Sflue Black (2108405B) - 45° one-piece round Finishing Plate - Ø 127
At a Glance
- - Crafted from high-quality 304/316-grade stainless steel
- - Compressed rockwool insulation (230kg/m3) for superior durability
- - Fully laser welded for a seamless finish
- - HETAS approved and CE marked to meet EN1856-1 standards
- - Easy 8-barbed twist-lock installation ensuring a neat 45° finish

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 45° one-piece round finishing plate Ø 127mm, model 2108405B, is crafted for superior performance and sleek aesthetics in chimney installations. It is suitable for use with various solid fuel and gas/oil appliances such as woodstoves, gas coal effect fires, and oil/gas boilers. Constructed with high-grade materials, the outer skin is made from 304-grade stainless steel, and the inner skin from 316-grade stainless steel, both featuring a 0.4mm thickness.
Insulated with compressed rockwool, boasting a density of 230kg/m3, this plate ensures robust durability and efficiency. The insulation is encapsulated within twist-lock couplers for seamless integration. Fully laser welded and HETAS approved, it is CE marked and meets EN1856-1 T450 N1 D V2 L50040 G50 standards.
Installation is straightforward with 8-barbed twist-lock system, and a distance of 50mm from combustibles is required for safe use. Ideal for providing a clean, finished look where the chimney penetrates at a 45° angle.
SKU: 42-125-107
Technical Specifications | |
---|---|
SKU | 42-125-107 |
Model | 2108405B |
Angle | 45u00b0 |
Diameter | 127mm |
Inner Material | 316L Stainless Steel (0.40mm thick) |
Outer Material | 304 Stainless Steel (0.40mm thick) |
Insulation | Compressed rockwool, 230kg/m3 |
Welding | Fully laser welded |
Approval | HETAS / CE (EN1856-1 T450 N1 D V2 L50040 G50) |
Installation Method | 8-barbed twist-lock system |
Clearance | 50mm from combustibles |
Warranty | 15 Years manufacturing defect warranty, 2 Years paint warranty |
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
The Sflue Black 45° one-piece round finishing plate Ø 127mm is a top-notch choice for both aesthetics and functionality. Perfect for solid fuel, gas, and oil appliances, and backed by our reliable nationwide delivery for both retail and trade customers.
The Sflue Black finishing plate is designed to create a professional and aesthetic finish around chimney flues where they penetrate walls at a 45° angle, complementing the overall look while ensuring safety and efficiency.
National Flues is a leading supplier of fireplaces and flues in the UK, known for their competitive pricing and reliable nationwide delivery services. They cater to both retail and trade customers, offering secure online payment options.
