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Top-Quality Bottom Fixings for Securely Installing Flues - Buy Online Now!

When it comes to securely installing flues, having reliable bottom fixings is essential. Our range of MI-Flex and 904L Mi-FLEX 100MM (4 INCH) bottom fixings ensures a solid and durable installation for your flue system. Designed for ease of use and longevity, these fixings are the go-to choice for professionals in the fireplace and flue industry.

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The best selling flue liner in the UK. Suitable for gas, oil, and approved solid fuels. Call our advisers on 01670 206 999 if you need any help choosing.

£22.99

20-100-BL-MAE

Bolted MI-FLEX Adaptor - Ø 100

Bolted MI-FLEX Adaptor - Ø 100

£19.99

20-100-MA

MI-FLEX Adaptor - Ø 100

MI-FLEX Adaptor - Ø 100

£13.99

25-100-MAE

Screw-FIX Adaptor to SW - Ø 100

Screw-FIX Adaptor to SW - Ø 100

£24.49

25-100-MAELT

Screw-FIX Long Tail Adaptor - Ø 100

Screw-FIX Long Tail Adaptor - Ø 100

£23.49

25-100-MR

Screw-FIX Increaser - Ø 100-125mm

Screw-FIX Increaser - Ø 100-125mm

Your Bottom Fixings Questions Answered

Are these fixings suitable for outdoor flue installations? -

Yes, our bottom fixings are designed to withstand outdoor conditions and provide a secure attachment for flues exposed to the elements.

Do these fixings come with installation instructions? +

Can these fixings be used for both metal and masonry chimneys? +

Are these fixings compatible with different flue sizes? +

Do these fixings require any special maintenance? +

Are these fixings suitable for high-temperature flue systems? +

What is the load-bearing capacity of these fixings? +

Can these fixings be painted to match the chimney or appliance? +

Our bottom fixings are meticulously crafted to provide a strong support system for your flue, ensuring it stays in place and functions efficiently. Made from high-quality materials like stainless steel, these fixings are resistant to corrosion and can withstand high temperatures. Whether you are installing a new flue system or replacing old fixings, our MI-Flex and 904L Mi-FLEX bottom fixings are the ideal choice for a secure and long-lasting installation.
Why Buy Bottom Fixings Products
Bottom fixings play a crucial role in the stability and safety of your flue system. By securely attaching the flue to the bottom of the chimney or appliance, these fixings prevent any movement or dislodgment, ensuring proper ventilation and optimal performance. Our MI-Flex and 904L Mi-FLEX 100MM (4 INCH) bottom fixings are suitable for a variety of flue installations, including residential fireplaces, commercial boilers, and industrial heating systems. Trust in our top-quality fixings for a reliable and durable flue setup.

Trusted By Trade Professionals

Our Bottom Fixings products and services are trusted by hundreds of professionals nationwide. We're committed to providing quality and reliability that meets the high standards of our customers.

Dedicated Support

Experience our unparalleled customer service and support when you buy Bottom Fixings from National Flues. Our team is here to assist you every step of the way, ensuring your needs are met with expertise and care.

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