DuraVent DuraTech Series Installation Instructions Manual

All-fuel chimney system 5” to 8” diameter

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Installation Instructions
All-Fuel Chimney System
5" to 8" diameter

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  • Page 1 Installation Instructions All-Fuel Chimney System 5” to 8” diameter...
  • Page 2 Read through all of these instructions before I welcome any comments regarding matters beginning your installation. Failure to install pertaining to our DuraVent products. as described in this instruction will void the I welcome any ideas, input or complaints and manufacturer’s warranty, and may have an...
  • Page 3: Table Of Contents

    All-Fuel ChImney SyStem, 5” to 8” dIAmeter For the most up-to-date installation instructions, see www.duravent.com CONTENTS CLEARANCES ..........4 PERMITS.
  • Page 4: Clearances

    If you have any for use with solid fuel appliances in Canada. questions, be sure to contact either your dealer DuraTech Chimney is available in 5”, 6”, 7” & or DuraVent directly. 8” diameters (UL 103 HT Rated), as well as...
  • Page 5: Chimney Diameter

    2 FT MIN ABOVE HIGHEST DuraTech Chimney Components POINT OF ROOF WITHIN 10 FT 6”, 12”, 18”, 24”, 36”, 48” pipe Firestop Radiation sections Shield 10 FT 3 FT MIN Elbow with swivel Attic Insulation Shield ABOVE ROOF Tee with Tee Cap Elbow Strap Adjustable Tee Support Bracket Adjustable Wall Strap...
  • Page 6: Chimney Placement

    CHIMNEY PLACEMENT STOVE RECOMMENDATIONS When deciding the location of your chimney, Follow the stove manufacturer’s instructions. try to avoid modifications to roof beams and The requirements stated below pertain to other structural components of the building. all stoves or other appliances installed with DuraTech Chimney systems.
  • Page 7: Ceiling Supported

    3. Install Support Box: For installation into CEILING SUPPORTED a flat ceiling, there is the option of the Round 1. Place Appliance: Position the appliance Support Box, the Flat Ceiling Support Box, according to the manufacturer’s instructions. the Square Ceiling Support Box , Reduced The flue outlet collar should be placed Clearance Support Box , or the CAS Ceiling between the rafters or joists above, if possible.
  • Page 8 Next, secure the Trim Collar (round or square) SQUARE CEILING ROUND CEILING SUPPORT BOX WITH SUPPORT WITH TRIM to the framing members using the (4) 1” long, TRIM FRAME IN PLACE round-head wood screws provided (Fig 6). IN PLACE For installation into a cathedral ceiling, you must use the Square Ceiling Support Box or Reduced Clearance Support Box (or the CAS MIN OF 2...
  • Page 9 Framing Dimensions TWIST CLOCKWISE Chimney Diameter TO TIGHTEN 5” 6” 7” 8” Cathedral Ceiling 11-1/4” 12-1/4” 13-1/4” 14-1/2” Support Box Flat Ceiling 11-1/4” 12-1/4” 13-1/4” 14-1/2” Support Box round Ceiling 11-1/4” 12-1/4” 13-1/4” 14-1/4” Support Box Figure 9 FireStop radiation 11-1/4”...
  • Page 10 8. Install Attic Insulation Shield: The Attic Insulation Shield is required where the chimney passes into an attic. Its purpose is to prevent debris and insulation from getting too close to the chimney (Fig 10). An installed Attic Insulation Shield is 15 inches high. In attic areas where this shield cannot fit, you must enclose the attic portion of the chimney in a framed enclosure.
  • Page 11: Offset Elbow Installation

    When Elbows snow country, it is recommended that a Snow are necessary to avoid obstructions such as Splitter be installed. The Snow Splitter can be rafters, ridgepoles, or joists, use no more than purchased from DuraVent or fabricated locally...
  • Page 12 Strap, Tee Support, or similar support method ELBOW STRAP ELBOW to support the weight of the pipe and to relieve stress on the Elbows. Attach the second Elbow above the Chimney Section to complete the offset (Fig 15). 2. Secure Offset: Place the Elbow Strap’s CHIMNEY band around the angled portion of the top SECTION...
  • Page 13: Extended Roof Bracket Installation

    least (2) 8-penny nails or (2) #8, 1-1/2 screws. EXTENDED ROOF BRACKET ASSEMBLY Do not add more Chimney Sections until PIPE BAND AROUND the Elbows are supported. Be sure that the CHIMNEY ADJUSTABLE chimney remains vertical. If there is more than SECTION LEGS ADJUST FROM 67 TO...
  • Page 14 ADJUSTABLE FLASHING STORM COLLAR SQUARE PORTION CHIMNEY OF SUPPORT BOX SECTION NEEDS A MIN OF 2 INCHES CLEARANCE TO FINISHED CEILING CHIMNEY 18 INCH MIN CLEARANCE SECTION FOR SINGLE-WALL STOVEPIPE SQUARE CEILING FRAMED SUPPORT BOX OPENING OR REDUCED CLEARANCE SUPPORT BOX Figure 18 ADJUSTABLE FLASHING...
  • Page 15 ceiling and roof exists, as shown in Figure 18 (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 (Fig 19), then the hole is cut in the roof.
  • Page 16: Tee-Supported Installations

    DURATECH CHIMNEY Alternative Installation Location for Roof PIPE Support: The Roof Support may be used at the ROOF SUPPORT bottom of a Chimney installation (Fig 22). This FLOORING may be useful for some basement installations. Maintain a minimum of 2” clearance to combustibles at all times.
  • Page 17 as needed to fit your installation. There are Thimble. Center the back portion of the Wall two options when installing a Tee-Supported Thimble (with shield inside wall) in the framed installation: the Tee Support above the Tee, or opening of the outside wall. Be sure to seal the Tee Support below the Tee.
  • Page 18 WALL THIMBLE COVER PLATE CHIMNEY TEE FINISHING COLLAR TEE BRANCH (MUST EXTEND AT LEAST 6 INCHES BACK OF WALL THIMBLE INTO ROOM) (SECURE WITH 4 NAILS OR 4 SCREWS) Figure 25 TEE SUPPORT MAY BE INSTALLATION INSTALLED WITH LEG BRACKETS WITH TEE BELOW INSTALLATION WITH TEE TEE SUPPORT...
  • Page 19 Section: Twist lock the Tee onto a desired EXTENDED ROOF SUPPORT BRACKET length of Chimney to be used as the cleanout section. Use only one chimney section (any length) to attach to bottom of the Tee. Tighten ADJUSTABLE WALL support band around chimney section at STRAP proper height to insure that Tee is centered through Wall Thimble (Fig 25 &...
  • Page 20 Flashing. Using a Chase Top Flashing allows for a lower profile for the chimney. The Chase Top Flashing has an opening that is 3” larger in diameter than the DuraTech Chimney. If the Chase Top Flashing can fit over your chase ALLOW MIN OF 2 INCHES enclosure as required (Fig 29) then install as AIR SPACE ON ALL SIDES...
  • Page 21: Masonry Fireplace Installations

    masonry chimneys. Center the Anchor Plate gap is maintained between the flashing and the over the masonry flue opening, and seal the chase. Seal the screw heads with non-hardening Anchor Plate with a high-temperature (1000ºF) sealant. When installing the Storm Collar, allow sealant.
  • Page 22: Zero-Clearance Fireplace Installations

    CONNECTION FROM APPLIANCE Figure 30 TO CHIMNEY SYSTEM 1. Single Wall Stovepipe: If single wall stovepipe CHIMNEY SECTION is desired, DuraVent’s “DuraBlack” single-wall SHEET METAL stovepipe is recommended. The connection SCREWS (4 REQUIRED) to the Ceiling Support Box, or Finishing Collar...
  • Page 23: Chimney Maintenance

    Vent listed and you are using a listed Type-L Vent noncorrosive to the chimney liner. DuraVent will connector, then you are permitted to use the assume no liability for damage resulting from the use clearances as specified by the vent listing.
  • Page 24 (10) years. 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;...

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