DuraVent 30' Flex Pipe Length DuraFlex 316 Stainless Steel
The DuraVent 30' DuraFlex 316 Stainless Steel Flex Pipe Length is a premium flexible chimney liner designed for dependable masonry chimney relining and efficient venting performance. Made from highly corrosion-resistant 316 stainless steel, this 30-foot chimney liner is ideal for wood-burning stoves, fireplace inserts, solid-fuel appliances, non-condensing gas systems, oil-fired appliances, and coal-burning applications. Its flexible design allows easier installation through chimneys with offsets while maintaining excellent flue gas flow, chimney draft, and heating efficiency. The DuraFlex 316 stainless steel liner is UL 1777 and ULC S635 listed for safe and code-compliant chimney installations.
Engineered for strength and durability, the DuraVent DuraFlex 316 chimney liner provides superior resistance against heat, moisture, and corrosive combustion byproducts. This 30-foot flexible stainless steel chimney liner helps protect masonry chimneys, improve appliance performance, and support long-lasting venting solutions for fireplaces, furnaces, boilers, and wood stove systems. Backed by DuraVent’s trusted engineering, it delivers reliable performance for professional chimney restoration and relining projects.
Features
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DuraVent 30' DuraFlex 316 Stainless Steel Flex Pipe: Premium 30-foot flexible chimney liner designed for reliable masonry chimney relining, fireplace inserts, and heating appliance venting applications.
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High-Quality 316 Stainless Steel Construction: Built with durable 316 stainless steel alloy to provide superior strength, long-lasting performance, and enhanced corrosion resistance.
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Compatible with Multiple Heating Appliances: Designed for use with solid fuel, non-condensing gas, and oil appliances, including wood stoves, fireplaces, furnaces, and boilers.
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Enhanced Corrosion Resistance for Coal & Sulfur Fuels: The 316 stainless steel alloy chimney liner provides additional protection when burning coal or sulfur-rich oils, helping extend liner durability.
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Flexible Chimney Liner Design: Easily adapts to chimney pathways and offsets, simplifying installation while maintaining efficient flue gas flow and chimney draft performance.
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Ideal for Chimney Relining Projects: Perfect for masonry chimney restoration, fireplace insert installations, and chimney liner replacement to improve safety and efficiency.
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Improves Venting Performance: Helps protect existing chimney structures from heat, moisture, and corrosive flue gases while supporting proper appliance operation.
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Professional-Grade DuraFlex Series: Part of the trusted DuraVent DuraFlex stainless steel liner system, engineered for dependable residential and commercial applications.
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UL Listed Chimney Liner Solution: Designed to meet industry standards for safe and reliable flexible stainless steel chimney venting systems.
Specifications
| Model |
Size |
Flex Length |
| 3DF316-30 |
3" I.D |
30 ft. |
| 4DF316-30 |
4" I.D |
30 ft. |
| 5DF316-30 |
5" I.D |
30 ft. |
| 55DF316-30 |
5.5" I.D |
30 ft. |
| 6DF316-30 |
6" I.D |
30 ft. |
| 7DF316-30 |
7" I.D |
30 ft. |
| 8DF316-30 |
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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