{"product_id":"duravent-duraflex-6-x-70-316-stainless-steel-custom-flex-pipe-length","title":"DuraVent DuraFlex 6\" x 70' 316 Stainless Steel Custom Flex Pipe Length","description":"\u003cp\u003eDuraFlex 304 and 316 are lighter, more economical liners. Excellent when there are minimal offsets in the chimney. DuraFlex 304SS and 316SS are intended for wood burning, non-condensing gas and oil fired appliances. Where greater corrosion resistance is desired, such as coal-fired appliances, DuraFlex 316 is recommended. DuraFlex 304SS and 316SS are listed to UL 1777 and ULC S635.\u003c\/p\u003e\n\u003ch1\u003eWhat's Included\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eFlex Pipe Length (Custom)\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003eFeatures\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eAvailable in 3\" - 8\" diameter and 10' - 100' lengths.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eUse with solid fuel, non-condensing gas and oil appliances.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e316 alloy is proven to provide additional corrision-resistance when burning coal or other sulfur oils\u003c\/li\u003e\n\u003cli\u003eFlexible stainless steel relining for masonry chimneys\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003eSpecifications\u003c\/h1\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eDuraVent \u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eDuraFlex 316 \u0026amp; 304\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e6DF316-70\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eLength\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003e316 Stainless Steel\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize (Diameter)\u003c\/td\u003e\n\u003ctd\u003e6\"\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003e70'\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch1\u003eWarranty\u003c\/h1\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 46.5779%;\" data-mce-style=\"width: 46.5779%;\"\u003e\n\u003cdiv style=\"text-align: start;\" data-mce-style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0100\/7917\/4734\/files\/Lifetime_Warranty_Badge_240x240.jpg?v=1682130235\" alt=\"\" style=\"float: none;\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0100\/7917\/4734\/files\/Lifetime_Warranty_Badge_240x240.jpg?v=1682130235\" data-mce-style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 50.3802%;\" data-mce-style=\"width: 50.3802%;\"\u003eDuraVent, 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 or manufacturing, if properly installed, maintained, and used.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cdetails\u003e \u003csummary\u003eClick to See \u003cstrong\u003eWarranty Coverage and Limitations\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eDuraVent, 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 or 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 any use not in accordance with the installation instructions included with the product as determined by DuraVent.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eDuraVent provides the following warranties for its products: One Hundred Percent (100%) 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 (100%) for five years. All warranty obligations of DuraVent shall be limited to repair or replacement of the defective product pursuant to the terms and conditions 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.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eCorn, bio-fuels, driftwood or other wood containing salt, preservative-treated lumber, plastic and household trash or garbage, or wood pellets containing such materials must not be burned in the appliance or fireplace. In case of a chimney fire, the chimney must be inspected and approved by a certified Chimney Sweep before reuse. After each annual inspection, maintenance, and cleaning, the certified Chimney Sweep must fill out and date the appropriate section of the warranty card provided with the chimney liner.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eLIMITATIONS ON INTERNET SALES: Notwithstanding any other terms or conditions of this Limited Lifetime Warranty, DuraVent provides no warranty for the following specific products if such products are not installed by a qualified professional installer: DuraTech®, DuraTech® DTC, DuraTech® Premium, DuraPlus HTC®, DDW®, DuraChimney® II, PelletVent Pro®, DirectVent Pro®, FasNSeal®, FasNSeal® W2, FasNSeal® Flex, and PolyPro®, and 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.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eDuraVent must be notified and given the opportunity to inspect defective product prior to replacement under the terms of this limited lifetime 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.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWHERE LAWFUL, DURAVENT DISCLAIMS ALL OTHER WARRANTIES, INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT WILL DURAVENT BE LIABLE FOR INCIDENTAL, CONSEQUENTIAL, PUNITIVE OR SPECIAL DAMAGES OR DIRECT OR INDIRECT 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.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0813\/8725\/8148\/files\/L209_810007492_DV-Limited-Lifetime-Warranty_06-2021.pdf?v=1695119839\" data-mce-href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0813\/8725\/8148\/files\/L209_810007492_DV-Limited-Lifetime-Warranty_06-2021.pdf?v=1695119839\" target=\"_blank\"\u003eDownload DuraVent Limited Lifetime Warranty here.\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/details\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch1\u003eDocuments \u0026amp; Files\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0813\/8725\/8148\/files\/DV_DF_CT-001E_04-23.pdf?v=1703366092\" data-mce-href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0813\/8725\/8148\/files\/DV_DF_CT-001E_04-23.pdf?v=1703366092\" target=\"_blank\"\u003eDuraFlex® SS Catalog \u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0813\/8725\/8148\/files\/L701_DF_w.pdf?v=1703366642\" data-mce-href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0813\/8725\/8148\/files\/L701_DF_w.pdf?v=1703366642\" target=\"_blank\"\u003eDuraFlex® Product Brochure\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0813\/8725\/8148\/files\/L700_Relining_Brochure_W.pdf?v=1703365968\" data-mce-href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0813\/8725\/8148\/files\/L700_Relining_Brochure_W.pdf?v=1703365968\" target=\"_blank\"\u003eRelining Factory-Built Chimney Brochure\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0813\/8725\/8148\/files\/L253_820003160_Install-Instructions_DuraFlex-SS-1.pdf?v=1703366740\" data-mce-href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0813\/8725\/8148\/files\/L253_820003160_Install-Instructions_DuraFlex-SS-1.pdf?v=1703366740\" target=\"_blank\"\u003eFlexible Chimney Liners Installation Instructions\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0813\/8725\/8148\/files\/L253SUP-C_820013026_Install-Instructions_Factory-Built-Reline.pdf?v=1703366771\" data-mce-href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0813\/8725\/8148\/files\/L253SUP-C_820013026_Install-Instructions_Factory-Built-Reline.pdf?v=1703366771\" target=\"_blank\"\u003eFactory Built Chimney Relining Installation Instructions \u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003eFrequently Asked Questions\u003c\/h1\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eWhat are DuraFlex Stainless Steel's Specifications?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cstrong\u003eDuraFlex® Pro\u003c\/strong\u003e\u003cbr data-mce-fragment=\"1\"\u003eDuraFlex® Pro is the ultimate in flexible steel liners for strength and flexibility. It features 20% more stainless steel per foot compared to other liners on the market. Its extreme flexibility facilitates problem free installations where multiple offsets are needed. DuraFlex Pro is available in 3″ through 12″ diameters in lengths, kits and custom lengths. DuraFlex Pro is manufactured utilizing highly corrosion resistant 316 Stainless Steel. Listed to UL 1777 and ULC S635.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cstrong\u003eDuraFlex SW\u003c\/strong\u003e\u003cbr data-mce-fragment=\"1\"\u003eDuraFlex SW is a smooth inner-wall, flexible stainless steel chimney liner. The smooth inner wall provides for no output reduction allowing for full appliance efficiency. Smooth wall construction eliminates ridges that restrict flue gas flow and collect deposits. The lack of ridges facilitates cleaning and maintenance. DuraFlex SW is ideal for relining masonry chimney for wood and gas burning appliances. Listed to UL 1777.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cstrong\u003eDuraFlex 316 \u0026amp; 304\u003c\/strong\u003e\u003cbr data-mce-fragment=\"1\"\u003eDuraFlex 304 and 316 are lighter, more economical liners. Excellent when there are minimal offsets in the chimney. DuraFlex 304SS and 316SS are intended for wood burning, non-condensing gas and oil fired appliances. Where greater corrosion resistance is desired, such as coal-fired appliances, DuraFlex 316 is recommended. DuraFlex 304SS and 316SS are listed to UL 1777 and ULC S635. \u003cbr\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDuraFlex Pro\u003c\/strong\u003e ultra flexible relining for masonry chimney. Use with gas, wood pellet, oil, or wood appliances. Applications include: fireplace inserts, furnaces, boilers, and water heaters.\u003cbr\u003e\u003cstrong\u003eDuraFlex SW\u003c\/strong\u003e smooth wall flexible relining for masonry chimney. Use with gas, wood pellet, oil, or wood appliances. Applications include: fireplace inserts, furnaces, boilers, and water heaters.\u003cbr\u003e\u003cstrong\u003eDuraFlex 316\u003c\/strong\u003e flexible relining for masonry chimney. Use with gas, wood pellet, oil, or wood appliance. Applications include: fireplace inserts, furnaces, boilers, and water heaters. 316 is designed for use in harsher conditions, for more resistance to corrosion, such as coal.\u003cbr\u003e\u003cstrong\u003eDuraFlex 304\u003c\/strong\u003e flexible relining for masonry chimney. Use with gas, wood pellet, oil, or wood appliances. Applications include: fireplace inserts, furnaces, boilers, and water heaters.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMaterials and Construction\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cstrong\u003eDuraFlex Pro\u003c\/strong\u003e: Single-wall .005″ 316 stainless steel.\u003cbr data-mce-fragment=\"1\"\u003e\u003cstrong\u003eDuraFlex SW\u003c\/strong\u003e: Single-wall .005″ overlapped 316 stainless steel (totalling .010″). Overlapped to create smooth inner wall.\u003cbr data-mce-fragment=\"1\"\u003e\u003cstrong\u003eDuraFlex 316 \u0026amp; 304\u003c\/strong\u003e: Single-wall .005” 316 or 304 stainless steel.\u003cbr\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiameters\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDuraFlex Pro \u0026amp; SW\u003c\/strong\u003e: 3″ – 12″.\u003cbr\u003e\u003cstrong\u003eDuraFlex 316 \u0026amp; 304\u003c\/strong\u003e: 3″ – 8″.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eClearances\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDuraFlex Pro\u003c\/strong\u003e: 0″ clearance for gas, oil, and pellet applications. 1″ clearance to masonry for wood-burning applications. Insulation is required for 0″ clearance to masonry for wood-burning.\u003cbr\u003e\u003cstrong\u003eDuraFlex SW\u003c\/strong\u003e: Clearances 0″ clearance for gas, oil, and pellet applications. ” clearance to masonry for wood-burning applications. Insulation is required for 0” clearance to masonry for wood-burning.\u003cbr\u003e\u003cstrong\u003eDuraFlex 316 \u0026amp; 304\u003c\/strong\u003e: 0″ clearance for gas, oil, and pellet applications. 1″ clearance to masonry for wood-burning applications. Insulation is required for 0″ clearance to masonry for wood-burning.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eListings\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDuraFlex Pro\u003c\/strong\u003e: Listed to UL 1777 and ULC S635 (MH45609).\u003cbr\u003e\u003cstrong\u003eDuraFlex SW\u003c\/strong\u003e: Listed to UL 1777 (MH45609).\u003cbr\u003e\u003cstrong\u003eDuraFlex 316 \u0026amp; 304\u003c\/strong\u003e: Listed to UL 1777 and ULC S635 (MH45609).\u003c\/p\u003e\n\u003c\/details\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 16.3333px;\"\u003e\n\u003ctd style=\"height: 16.3333px;\"\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eWhat is DuraFlex Stainless Steel's Typical Installation?\u003cbr\u003e\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eRefer to our Typical Venting Installation drawings to select the appropriate component parts for your installation.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe inner pipe diameter should match the outlet size of the appliance.\u003c\/li\u003e\n\u003cli\u003eCheck the appliance manufacturer’s installation instructions to confirm which types of vent configurations are permitted (i.e. horizontal, vertical, chimney reline, etc.). Also, check for any venting restrictions such as maximum horizontal run, minimum and maximum vertical rise, maximum offset, etc.\u003c\/li\u003e\n\u003cli\u003eBe fire safe! Use proper support and bracing. Follow local building codes and have your venting system inspected.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/duravent.com\/wp-content\/uploads\/2020\/07\/DuraFlex_web.jpg\" style=\"display: block; margin-left: auto; margin-right: auto;\" data-mce-src=\"https:\/\/duravent.com\/wp-content\/uploads\/2020\/07\/DuraFlex_web.jpg\" data-mce-style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMore Typical Installations:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cimg src=\"https:\/\/duravent.com\/wp-content\/uploads\/2020\/07\/DuraFlex_installation.jpg\" style=\"display: block; margin-left: auto; margin-right: auto;\" data-mce-src=\"https:\/\/duravent.com\/wp-content\/uploads\/2020\/07\/DuraFlex_installation.jpg\" data-mce-style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e1   DuraFlex SS Cap\u003cbr\u003e2   DuraFlex AL Cap\u003cbr\u003e3   DuraFlex Top Plate\u003cbr\u003e4   DuraFlex (SW, Pro, 304, 316) Length\u003cbr\u003e5   DuraFlex AL Length\u003cbr\u003e6   DuraFlex SS Tee\u003cbr\u003e7   DuraFlex AL Tee\u003cbr\u003e8   DuraFlex Mortar Sleeve\u003cbr\u003e9   DuraFlex AL Coupling\u003cbr\u003e10  DuraFlex SS Connector\u003cbr\u003e11  PelletVent Pro Appliance Adapter\u003cbr\u003e12  DuraBlack Trim Collar\u003cbr\u003e13  Rigid Type B Gas Vent\u003cbr\u003e14  Rigid PelletVent (L Vent)\u003cbr\u003e15  ProFoil Insulation, AluFoil Tape \u0026amp; ProMesh\u003cbr\u003e16  DVL or DuraBlack Pipe\u003cbr\u003e17  Pipe Collar (B-Vent)\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlanning Your Installation\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e1   Verify the venting requirements of the appliance used. Choose the liner system appropriate for the appliance and installation.\u003cbr\u003e2   Refer to the Typical Installations for the type of liner installation similar to your situation. Identify the needed parts for installation.\u003cbr\u003e3   The size of the liner should match the outlet size on the appliance or the size of the vent\/manifold that penetrates into the masonry chimney.\u003cbr\u003e4   Determined the length of the liner needed.\u003cbr\u003e5   Make sure of a proper fit for the Top Plate of the reliner to provide a secure, leak-proof installation.\u003cbr\u003e6   If a free-standing appliance is used, select the vent or stovepipe pieces to connect from the appliance to the liner (refer to the appropriate section of catalog).\u003cbr\u003e7   Important! Check to be sure the installation complies with all local and national code requirements, including clearance to combustibles. Contact the local building inspector for permit requirements.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDesign Recommendations\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe following design recommendations are intended only as a general guideline to assist in the design and selection of liner components for your installation. Always read and follow DuraVent Installation instructions (enclosed with the cap or support box) before installing DuraFlex. Installation instructions can be viewed online at www.duravent.com, under catalogs and instructions.\u003c\/li\u003e\n\u003cli\u003eBefore relining a chimney, it should be cleaned and inspected to verify the integrity of the mortar and masonry. In addition, have a certified chimney professional determine if the masonry was constructed with 0” or 1” clearance to the surrounding combustibles. This is an important fire safety issue that may have an influence on how the liner is installed.\u003c\/li\u003e\n\u003cli\u003eBe sure to select the proper liner for the application. DuraFlex SS is used for appliances that use oil, wood, or wood-pellets for fuel; DuraFlex AL is for a non-condensing gas appliance. Refer to the appliance manufacturer for installation requirements affecting venting. Keep the vent path as straight as possible for best performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/details\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable data-mce-fragment=\"1\" width=\"100%\"\u003e\n\u003ctbody data-mce-fragment=\"1\"\u003e\n\u003ctr data-mce-fragment=\"1\" style=\"height: 16.3333px;\" data-mce-style=\"height: 16.3333px;\"\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"height: 16.3333px;\" data-mce-style=\"height: 16.3333px;\"\u003e\u003cdetails data-mce-fragment=\"1\"\u003e \u003csummary data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eWhat is DuraFlex Stainless Steel's Relining Solutions?\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eDuraVent is the first manufacturer to have a UL-listed relining system for factory-built chimneys to be used with solid-fuel appliances in the USA. When a homeowner installs a wood-burning insert into an existing UL127-listed fireplace, relining the existing chimney is critical for performance and safety.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eProduct Bulletin\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0813\/8725\/8148\/files\/L700_Relining_Brochure_W.pdf?v=1703365968\" target=\"_blank\"\u003eRelining Factory-Built Chimney Brochure 06-05-17\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-mce-fragment=\"1\"\u003e \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eWhat does the UL listing cover?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eAll 127, 103, or 103HT chimneys\u003cbr\u003eInsulated chimneys- all sizes with 2” clearance\u003cbr\u003eAir cooled – clearance based on diameter\u003cbr\u003eAll Duravent UL1777 systems up to 8”\u003cbr\u003eFlex does not need insulation.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eAir Cooled Chimney Coverage:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eUp to 8” I.D. chimneys with at least 1 ¼” wall (ex. 8×10½)\u003cbr\u003e6×8½ is OK, 8×11 is OK\u003cbr\u003eUp to 8” I.D. chimneys require at least 1 ½” clearance\u003cbr\u003eLarger chimneys with at least 1 ½” wall (ex. 10×13)\u003cbr\u003e9×12 is OK, 10×14 is OK, 16×19 is OK\u003cbr\u003eChimneys larger than 8” require at least 2” clearance\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eFactory-Built Reline Kit includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cimg src=\"https:\/\/duravent.com\/wp-content\/uploads\/2020\/07\/new-relining-solution-292x300.jpg\"\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eStorm Collar\u003cbr\u003eSupport Bracket\u003cbr\u003eVentilation Disk\u003cbr\u003eCentering Bracket\u003cbr\u003eDuraLiner 12” Length\u003cbr\u003eFlex Connector\u003cbr\u003eFlex Length (25’ or 35’)\u003cbr\u003eAdjustable Band\u003cbr\u003eFlex Adapter\u003c\/p\u003e\n\u003c\/details\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable data-mce-fragment=\"1\" width=\"100%\"\u003e\n\u003ctbody data-mce-fragment=\"1\"\u003e\n\u003ctr data-mce-fragment=\"1\" style=\"height: 16.3333px;\" data-mce-style=\"height: 16.3333px;\"\u003e\n\u003ctd data-mce-fragment=\"1\" style=\"height: 16.3333px;\" data-mce-style=\"height: 16.3333px;\"\u003e\u003cdetails data-mce-fragment=\"1\"\u003e \u003csummary data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eWhat are the DuraVent product lines?\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eDuraVent offers the following product lines:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eDuraTech 5″-8″: All-fuel, double-wall chimney system. UL 103 HT and ULC S604.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eDuraTech 10″-24″: All-fuel, double-wall chimney system. UL 103.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eDuraTech Canada is a double-wall, all-fuel chimney system for use with wood stoves, wood fireplaces, and other appliances using wood, oil, gas, or coal.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eDuraPlus: Triple-wall all-fuel chimney with two layers of insulation.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eDuraPlus HTC: Double-wall all-fuel chimney built to Canadian standards.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eDuraChimney II: Double-wall air-cooled chimney for pre-fabricated masonry chimneys.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eCombustion Air Systems: DuraVent’s exclusive, patent-pending system is designed to bring in outside combustion air directly to your wood or pellet stoves.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eDuraBlack: Single-wall stovepipe.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eDVL: Double-wall stovepipe.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eDuraLiner: Double-wall factory insulated masonry relining system.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eDuraFlex: Flexible stainless steel liners.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eDuraFlex Aluminum: Flexible aluminum relining for masonry chimney. UL 1777 and ULC S635.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eVentinox: Flexible stainless steel liner.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eCVS: Provides Ortal Branded Fireplace Systems and as a Direct Vent for Pellet Stoves.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003ePelletVent: Multi-fuel vent.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003ePelletVent Pro: Vents appliances using oil, wood pellets, corn, and other biofuels.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eDirectVent Pro: Unitized, co-axial venting system for direct vent gas or propane stoves, heaters, and fireplaces.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eType B Gas Vent: Vents natural gas, liquid propane category I, and draft-hood equipped appliances\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eFasNSeal: Single, double-wall, flex, and concentric venting for category II, III, and IV appliances.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eFasNSeal 80\/90: Combined Category I and IV venting for Gas-Burning Appliances.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003ePolyPro: Single-wall, flex, and concentric venting made of polypropylene for category II and IV condensing appliances that operate up to 248 degrees.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003ePolyPro Flex: PolyPro double-wall flex lining system. Environmentally safe venting system for high-efficiency appliances, including water heaters, condensing boilers, and warm air furnaces. ULC S636.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eDuraSeal: Single-Wall and Double-Wall Special Gas Vent Boiler Adapters.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eDuraStack: A modular double-wall, positive pressure chimney for use with boiler breeching and stack, engine exhaust, and grease duct (DIS only)\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eDuraStack Pro: Models DIS and DAS. Modular Double-Wall Positive Pressure Chimney for Boiler Breeching, Stack, and Engine Exhaust.\u003c\/p\u003e\n\u003c\/details\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"DuraVent","offers":[{"title":"Default Title","offer_id":45333212561578,"sku":"6DF316-70","price":3166.1,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0100\/7917\/4734\/files\/DuraVent-DuraFlex-6-x-70-316-Stainless-Steel-Custom-Flex-Pipe-Length.jpg?v=1703463371","url":"https:\/\/usfireplacestore.com\/products\/duravent-duraflex-6-x-70-316-stainless-steel-custom-flex-pipe-length","provider":"US Fireplace Store","version":"1.0","type":"link"}