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316L Mi-FLEX 80mm x 1m CUT LENGTH

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Our 316L Mi-FLEX 80mm x 1m Flexible Flue Liner is a top-tier solution made from high-grade 316L stainless steel. It’s designed to offer reliability and versatility, suitable for multiple fuels and easy to install with a lifetime manufacturer's warranty when used with Screw-FIX accessories.

£14.99 incl VAT

  •   Description  
  •   Product Details  

The 316L Mi-FLEX 80mm x 1m Flexible Flue Liner is designed meticulously for relining masonry chimneys. Made from 316L grade stainless steel, both the inner and outer skins are 0.105mm thick, ensuring robust construction and longevity. The flue liner is compatible with various fuel types including gas, oil, coal, coke, cured dry logs, and peat. Featuring a smooth inner liner and a convoluted outer skin, the Mi-FLEX employs an innovative Omega-Lock seal constructed from a single strip of steel for superior performance and durability. Approved and listed by HETAS as well as CE certified, this flue liner ensures safety and compliance with industry standards. Installation is straightforward but ensure your chimney is swept and the pot is in good condition. Regular maintenance is essential, especially for chimneys serving solid fuel appliances.

  • SKU: 35Z-80-1
  • Item: 316L Mi-FLEX 80mm x 1m CUT LENGTH 80mm (3 inch)
  • Designation:: BS EN 1856-2 T200 P2 W Vm L50011 O
  • Inner Material:: 316L - 0.105mm thick
  • Outer Material:: 316L - 0.105mm thick
  • Fuels:: Wood, Oil, Gas, Low sulpher coal
  • Approvals:: HETAS
  • Manufacturer:: Mi-Flues Ltd
  • Manufacture:: Single Strip
  • Seam:: Omega-Lock
  • Warranty:: Lifetime

What is it for?

This flexible flue liner is designed for relining masonry chimneys to safely vent appliances burning multiple types of fuel.

Brand Summary

National Flues is a trusted supplier of fireplaces and flues across the UK, committed to providing high-quality products, competitive pricing, and reliable delivery for both retail and trade customers nationwide.

National Flues Verdict

We at National Flues love the 316L Mi-FLEX 80mm Flexible Flue Liner for its high-quality construction and versatility. Perfect for both retail and trade customers, we ensure reliable delivery across the UK.

Our Rating
9.8/10

FAQs

It is made from 316L grade stainless steel. Both the inner and outer skins are 0.105mm thick.

Yes, the 316L Mi-FLEX 80mm flue liner is suitable for burning gas, oil, coal, coke, cured dry logs, and peat.

Yes, the 316L Mi-FLEX 80mm flue liner is HETAS approved and also carries CE certification.

The flue liner should always be fitted from the top of the chimney. Ensure the arrows on the liner point upwards and use a Nose Cone (sold separately) to pull the liner through.

Chimneys serving solid fuel appliances should be swept and maintained at least once a year or more frequently as necessary.

Yes, but make sure your chimney pot is in good condition. If not using a suspended cowl, remove the pot from the stack.

The Omega-Lock seal is formed from a single strip of steel bent at 180 degrees, then folded in four planes to ensure a secure and robust construction.