904L Mi-FLEX 80mm x 1m CUT LENGTH (36Z-80-1)

At a Glance
- Premium 904L stainless steel construction with double-skinned design
Smooth inner and convoluted outer layer, each 0.105mm thick
Quattrolock seam for enhanced durability and secure bonding
Suitable for multiple fuels including gas, oil, coal, coke, cured dry logs, cured dry peat, and approved smokeless
HETAS approved and CE certified for industry-leading safety standards
Lifetime manufacturer warranty when installed with Screw-Fix accessories
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, July 1st. This is based on current delivery times for this product. Delivery for products not in our warehouses can be delayed because of third party carriers. If you need a stove, or other bulky product, to be delivered by a specific time in the next 7 days then please give us a call. We can sometimes 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 and you can read in our blog about they types and terms and conditions for warranties. Mi-Flex flue liner, for example, comes with a lifetime guarantee. Give us a call if you want to know about a specific warranty. 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.
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.
Have Questions?
Phone: 01670 206999
Email: [email protected]
- Info
- Specs
- Install
- FAQs
The 904L Mi-FLEX 80mm x 1m CUT LENGTH is an industry-leading double-skinned flexible flue liner, engineered to reline masonry chimneys. Crafted from premium 904L grade stainless steel, it features both a smooth inner and convoluted outer skin, each with a thickness of 0.105mm. This advanced construction includes a quattrolock seam, ensuring the highest level of strength and durability.
Approved by HETAS and CE certified, this flue liner is suitable for a variety of fuels including gas, oil, coal, coke, cured dry logs, cured dry peat, and approved smokeless fuels. Installation is straightforward: simply start from the top of the chimney with the arrows pointing upwards to ensure correct gas flow. Maintenance is minimal but essential, with an annual sweep recommended for chimneys serving solid fuel appliances.
SKU: 36Z-80-1
Technical Specifications | |
---|---|
SKU | 36Z-80-1 |
Material | 904L Stainless Steel (Inner & Outer 0.105mm) |
Design | Double-skinned with smooth inner and convoluted outer surfaces |
Seam | Quattrolock |
Fuel Compatibility | Gas, Oil, Coal, Coke, Cured Dry Logs, Cured Dry Peat, Approved Smokeless Fuels |
Approvals | HETAS, CE |
Manufacturer | Mi-Flues Ltd |
Warranty | Lifetime (with Screw-Fix accessories) |
Installation | Top-down installation with proper arrow alignment for optimal gas flow |