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High-Quality Top Fixings for Secure Fireplace Installation | MI-Flex Fixings

Looking for top fixings to secure your fireplace flue system? Explore MI-Flex Fixings 175MM (7 INCH) top fixings that offer exceptional quality and durability. With a focus on reliability, MI-Flex Fixings provides the necessary components - Top Insert Sleeve, Top Plate, and Top Clamp - for a sturdy and safe installation. Trust MI-Flex Fixings for sturdy support and longevity for your fireplace flue system.
Looking for top fixings to secure your fireplace flue system? Explore MI-Flex Fixings 175MM (7 INCH) top fixings that offer exceptional quality and durability. With a focus on reliability, MI-Flex Fixings provides the necessary components - Top Insert Sleeve, Top Plate, and Top Clamp - for a sturdy and safe installation. Trust MI-Flex Fixings for sturdy support and longevity for your fireplace flue system.


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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.

£10.99 £16.99
Showing 3 of 3 items
Top Clamp - Ø 180

Top Clamp - Ø 180

20-180-C
£10.99 (including VAT)
In stock
Top Plate - Ø 180

Top Plate - Ø 180

20-180-P
£11.99 (including VAT)
In stock
Top Insert Sleeve - Ø 180

Top Insert Sleeve - Ø 180

20-180-PS
£16.99 (including VAT)
In stock
Your Top Fixings Questions Answered

What is the diameter of the MI-Flex Fixings top plate? -

The MI-Flex Fixings top plate has a diameter of u00d8 180.

Are MI-Flex Fixings top fixings suitable for all types of fireplace flue systems? +

How do I install MI-Flex Fixings top fixings? +

Are MI-Flex Fixings top fixings durable? +

Can MI-Flex Fixings top fixings be used for DIY fireplace installations? +

Do MI-Flex Fixings top fixings come with a warranty? +

Are MI-Flex Fixings top fixings weather-resistant? +

MI-Flex top fixings are designed to provide reliable support for your fireplace flue system. The 175MM (7 INCH) size ensures compatibility with various flue systems, offering versatility in installation. Our top fixings consist of high-quality materials and precise engineering to guarantee long-lasting performance. Whether you are a professional installer or a homeowner looking to upgrade your fireplace, MI-Flex Fixings is the ideal choice for secure installations. Trust in our expertise and quality craftsmanship for a robust and durable fireplace flue system.
Why Buy Top Fixings Products
MI-Flex Fixings top fixings are essential components for securing your fireplace flue in place. By using our Top Insert Sleeve, Top Plate, and Top Clamp, you can ensure a stable and secure installation for your flue system. These top fixings are suitable for various fireplace designs and sizes, offering versatility and reliability. Whether you are installing a new fireplace or upgrading an existing one, MI-Flex Fixings top fixings provide the necessary support to ensure your fireplace operates efficiently and safely.

Trusted By Trade Professionals

Our Top 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 Top 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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