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Sflue Black (2159806B) - Structural Locking Band - Ø 152 (42-150-054)
The Sflue Black Structural Locking Band (2159806B) is a premium addition to your chimney installation, offering unmatched durability and safety. Designed specifically for solid fuel and gas/oil appliances, this high-quality band from Sflue Black provides excellent thermal insulation and robust construction, making it the ideal choice for stabilising your chimney system. Search for the latest accessories and complementary flue components to further enhance your installation and ensure a secure, efficient setup.
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In Stock
£63.49
Give us a call if you find it cheaper and we'll try to price match.
Robust compressed rockwool insulation (230kg/m³) for excellent thermal efficiency
Maintains a safe 50mm distance to combustibles
Fully laser welded for superior strength and durability
Versatile for use with woodstoves, gas, oil, and low sulphur coal appliances
Essential for securing unsupported chimney stacks up to 2.5m above support
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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.
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.
The Sflue Black Structural Locking Band (2159806B) is essential for enhancing the stability and safety of your twin wall insulated chimney systems. This band is designed specifically for use with solid fuel and gas/oil appliances such as woodstoves, gas coal effect fires, and oil and gas boilers. Constructed from high-grade materials, the outer skin is made of 304-grade stainless steel, while the inner skin utilizes 316-grade stainless steel; both are 0.4mm thick, ensuring superior durability and resistance to high temperatures.
The insulation comprises compressed rockwool with a density of 230kg/m³, encapsulated within twist-lock couplers, providing excellent thermal efficiency. It ensures the required 50mm distance to combustibles is maintained, enhancing safety. Fully laser welded and HETAS approved, this locking band is the epitome of quality and reliability for any flue installation.
SKU: 42-150-054
Technical Specifications
SKU
42-150-054
Product Name
Sflue Black Structural Locking Band - u00d8 152
Outer Material
304 Stainless Steel (0.40mm thick)
Inner Material
316L Stainless Steel (0.40mm thick)
Insulation
Compressed Rockwool (230kg/mu00b3)
Distance To Combustibles
50mm
Approval
HETAS / CE
Warranty
15 Years manufacturing defect, 2 Years paint
Diameter
152mm
System
Sflue Black
• Ensure that the chimney system is adequately supported and that the installation area is clear of any combustibles, maintaining at least the 50mm clearance.
• Fit the locking band securely around the chimney stack, aligning the barbed twist-lock couplers properly.
• Follow the manufacturer’s installation guidelines carefully to secure the band uniformly.
• Use appropriate tools for laser welded components; if unsure, consult a professional installer.
• Always check local building regulations and HETAS guidelines to ensure full compliance during installation.
Yes, the Sflue Black Structural Locking Band is suitable for use with gas appliances, including gas coal effect fires and gas boilers.
The outer skin is made from 304-grade stainless steel, and the inner skin is made from 316-grade stainless steel. Both skins are 0.4mm thick for maximum durability.
The insulation used is compressed rockwool with a density of 230kg/m³, providing exceptional thermal efficiency.
Yes, it is HETAS approved and carries the CE marking, ensuring it meets high safety and performance standards.
Absolutely, it is suitable for solid fuel appliances, including woodstoves.
The Sflue system features an 8-barbed twist-lock coupling mechanism, secured using the locking band. Ensure a 50mm distance from any combustible materials.
The 50mm distance ensures that the flue does not come into contact with materials that could ignite, enhancing safety and compliance with building regulations.
Delivery Information +
We work relentlessly to ensure you get your order fast.
Estimated delivery for this product is Wednesday, April 30th.
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 on a retail basis. Give us a call if you find it cheaper and want to buy from us.
Read our review in our Sflue Black (2159806B) - Structural Locking Band - Ø 152 buyers guide
Introduction
Installing a reliable locking band in your chimney system is a crucial step in ensuring the safety and longevity of your flue installation. The Sflue Black Structural Locking Band (2159806B) with a 152mm diameter is specifically engineered to offer superior performance for unsupported chimney stacks up to 2.5m above the final support. In this guide, we will explore the unique benefits of this product, addressing common concerns and highlighting how it stands out in quality and functionality.
Features Overview
High-Grade Materials:
- The locking band features an outer skin made from 304-grade stainless steel and an inner skin from 316L stainless steel. Both are 0.40mm thick, ensuring that the material is robust enough to withstand high temperatures and environmental stress.
Thermal Efficiency:
- With an insulation made of compressed rockwool at 230kg/m³ density, this locking band provides excellent thermal retention. This means not only a more efficient chimney performance but also significant energy savings over time.
Safety Compliance:
- Approved by HETAS and carrying the CE mark, this product meets strict safety requirements. It is designed to keep the flue a safe 50mm away from any combustible surfaces, significantly reducing the risk of fire hazards.
Durability and Reliability:
- Fully laser welded, the structure of the locking band has been enhanced to deliver long-lasting performance. Its precision engineering makes it a reliable component that supports the stability of your chimney system under various conditions.
Addressing Common Concerns
Installation Readiness
One of the frequent questions raised during the selection process is related to the ease of installation. The Sflue Black Structural Locking Band has been engineered to be user-friendly while being robust enough for commercial applications. Detailed installation instructions are provided to ensure that even those with moderate DIY skills can achieve a professional finish. However, if needed, it is always advisable to consult with a professional installer to ensure that all safety measures are met.
Compatibility with Various Appliances
Another common concern is whether this locking band is suitable for the variety of fuel appliances in the market, including woodstoves, gas boilers, oil systems, and even low sulphur coal installations. The design of the band caters explicitly to these applications, providing flexibility and versatility. Its proven compatibility across multiple fuel types makes it an ideal investment for homeowners and professionals alike.
Longevity and Warranty
Investing in high-quality components for your chimney system is essential for long-term savings and peace of mind. The Sflue Black Structural Locking Band comes with a manufacturing defect warranty of 15 years and an additional 2-year warranty on the paint finish. This ensures that any early issues are covered, and your installation remains reliable under normal use conditions.
Optimising Your Installation with Accessory Options
Whilst the locking band is a critical component, consider that additional accessories can further improve the performance and safety of your chimney installation. Optional accessories such as additional support brackets, improved insulation kits, and specialised chimney liners are available. These can assist in customising your build and addressing specific requirements unique to your installation demands. If you have any uncertainties, search our catalogue for these complementary accessories to create an all-encompassing safety setup.
Detailed Technical Aspects
The technical integrity of the locking band is not just about its materials but also its form and function. The dual stainless steel skins, combined with the robust insulation method, yield a product that performs consistently under pressure. Each component of the design has been meticulously developed to ensure that it meets contemporary building regulations and industry standards. Not only does this product help maintain the necessary 50mm clearance from combustibles, but it also contributes to the overall structural stability of the chimney system. The laser welding process ensures that every edge and joint is secure, providing an uninterrupted barrier against environmental impacts.
Installation Best Practices
It is essential to follow the installation guidelines meticulously. Begin by preparing the chimney structure, ensuring all surfaces are clean and free from any obstructions. Use the twist-lock coupling mechanism provided to fix the band securely around the chimney, taking care to maintain the recommended clearance from any combustible materials. If in doubt, professional installation services are recommended. By following these best practices, you are not only ensuring the safety of your home but also optimising the performance of your chimney system.
Final Thoughts
The Sflue Black Structural Locking Band (2159806B) is a testament to innovative design and robust engineering. It seamlessly integrates safety, durability, and efficiency, making it an indispensable part of your chimney installation. Whether you are a homeowner embarking on a DIY project or a tradesperson looking for reliable, professional-grade materials, this locking band meets and exceeds expectations. Its thoughtful design means you can confidently invest in this component, knowing that it will support your chimney installation for many years.
In conclusion, the Sflue Black Structural Locking Band offers a secure, efficient, and long-lasting solution for your chimney needs. Its compatibility with a range of fuel appliances, adherence to rigorous safety standards, and the option to enhance your installation with complementary accessories, make it a standout choice in the market. Buy now or call 01670 206 999.
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