DuraVent 30' Flex Pipe Length DuraFlex Pro Stainless Steel Basic Kit
The DuraVent 30' Flex Pipe Length DuraFlex Pro Stainless Steel Basic Kit is a high-performance flexible chimney liner system built for superior strength, flexibility, and dependable masonry chimney relining applications. Constructed from premium 316 stainless steel, DuraFlex Pro features 20% more stainless steel per foot than many standard liners, providing enhanced durability and corrosion resistance. Its extreme flexibility makes installation easier in chimneys with multiple offsets, making it an ideal choice for wood stoves, fireplace inserts, and solid-fuel heating appliances. Available in 3-inch through 12-inch diameters, this stainless steel chimney liner is listed to UL 1777 and ULC S635 standards for safe and reliable venting performance.
Designed for professional chimney restoration and venting upgrades, the DuraFlex Pro Basic Kit supports efficient flue gas flow, chimney draft, and appliance performance. Its durable stainless steel construction helps protect against heat, moisture, creosote, and corrosive combustion byproducts. This 30-foot flexible chimney liner kit delivers a long-lasting, code-compliant solution for residential and commercial chimney relining projects, providing trusted DuraVent quality, improved efficiency, and reliable vent system protection.
Features
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DuraVent DuraFlex Pro 30' Stainless Steel Chimney Liner Kit: Premium 30-foot flexible chimney liner system designed for reliable masonry chimney relining, fireplace insert installations, and venting system upgrades.
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Durable 316 Stainless Steel Construction: Manufactured with high-quality 316 stainless steel alloy for superior strength, flexibility, and long-lasting corrosion-resistant chimney liner performance.
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Available in Multiple Diameters: Offered in 3-inch to 8-inch diameters to provide a versatile fit for wood stoves, fireplace inserts, and solid-fuel appliance venting applications.
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Flexible Length Options: Available in 15’, 20’, 25’, 30’, and 35’ flex pipe lengths to accommodate various chimney heights and installation requirements.
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Ideal for Complex Chimney Installations: DuraFlex Pro’s extreme flexibility makes it an excellent choice for chimneys with multiple offsets and challenging layouts.
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Professional Chimney Relining Solution: Designed for masonry chimney restoration, stainless steel chimney liner replacement, and fireplace venting upgrades.
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Improves Venting Efficiency: Helps maintain proper flue gas flow, chimney draft, and heating appliance performance for safer operation.
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Compatible with Multiple Fuel Applications: Suitable for approved solid fuel, wood-burning, non-condensing gas, and oil appliance venting systems.
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Easy Installation Flexible Pipe Design: Allows smoother installation through existing chimney structures while reducing installation challenges.
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UL Listed Stainless Steel Flex Liner: Meets UL 1777 and ULC S635 standards for dependable, code-compliant chimney liner installations.
Specifications
| Model |
Size |
Flex Length |
| 3DFPRO-30K |
3" I.D |
30 ft. |
| 4DFPRO-30K |
4" I.D |
30 ft. |
| 5DFPRO-30K |
5" I.D |
30 ft. |
| 55DFPRO-30K |
5.5" I.D |
30 ft. |
| 6DFPRO-30K |
6" I.D |
30 ft. |
| 7DFPRO-30K |
7" I.D |
30 ft. |
| 8DFPRO-30K |
8" I.D |
30 ft. |
| Materials |
316 Stainless Steel |
| Construction |
Single-Wall |
| Clearance |
0” clearance for gas, oil, and pellet applications. |
| Clearance |
1” clearance to masonry for wood-burning |
| Listings |
Listed to UL 1777 and ULC S635 (MH45609). |
| Warranty |
Limited-lifetime warranty |
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