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Top Insulation Solutions for Your Fireplace and Flues | Quality Insulation Products

When it comes to fireplace and flue insulation, quality is key. Our MI-Flex, 904L Mi-FLEX, 300MM (12 INCH) insulation products are designed to provide superior heat retention, ensuring your fireplace operates efficiently while maintaining safety standards. With easy installation and durable materials, our insulation solutions are a must-have for any fireplace owner.

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StovesPremium Stoves
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MI-FlexFlexible Liner
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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.

£26.99

90-LECA

Leca 50L Bag

Leca 50L Bag

£33.99

90-VERM

Vermiculite (100L Bag)

Vermiculite (100L Bag)

Your Insulation Questions Answered

How does insulation benefit my fireplace? -

Insulation helps retain heat, improving the efficiency of your fireplace and reducing energy costs.

Is installation of MI-Flex insulation complicated? +

Are MI-Flex products suitable for all flue types? +

Can insulation help prevent chimney fires? +

Are MI-Flex insulation products eco-friendly? +

Do insulated flues require less maintenance? +

Will insulation improve the longevity of my fireplace? +

Investing in proper insulation for your fireplace and flues is crucial for optimal performance. Our MI-Flex, 904L Mi-FLEX, 300MM (12 INCH) insulation products are crafted with precision to offer exceptional heat retention and protection. Whether you're upgrading an existing fireplace or installing a new one, our insulation solutions guarantee top-notch performance. Say goodbye to heat loss and hello to a cozy atmosphere with our premium insulation options.
Why Buy Insulation Products
Our MI-Flex, 904L Mi-FLEX, 300MM (12 INCH) insulation products are versatile and ideal for various applications. From traditional fireplace setups to modern flue systems, our insulation solutions cater to all needs. Whether you're a homeowner looking to enhance your heating efficiency or a professional in the fireplace industry, our products are the go-to choice for superior insulation performance.

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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