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Premium Quality 100mm (4 Inch) Flue Liner and Accessories - National Flues UK

Welcome to our 100mm (4 Inch) category where we stock an extensive range of flue liners and accessories crafted to fit most heating appliances. The 100mm (4 Inch) MI-Flex 904L is one of our top products, with its strong, durable design, compliance with British Standards, and being CE approved. Ideal for both domestic and commercial use, these flues meet the highest safety standards. With a sturdy, easy-to-fit design these can be the perfect for compatibility with solid fuel, wood, gas, and oil appliances.

 

MI-FlexMI-Flex
Chimney FlueChimney Flue
Connecting PipesConnecting Pipes
Fans Flashings CowlsFans Flashings Cowls
Installation PartsInstallation Parts
After Care PartsAfter Care Parts
StovesStoves
FireplacesFireplaces
Flue Liner
Flue Liner
Bottom Fixings
Bottom Fixings
Terminals
Terminals
Top Fixings
Top Fixings
Accessories
Accessories
Insulation
Insulation
Reg Plates
Reg Plates

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Your Questions Answered

Why choose 904L stainless steel for flue liners? -

904L grade stainless steel provides excellent corrosion resistance and long-term reliability. It's designed to withstand extreme temperatures and conditions, makken it a superb choice for flue liners.

What's the difference between bottom fixings and top fixings? +

Can I fit these flues meself? +

What sort of requisite should be used with the 100mm flue liners? +

How long does a 904L Mi-FLEX flue liner last? +

Which flue liner product should I choose, the 1m cut length or the 44m coil? +

Are the 100mm accessories equally applicable to all types of flue environments? +

In the world of fireplace flues, the 10MM (4 INCH) category stands out for its versatility and compatibility. With products like MI-Flex and fixings designed specifically for this size, homeowners can achieve seamless installations that meet safety regulations. Understanding the importance of top and bottom fixings is key to ensuring a secure chimney structure. Moreover, the Increasing MI-FLEX Adaptor simplifies the process of transitioning from an 80MM (3 INCH) flue to a 100MM one, offering flexibility and convenience for installers.
Why Buy These Products
100MM (4 INCH) fireplace flues are commonly utilized in residential settings where space may be limited. Due to their compact size, these flues are ideal for small to medium-sized fireplaces and wood-burning stoves. The MI-Flex range and fixings cater specifically to this category, providing homeowners and installers with the necessary components for a successful chimney installation. Whether you're upgrading an existing system or building a new fireplace, 100MM (4 INCH) flues offer reliability and performance.

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