DuraVent 25' Flex Pipe Length DuraFlex 316 Stainless Steel Top Plate/Cap Kit
The DuraVent 25' Flex Pipe Length DuraFlex 316 Stainless Steel Top Plate/Cap Kit is a premium chimney liner kit engineered to provide reliable performance for masonry chimney relining and venting upgrades. Featuring a 25-foot flexible 316 stainless steel chimney liner, this kit includes a durable top plate and chimney cap for a secure, weather-resistant finish. The highly corrosion-resistant 316 stainless steel construction makes it ideal for wood-burning stoves, fireplace inserts, non-condensing gas appliances, oil-fired systems, and coal-burning applications. Designed for chimneys with minimal offsets, the flexible liner ensures smooth installation while maintaining excellent flue gas flow and efficient chimney draft.
Built for long-lasting durability, the DuraFlex 316 Top Plate/Cap Kit helps protect your chimney from moisture, debris, and corrosive combustion byproducts while improving overall heating efficiency and safety. Its flexible design simplifies chimney liner replacement, making it an excellent choice for chimney restoration, fireplace upgrades, and venting system repairs. UL 1777 and ULC S635 listed, this 316 stainless steel chimney relining kit delivers code-compliant performance and dependable protection for residential and commercial chimney systems.
Features
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Complete 25' Chimney Liner Top Plate/Cap Kit: Includes a 25-foot DuraFlex 316 stainless steel chimney liner, top plate, and chimney cap for a secure, weather-resistant chimney relining solution.
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Premium 316 Stainless Steel Construction: Built from 316 stainless steel for exceptional corrosion resistance, making it ideal for wood-burning, coal, oil, and non-condensing gas appliance venting.
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Available in Multiple Sizes: Offered in 3-inch to 8-inch diameters to fit a wide range of chimney liner installations, fireplace inserts, and wood stove venting systems.
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Secure Flex-to-Top Plate Connection: The flex liner remains securely attached to the storm collar and top plate when the cap is removed, simplifying chimney inspections and routine cleaning.
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Easy Maintenance Design: Allows quick removal of the chimney cap for convenient access during annual maintenance without disturbing the liner connection.
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Weather-Resistant Chimney Protection: The stainless steel top plate and cap help prevent rain, debris, and animals from entering the chimney while extending system life.
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Improves Chimney Performance: Promotes efficient flue gas flow, stronger chimney draft, and enhanced heating appliance efficiency.
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Ideal for Chimney Relining Projects: Perfect for masonry chimney restoration, fireplace insert upgrades, and wood stove chimney liner replacement.
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UL Listed Chimney Liner System: Meets UL 1777 and ULC S635 standards for safe, reliable, and code-compliant chimney relining applications.
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Trusted DuraVent Venting Quality: Manufactured by DuraVent for professional-grade performance, durability, and long-term chimney venting reliability.
Specifications
| Model |
Size |
Flex Length |
| 4DF316-25VCK |
4" I.D |
25 ft. |
| 55DF316-25VCK |
5.5" I.D |
25 ft. |
| 6DF316-25VCK |
6" I.D |
25 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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