® DuraTech Guide All-fuel, double-wallAll-fuel, system. chimney UL 103, UL 103 HT, S604. and ULC 800.835.4429 | 707.446.4740 Fax | www.duravent.com 800.835.4429 | 707.446.4740 Fax L923_810007459_Brochure_DuraTech Install Guide_07-20-17_V2 L923_810007459_Brochure_DuraTech Contact Professional Technical Help Technical Professional the best customer prides itself on providing DuraVent service support and technical industry. in the answer to is available Team SupportOur Customer questions. technical – Friday Monday | 8:30am – 7pm EST 5:30am – 4pm PST 800-835-4429 Tel: 707-446-4740 Fax: [email protected] [email protected] Applications double-wall, is a chimney system all-fuel DuraTech 5”-8” boilers, furnaces, fireplaces, stoves, with wood use for fueled by or other appliances heaters, water ranges, that and zero-clearance fireplaces or gas, coal, oil, wood, factory-built.are Construction and Materials 430 stain- of .020” inner wall pipe features diameter 5”-8” 430 stainless steel options of .016” wall Outer less steel. (refractory) Tech Thermal A steel. galvalume or .021” Stainless walls. is encased between blanket insulation end rings seal the pipe. steel twist-lock insulation, weight light features DuraTech with factory supportfittings, boxes end installed male select base, black with 360° swivel elbows coupler, length pipe sections, and foot five finish pipe lengths, adjustable pipe lengths. Clearances combustibles. to clearance 2” Shrouds specifications. shroud with DuraVent UL Listed or www.duravent.com online at available Information L157. call and request Diameters 5”-8” Listings S604 (MH7399) UL 103 HT and ULC to Listed c-UL-us installation for required wall outer steel (Stainless in Canada). Specifications A double-wall all-fuel chimney for appliances A double-wall appliances for all-fuel chimney or gas. coal, oil, wood, fueled by a provide to on the outside, cool stay to Designed efficiency, stove boost to hot draftinside, on the protects that a fire-safe design for provide and to doubleThis the building. both the chimney and refractory flexible a insulation features chimney wall refractoryThe is insulation walls. blanket between common hot spots eliminating in place, held securely of a creosote In event the with loose fill insulations. permits the chimney liner the blanket insulation fire, direction. in a radial outwards expand to is built stoves wood-burning for DuraTech DuraVent's and a wall outer steel with a stainless or aluminized It with a blanket is insulated inner liner. stainless steel unique twist-lock design DuraVent’s insulation. an providing install, to and is easy no tools requires firm connection. and tight exceptionally Chimney Safety Chimney 6” Y

12” 10’ 2 FT. MIN. ABOVE 2 FT. HIGHEST POINT OF WITHIN 10 FT. THE BUILDING Figure 2 Figure Figure 1 Figure X MINIMUM CHIMNEY HEIGHT REQUIREMENT 3 FT. MIN. 3 FT. ABOVE ROOF PENETRATION Measure the diameter of the appliance flue flue of the appliance the diameter Measure Select or Duraoutlet. - DVL chimney and either with the same size Black connector stovepipe flue outlet. as the appliance diameter a 6/12 example For pitch. the roof Measure a horizontal over has a verticalpitch rise of 6” flashing. Select the appropriate of 12”. distance 1. See Figure above Determine the minimum chimney height a minimum require Building codes line. the roof least 2’ and at penetration the roof above of 3’ portionhigher than any of a building within 10’. 1. See Figure or other rafters avoid to If an offset is required distance the horizontal measure obstructions, and the vertical available. height required Elbows available. Both are 15° and 30° elbows in the United not allowed than 30° are greater support. adequate ensure straps Elbow States. 2. See Figure of chimney and length Determine the total calcu- To the installation. for required stovepipe DuraTech the installed per length of 5”- 8” late di- 10”- 24” For per joint. subtract 1 1⁄4” pipe, Subtract of pipe. per joint subtract 3⁄4” ameter, Subtract of DuraBlack stovepipe. per joint 1 1⁄4” Minimum stovepipe. of DVL per joint 1 1⁄2” vertical of straight sea level, at chimney height, outlet. the appliance above 15’ to chimney is 10’ or a tee, or the use of elbows Higher elevations, 60% more 30% to approximately will require draft. an adequate for provide to height

5. 4. 1. 2. 3. Step Step Step Step Step Step Step Step

How To Plan Your Installation Your Plan To How Installation ® Typical Installations DuraTech Chimney Installation The following is a brief overview of a typical installation. 7 Detailed installation instructions can be found at www.duravent.com. 8 • DVL/DuraBlack Chimney Adapter DuraTech® 8 4 must be used when connecting DVL 8 4 1 DVL or DuraBlack 6 pipe to a Ceiling Support Box or 7 13 6 4 2 Ceiling Support Finishing Collar. When connecting 7 DuraBlack pipe, a DVL/DuraBlack 3 7 3 Wall Thimble 4 17 10 17 Chimney Adapter, DuraBlack Slip 16 4 Chimney Pipe 5 Connector, or Snap-Lock Adapter 9 5 Attic Insulation Shield 1 must be used. 11 6 Flashing 18 • Wall Thimble must be installed 2 with an appropriate length of 7 Storm Collar 1 12 19 chimney pipe for all horizontal 1. Drop a plumb line to center of stove flue collar. Mark 2. Slide the chimney support box into the framed 3. Nail the chimney support box to the framed opening 4. Screw the support box trim to the ceiling. 5. Lower the first chimney section over short piece of 1 8 Chimney Cap through-the-wall installations. center point on ceiling. Refer to installation instructions opening from below, and level it. At least 2” of the box from above. Use at least two 8 penny nails on each side. pipe in the bottom of the support box. Push together 9 Elbow To accommodate thicker walls, for framing dimensions. should extend below finished ceiling. and twist to lock. 10 Elbow Strap 18 the telescoping pieces of the Wall Thimble can be separated, and a 11 Tee with Tee Cap Cathedral Ceiling field-fabricated extension may be AtticAttic O set Offset Through-the-WallThrough-The-Wall Cathedral Ceiling 12 Tee Support installed. 13 Chase Top Flashing • Attic Insulation Shield must be 14 Base Tee/Double Tee used in all installations that pass through an attic, regardless of Anchor Plate or Anchor Plate 7 15 8 7 with Damper 8 8 whether the attic is insulated or not. 6. Slip insulation shield over chimney until base sits 7. Wrap insulation shield collar around chimney. Slide it 8. Drop a plumb line from roof to center of chimney. 9. Hole in roof must provide at least a 2” clearance all 10. Complete the chimney installation above the roof 16 Roof Support 5 4 4 4 • Firestop Radiation Shield must squarely on framed opening or nests in the support box. down to the shield. This establishes the center point for cutting a round around the chimney. Add more chimney sections and by adding more chimney sections. Make sure the 6 17 Finishing Collar 14 6 be used when a chimney passes Nail to opening or screw to box. hole through the roof. twist to lock. chimney is plumb. 13 7 DVL Adapter, DuraBlack Slip through a floor or ceiling without a 18 Connector, or Snap-Lock Adapter 18 support box. 4 2 15 18 19 DVL Adapter (w/ or w/o damper) 2

19 1

11. Slip the flashing over the roof hole so the top 12. Add more chimney sections until chimney is at least 13. Slip storm collar around chimney and slide down. 14. If the chimney extends 5’ or more above the roof 15. Press chimney cap into the last section of pipe. To edge is under the shingles above. Nail the flashing to 3 ft above roof, and at least 2 ft above any part of your Apply high temperature silicone sealant where storm penetration an Extended Roof Bracket is needed. clean remove the (4) screws and brush the inner sleeve. Fireplace Oil Furnace New or retro t the roof across the top and down 1/2 each side. Seal house within 10 ft. collar will meet chimney. Cathedral Ceiling flashing and nailheads with weatherizing sealant. Oil Furnace Fireplace Cathedralw/Support Box Ceiling With Support Box