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Sflue Black (2108405B) - 45° one-piece round Finishing Plate - Ø 127 (42-125-107)

The Sflue Black 45° one-piece round finishing plate is the perfect accessory for your chimney flues. Designed for both aesthetics and functionality, this DIN 127 model offers a sleek finish with premium 304 and 316-grade stainless steel construction. Ideal for solid fuel, gas, and oil appliances, this finishing plate is a must-have for quality chimney installations across the UK. National Flues provides nationwide delivery with competitive pricing, making it an essential choice for homeowners an Read more...
The price you pay today £34.99
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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
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.

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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.

Please Note: All dimensions refer to the internal diameter of flues. If unsure, please call 01670 206999 to ensure you choose the correct products.

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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.
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Price Match Guarantee: If you find the same product cheaper within 48 hours, we’ll match it and refund the difference.

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Have Questions?
Phone: 01670 206999
Email: [email protected]

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
SKU42-125-107
Model2108405B
Angle45u00b0
Diameter127mm
Inner Material316L Stainless Steel (0.40mm thick)
Outer Material304 Stainless Steel (0.40mm thick)
InsulationCompressed rockwool, 230kg/m3
WeldingFully laser welded
ApprovalHETAS / CE (EN1856-1 T450 N1 D V2 L50040 G50)
Installation Method8-barbed twist-lock system
Clearance50mm from combustibles
Warranty15 Years manufacturing defect warranty, 2 Years paint warranty
Installation is straightforward using the 8-barbed twist-lock system. Ensure that the chimney is positioned with a minimum clearance of 50mm from any combustibles to maintain safety standards. Follow the manufacturer’s installation guidelines meticulously to secure the finishing plate using a locking band, and check that all connections are tight to avoid any potential issues during operation.

It is suitable for solid fuel, gas, and oil appliances, including woodstoves, gas coal effect fires, and oil/gas boilers.

The outer skin is made from 304-grade stainless steel, and the inner skin is made from 316-grade stainless steel, both with a thickness of 0.4mm.

It features compressed rockwool insulation with a density of 230kg/m3.

Yes, it is HETAS approved and CE marked, meeting EN1856-1 T450 N1 D V2 L50040 G50 standards.

The finishing plate uses an 8-barbed twist-lock system and should be secured with a locking band. A 50mm distance from combustibles must be maintained during installation.

It provides a clean, aesthetic trim around the chimney where it penetrates a wall at a 45° angle.

National Flues is renowned for reliable nationwide delivery, serving both retail and trade customers efficiently.

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