Sflue Black (3109515B) - Heavy Duty Wall Band - Ø 152
At a Glance
- Constructed from high-quality stainless steel (304 outer, 316L inner) at 0.40mm thickness
- High-density compressed rockwool insulation (230kg/m³) for enhanced safety and efficiency
- Secure 8-barbed twist-lock couplers with a locking band for reliable assembly
- HETAS approved and CE marked for guaranteed compliance and performance
- Versatile use with solid fuel, wood, gas, and oil appliances
- Requires a minimum 50mm clearance from combustible materials

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 Heavy Duty Wall Band Ø 152 is essential for anyone operating solid fuel, gas, or oil appliances, such as woodstoves or boilers. Manufactured with a robust design, this wall band features an outer skin made from 304-grade stainless steel and an inner skin from 316-grade stainless steel, each with a thickness of 0.4mm. The high-density insulation, made from compressed rockwool at 230kg/m3, ensures maximum safety and efficiency.
The twist-lock couplers, with an 8-barbed twist lock mechanism, offer secure assembly, mitigated by the use of a locking band. HETAS approved and CE marked, the Sflue system meets the highest industry standards, designated under EN1856-1 T450 N1 D V2 L50040 G50. Ensure a 50mm distance from combustibles for optimal performance and safety.
SKU: 42-150-052
Technical Specifications | |
---|---|
SKU | 42-150-052 |
Model | Sflue Black (3109515B) - Heavy Duty Wall Band - u00d8 152 |
Materials | Outer: 304 Stainless Steel (0.40mm), Inner: 316L Stainless Steel (0.40mm) |
Insulation | Compressed Rockwool (230kg/mu00b3) |
Locking Mechanism | 8-Barbed Twist Lock with Locking Band |
Certifications | HETAS / CE |
Warranty | 15 Years manufacturing defect, 2 Years paint |
Minimum Clearance | 50mm |
Suitable Fuels | Wood, Oil, Gas, Low sulphur coal |
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.
Compatible and other products that may be of interest...
National Flues Ltd Verdict
The Sflue Black Heavy Duty Wall Band Ø 152 is a top-tier choice for those seeking secure and reliable chimney flue support. With nationwide delivery and our unbeatable prices, National Flues is your go-to supplier for exceptional quality and service.
This product is used to securely support chimney flue structures when installed with solid fuel, gas, and oil appliances.
National Flues is a leading supplier of high-quality fireplaces and flues in the UK. Known for competitive pricing and reliable delivery, we cater to both retail and trade customers nationwide.
