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Top-Quality Bottom Fixings for Secure Fireplace Installations | National Flues

When it comes to ensuring a safe and efficient fireplace setup, bottom fixings play a crucial role in securing your flue in place. At National Flues, we take pride in offering premium MI-Flex and 904L Mi-FLEX bottom fixings designed specifically for 175mm (7 inch) flue installations. Our bottom fixings are renowned for their durability, reliability, and ease of installation, making them a popular choice among professionals and DIY enthusiasts alike.

 

MI-FlexMI-Flex
Chimney FlueChimney Flue
Connecting PipesConnecting Pipes
Fans Flashings CowlsFans Flashings Cowls
Installation PartsInstallation Parts
After Care PartsAfter Care Parts
StovesStoves
FireplacesFireplaces
Increasing MI-FLEX Adaptor - Ø 150-Ø 175
SKU: 20-150-MR

Increasing MI-FLEX Adaptor - Ø 150-Ø 175

£28.99 incl VAT

Gather Hood Large (300x400) - Ø 180
SKU: 20-180-GHL

Gather Hood Large (300x400) - Ø 180

£135.99 incl VAT

Gather Hood Medium (300x300) - Ø 180
SKU: 20-180-GHM

Gather Hood Medium (300x300) - Ø 180

£126.49 incl VAT

Gather Hood Small (300x200) - Ø 180
SKU: 20-180-GHS

Gather Hood Small (300x200) - Ø 180

£116.99 incl VAT

MI-FLEX Adaptor - Ø 180
SKU: 20-180-MAE

MI-FLEX Adaptor - Ø 180

£30.99 incl VAT

MI-FLEX Adaptor 1mm - Ø 180
SKU: 20-180-MAE1

MI-FLEX Adaptor 1mm - Ø 180

£43.49 incl VAT

Increasing MI-FLEX Adaptor - Ø 180-Ø 200
SKU: 20-180-MR

Increasing MI-FLEX Adaptor - Ø 180-Ø 200

£33.99 incl VAT

Screw-FIX Long Tail Adaptor - Ø 175
SKU: 25-175-MAELT

Screw-FIX Long Tail Adaptor - Ø 175

£36.49 incl VAT

Screw-FIX Increaser - Ø 175-200mm
SKU: 25-175-MR

Screw-FIX Increaser - Ø 175-200mm

£37.99 incl VAT

Screw-FIX Increaser, 1mm - Ø 175-200mm
SKU: 25-175-MR1

Screw-FIX Increaser, 1mm - Ø 175-200mm

£66.99 incl VAT

Screw-FIX Long Tail Increaser - Ø 175-200mm
SKU: 25-175-MRLT

Screw-FIX Long Tail Increaser - Ø 175-200mm

£59.49 incl VAT

Screw-FIX Adaptor to SW, 1mm - Ø 175
SKU: 25-175-MAE1

Screw-FIX Adaptor to SW, 1mm - Ø 175

OUT OF STOCK

£46.49 incl VAT

Screw-FIX Top Hat Adaptor - Ø 175
SKU: 25-175-THA

Screw-FIX Top Hat Adaptor - Ø 175

OUT OF STOCK

£46.99 incl VAT

Your Questions Answered

How do I know which bottom fixings are suitable for my flue system? -

It is important to choose bottom fixings that are compatible with the diameter and type of flue you are using. At National Flues, our expert team can provide guidance on selecting the right bottom fixings for your specific requirements.

Are bottom fixings easy to install? +

Can bottom fixings be used for both indoor and outdoor fireplace installations? +

Are bottom fixings compatible with all types of flue liners? +

Do bottom fixings require regular maintenance? +

Are bottom fixings a legal requirement for fireplace installations? +

Can bottom fixings be used with flexible flue liners? +

What sets National Flues' bottom fixings apart from other brands? +

Our range of bottom fixings caters to a variety of flue system requirements, providing you with the flexibility to create a customized setup that meets your specific needs. Whether you are installing a new fireplace or upgrading an existing system, our bottom fixings are the perfect solution for ensuring a secure and robust installation. Manufactured to the highest standards, our MI-Flex and 904L Mi-FLEX bottom fixings are built to last, offering long-term performance and peace of mind.
Why Buy These Products
Bottom fixings are essential components in any fireplace installation, serving as the anchor point for the entire flue system. By securely attaching the flue to the base of the chimney or fireplace, bottom fixings provide stability and support, preventing movement or dislodgment over time. Additionally, bottom fixings help maintain the proper alignment of the flue, ensuring optimal airflow and efficiency. Whether you are installing a wood-burning stove, gas fireplace, or other heating appliance, reliable bottom fixings are key to a safe and functional setup.

Trusted By Trade Professionals

Our 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. Our team is here to assist you every step of the way, ensuring your needs are met with expertise and care.