5 Inch (125mm) Dura Flue EXTRA Flex 316 15yrs Warranty

Dura Flue Extra Flex 316 – 5” Flexible Chimney Liner

Dura Flue Extra Flex 316 is a high-quality, double-skin multi-fuel flexible chimney liner. Manufactured from corrosion-resistant grade 316L stainless steel, Extra Flex is designed for use with multi-fuel, gas, and oil-fired appliances. It offers enhanced flexibility and reduced weight compared to standard Dura Flue, making it easier to handle and install.

Key Features

• Lighter and more flexible than standard Dura Flue
• Available in 5” (125mm) diameter
• Corrosion-resistant 316L stainless steel construction
• Liner thickness: 0.1mm
• Maximum flue gas temperature: 600°C
• CE marked to EN 1856-2 standards
• Supplied with a 15-year warranty

Certifications

• EN 1856-2 T200 P1 W V2 L50010 O – Suitable for gas and oil applications
• EN 1856-2 T600 N1 W V2 L50010 G – Suitable for solid fuel and multi-fuel applications

Extra Flex is not multi-directional and must be installed the correct please follow the instructions included with your liner