DuraVent 20' Flex Pipe Length DuraFlex Pro Stainless Steel Basic Kit

The DuraVent 20' Flex Pipe Length DuraFlex Pro Stainless Steel Basic Kit is a premium flexible chimney liner system engineered for superior strength, flexibility, and dependable masonry chimney relining. Featuring durable 316 stainless steel construction, DuraFlex Pro provides 20% more stainless steel per foot compared to many standard liners, delivering enhanced durability and corrosion resistance. Its extreme flexibility allows for smooth, problem-free installation through chimneys with multiple offsets, making it ideal for wood-burning stoves, fireplace inserts, and solid-fuel appliances. Available in 3-inch through 12-inch diameters, this stainless steel chimney liner system is listed to UL 1777 and ULC S635 standards for reliable performance.

Designed for professional chimney restoration and venting upgrades, the DuraFlex Pro Basic Kit helps improve chimney draft, flue gas flow, and appliance efficiency while protecting against heat, moisture, and corrosive combustion byproducts. This 20-foot flexible stainless steel chimney liner kit provides a safe, durable, and code-compliant solution for residential and commercial chimney relining applications, backed by trusted DuraVent quality and long-lasting performance.

Features

• DuraVent DuraFlex Pro 20' Stainless Steel Chimney Liner Kit: Premium 20-foot flexible chimney liner system designed for reliable masonry chimney relining, fireplace insert installations, and venting upgrades.
• High-Performance 316 Stainless Steel Construction: Built with durable 316 stainless steel for superior strength, flexibility, and long-lasting corrosion-resistant chimney liner performance.
• Available in Multiple Diameters: Offered in 3-inch to 8-inch diameters to provide a versatile solution for various wood stove, fireplace insert, and solid-fuel appliance venting applications.
• Flexible Length Options: Available in 15’, 20’, 25’, 30’, and 35’ flex pipe lengths to accommodate different chimney heights and installation requirements.
• Easy Chimney Relining Installation: Flexible design allows smooth routing through existing chimney structures for efficient chimney liner replacement and restoration projects.
• Ideal for Offset Chimney Systems: DuraFlex Pro flexibility supports installations requiring bends and multiple offsets while maintaining reliable venting performance.
• Improves Chimney Draft & Efficiency: Helps maintain proper flue gas flow, ventilation performance, and heating appliance efficiency.
• Professional Chimney Liner Solution: Perfect for masonry chimney relining, wood-burning fireplace inserts, wood stove liners, and stainless steel vent pipe installations.
• UL Listed Stainless Steel Liner: Meets UL 1777 and ULC S635 standards for safe and durable flexible chimney liner systems.
• Long-Lasting Chimney Protection: Helps protect chimney interiors from heat, moisture, creosote buildup, and corrosive combustion gases.

Specifications

Downloads

• Product Catalog
• Instruction Manual