Sflue Black (2108505B) - 90° one-piece round Finishing Plate - Ø 127
At a Glance
- - Crafted from premium stainless steel (304 outer, 316 inner)
- - One-piece design for a seamless 90° finish
- - Designed for solid fuel, gas, oil and low sulphur coal applications
- - HETAS approved and CE marked for safety and quality
- - High-density rockwool insulation with an 8 barbed twist lock mechanism
- - Ensures a safe 50mm clearance from combustibles

Please Note: All dimensions refer to the internal diameter of flues. If unsure, please call 01670 206999 to ensure you choose the correct products.
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 Sflue Black (2108505B) 90° one-piece round Finishing Plate, with a diameter of 127mm, serves as a premium flue accessory, crafted to provide a seamless termination where the chimney penetrates a wall at a 90° angle. Designed for use with solid fuel and gas/oil appliances, it fits perfectly with woodstoves, gas coal effect fires, and oil and gas boilers. Made from high-grade stainless steel (304 grade for the outer skin and 316 grade for the inner), it ensures durability and resistance to corrosion.
The insulation is high-density compressed rockwool encapsulated within twist-lock couplers, ensuring maximum efficiency and safety, maintaining a 50mm safe distance from combustibles. Approved by HETAS and CE marked, the Sflue system is secure, reliable, and easy to install, thanks to its 8 barbed twist lock mechanism securely fastened with a Locking Band. Ideal for both residential and commercial installations.
SKU: 42-125-106
Technical Specifications | |
---|---|
SKU | 42-125-106 |
Diameter | 127mm |
Outer Material | 304 Stainless Steel (0.40mm thick) |
Inner Material | 316L Stainless Steel (0.40mm thick) |
Fuel Compatibility | Wood, Oil, Gas, Low sulphur coal |
Approvals | HETAS / CE |
Twist Lock Mechanism | 8 barbed twist lock with Locking Band |
Warranty | 15 Years manufacturing defect warranty, 2 Years paint Warranty |
Safe Distance To Combustibles | 50mm |
Design | 90u00b0 one-piece round finish |
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Friday, April 4th. 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. If you find it cheaper within 48 hours, we'll refund the difference.
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National Flues Ltd Verdict
At National Flues, we are proud to offer the Sflue Black 90° one-piece round finishing plate, known for its exceptional quality and reliability. Delivering nationwide to both retail and trade customers, this product is perfect for ensuring a professional finish for your chimney installation.
The Sflue Black 90° one-piece round finishing plate is designed to provide a professional and aesthetic finish at the point where the chimney penetrates a wall at a 90° angle.
National Flues is a leading supplier of high-quality fireplaces and flues across the UK. Known for competitive pricing and reliable delivery, we serve both retail and trade customers with a range of premium products designed for safety and efficiency.
