DuraVent DuraPlus Factory-Built Chimney
 
DuraVent's DuraPlus is an all fuel, triple-wall chimney that combines one layer of ceramic refractory blanket insulation and an airspace to keep the outside wall cool. This also keeps the inside wall hot, boosting efficiency. DuraPlus is listed to the UL 103HT Standard and carries an impressive limited lifetime warranty. DuraPlus is available in 6" and 8" inside diameters. Outside diameters are approximately 4" larger than inner. The DuraPlus inner liner is 430-alloy stainless steel with a middle wall of aluminized steel. 24" and 36" chimney lengths are available with either stainless steel or galvanized steel outer walls. 6", 9" and 12" lengths have galvanized steel outer walls. DuraPlus components twist-lock securely into place and are stainless steel unless otherwise noted. When double-wall black stovepipe is needed with DuraPlus use DuraVent DVL. According to the manufacturer, Dura/Plus performs three very important functions:
DuraPlus requires 2" clearance to combustibles. Outside Diameter is 4 inches larger than Inside Diameter.
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Manufactured Home Kit
Through-the-Wall Kit
Scroll down to see our Cathedral Ceiling Support, Round Ceiling Support, Wall Thimble, Attic Insulation Shield & Radiation Shield, Roof Flashings & Storm Collars, Chimney Adaptors and Tee Support, Wall Strap & Extended Roof Brackets that might be necessary to complete your application.
Use a Snap-Lock Adaptor or a DuraBlack Slip Connector to transition to single-wall stovepipe. Or use a Close Clearance Adaptor to transition to DVL Double-Wall Stovepipe. The Cathedral Ceiling Support is 24" tall and includes a 1 1/2" trim piece. Supports up to 35' of DuraPlus Chimney.
Use a Snap-Lock Adaptor or a DuraBlack Slip Connector to transition to single-wall stovepipe. Or use a Close Clearance Adaptor to transition to DVL Double-Wall Stovepipe. Both the 6" and 8" Round Ceiling Supports require a 14 1/2" X 14 1/2" framed opening. Included is a 1 1/2" wide trim collar. This Round Ceiling Support will support up to 35" of DuraPlus Chimney.
Use a Snap-Lock Adaptor or a DuraBlack Slip Connector to transition to single-wall stovepipe. Or use a Close Clearance Adaptor to transition to DVL Double-Wall Stovepipe. Both 6" and 8" wall thimbles require a 14 1/2" X 14 1/2" framed opening.
Attic Insulation Shield & Firestop Radiation Shield
The Firestop Radiation Shield, right in picture, must be installed where a chimney pipe passes through a floor or ceiling without a round or square ceiling support box. Centers pipe and provides for proper clearances.
Roof Flashings and Storm Collar
Note that a 6/12 pitch has a vertical rise of 6" over a horizontal distance of 12". We carry two flashings to accommodate most roof pitches: 0/12 to 6/12 and 7/12 to 12/12. These flashings require a Storm Collar (sold separately, shown on flashing in picture above).
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The stainless steel Close Clearance Adaptor (lower left in picture) features a twist-lock connection to lock into DVL double-wall black Dura-Vent Stovepipe. To connect to single-wall black stovepipe, use to Snap-Lock Adaptor (top left in picture). When using DuraBlack stovepipe use either the Snap-Lock Adaptor or the DuraBlack 14" Slip Connector, (on right in picture).
Tee Support, Wall Strap and Extended Roof Bracket
The Wall Strap, (at bottom middle in picture), is used to support and stabilize the chimney assuring a 2" clearance. These straps are required every 4'. Use the Extended Roof Bracket, (at right in picture), to support the chimney when it extends more than 4' above the roof.
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The Manufactured Home Kit, includes: 
The Cathedral Ceiling Support provides for
connection of the appliance connector pipe to DuraPlus Chimney Pipe
when passing through a cathedral type ceiling. It includes a
built-in, twist-lock starter section.
Use this Round Ceiling Support when passing through a
flat ceiling. It includes a built-in, twist-lock starter
section for DuraPlus Chimney.
Use this Wall Thimble when passing DuraPlus Chimney
Pipe through an outside wall. It must be installed
with a length of chimney pipe passing through it .
This length connects to the Tee on the outside of the
building. Then one of three adaptors are used to connect the
appliance connector pipe. 
The Attic Insulation Shield, left in picture, must
be used when DuraPlus Chimney Pipe passes
through an attic space. It centers the pipe providing clearance, has
a built-in Firestop
and prevents insulation from coming in contact with the
chimney pipe. Includes a base and
collar. 
Roof
Flashings provide leak proof roof penetration. Select the
proper flashing based on the pitch of the roof.
These three chimney adaptors
give you three options when connecting the 
The Tee
Support, (at left center in picture), is used with a side-wall
DuraPlus Chimney installation. It supports up to 35' of
DuraPlus Chimney. A Tee (sold separately) mounts to the top
of the support.
