8 Metre Flexible Flue Liner Kit – 5" (125mm) – 316/316 Grade Stainless Steel

This complete flexible flue liner kit is designed for safe and efficient installation of a wood-burning or multi-fuel stove into a two-storey property or chimney with extra height. Built for durability, performance, and ease of fitting, the kit includes everything required to create a fully compliant flue system for stoves with a 125 mm (5") outlet.

Please note: This product is non-refundable as the liner is cut to size for your order.

What’s Included in the Kit

1. 8 Metres of 316/316 Grade Flexible Flue Liner

• Premium 316L stainless steel inner and outer skins

• Twin-skin construction for strength and corrosion resistance

• Flexible design for easier installation, even in older chimneys

• Suitable for seasoned wood, gas, and oil appliances

2. Terracotta-Coloured Rain Cap with Bird Guard

• Prevents rain ingress and stops bird nesting

• Traditional finish for a neat, discreet chimney-top look

• Fits directly onto the liner for a secure seal

3. Stainless Steel Stove/Flue Adaptor (125 mm)

• Connects your stove outlet to the flexible liner

• Made from stainless steel for strength and reliability

• Provides a tight and secure fit

4. Installation Data Plate

• Required for Building Regulations or HETAS certification

• Records essential information about the installation and appliance

Product Specification

• Liner Diameter: 125 mm (5")

• Length: 8 metres

• Grade: 316L stainless steel inner / 316L stainless steel outer

• Fuel Compatibility: Seasoned wood, oil, gas, and low-sulphur coal

• Certification: HETAS Approved / EN1856-2 Compliant

• Application: Designed for lining masonry chimneys in stove installations

Why Choose a 316/316 Liner Kit?

• Higher resistance to corrosive soot and acidic flue gases

• Easier to install in older or narrow chimney runs

• Long-lasting twin-skin stainless construction

• Compatible with most DEFRA-approved wood and multi-fuel stoves

Ideal For

• Two-storey and multi-storey properties with taller chimney stacks

• Installations requiring an 8 m liner run

• Wood-burning and multi-fuel stoves with a 125 mm outlet

• Projects needing Building Regulations or HETAS sign-off

Benefits for Homeowners

• All-in-one kit for convenience and compliance

• Professional-grade materials for durability and performance

• Long lifespan with corrosion-resistant 316/316 construction

• Provides safe, efficient flue gas evacuation for your stove

📞 Need help configuring your flue system?
Our team can provide advice on installation, compatibility, and HETAS sign-off requirements.