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316L Mi-FLEX 155mm x 1m CUT LENGTH (35Z-150-1)
Introducing the National Flues 316L Mi-FLEX 155mm x 1m CUT LENGTH flue liner – a high-quality, flexible solution crafted from premium 316L stainless steel. Designed specifically for relining masonry chimneys, this innovative flue liner offers superior durability, versatile fuel compatibility, and outstanding safety credentials, including HETAS approval and CE certification. Ideal for homeowners and trade professionals alike, this product stands out as a leading choice in chimney relining, retrofit projects, and efficient fuel management.
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£16.49
Give us a call if you find it cheaper and we'll try to price match.
At a Glance
316L grade stainless steel inner and outer linings at 0.105mm thickness
Innovative Omega-Lock seamless construction for a robust, leak-proof fit
HETAS approved and CE certified for assured safety and compliance
Lifetime warranty when installed with Screw-FIX accessories, ensuring peace of mind
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We Won't Be Beaten On Price
At National Flues, we continuously monitor competitor prices. This ensures that we consistently offer you the best deals on all our products. Here’s how we keep your costs low:
Daily Price Matching: Our team adjusts prices to ensure we stay competitive.
Bulk Purchasing Power: We sell a lot, so we can negotiate better rates with suppliers, passing the savings directly to you.
Operational Efficiency: We have streamlined processes to reduce overhead.
Price Match Guarantee: If you find the same product cheaper within 48 hours, we’ll match it and refund the difference.
Free Delivery Over £100: Orders over £100 are free delivery (call us if delivery is required outside the mainland UK).
“I saved 20% on my purchase compared to other retailers. Exceptional service!” – Jane D.
The 316L Mi-FLEX 155mm x 1m Flexible Flue Liner is a top-tier solution for relining masonry chimneys. Designed with a smooth inner lining and a convoluted outer skin, both made from 316L grade stainless steel at 0.105mm thickness, this flue liner offers exceptional performance and longevity. Its innovative Omega-Lock seal, constructed from a single strip of steel bent at 180 degrees, ensures robust durability and a leak-proof fit.
Our flexible flue liner is suitable for various fuels including gas, oil, coal, coke, cured dry logs, and peat. It’s HETAS approved and CE certified, emphasizing its quality and safety credentials. When installed with Screw-FIX accessories, it comes with a lifetime manufacturer’s warranty, offering additional peace of mind.
Installation of the 316L Mi-FLEX flue liner should always be performed from the top down, ensuring that the arrows on the liner are pointing upwards to promote optimal gas flow. For best performance, it is imperative that the liner is installed by a qualified professional who is familiar with the specific requirements of masonry chimney relining. Always use Screw-FIX accessories when installing to secure the flue liner properly, which also qualifies the installation for the lifetime warranty. Be sure to follow all manufacturer guidelines and local building regulations. Regular maintenance, such as annual chimney sweeping, is recommended to ensure safety and efficiency, especially if the appliance burns solid fuels.
This flue liner is suitable for use with gas, oil, coal, coke, cured dry logs, and cured dry peat.
Yes, this flue liner is HETAS approved and CE certified, ensuring it meets stringent safety standards.
Both the inner and outer linings are made from 316L grade stainless steel with a thickness of 0.105mm.
It is constructed from a single strip of steel bent at 180 degrees, with the seam folded in four planes to create an Omega-Lock seal.
For solid fuel appliances, the chimney should be swept and maintained at least once a year, or more frequently if necessary.
The liner should always be fitted from the top with the arrows pointing upwards to ensure proper gas flow.
Yes, when installed with Screw-FIX accessories, the 316L Mi-FLEX Flue Liner comes with a lifetime manufacturer’s warranty for the appliance it is connected to.
Delivery Information +
We work relentlessly to ensure you get your order fast.
Estimated delivery for this product is Tuesday, April 29th.
If you need faster stove or fireplace delivery please give us a call.
We can often reduce longer lead times if we pay the carrier £25 for express delivery.
Visit our Shipping Information page for more information.
Warranty & Returns +
All our products come with warranties. Mi-Flex offers a lifetime guarantee.
Returns for damaged items are covered by insurance; non-damaged returns incur return delivery costs.
Price Match Guarantee +
We will match any price like for like on a retail basis. Give us a call if you find it cheaper and want to buy from us.
Read our review in our 316L Mi-FLEX 155mm x 1m CUT LENGTH buyers guide
Comprehensive Buyer’s Guide for the 316L Mi-FLEX 155mm x 1m Flexible Flue Liner
When selecting a flue liner for your masonry chimney, understanding the full benefits, installation requirements, and unique attributes of the product is essential. The 316L Mi-FLEX 155mm x 1m CUT LENGTH is a standout choice available through National Flues, designed to provide exceptional reliability and long-term performance. This guide will walk you through all you need to know about this versatile product to help you make an informed decision.
Overview of the 316L Mi-FLEX Flue Liner
The 316L Mi-FLEX flue liner is engineered using high-grade 316L stainless steel, recognised for its superior corrosion resistance and strength. The innovative design features a dual-layered construction with both the inner and outer linings at 0.105mm thickness. Additionally, the unique Omega-Lock seam, created by bending a single strip at 180° and folding it across four planes, assures a secure, leak-proof assembly. This flue liner is not only robust but also remarkably flexible, making it the perfect solution for efficiently relining a variety of chimney setups.
Key Features and Their Benefits
Durability and Longevity
- The use of 316L stainless steel means that your flue liner is less susceptible to the corrosive effects of heat and combustion by-products, ensuring a prolonged service life.
- The Omega-Lock design offers a durable, seamless finish that prevents leaks and reduces maintenance requirements.
Versatility in Fuel Use
- Compatible with multiple fuel types such as wood, oil, gas, coal, coke, cured dry logs, and peat, this product ensures that no matter what heating system you employ, it has you covered.
- This versatility makes it highly suitable for retrofit projects and varied operational environments.
Safety and Compliance
- With HETAS approval and CE certification, the liner meets strict safety standards, giving you peace of mind that your installation is compliant with industry regulations.
- The product’s durable construction and stringent testing protocols assure you of its performance even under demanding conditions.
Ease of Installation
- Its flexible design and lightweight characteristics enable easier handling and quicker installation, especially when used in conjunction with Screw-FIX accessories.
- A straightforward installation process results in both time and cost savings, while ensuring that the installation adheres to safety standards.
Installation and Maintenance Tips
For optimal performance, it is recommended that the liner is installed from the top with the directional arrows pointing upwards. Always ensure that only qualified technicians undertake the installation to maintain product warranties and local building code compliance. Regular maintenance such as annual chimney inspections and cleaning can help to identify any potential issues early and extend the lifespan of the liner. Additionally, always use the correct accessories, specifically Screw-FIX components, to secure the liner firmly in place.
Frequently Asked Questions
What fuels is the flue liner compatible with?
The device is designed to work with a broad spectrum of fuels including wood, oil, gas, coal, coke, cured dry logs, and peat, making it an adaptable choice for various heating systems.
Is the product safe and approved for use?
Yes, the flue liner is HETAS approved and CE certified, ensuring that it meets rigorous safety standards and is fit for use in both domestic and commercial installations.
What is the warranty coverage?
When installed in accordance with manufacturer guidelines using Screw-FIX accessories, this product comes with a lifetime warranty to safeguard your investment.
How to Ensure a Successful Purchase
Before making your purchase, it is recommended to review the specifications and installation guidelines to ensure the product meets all of your needs. Consider the type of fuel your heating system uses, the dimensions of your chimney, and whether additional accessories are required for installation. Do not hesitate to consult with a professional if any aspects of the installation are unclear.
Furthermore, we understand that investing in a new flue liner is a significant decision, and our comprehensive guide is designed to address common objections and concerns. Whether you are upgrading an existing system or undertaking a new installation, the 316L Mi-FLEX offers exceptional value through its combination of durability, safety, and ease of use.
Final Thoughts
Investing in the right flue liner is crucial for the long-term safety and efficiency of your home’s heating system. The 316L Mi-FLEX 155mm x 1m CUT LENGTH from National Flues is engineered to deliver top-tier performance, backed by a lifetime warranty when paired with Screw-FIX accessories. Its robust construction, versatile fuel compatibility, and ease of installation make it an ideal choice for both domestic and commercial applications.
Make the smart choice today – the reliability and quality of this flexible flue liner are unmatched in the market. With proper installation and routine maintenance, you will benefit from a system that not only performs effectively but also adds value to your property. The investment in a high-quality flue liner is an investment in lasting peace of mind, knowing that your heating system is safe, efficient, and backed by industry-leading specifications.
Buy now or call 01670 206 999.
Secure your 316L Mi-FLEX flue liner today for long-lasting reliability in every installation.
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