DuraVent 25' Flex Pipe Length DuraFlex Pro Stainless Steel Basic Kit

The DuraVent 25' Flex Pipe Length DuraFlex Pro Stainless Steel Basic Kit is a premium flexible chimney liner system designed for dependable masonry chimney relining, fireplace insert venting, and wood stove installations. Manufactured with highly corrosion-resistant 316 stainless steel, DuraFlex Pro features 20% more stainless steel per foot compared to many standard liners, providing enhanced strength, durability, and flexibility. Its advanced flexible design allows easy installation in chimney systems with multiple offsets while maintaining reliable flue gas flow and chimney draft performance. Available in 3-inch through 12-inch diameters, this stainless steel chimney liner is listed to UL 1777 and ULC S635 standards.

Engineered for professional chimney restoration and venting upgrades, the DuraFlex Pro Basic Kit delivers long-lasting performance for solid fuel, wood-burning, and approved heating appliance applications. The rugged stainless steel construction helps protect against heat, moisture, creosote, and corrosive combustion byproducts. This 25-foot flexible chimney liner kit provides a safe, efficient, and code-compliant solution for residential and commercial chimney relining projects, backed by trusted DuraVent quality and superior venting reliability.

Features

• DuraVent DuraFlex Pro 25' Stainless Steel Chimney Liner Kit: Premium 25-foot flexible chimney liner system designed for professional masonry chimney relining, fireplace insert installations, and venting upgrades.
• Durable 316 Stainless Steel Construction: Manufactured with high-quality 316 stainless steel for exceptional strength, flexibility, and superior corrosion-resistant chimney liner performance.
• Available in Multiple Diameters: Offered in 3-inch to 8-inch diameters to fit a wide range of wood stove, fireplace insert, and solid-fuel appliance venting applications.
• Flexible Length Options: Available in 15’, 20’, 25’, 30’, and 35’ lengths to support different chimney heights and installation requirements.
• Ideal for Chimney Relining Projects: Designed for reliable masonry chimney restoration, stainless steel chimney liner replacement, and fireplace venting system upgrades.
• Extreme Flexibility for Offset Installations: DuraFlex Pro flexible design allows easier routing through chimneys with multiple offsets and challenging installation layouts.
• Improves Chimney Draft & Appliance Efficiency: Helps maintain proper flue gas flow, ventilation performance, and heating system operation.
• Compatible with Approved Heating Appliances: Suitable for solid fuel, wood-burning, non-condensing gas, and oil appliance venting systems.
• Professional-Grade Chimney Vent Solution: Provides a durable stainless steel flex pipe liner solution for residential and commercial chimney applications.
• UL Listed Chimney Liner System: Meets UL 1777 and ULC S635 standards for safe, reliable, and code-compliant flexible chimney liner installations.

Specifications

Downloads

• Product Catalog
• Instruction Manual