DuraVent DuraStack Installation - Manual (Page 5)

NOTE:.DIAGRAMS.&.ILLUSTRATIONS.ARE.NOT.TO.SCALE.
5
CHIMNEY AND FITTING JOINT ASSEMBLY
All.components.have.a.male.and.female.end...The.installation.orientation.
is.indicated.on.the.labeling.of.each.chimney.section.with.an.arrow...The.
arrow.indicates.the.direction.of.the.flow...Clean.all.inner.and.outer.surfaces.
of.the.male.and.female.ends.with.an.appropriate.organic.solvent,.such.
as.acetone,.Mek,.or.other.commercial.degreaser.
1.. .Apply.a.bead.of.S-650.sealant.about.1/8”.thick.around.the.male.end.
of.chimney.and.for.Grease.duct.application,.add.a.bead.of.S-2000.
sealant.at.the.edge.of.the.female.chimney.(see.figure 2). See table
5 for approved sealants.
2.. .Insert.the.female.end,.of.another.section.of.chimney,.over.male.end.
with.sealant.(see.figure 3).
3.. .Insert.the.assembly.band.(see.figure 4).around.the.joint.of.the.two.
sections.assembled.in.step.2...A.small.bead.of.S-650.can.be.applied.
on.the.inner.groove.of.the.band.prior.to.installation.for.better.leak.
tightness.
4 .. .Using.a.phillips.screwdriver,.connect.the.two.ends.of.the.band.as.
shown.in.figure 5.
5....Where.the.chimney.is.installed.outside,.an.exterior.sealant.S-375.
must.be.applied.at.the.upper.joint.of.the.band.and.the.outer.casing,.
see figure 5.
SEALANT USAGE
Interior Installation
Sealant Application Supplier Model Color Max. Temp.
Joints Duravent S-650 red 650°F
Inner.Flue Duravent S-2000 White 2000°F
Exterior Installation
Sealant Application Supplier Model Color Max. Temp.
Joints Duravent S-650 red 650°F
Outer.Band Duravent S-375 gray 375°F
Table 5
Figure 2
Figure 3
Figure 4
Figure 5
Grease Duct Application: Add a bead of S-2000 sealant
at the edge of the female end.
Apply S-375 sealant here
for exterior installation
Add S-650 sealant here
CAUTIONS
A. DO NOT ALLOW SCREWS TO PENETRATE THE INNER FLUE.
THIS CAN CAUSE CORROSION, GAS LEAKAGE OR EXPANSION
FAILURE.
B. NEVER USE SCREWS THROUGH THE OUTER CASING OF AN
ADJUSTABLE LENGTH OR EXPANSION JOINT.
C. OBSERVE ADEQUATE SAFETY MEASURES WHEN USING A
DEGREASER.