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Sflue Black (31093MDB) - Med. Ext. Bracket Heavy Duty Wall Band - 395mm (42-053)

National Flues presents the Sflue Black Medium Extension Bracket Heavy Duty Wall Band - 395mm, an exceptional chimney support accessory engineered for both modern and traditional heating systems. Combining premium stainless steel construction with high-density insulation, this heavy duty wall band is ideal for wood, gas, oil, and low sulphur coal applications. Read more...
Sflue Black (31093MDB) - Med. Ext. Bracket Heavy Duty Wall Band - 395mm
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Now only £55.99
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At a Glance

  • Robust construction using high-quality 304 and 316 stainless steel
  • High-density 230kg/m³ rockwool insulation for optimal thermal efficiency
  • HETAS approved and CE marked for safety and regulatory compliance
  • Secure 8-barbed twist lock system with Locking Band for peace of mind
  • Versatile compatibility with wood, oil, gas, and low sulphur coal appliances

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: sales@nationalflues.com

The Sflue Black Medium Extension Bracket Heavy Duty Wall Band - 395mm is crafted with precision for superior performance in both solid fuel and gas/oil applications, including woodstoves, gas coal effect fires, and boilers. The outer skin is constructed from 304 grade stainless steel with a 0.4mm thickness, while the inner skin utilises 316 grade stainless steel, also at 0.4mm thickness. Enclosed within this is high-density compressed rockwool insulation with a density of 230kg/m³, ensuring optimal thermal efficiency and safety.This wall band is part of the Sflue range, known for its reliable and secure twist-lock couplers, fully laser welded for maximum durability.

The band is HETAS approved and CE marked, carrying the designation number EN1856-1 T450 N1 D V2 L50040 G50. It meets all regulatory standards, allowing a safe distance of 50mm to combustibles.Installation is straightforward with an 8-barbed twist lock system, and parts are secured using a Locking Band. Note that when applied externally, the fixing intervals between Wall Band centres should be reduced from 3.0 metres to 2.5 metres, ensuring extra stability and safety.

SKU: 42-053

Delivery Information* +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Monday, November 17th. This is based on current lead times. Bear in mind that it is a busy time of year. If you need a product delivered by a specific time in the next 7 days, then please give us a call on 01670 206 999. Visit our Shipping Information page for more information.

About National Flues Ltd +

We began over 30 years ago as a fireplace shop in the North East. We now supply hundreds of trade professionals and thousands of retail customers, all across the UK, every month. We are still a family owned business, lead by the MD Neil, and always try our best to deliver the best possible experience. We also price match, so give us a call if you find this cheaper and want to buy from us. Visit our about us page to read a bit more.

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Technical Specifications
Product NameSflue Black Medium Extension Bracket Heavy Duty Wall Band - 395mm
SKU42-053
DesignationEN1856-1 T450 N1 D V2 L50040 G(50)
Materials304 Stainless Steel, 316 Stainless Steel
Thickness0.40mm (both inner and outer skins)
InsulationHigh-density compressed rockwool (230kg/m³)
Fixing System8-barbed twist lock with Locking Band
Fuel CompatibilityWood, Oil, Gas, Low sulphur coal
Distance To Combustibles50mm
Warranty15 Years manufacturing defect; 2 Years paint warranty
Installation is straightforward using the secure 8-barbed twist lock system. For external applications, it is imperative to reduce the fixing interval from 3.0 metres to 2.5 metres for enhanced stability. Follow the HETAS/CE guidelines carefully and ensure that the wall band is fitted in accordance with manufacturer recommendations to maintain optimal performance and safety.

The wall band is constructed from 304 grade stainless steel for the outer skin and 316 grade stainless steel for the inner skin, both with a thickness of 0.4mm.

Yes, the Sflue Black Wall Band is suitable for use with solid fuel, gas, and oil appliances including wood stoves, gas coal effect fires, and boilers.

Yes, it is HETAS approved and CE marked, ensuring compliance with safety and regulatory standards.

The recommended distance to combustibles is 50mm to ensure safety.

The high-density compressed rockwool insulation, with a density of 230kg/m³, offers superior thermal efficiency and safety.

For external applications, the intervals between Wall Band fixing centres should be reduced from 3.0 metres to 2.5 metres for additional stability.

The designation number for the Sflue Black Wall Band is EN1856-1 T450 N1 D V2 L50040 G50.

 

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