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TWPro MB - Joist Support - Ø 125 (58-125-068)

National Flues presents the TWPro MB Joist Support Ø125 – a premium accessory essential for secure chimney installations. Engineered for both residential and commercial use, this joist support is not only vital for solid fuel and gas/oil appliances but also stands out amongst chimney supports and flue accessories. Read more...
TWPro MB - Joist Support - Ø 125
IN STOCK
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Now only £23.99
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At a Glance

  • Robust 304/316 grade stainless steel construction
  • Compressed rockwool insulation for superior heat resistance
  • HETAS approved and CE marked for safety
  • Locking Band installation system for secure fit
  • Designed to evenly distribute chimney load
  • Suitable for solid fuel and gas/oil 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.

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Have Questions?
Phone: 01670 206999
Email: sales@nationalflues.com

The TWPro MB Joist Support Ø 125mm is designed for seamless integration with your chimney system, providing critical support as the chimney passes through floor joists. Suitable for both solid fuel and gas/oil appliances including woodstoves, gas coal effect fires, and oil and gas boilers, this joist support ensures your setup is both secure and efficient. Constructed with high-quality 304 grade stainless steel for the outer skin and 316 grade stainless steel for the inner skin, each at 0.4mm thickness, this joist support is built to last.

Its insulation is made from compressed rockwool with densities of 200kg/m³ and 128kg/m³ respectively. Fully welded components and a required distance of 50mm from combustibles (60mm for KC) ensure maximum safety. HETAS approved and CE marked with designation numbers TWPro EN1856-1 T600 N1 W V2 L50040 G50 and TWPro EN1856-1 T200 W V2 L50040 O20, this product meets rigorous standards.

Installation is simple with the Locking Band system, ensuring a secure fit and compliance with safety distances from flammable materials.

SKU: 58-125-068

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
SKU58-125-068
SizeØ125mm
Outer Material304 grade stainless steel (0.4mm thickness)
Inner Material316 grade stainless steel (0.4mm thickness)
InsulationCompressed rockwool
Insulation Density TWPro200kg/m³
Insulation Density KC128kg/m³
Installation MethodLocking Band system
Load Support Maximum Distance3 metres
Safety Clearance50mm from combustibles (60mm for KC)
CertificationsHETAS approved, CE marked
- Verify that the installation area maintains a minimum clearance of 50mm from all combustible materials (60mm for KC systems). - Use the supplied Locking Band system to securely position the joist support within your chimney layout. - Ensure that fire stop plates are installed as recommended to properly distribute the chimney load. - Follow the detailed guidelines provided in the technical manual to achieve compliance and optimum performance. - In case of uncertainty, consult a professional installer to guarantee all safety standards are rigorously met.

The TWPro MB Joist Support Ø 125mm can be used with solid fuel and gas/oil appliances, including woodstoves, gas coal effect fires, and oil and gas boilers.

It is constructed with an outer skin of 304 grade stainless steel and an inner skin of 316 grade stainless steel, both with a thickness of 0.4mm. The insulation is compressed rockwool.

Yes, the TWPro MB Joist Support is HETAS approved and also CE marked.

Install using the Locking Band system and maintain a safe distance from combustibles: 50mm for TWPro and 60mm for KC.

The joist support spans the floor joist at the upper floor section, ensuring even weight distribution with the help of fire stop plates.

The insulation comprises compressed rockwool with a density of 200kg/m³ for TWPro and 128kg/m³ for KC.

Refer to our Guides section for detailed loading data information.

 

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