DuraFlex® Flexible stainless steel relining for masonry chimney. UL 1777 and ULC S635.
Specifications UL 1777 and ULC S635 Systems DuraFlex Pro Applications DuraFlex Pro ultra flexible relining for masonry chimney. Use with gas, wood pellet, oil, or wood appliances. Applications include: fireplace inserts, furnaces, boilers, and water heaters. DuraFlex Pro Materials and Construction Single-wall .005” 316 stainless steel. DuraFlex 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.
UL 1777 and ULC S635 Systems DuraFlex 316 & 304 DuraFlex 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.
DuraFlex | Stainless Steel Flexible Relining Typical Installations Installation Key 3 1 4 1 DuraFlex SS Cap 10 DuraFlex SS Connector 2 DuraFlex AL Cap 11 PelletVent Pro Appliance Adapter 3 DuraFlex Top Plate 12 DuraBlack Trim Collar 4 DuraFlex (SW, Pro, 304, 316) Length 13 Rigid Type B Gas Vent 5 DuraFlex AL Length 14 Rigid PelletVent (L Vent) 6 DuraFlex SS Tee 15 ProFoil Insulation, AluFoil Tape & ProMesh 10 7 DuraFlex AL Tee 16 DVL or DuraBlack Pipe 16 8 DuraFlex Mortar
Stainless Steel Flexible Relining | DuraFlex Planning Your Installation Design Recommendations 1 Verify the venting requirements of the appliance used. Choose the liner system appropriate for the appliance and installation. 2 Refer to the Typical Installations for the type of liner installation similar to your situation. Identify the needed parts for installation.
DuraFlex SW | Stainless Steel Flexible Relining Factory-Built Reline Kit Use as a relining system for factory-built chimneys to be used with solid-fuel appliances in the USA. Relining is critical for performance and safety when a wood-burning insert is installed into an existing UL-127-listed fireplace. Kit includes: Cap, Storm Collar, Support Bracket, Ventilation Disk, Centering Bracket, DuraLiner 12" Length, Flex Connector, Flex Length (25' or 35'), Adjustable Band, and Flex Adapter.
Stainless Steel Flexible Relining | DuraFlex SW DuraFlex SW Tee Kit Kit includes: DuraFlex SS Top Plate, DuraFlex SS Cap, DuraFlex SS Tee with Cap, and DuraFlex SW length. Kit flex lengths available in 15’, 20’, 25’, 30’, and 35’.
DuraFlex Pro | Stainless Steel Flexible Relining DuraFlex SW Stainless Steel Length Custom lengths also available for 3” - 8” diameters. 9”-12” diameters available in custom lengths only (Use Ventinox components). Minimum length of 10’ for custom orders. (e.g.: stock # would be QTY 90 of 9DFSW-XX for a 9” diameter, 90’ length). 3"-8" diameter flex can be ovalized up to the first 4'. Call Customer Service to add ovalizing to your order and for pricing.
Stainless Steel Flexible Relining | DuraFlex Pro DuraFlex Pro Basic Kit Kit includes: DuraFlex SS Top Plate, DuraFlex SS Cap, DuraFlex SS Connector, and DuraFlex Pro length. Kit flex lengths available in 15’, 20’, 25’, 30’, and 35’.
DuraFlex Pro | Stainless Steel Flexible Relining DuraFlex Pro Top Plate/Cap Kit Kit includes: Top Plate with welded Storm Collar, and Cap, plus DuraFlex SS Connector, and DuraFlex Pro length. Flex remains secured to the Storm Collar/Top Plate when removing the cap section for inspections and cleaning.
Stainless Steel Flexible Relining | DuraFlex 316 DuraFlex Pro Stainless Steel Length Custom lengths also available for 3” - 8” diameters. 9”-12” diameters available in custom lengths only (Use Ventinox components). Minimum length of 10’ for custom orders. (e.g.: stock # would be QTY 90 of 12DFPRO-XX for a 12” diameter, 90’ length). 3"-8" diameter flex can be ovalized up to the first 4'. Call Customer Service to add ovalizing to your order and for pricing.
DuraFlex 316 | Stainless Steel Flexible Relining DuraFlex 316 Basic Kit Kit includes: DuraFlex SS Top Plate, DuraFlex SS Cap, DuraFlex SS Connector, and DuraFlex 316 length. Kit flex lengths available in 15’, 20’, 25’, 30’, and 35’.
Stainless Steel Flexible Relining | DuraFlex 316 DuraFlex 316 Top Plate/Cap Kit Kit includes: Top Plate with welded Storm Collar, and Cap, plus DuraFlex SS Connector, and DuraFlex 316 length. Flex remains secured to the Storm Collar/Top Plate when removing the cap section for inspections and cleaning.
DuraFlex 304 | Stainless Steel Flexible Relining DuraFlex 304 Basic Kit Kit includes: DuraFlex SS Top Plate, DuraFlex SS Cap, DuraFlex SS Connector, and DuraFlex 304 length. Kit flex lengths available in 15’, 20’, 25’, 30’, and 35’.
Stainless Steel Flexible Relining | DuraFlex 304 DuraFlex 304 Stainless Steel Length Use with wood-pellet, non-condensing gas, wood-burning, and oil appliances. Custom lengths available for 3”-8” diameters. Minimum length of 10’ for custom orders. (e.g.: stock # would be QTY 80 of 3DF304-XX for a 3” diameter, 80’ length). 3"-8" diameter flex can be ovalized up to the first 4'. Call Customer Service to add ovalizing to your order and for pricing.
DuraFlex | Stainless Steel Flexible Relining Custom Flex & Custom Flex Kits Custom Kits are part of the program. Combine the DuraFlex length of your choice with any of our DuraFlex accessories to create your own custom kit. Customize your flex length by ovalizing the first 4'. Custom Flex Length Minimum order of 10 feet. 'X' in stock number indicates feet.
Stainless Steel Flexible Relining | DuraFlex DuraFlex Insert Adapter *new part* Use to connect the flex to an insert that has a flat surfaced outlet. SIZE ORDER # STOCK # 3” 3DFS-ADC 4DFS-ADC 5DFS-ADC 55DFS-ADC 6DFS-ADC 7DFS-ADC 8DFS-ADC 810008046 810008047 810008048 810008049 810008050 810008051 810008052 4” 5” 5 1⁄2” 6” 7” 8” DuraFlex SS Connector Use to connect DuraFlex SS length to an appliance, rigid length, or flex length. Drip-free connection.
DuraFlex | Stainless Steel Flexible Relining Spacer Use to maintain a 1” clearance with flex sections of DuraLiner and DuraFlex SS. 3¼” SIZE ORDER # STOCK # 5” 5DFS-S 6DFS-S 7DFS-S 8DFS-S 810002442 810002461 810002470 810002478 6” 7” 8” DuraFlex SS Top Plate Use to seal top of masonry chimney and support the flex. B SIZE Ø3"-Ø8"Top Plate (DFSS) 3” B Size ØA B 3" 4" 5" 5.
Stainless Steel Flexible Relining | DuraFlex DuraFlex SS Cap Use to terminate a relining system at the top of the masonry chimney. Supports flex with a fast connect band. Optional Spark Ø3"-Ø8" Liner Cap (DFSS) Arrestor available.
DuraFlex | Stainless Steel Flexible Relining Insulation TherMix Use to fill space between a liner and inside masonry chimney. Ready-mix formula cures into lightweight. Semi hard mass that insulates the liner and dissipates the intense heat created in a chimney fire. *Use Table 1 to estimate the number of TherMix bags or boxes needed to do the job. • Find the flue opening that comes closest to the one being lined, the left hand column. • Find the size of the liner to be installed across the top line.
Stainless Steel Flexible Relining | DuraFlex ProFoil Use as insulator for stainless steel liners in masonry chimneys. UL Listed insulation. Size is based on vent diameter. Required to insulate stainless steel liner to meet UL 1777 when proper clearances to chimney and framing are not available. 1” clearance from SS liner to interior wall of the masonry chimney and 1” clearance from the masonry to the house framing are required in order to meet UL 1777.
DuraFlex | Stainless Steel Flexible Relining What makes us different from the rest? DuraFlex: A range of flexible stainless steel relining to make the right decision for the right situation. Four DuraFlex liners and a complete selection of universal components.
