DuraVent 6DP-VC Installation Guide
Contents
1. Figure 27 17 WALL STRAP ALLOW A MINIMUM OF 2 INCHES AIR SPACE ONALL SIDES 2 INCHES MINIMUM 2 INCHES ed Figure 28 Use 2 5 16 inch 3 inch long lag screws to attach the straps to the wall Replace the Tee Cleanout Cap and screws once the Tee is installed 6 Complete Chimney Attach the Chimney Sections as in Step 7 of the Ceiling Supported Installation section Secure the chimney to the wall with Wall Straps at 4 foot intervals to maintain at least 2 inches of clearance to combustible materials Slip the Wall Straps around the chimney tighten the bolts and fasten the Wall Straps to the wall with 2 5 16 inch 3 inch long lag screws Snap the Chimney Cap into the top of the chimney once it is at the height specified in Figure 1 If the chimney penetrates an overhang frame for at least 2 inches of clearance and install 18 a Flashing and Storm Collar as described in Steps 8 9 and 10 for Ceiling Supported Installations Another option is to cut away the overhang for a 2 inch clearance Figure 28 If the chimney extends more than 4 feet above the top Wall Band or Flashing use an Extended Roof 7 Install Chase Cover If a chase enclosure has been constructed installing the chase cover requires some special considerations The chase must be ventilated at the top and a 1 2 inch air gap must be established between the cover and the framed ch2. 18 INCHES MINIMUM FOR H SINGLE WALL STOVEPIPE SDP C VENTILATED FLASHING SDP F STORM COLLAR SDP SC UG CHIMNEY SECTIONS T PUSH SUPPORT BOX UP THROUGH ROOF TRIM AND FOLD BACK EXCESS SQUARE CEILING SUPPORT AS SHOWN IN FIG 22 BOX SDP SB Figure 21 1 Place Appliance Place the appliance in it s proper location referring to the manufacturer s instructions as to allowable distances from combustibles etc 2 Cut Openings Cut a roof opening directly above the appliances flue outlet collar just as in a Ceiling Supported Installation Steps 1 thru 5 If a separate ceiling and roof exists as shown in Figure 20 Low Attic first cut and frame a ceiling opening as described in Ceiling Supported Installations Step 2 Refer to Table 2 for clearance and framing specifications If it is desired to install through a cathedral ceiling Figure 21 then the hole is cut in the roof 3 Install Support Box Slip the Square Support Box into the framed opening so it projects at least 2 inches below the finished ceiling and rafters and extends above the ceiling to framing or decking materials to which it will be nailed Level the Support Box and slit the corners to the roofline where they extend beyond it Bend the flaps created by the slitting flush with the roof and nail the Support Box to the roof or framing with at least two 8 penny nails per side Figure
3. 5 warranty All warranty claims must be submitted with proof of purchase Labor and installation costs are not covered under this warranty To obtain warranty service contact DuraVent Warranty Service 877 Cotting Ct Vacaville CA 95688 or call 800 835 4429 WHERE LAWFUL DURAVENT DISCLAIMS ERCHANTABILITY AND FITNESS FOR A PUNITIVE OR SPECIAL DAMAGES OR DIRE J L OTHER WARRANTIES INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF LAR PURPOSE IN NO EVENT WILL DURAVENT BE LIABLE FOR INCIDENTAL CONSEQUENTIAL LOSS OF ANY KIND INCLUDING BUT NOT LIMITED TO PROPERTY DAMAGE AND PERSONAL INJURY DURAVENT S ENTIRE LIABILITY IS LIMITED TO THE PURCHASE PRICE OF THIS PRODUCT SOME STATES DO NOT ALLOW LIMITATIONS ON IMPLIED WARRANTIES OR THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES SO THE ABOVE LIMITATIONS AND EXCLUSIONS MAY NOT APPLY TO YOU THIS LIMITED WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS AND YOU MAY ALSO HAVE OTHER RIGHTS THAT VARY FROM STATE TO STATE U For the most up to date installation instructions see www duravent com REV 3 22 2012 anufactured in Vacaville CA and Albany NY DuraVent Member of M amp G Group Customer Service Support 800
4. Choice Choose a stove that is listed by a recognized testing laboratory is appropriate for your needs and is not larger than required Installation Once the chimney system is in place install the stove and stovepipe as described in the stove manufacturer s instructions maintaining required clearances Flues Connect only one solid fuel appliance per chimney Oil burning appliances are restricted to one appliance per chimney as well Operation Follow the stove manufacturer s instructions and safety manual for maximum efficiency and safety Overfiring can damage the stove and stovepipe Fuels Do not burn driftwood plastic or chemically treated wood such as railroad ties They are corrosive to your fireplace stovepipe and chimney Follow the stove manufacturer s instructions and safety manual in regards to fuels Not all stoves are equipped to burn coal Coal with a low sulfur content will reduce the possibility of corrosion Mobile Homes Please read the stove manufacturer s instructions and safety manual carefully Not all stoves are listed for use in mobile homes STEP BY STEP DIRECTIONS There are five general types of DuraPlus installations 1 Ceiling supported 2 Roof supported 3 Tee supported through the wall 4 Masonry Fireplace 5 Zero Clearance Fireplace Review the step by step directions before beginning your installation CEILING SUPPORTED 1 Place Appliance Position the appliance accordin
5. and with each other 14 Figures 18 and 19 Cut 2 pieces of 3 4 inch thin wall galvanized steel electrical conduit or rigid galvanized tubing to these lengths The conduit is not furnished by DuraVent and must be locally procured Mount the two Roof Brackets where the conduit meets the roof using 6 roofing nails per bracket Seal the nail heads carefully with a non hardening waterproof sealant 3 Attach Conduit Flatten 1 inch and drill a 1 4 inch hole at each end of both pieces of conduit Bolt each conduit to the Pipe Band and Roof Brackets with the nuts and bolts provided E E A MINIMUM OF 2 INCHES BELOW FINISHED CEILING E 18 INCHES MINIMUM FOR SINGLE WALL STOVEPIPE STORM COLLAR SDP SC lt ENTILATED FLASHING SDP F CHIMNEY SECTIONS SDP P FRAMED OPENING T PUSH SUPPORT BOX UP THROUGH ROOF TRIM AND FOLD BACK EXCESS SQUARE CEILING SUPPORT AS SHOWN IN FIG 22 BOX SDP SB Figure 20 ROOF SUPPORTED INSTALLATIONS Use only where a leveled Square Support Box will extend at least 2 inches below the ceiling on the low side while the top edge at least covers the edge of the roof s decking material Square Support Boxes are available in 11 inch 24 inch and 36 inch heights Mobile home chimney installations are roof supported and use Ventilated Flashings Do not seal openings INCHES MINIMUM
6. SDP T TEE CAP COMPONENT OF SDP T Figure 24 14 1 2 Figure 25 diameter hole must be cut through the wall 3 Install Wall Thimble Insert the black section of the Wall Thimble into the opening in the wall from inside the room and align the nail holes with the studs Figure 26 Do not nail the black thimble section at this time Attach the Tee to a 9 inch or 12 inch Chimney Section by twisting until it is firmly locked If the wall is less than 6 inches thick use a 9 inch Chimney Section if the wall is between 6 and 9 inches thick use a 12 inch Chimney Section From outside the building insert the Chimney Section into the hole until the vertical part of the Tee is 2 inches away from the outside of the wall and the black portion of the Wall Thimble and the Chimney Section protrude into the room at least 2 inches IMPORTANT In order to make safe connection the female end of the Chimney Section must fully contact the inside face of the Wall Thimble Remove the 5 16 X 3 LAG 8 PENNY NAILS 4 REQ SCREWS 6 REQ NOT FURNISHED SHIMS TO MAINTAIN CIRCULARITY OF THIMBLE EL 2 REQ NOT FURNISHED MAY BE MADE 1142 OF WOOD 2 4 utu c VIEW FROM OUTSIDE DURA PLUS CHIMNEY PIPE 2 INCHES MINIMUM OUTSIDE INTERIOR 5 INCHES MINIMUM 54 PORTIO
7. all around the chimney If the installation is located between rafters that are 16 inches on center Close Clearance Shields a sheet metal product fabricated by DuraVent may be used to avoid structural reframing Figure 8 The 2 inch minimum clearance to combustibles is not required when the chimney passes through Close Clearance Shields When using Close Clearance Shields Ventilated Flashing must be installed Refer to Figure 10 which pictures both Ventilated and Non ventilated Flashing 6 Install Firestop Radiation Shield One of two possible situations exist for installing the Firestop Radiation Shield is a two story dwelling where the chimney passes X CUT PANEL S TO ROOF PITCH LINE Figure 8 through a Firestop Radiation Shield a ceiling and into an attic The other is a multi story building where the chimney passes through a Firestop Radiation Shield through a ceiling into another story and then into an attic Each of these require a different configuration of the Firestop Radiation Shield Figure 7 FIRESTOP RADIATION SHIELD SDP FRS NAILS AT LEAST 2 PER SIDE TWO STORY GOING INTO ATTIC FRAMING FIRESTOP RADIATION SHIELD SDP FRS MULTI STORY GOING INTO NEXT FLOOR fer NAILS AT LEAST 4 2PER VENTILATED FLASHING Figure 10 CN SDP P SUPPORT BOX SDP S SDP
8. should be inspected at least once every month during the heating season to determine if creosote or soot has built up Check spark arrestor screens every 2 to 4 weeks If creosote or soot has accumulated it should be removed to reduce the risk of chimney fire 4 How to Clean Have your chimney cleaned by a certified professional chimney sweep if you have doubts about your ability to clean it Use a plastic wood or steel brush Do not use a brush that will scratch the stainless steel liner of your chimney Scrub the spark arrestor with a wire brush To remove the Chimney Cap for cleaning unscrew the four screws that attach the cap s support legs to the cap base The Tee Cleanout Cap can be removed once the screws are unscrewed Remember to replace the cap when you are finished cleaning the chimney 5 Coal To reduce corrosion in chimneys where coal is burned clean the chimney thoroughly within 48 hours of shutting down the stove for the season 6 Chemical Cleaners Use chemical cleaners only as a last resort and use only those which the manufacturer specifically warrants as being non corrosive to the chimney liner DuraVent will assume no 22 liability for damage resulting from the use of chemical cleaners 7 In Case of Fire If a flue fire occurs close all appliance draft openings and call your Fire Department Do not use the chimney again until it has been inspected for possible damage 8 Painting To increase chim
9. the finished ceiling Level the Square Support Box and nail it to the framing using at least two 8 penny nails per side The two Trim Frames are positioned as shown and screwed through the ceiling and into the framing members with 6 1 1 4 inch long round head wood screws Figure 6 The bottom of the Round Support must also be at least 2 inches below the finished ceiling Trim forthe Support Boxes is U shaped The trim pieces are adjusted to accommodate the Square Support Box and screwed into the framing using wood screws A completed Square Support Box installed in 8 FLASHING CAPS SG VENTILATED STORM COLLAR 50 5 SDP SC S CHIMNEY SECTIONS SDP P ATTIC INSULATION SHIELD SDP IS FIRESTOP RADIATION SHIELD dp p SDP IS ATTIC INCH MIN l e CHIMNEY SECTIONS amp F INSIDE OF SDP P ENCLOSURE N Q 5 FRAMED amp o E ENCLOSURE MIN OF 2 INCHES BELOW FINISHED CEILING 4 a SQUARE CEILING SUPPORT BOX SDP SB OR ROUND CEILING SUPPORT SDP RS Figure 7 FRAMED OPENING a cathedral ceiling with the U shaped trim is also shown in Figure 6 Trim kits are available in brass to enhance the appearance of the various Support Boxes and Trim Frames Where the chimney passes through additional floors and ceilings install Firestop Radiation Shields Where the chimney pass
10. through the roof refer to the Roof Supported Installation section on page 14 If the chimney is fully enclosed through the attic an Insulation Shield is not required however again Ventilated Flashing must be used Where the chimney passes into the attic install the Attic Insulation Shield as follows a If the Firestop Radiation Shield extends above the attic floor no modifications are necessary The Firestop Radiation Shield will fit inside the Attic Insulation Shield b Assemble Chimney Sections until at least 18 inches of chimney extends above the Firestop Radiation Shield c Slip the Insulation Shield over the Chimney and Firestop Radiation Shield until the base sits squarely on the framed opening Figure 7 d Nail the Insulation Shield to the top of the framed opening with at least two 8 penny nails per side Figure 12 e Wrap the Collar around the chimney and fasten it loosely Slide the Collar down to meet the Insulation Shield Slip the tab through the adjacent slot and fold it back to tighten the Collar Figure 13 9 Attach Flashing In new construction assemble the Chimney Sections to a point above the roof then slip the Flashing over the chimney On an existing roof center and install the Flashing before extending the chimney above the roof Allow space to permit sliding the next Chimney Section up through the Flashing Always insure the chimney remains vertical and that at least a 2 inch clearan
11. 22 Screw the trim sections into the ceiling Figure 6 Figure 22 15 4 Complete Installation Refer to Steps 8 and 9 in the Ceiling Supported Installation section to complete the Roof Supported installation TEE SUPPORTED INSTALLATIONS Tee Supported installations are used when passing through a wall to an outside chimney The required parts and general configuration are as shown in Figures 23 and 24 1 Place Appliance Position the appliance according to the manufacturer s instructions 2 Cut and Frame Opening Cut 14 1 4 inch diameter holes in the inner and outer walls The center of these holes should be aligned with the center of the stove s flue outlet collar For new construction prior to sheetrock or other covering of the wall studs is applied frame a square opening between the studs as specified in Table 2 Figure 25 Should it be necessary to go through concrete masonry or cinder block a 14 1 4 inch ALLOW 1 2 INCH AIR AER SPACE BETWEEN BASE FLASHING MUST OF FLASHING OR COVER BE USED WITH AND ENCLOSURE ENCLOSURES FRAMING FRAMED EXTERIOR ENCLOSURE TYPICAL THRU THE WALL TEE SUPPORTED INSTALLATION ACCESS DOOR FOR CLEANING Figure 23 16 PIPE SECTION 6 INCH OR 9 INCH SDP P WALL THIMBLE T V S TRAY N COMPONENT VN OF SDP TS PIPE SDP P TEE f spp 5 16 X3 LAG CREWS 6 REQ NOT FURNISHED REMOVABLE TEE CAP COMPONENT OF e
12. 835 4429 707 446 4740 FAX www duravent com DuraPlus is a registered trademark of the M amp G DuraVent Inc All rights reserved Made in the USA M amp G DuraVent is a member of M amp G Group 2012 L119 04 2012
13. Chimney Placement 5 Chimney Enclosure Requirements Stove Recommendations 6 Step by Step Directions Ceiling Supported 7 Offset Elbow Installation 00 0 cette eens 12 Offset Chart icerir er e n e se 13 Extended Roof Bracket 14 Roof Supported Installations 15 Tee Supported Installations eee 16 Masonry Fireplace Installations 18 Zero Clearance Fireplace Installations 21 Connection from Appliance to Chimney 21 Chimney Maintenance 22 DuraVent Member of amp M amp G Group SE Yd vtt XT CLEARANCE Allow at least a 2 inch clearance between DuraPlus Pipe and any combustible materials Where the chimney passes through floors joists or ceilings Firestop Radiation Shields Support Boxes and Close Clearance Shields may permit reduced clearances as established by these parts or spacers built on to these parts The clearance air space between the outer chimney wall and the inside of the Support Box Firestop Radiation Shields and Close Clearance Shields in the cases of 7 and 8 inch diameter chimney will be less than 2 inches Both of these systems have been extensively tested and evaluated at these c
14. ISHED BY SIMPSON SECTIONS DURA VENT Figure 29 in the event the chimney is to be enclosed The other is a flat plate to be used in cases when the chimney is not enclosed 3 Attach Chimney Place the first Chimney Section over the flange on the Anchor Plate with the arrows pointing up Drill 1 8 inch diameter holes through the outer sleeve of the Chimney Section which match the location of the corresponding holes in the Anchor Plate Secure the Chimney Section to the Anchor Plate with 8 self tapping sheet metal screws 4 Finish Chimney Install the rest as directed in the Ceiling Supported Installation section Steps 4 through 10 Refer to Figure 1 and Table 4 for chimney height requirements Always maintain at least 2 inches of clearance to combustible materials and enclose the chimney where it passes through occupied areas Use a Wall Strap for every four feet of chimney height CHIMNEY PIPE SECTION SDP P LOW PROFILE STARTER SECTION REQUIRED IF ANCHOR PLATE CHIMNEY IS SDP AP ENCLOSED MASONRY A ANCHORS 4 REQ NOT SHEET FURNISHED Ea RSS 2 RQ CE EXISTING MASONRY CHIMNEY HI TEMP SEALANT Figure 30 19 TABLE 4 S SS FIREPLACE SO OPENING lt INCHES gt DOTTED LINE REPRESENTS SAMPLE PROBLEM FIREPLACE OPENING IS 36 IN WIDE 30 IN HIGH AND CHIMNEY HEIGHT IS 20 FT C
15. Installation Instructions All Fuel Chimney System SE Yd vtt XC DuraVent Member of amp M amp G Group A MAJOR CAUSE OF VENT RELATED FIRES IS FAILURE TO MAINTAIN REQUIRED CLEARANCES AIR SPACES TO COMBUSTIBLE MATERIALS IT IS OF THE UTMOST IMPORTANCE THAT DURAPLUS CHIMNEY BE INSTALLED ONLY IN ACCORDANCE WITH THESE INSTRUCTIONS NOTE Read through all of these instructions before beginning your installation Failure to install as described in this instruction will void the manufacturer s warranty and may have an effect on your homeowner s insurance and UL listing status Keep these instructions for future reference This booklet also contains instructions for installing a venting system within an existing masonry chimney and for installations passing through a cathedral ceiling Dear Customer Installer or End User We welcome any comments regarding matters pertaining to our DuraVent products We welcome any ideas input or complaints and I ll make sure that someone responds directly back to you Send your emails to president duravent com If you are searching for tech support or product information please phone us at 800 835 4429 Or email us at techsupport duravent com LISTED MH7399 ALL FUEL CHIMNEY SYSTEM For the most up to date installation instructions see www duravent com CONTENTS Clearance Permits Applications Notes 4 Chimney Diameter Chimney Height
16. N OF CLEARANCE TEE WALL THIMBLE SDP T SDP WT BLACK Figure 26 Tee and Chimney Section from the wall and nail the Wall Thimble s black section to the studs with four 1 inch roofing nails If the Wall Thimble is going through a concrete wall and no framing members are available to which to nail the black portion of the Wall Thimble to use masonry anchors to attach it If a Tee Supported installation is being installed in a garage it must be enclosed Figure 27 4 Seal Outside From the outside insert the galvanized section of the Wall Thimble through the wall and into the black section If it does not reach the black section an extension tube can be locally made from 018 thick galvanized steel Seal the flange of the galvanized portion of the Wall Thimble to the outside wall using non hardening waterproof sealant and fasten it to the wall with screws From the outside slip the Chimney Section which is attached to the Tee into the Thimble NEVER INSTALL SINGLE WALL STOVEPIPE THROUGH THE WALL THIMBLE 5 Install Tee Support Remove the two screws from the Tee Cleanout Cap and detach itfrom the Tee Attach the Tee Support Straps to the base with the nuts and bolts provided NOTE IF SYSTEM EXITS THRU WALL INTO GARAGE AN ENCLOSURE ISREQUIRED 3 t VENTILATED FLASHING 27 MUST USED a gt 2 INCHES MINIMUM NCLOSURE ACCESS DOOR FOR CLEANING GARAGE 2 INCHES MINIMUM
17. ORRECT FLUE SIZE IS 12 IN DIAMETER 20 BASE PLATE SDP BP ZERO CLEARANCE FIREPLACE Figure 31 ZERO CLEARANCE FIREPLACE INSTALLATIONS 1 Manufacturer s Instructions Carefully read and comply with the manufacturer s installation instructions for your fireplace Verify that DuraVent s DuraPlus chimney is approved for use on your fireplace 2 Base Plate Attach a Base Plate to the fireplace top with sheet metal screws Figure 31 A high temperature sealant may be used if desired 3 Chimney Sections Attach a Chimney Section to the Base Plate by twist locking 4 Completion Install the remainder as instructed for a standard Ceiling Supported installation less the Support Box Always maintain at least 2 inches of clearance to combustibles and enclose the chimney where it passes through occupied areas CONNECTION FROM APPLIANCE TO CHIMNEY SYSTEM 1 Single Wall Stovepipe DuraVents DuraBlack stovepipe is recommended if single wall stovepipe is desired The connection to the ceiling support box or wall thimble is made with a DuraBlack Slip Connector Partt 1670 1770 or 1870 for 6 inch 7 inch or 8 inch pipe respectively The beaded end of the slip connector slips into the hole in the ceiling support or wall thimble Align the tabs on the slip connector with the notches in the face of the support or wall thimble push the connector in and twist to lock itin Further instructions for ass
18. RS SDP SB Figure 11 10 illustrates the two story building In the case of the two story installation the base of the Firestop Radiation Shield is nailed to the top of the framing with the pan the depressed portion of the base facing downwards For the multi story installation the base is nailed to the bottom of the framing with the pan facing upwards The cylindrical component of the Firestop Radiation Shield is then slipped down through the base from the top until it rest on the bead Figure 9 Refer to Table 2 for the framing requirements 7 Assemble Chimney Sections Lower and seat the female end of the first Chimney Section in the Support Box Figure 11 It will twist lock onto the male end of a Low Profile Starter Section which is a component of the Support Box Turn Pipe Sections clockwise firmly to lock them together Sheet metal screws may be used to reinforce the connection however they are not normally required Screws are only acceptable in the outer liner 8 Install Attic Insulation Shield Install the Attic Insulation Shield where the chimney passes into an attic It s purpose is to prevent debris and insulation from getting too close to the chimney Figure 12 An installed Attic Insulation Shield is 14 inches high In attic areas where this shield won t fit a Square Support Box which is available in heights up to 36 inches can be used instead of an Attic Insulation Shield provided it reaches
19. Y HEIGHT Figure 1 ATTIC INSULATION SHIELD FIRESTOP RADIATION SHIELD EE ENCLOSURE MUST HAVE 2 INCHES CLEARANCE BETWEEN CHIMNEY AND WALL FLOOR co UPPORT BOX Figure 2 CHIMNEY ENCLOSURE REQUIREMENTS Through Rooms Interior chimneys shall be enclosed where they extend through closets storage areas or habitable spaces where the surface of the chimney could be contacted by persons or combustible materials The space between the chimney and the enclosure shall beatleast2inches Figure 2 Multi Story The National Fire Protection Association Standard 211 states Factory built chimneys that pass through floors of buildings requiring the protection of vertical openings shall be enclosed with approved walls having a fire reistance rating of not less than one hour when such chimneys are located in a building less than 4 stories in height and not less than 2 hours when such 6 chimneys are located in a building more than 4 stories in height Cold Climates In cold climates chimneys mounted on an outside wall should be enclosed Exterior chases reduce condensation and creosote formation and enhance draft Include an access door by the Tee Cleanout Cap for chimney cleaning See figure 23 STOVE RECOMMENDATIONS Follow the stove manufacturer s instructions The requirements stated below pertain to all stoves or other appliances installed with DuraPlus chimney systems
20. ase top In addition a 1 2 inch air gap should exist between the hole in the cover and the Chimney Pipe Sections Figure 29 displays in some detail how these air gaps are established with locally fabricated spacers and covers These are not furnished by DuraVent but may be made from 28 gage or heavier sheet metal Should the installer elect to use Flat Roof Flashing which is a stock item the air spaces are still required When installing the Storm Collar do not push it down all the way to the cover but allow an air space for flow between the Chimney Pipe and the hole in the cover MASONRY FIREPLACE INSTALLATIONS 1 Determine Chimney Size Use Table 4 to determine the correct diameter chimney for your fireplace 2 Mount Anchor Plate Chimneys for masonry fireplaces begin with an Anchor Plate Center the Anchor Plate on a brick or concrete base over the masonry flue opening Seal the Anchor Plate with a high temperature sealant and secure with 4 1 4 inch masonry anchors Figure 30 Be sure it is level The Anchor Plate is available in two styles One contains the perforated Starter Section which is used 1 2 INCH AIR SPACE ESTABLISHED BY SPACERS N N INCH AIR SPACE x DERE en FLAT ROOF FLASHING 12 INCH MINIMUM FRAMED CHASE ENCLOSURE NAIL AS REQ STORM COLLAR SDP SC FLAT ROOF FLASHING SDP TF MUST BE VENTILATED SPACERS LOCALLY FRABRICATED NOT CHIMNEY FURN
21. ce to combustible materials is maintained all around Install the upper edge of the Flashing under the roofing Nail to the roof along the upper edge and the upper half on each side with 1 inch roofing nails Do not nail the lower edge of the Flashing or the lower half of the sides Figure 14 Seal all nail heads with a non hardening waterproof sealant On flat or tarred and graveled roofs nail and seal the Flat Roof Flashing to the roof on all sides with roofing compound Do not put screws through the Flashing into the Chimney Pipe 10 Finish Top Apply a non hardening waterproof sealant around the chimney at the point where the Storm Collar will meet the WARNING IF CHIMNEY IS ENCLOSED IN ATTIC AREA YOU MUST USE VENTILATED FLASHING Figure 12 pud N Y Ne rdi Figure 13 PUSH COLLAR DOWN TO FLASHING AND SEAL WITH 1 INCH ROOFING NON HARDENING NAILS ALONG TOP OF SEALANT FLASHING SEALANT SHOWN IN HEAVY LINE FLASHING SDP F SDP TF Figure 14 11 NOT MORE THAN 48 INCHES 12 Figure 15 SPLITTER SDP ES Figure 16 T APPLY SMALL BEAD OF NON HARDENING SEALANT ALONG SEAM SEAM OF CHIMNEY PIPE SECTION SDP E 159 30 SDP P OFFSET Figure 17 chimney above the Flashing and also along the vertical seam of the chimney pipe which is exposed to the weather F
22. e burned in the appliance or fireplace In case of a chimney fire the chimney must be inspected a pproved by a certified Chimney Sweep before reuse After each annual inspection maintenance and cleaning the certified Chimney Sweep st fill out and date the appropriate section of the warranty card provided with the chimney liner LIMITATIONS ON INTERNET SALES Notwithstanding any other terms or conditions of this Limited Lifetime Warranty DuraVent provides warranty for the following specific products if such products are not installed by a qualified professional installer Duralech DuraPlus DuraChimney II PelletVent Pro DirectVent Pro FasNSeal FasNSeal W2 FasNSeal Flex and PolyPro and M amp G DuraVent s relining products including DuraLiner DuraFlex SW Pro 316 304 and Ventinox For purposes of this warranty a trained professional installer is defined as one of the following licensed contractors with prior chimney installation experience CSIA Certified Chimney Sweeps NFI Certified Specialists or WETT Certified Professionals DuraVe be notified and given the opportunity to inspect defective product prior to replacement under the terms of this limited lifetime
23. embling the DuraBlack pipe are contained in their shipping cartons Remember the minimum clearance to combustibles for single wall stovepipe is 18 inches 2 DVL DuraVent manufactures DVL which is a double wall connector pipe which may be positioned within 6 inches to a combustible wall and within 8 inches to a combustible ceiling provided the appliance installation instructions permit this distance In order to join this type of connector to the ceiling support or wall thimble a Close Clearance Adaptor Part 8674 8774 or 8874 for 6 inch 7 inch or 8 inch pipe respectively is required The adaptor slips into the hole in the ceiling support or wall thimble Align the tabs on the adaptor with the slots cut into the face of the ceiling support or wall thimble push in and twist to lock it in place Detailed instructions for assembling the remainder of the close clearance system are included in the shipping cartons 21 CHIMNEY MAINTENANCE 1 Creosote and Soot When wood is slowly it produces tar and other organic vapors which combine with expelled moisture to produce creosote The creosote vapors condense in the relatively cool chimney flue of a slow burning fire As a result creosote residue accumulates on the flue lining When ignited this creosote makes an extremely hot fire 2 Access Chimneys must be installed so that access is provided for inspection and cleaning 3 When to Clean The chimney
24. es through an attic Firestop Radiation Shields and Insulation Shields must be installed 4 Frame Openings Frame openings in each ceiling or floor above the Support Box Figure 7 These openings are to hold the Firestop Radiation Shields and Attic Insulation Shields Locate each opening by dropping a plumb bob to the four corners of the opening below Maintain the minimum clearances and TABLE 2 FRAMING FOR SQUARE SUPPORT BOXES ROUND SUPPORT BOXES AND WALL THIMBLES SQUARE SUPPORT BOXES Chimney inside diameter 6 INCHES 7 INCHES 8 INCHES Framed opening inside dimensions 14 x 14 14 x 14 14 4x 14 ROUND SUPPORT BOXES Chimney inside diameter 6 INCHES 7 INCHES 8 INCHES Framed opening inside dimensions 14 x 14 14 x 14 14 Ax 14 WALL THIMBLES Chimney inside diameter 6 INCHES 7 INCHES 8 INCHES Framed opening inside dimensions 14 x 14 14 2 14 14 x 14 FIRESTOP RADIATION SHIELD Chimney inside diameter 6 INCHES 7 INCHES 8 INCHES Framed opening inside dimensions 14 x 14 14 x 14 14 x 14 dimensions as specified in Table 2 If Elbows must be used to avoid an obstruction refer to 14 INCHES 1 the offset elbow installation section cc pd 5 Cut Roof Opening Cut an opening in the sane gt Cos ON Lu roof directly above the opening below and E at least 4 inches larger than the chimney s outside diameter to provide at least a 2 inch clearance
25. g to the manufacturer s instructions The flue outlet collar should be placed between the rafters or joists above if possible 2 Frame Support Opening Drop a plumb bob to the center of the appliance s flue outlet and mark this center point on the ceiling Refer to Table 2 for specific framing and clearance dimensions Mark appropriate cutting lines around the center point Cut a square hole in the ceiling for a Square Support Box or a round hole for a Round Support Box Frame a level square opening centered over the hole which you have cut Figures 3 and 4 14 1 2 TE JOISTS 14 1 2 FRAMING SUPPORT BOX OISTS DX X c 2 INCHES MINIMUM BELOW FINISHED CEILING Figure 3 u Em ATTIC pu OF 2 INCHES BELOW FINISHED CEILING M c 18 INCHES MINIMUM FOR SINGLE WALL STOVEPIPE E FLASHING VENTILATED SDP SC SDP SC CHIMNEY SECTIONS SDP P ATTIC INSULATION SHIELD SDP IS FRAMED SQUARE CEILING OPENING SUPPORT BOX SDP SB OR ROUND CEILING SUPPORT SDP RS Figure 4 FLAT SUPPORT BOX SDP S Figure 5 ROUND CEILING SUPPORT WITH TRIM CATHEDRAL CEILING PLATES IN PLAGE WITH TRIM FRAME IN pw PLACE CM WOOD SCREW 6 REQ OOD SCREW 8 REQ Figure 6 3 Install Support Slip the Support Box Figure 5 into the framed opening It must extend at least 2 inches below
26. himney Section s TABLE 3 DURAPLUS SDP OFFSET CHART 1 WE roe BE AW BWO AW NW AW nw RS jer poss ORE RR oW 1 wow Bw BH l y D Wl oan UW wo UWO wo WUW g y g M y y v w uw AWO uw ww o 13 CHIMNEY SECTION SDP P EXTENDED ROOF BRACKET SDP RSA 3 4 INCH THIN WALL 9 20 GALVANIZED ELECTRICAL CONDUIT NOT FURNISHED Figure 18 ET CHIMNEY CAP SDP C LL 1 EXTENDED ROOF BRACKET SDP RSA E NOTE IF A DIMENSION A 60 IS GREATER THAN 4 FEET EXTENDED FOOF BRACKET MUST BE USED E A STORM COLLAR SDP SC FLASHING SDP F SDP TF CONSISTS OF 1 PIPE BAND 2 ROOF BRACKET CONNECTED WITH 3 4 INCH THIN WALL GALVANIZED ELECTRICAL CONDUIT NOT FURNISHED BY SIMPSON DURA VENT FLATTEN ENDS AND BOLT TO PIPE BAND AND BRACKET Figure 19 EXTENDED ROOF BRACKET INSTALLATION If the chimney extends more than 4 feet above the roofline an Extended Roof Bracket must be installed at every 4 foot increment of height above the roofline leaving no more than 4 feet extending above the last pipe band 1 Mount Pipe Band Slip the Pipe Band around the chimney and secure by tightening the nut and bolt 2 Install Roof Brackets Measure from the Pipe Band to the points where the conduit will meet the roof and form approximately a 60 angle with the chimney
27. igures 14 and 15 Slide the Storm Collar down over the chimney to the top of the Flashing Tighten and seal the Storm Collar against the sealant After installing sufficient Chimney Sections to meet the height requirement Figure 1 snap the Chimney Cap onto the top of the chimney The Chimney Cap can be removed for chimney cleaning as described in the Chimney Maintenance section of the instructions Use an Extended Roof Bracket if the chimney extends more than 4 feet above the roof Figures 18 and 19 in the Extended Roof Bracket section If you are located in heavy snow country a splitter should be fabricated from heavy gauge sheet metal and installed Figure 16 This will route the snow around the chimney and protect it This item is not furnished by DuraVent 11 Enclosures Enclose chimneys where they pass through occupied spaces including closets Always maintain at least a 2 inch clearance between the chimney and any combustible surface Interior enclosures may be constructed with standard framing and sheathed with sheetrock or plywood Use Wall Straps if necessary to maintain a minimum of 2 inches of air space between the chimney and combustible materials OFFSET ELBOW INSTALLATION Elbows are manufactured in 15 and 30 angles measured from the vertical A 30 Elbow is the largest that can be used in an offset A 30 Elbow may not be combined with a 15 Elbow to make a 45 offset for example Avoid Elbows if pos
28. learances This reduced clearance is permissible at these internal locations only All other areas require a 2 inch minimum clearance Never fill any required clearance space with insulation or any other materials Combustible materials include lumber plywood sheetrock plaster and lath furniture curtains electrical wiring and building insulation Keep single wall stovepipe at least 18 inches away from combustible materials unless a clearance reduction system that is acceptable to the authority having jurisdiction is used or the appliance to be installed is listed and the instructions specify a different clearance PERMITS Contact your local Building Official or Fire Official regarding permits restrictions and installation inspections in your area DURAPLUS APPLICATIONS Use DuraPlus with wood stoves fireplaces furnaces boilers water heaters stoves ranges or other residential type appliances fueled by oil gas coal or wood Do not use 4 with forced draft positive pressure appliances DuraPlus systems are designed to extend vertically with a maximum of 2 offsets of 30 offset and return DuraPlus is tested to UL Test Proceedure 103HT and listed under UL Re examination Service Number MH7399 Tools You May Need Hammer Level Caulking Gun Plumb Bob Screwdriver Tin Snips Saber or Keyhole Saw Drill Materials You May Need Non hardening Waterproof Sealant 8 Penny Nails 5 16 inch x 3 inch long Lag Screw
29. ney life coat all exterior metal parts with the exception of the Chimney Cap with high temperature rust proof paint Wash the metal with a vinegar and water solution before painting 9 Creosote Formation DuraVent assumes no liability for structural damage or roof contamination as the result of creosote formation It is the owner s responsibility to comply with inspection and cleaning requirements as described in these instructions 23 M amp G DURAVENT LIMITED LIFETIME WARRANTY M amp G DuraVent Inc DuraVent provides this limited lifetime warranty for all of its products with the exception of Ventinox lifetime and PolyPro ten years Subject to the limitations set forth below DuraVent warrants that its products will be free from defects in material manufacturing if properly installed maintained and used DuraVent products are fully warranted if installed only by a professional installer This Warranty is transferable from the original homeowner to the buyer of the home This warranty does not cover normal wear and tear smoke damage or damage caused by chimney fires acts of God or any product that was 1 purchased other than from an authorized DuraVent dealer retailer or distributor 2 modified or altered 3 improperly serviced inspected or cleaned or 4 subject to negligence or lt 0 G VES any use not in accordance with the installation instructions included with the product as de
30. ood workmanship Sloppy work could jeopardize your chimney s safety Keep electrical wiring and insulation away from all chimneys and stovepipes CHIMNEY DIAMETER Follow the appliance manufacturer s instructions to determine chimney diameter and clearances between combustible materials and your heating appliance Never choose a chimney with an inside diameter smaller than the appliance flue gas outlet To calculate the chimney s outside diameter add 4 inches to the inside diameter CHIMNEY HEIGHT The National Fire Protection Association Standard 211 states Chimneys shall extend at least three feet above the highest point where it passes through the roof of a building and at least two feet higher than any portion of a building within ten feet Figure 1 DuraPlus may be installed up to 35 feet high If a chimney is installed higher than 35 feet a supporting Elbow Strap must be placed every 8 feet If the chimney extends more than 4 feet above the roof an Extended Roof Bracket must be used Subtract 1 1 2 inches from each Chimney Section s length to calculate installed length CHIMNEY PLACEMENT When deciding the location of your chimney try to minimize the alteration and reframing of structural components of the building 2 FEET MIN ABOVE HIGHEST POINT OF ROOF WITHIN 10 FEET E 3FEET MIN FROM ROOF PENETRATION 10 FEET MINIMUM CHIMNE
31. s Roofing Nails 3 4 inch Galvanized Electrical Conduit where the chimney extends 4 feet or more above the roof Safety Equipment Dependable Ladder Eye Protection Proper Gloves and Shoes INSTALLATION NOTES Proper planning for your DuraPlus installation will result in greater safety efficiency and convenience as well as saving time and money Use only authorized DuraPlus SDP listed chimney parts You must use 10096 DuraPlus listed parts to obtain a DuraPlus listed system Do not mix parts or try to match with other products or use improvised solutions Do not install damaged parts Table 1 lists the authorized components and their respective Underwriter s Laboratory Catalog TABLE 1 DURAPLUS SDP PARTS WITH UL CATALOG NUMBERS UL Part UL Cat Part SDP P Chimney Sections SDP TS Tee Support Bracket SDP T Tee SDP IS Insulation Shield SDP F Flashing SDP FRS Firestop Radiation Shield SDP TF Flat Roof Flashing SDP SC Storm Collar SDP S Flat Ceiling Support Box SDP WS Wall Strap SDP RS Round Ceiling Support Box SDP ES Elbow Strap SDP SB Square Ceiling Support Box SDP RSA Extended Roof Bracket SDP WT Wall Thimble SDP AP Anchor Plate SDP C Chimney Cap Numbers The UL Catalog Numbers will be referred to within the instructions as an aid to assembly however for ordering use the stock numbers shown in the Chimney Products Catalog Practice g
32. sible since a totally vertical chimney is more efficient When Elbows are necessary to avoid obstructions such as rafters ridgepoles or joists use no more than 2 pairs of Elbows 4 elbows total in any one chimney system 1 Attach Elbows Attach Elbows to Chimney Sections or other Elbows by twisting clockwise until they lock firmly Attach one Elbow to the Chimney Section below and align it for the offset If the needed direction of the Elbow is different than the fully locked position the Elbow can be rotated to desired direction and can be secured to pipe section with a minimum of 4 sheet metal screws Do not penetrate the inner wall Refer to Table 3 to determine the required offset length and attach an appropriate length or lengths of Chimney Section s above the Elbow Do not exceed the maximum lengths between the Elbows specified in Table 3 Attach the second Elbow above the Chimney Section to complete the offset Figure 17 2 Secure Offset Place the Elbow Strap s band around the angled portion of the top Elbow then tighten the nut and bolt until the clamp is firm Wrap the Elbow Strap end over an adjacent joist or rafter and secure it with at least two 8 penny nails Do not add more Chimney Sections until the Elbows are supported Be sure that the chimney remains vertical If the total length of the Chimney Sections between the two Elbows exceeds 3 feet install a second Elbow Strap around the center of the C
33. termined by DuraVent Installation instructions are available online at www duravent com under Support Literature and through our Customer Service Department 800 835 4429 or customerservice duravent com This limited lifetime warranty applies only to parts manufactured by DuraVent DuraVent provides the following warranties for its products One Hundred Percent 10096 MSRP 15 years from the date of purchase and Fifty Percent 50 thereafter except for the following limitations on all Termination Caps and DuraBlack are warranted at One Hundred Percent 10096 for five years erms and conditions All warranty obligations of DuraVent shall be limited to repair or replacement of the defective product pursuant to 1 applicable to each product line These remedies shall constitute DuraVent s sole obligation and sole remedy under this warranty This warranty provides no cash surrender value The terms and conditions of this warranty may not be modified altered or waived by any action inaction or representation whether oral or in writing except upon the express written authority of an executive officer of DuraVent an Corn bio fuels driftwood or other wood containing salt preservative treate ber plastic ousehold trash or garbage or wood pellets containing such materials must not b
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