. Frame roof opening—Identify location for
vent at the roof. Cut and/or frame opening per
2OOF&RAMING#HART(Figure 20).
/NEMETHODOFSUPPORTISBYUTILIZINGlELDPRO-
VIDEDSUPPORTSTRAPSCONVENTIONALPLUMBERgS
TAPE3ECURETHEPLUMBERgSTAPETOTHEFRAMING
MEMBERSWITHNAILSORSCREWS Strap the tape
around the vent, securing the ends of the tape
to the framing. If desired, sheet metal screws
XLENGTHMAY BE USED TOSECURETHE
support straps to the vent pipe. See Figure 18
on Page 14.
F. Change vent direction to horizontal/inclined
run—At transition from or to a horizontal/
INCLINEDRUNINSTALLTHE36%AND36%
ELBOWSINTHESAMEMANNERASTHESTRAIGHTVENT
SECTIONS4HEELBOWSFEATUREATWISTSECTIONTO
ALLOWTHEMTOBEROUTEDABOUTTHECENTERAXIS
of their initial collar section to align with the
REQUIREDDIRECTIONOFTHENEXTVENTRUNELEMENT
Twist elbow sections in a clockwise direction
only so as to avoid the possibility of unlocking
any of the previously connected vent sections.
See Figure 17 on Page 14 and Figure 19.
Figure 19
)FTHEVENTSYSTEMEXTENDSMORETHANFEET
MABOVETHEROOFmASHINGSTABILIZERSMAYBE
NECESSARY!DDITIONALSCREWSMAYBEUSEDAT
SECTIONJOINTSFORADDEDSTABILITY'UIDEWIRES
MAYBEATTACHEDTOTHEJOINTFORADDITIONALSUP-
PORTONMULTIPLEJOINTCONlGURATIONS
Swivel Joint
(360° swivel)
SV8E45
(45° Elbow)
Swivel Joint
(360° swivel)
SV8E90
(90° Elbow)
6"
(153mm)
10"
(254mm)
K. Install the vertical termination—4HElNAL
step involves installation of the Vertical Termina-
TION%XTENDTHEVENTSECTIONSTOTHEHEIGHTAS
SHOWNINTHE6ERTICALVENTTERMINATIONSECTION
on Page 64HE366426ERTICAL4ERMINATION
Figure 22)CANBEINSTALLEDINTHEEXACTSAME
fashion as any other Secure Vent
®
section. Align
the termination over the end of the previously
INSTALLEDSECTIONADJUSTINGTHERADIALALIGNMENT
UNTILTHEFOURLOCKINGDIMPLESOFTHETERMINATION
are aligned with the inlets of the four incline
channels of the last vent section. Push the ter-
mination down until it fully engages, then twist
THETERMINATIONCLOCKWISERUNNINGTHEDIMPLES
down and along the incline channels until they
seat at the end of the channels.
I. Install the roof flashing—%XTENDTHEVENT
sections through the roof structure. Install the
roof flashing over the vent section and posi-
tion such that the vent column rises vertically
USECARPENTERSLEVEL(Figure 21). Nail along
PERIMETERTOSECUREmASHINGORADJUSTROOlNGTO
overlap the flashing edges at top and sides only
ANDTRIMWHERENECESSARY3EALTHETOPANDBOTH
SIDESOFTHEmASHINGWITHWATERPROOFCAULKING
J. Install the storm collar—Install the storm
collar, supplied with the flashing, over the vent/
mASHINGJOINTSEEFigure 21). ,OOSENTHESTORM
collar screw. Slide collar down until it meets
THETOPOFTHEmASHING4IGHTENTHEADJUSTING
SCREW !PPLY NONCOMBUSTIBLE CAULKING OR
MASTICAROUNDTHECIRCUMFERENCEOFTHEJOINT
to provide a water tight seal.
Figure 21
Storm
Collar
Storm
Collar
Flashing