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Insulation for Fireplaces & Flues in the UK | MI-Flex 316L Mi-FLEX 200MM (8 INCH)

When it comes to maintaining the efficiency and safety of your fireplace or flues in the UK, insulation plays a crucial role. MI-Flex 316L Mi-FLEX 200MM (8 INCH) insulation is specially designed to enhance the performance of your fireplace system. With its top-notch quality and durability, this insulation ensures proper heat retention and prevents heat loss, resulting in cost savings and improved heating efficiency.

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StovesPremium Stoves
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MI-FlexFlexible Liner
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Installation PartsInstallation Parts
After Care PartsAfter Care Parts

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.

£81.49

90-CW175200

CHIMWRAP Liner Wrap 1000mm - Ø 175/200

CHIMWRAP Liner Wrap 1000mm - Ø 175/200

£26.99

90-LECA

Leca 50L Bag

Leca 50L Bag

£54.49

90-RPS-200

Rockwool Tube - 1000mm long  200mm

Rockwool Tube - 1000mm long 200mm

£26.49

90-RPS-T

Aluminium Tape

Aluminium Tape

£33.99

90-VERM

Vermiculite (100L Bag)

Vermiculite (100L Bag)

Your Insulation Questions Answered

How does MI-Flex insulation benefit my fireplace? -

MI-Flex insulation helps in retaining heat within the fireplace system, promoting efficient burning of fuel and reducing heat loss through the flue.

Is MI-Flex insulation suitable for all types of flues? +

Can MI-Flex insulation improve the energy efficiency of my fireplace? +

Is MI-Flex insulation resistant to high temperatures? +

How do I install MI-Flex insulation in my fireplace? +

Does MI-Flex insulation require regular maintenance? +

Can MI-Flex insulation help reduce chimney fires? +

Insulating your fireplace and flues with MI-Flex 316L Mi-FLEX 200MM (8 INCH) is a smart choice for UK homeowners looking to enhance the functionality and longevity of their heating systems. This insulation product is easy to install and offers superior thermal protection, keeping your home warm and cozy during the colder months. Additionally, MI-Flex insulation helps prevent the buildup of creosote, reducing the risk of chimney fires and prolonging the lifespan of your fireplace.
Why Buy Insulation Products
MI-Flex 316L Mi-FLEX 200MM (8 INCH) insulation is ideal for lining flue systems, chimney stacks, and fire surrounds in both traditional and modern fireplace setups. By providing a barrier against heat transfer and enhancing draft efficiency, this insulation ensures optimal performance and safety. Whether you have a wood-burning stove, gas fireplace, or open fire, incorporating MI-Flex insulation can significantly improve the overall function of your heating system.

Trusted By Trade Professionals

Our Insulation 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 Insulation 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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