DuraVent

DuraVent 35' Flex Pipe DuraFlex Pro Stainless Steel Length

$1057.00
$1057.00
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DuraVent 35' Flex Pipe DuraFlex Pro Stainless Steel Length

The DuraVent 35' Flex Pipe DuraFlex Pro Stainless Steel Length is a high-performance flexible chimney liner designed for exceptional strength, flexibility, and dependable masonry chimney relining applications. Made from premium 316 stainless steel, DuraFlex Pro features 20% more stainless steel per foot compared to many standard liners, delivering superior durability and corrosion resistance. Its extreme flexibility allows for smooth, problem-free installation in chimneys with multiple offsets, making it an ideal choice for wood stoves, fireplace inserts, and solid-fuel 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, reliable venting performance.

Built for professional chimney restoration and venting upgrades, the DuraFlex Pro flexible liner supports efficient flue gas flow, chimney draft, and heating appliance performance. Its rugged stainless steel construction helps protect against heat, moisture, and corrosive combustion byproducts while extending chimney system life. This 35-foot chimney liner pipe is an excellent solution for residential and commercial chimney relining systems, providing long-lasting safety, improved efficiency, and trusted DuraVent quality for demanding venting projects.

Features

    • DuraVent DuraFlex Pro 35' Stainless Steel Chimney Liner: Premium 35-foot flexible chimney liner designed for professional masonry chimney relining, fireplace insert installations, and venting system upgrades.
    • High-Quality 316 Stainless Steel Construction: Built with durable 316 stainless steel alloy for exceptional strength, flexibility, and superior corrosion-resistant chimney liner performance.
    • Enhanced Corrosion Protection for Coal Applications: The 316 stainless steel alloy provides additional resistance against corrosion when burning coal or sulfur-containing oil fuels, improving long-term liner durability.
    • Ideal for Multiple Offset Chimneys: Engineered for maximum flexibility, making DuraFlex Pro the best choice for chimney installations with multiple offsets and complex routing requirements.
    • Compatible with Solid Fuel, Gas & Oil Appliances: Designed for use with solid fuel appliances, non-condensing gas appliances, and oil-fired heating systems.
    • Flexible Stainless Steel Chimney Pipe: Allows easier installation through existing chimney structures while supporting reliable chimney relining and restoration projects.
    • Improves Venting Efficiency & Draft: Helps maintain proper flue gas flow, chimney draft, and heating appliance performance for safer operation.
    • Professional Chimney Relining Solution: Ideal for wood stove chimney liners, fireplace insert liners, stainless steel vent replacement, and masonry chimney restoration.
    • Heat & Corrosion Resistant Design: Provides protection against high temperatures, moisture, creosote, and corrosive combustion byproducts.
    • UL Listed Chimney Liner System: Meets UL 1777 and ULC S635 standards for safe, durable, and code-compliant flexible chimney liner installations.

    Specifications

    Model Size Flex Length
    3DFPRO-35 3" I.D 35 ft.
    4DFPRO-35 4" I.D 35 ft.
    5DFPRO-35 5" I.D 35 ft.
    55DFPRO-35 5.5" I.D 35 ft.
    6DFPRO-35 6" I.D 35 ft.
    7DFPRO-35 7" I.D 35 ft.
    8DFPRO-35 8" I.D 35 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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