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Joist Support - Ø 175 (15-175-068)

National Flues presents the Joist Support - Ø 175, an essential chimney support designed for hearty and secure floor joist penetrations. Perfect for use with TWPro and KC systems, this robust accessory is ideal for solid fuel, gas, and oil appliance installations. Read more...
Joist Support - Ø 175
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At a Glance

  • Robust stainless steel construction (304 outer, 316 inner - both 0.40mm thick)
  • Designed for secure chimney support through floor joists
  • High-density compressed rockwool insulation for excellent thermal protection
  • Compatible with wood, oil, gas and low sulphur coal appliances
  • HETAS and CE approved for safety and quality assurance
  • Locking Band system ensures a secure, easy installation
  • Maintains required distances from combustibles: 50mm (TWPro) and 60mm (KC)
  • Supports a maximum load span of 3 metres

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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Phone: 01670 206999
Email: sales@nationalflues.com

The Joist Support - Ø 175 is designed specifically for the secure passage of chimneys through floor joists, ensuring optimal safety and stability. Perfect for a variety of appliances including woodstoves, gas coal effect fires, and oil & gas boilers, this support features high-quality construction with both inner and outer skins made of robust stainless steel – 304 grade for the outer skin and 316 grade for the inner skin, both at 0.4mm thickness. The insulation consists of high-density compressed rockwool, providing an impressive thermal barrier.

Designed to keep your installation safe, the required distance to combustibles is 50mm for TWPro and 60mm for KC. Moreover, this product holds both HETAS and CE approvals, securing its place as a trusted component in any chimney system. Installation is simple with the use of a Locking Band which joins the TWPro Twin Wall Insulated Chimney parts together securely.

Be sure to maintain adequate spacing from combustible materials during the installation process.

SKU: 15-175-068

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
SKU15-175-068
ItemJoist Support - Ø 175
DesignationEN1856-1 T600 N1 W V2 L50040 TWPro G50/ KC G60
SystemTWPro / KC
Inner Material316L Stainless Steel (0.40mm)
Outer Material304 Stainless Steel (0.40mm)
InsulationHigh-density compressed rockwool
FuelsWood, Oil, Gas, Low sulphur coal
ApprovalsHETAS / CE
Distance To CombustiblesTWPro 50mm / KC 60mm
Maximum Load Support Distance3 metres
Installation is straightforward. Begin by ensuring that the chimney layout complies with the recommended clearances—50mm for TWPro systems and 60mm for KC systems. The Joist Support - Ø 175 features a Locking Band designed to securely join TWPro Twin Wall Insulated Chimney parts. Carefully align the support with the floor joists, ensuring even weight distribution, and tighten the locking mechanism. Always verify that all components are secure and that the support is level. If in doubt, consult with a professional installer to ensure all safety protocols are met.

The Joist Support - Ø 175 is primarily used to secure the chimney as it passes through floor joists, providing necessary support and weight distribution for various appliances such as woodstoves and gas boilers.

The Joist Support - Ø 175 features an outer skin made of 304 grade stainless steel and an inner skin made of 316 grade stainless steel, both with a thickness of 0.4mm. It also includes high-density compressed rockwool insulation.

Yes, the Joist Support - Ø 175 is HETAS approved and CE marked, indicating compliance with high safety and quality standards.

The required distance to combustible materials for the Joist Support - Ø 175 is 50mm for TWPro and 60mm for KC.

Yes, the Joist Support - Ø 175 is designed to be used in conjunction with fire stop plates, ensuring comprehensive fire safety and optimal performance.

The Joist Support - Ø 175 is secured using a Locking Band that joins TWPro Twin Wall Insulated Chimney parts together. Ensure to maintain the required distance from combustible materials during installation.

The Joist Support - Ø 175 is compatible with a wide range of appliances, including solid fuel stoves, gas coal effect fires, and oil & gas boilers.

 

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