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Joist Support - Ø 100 (15-100-068)

National Flues offers the premium Joist Support - Ø 100mm, a robust chimney support accessory designed specifically for solid fuel and gas/oil appliances. Engineered with high-grade 304 and 316 stainless steels, this flue support ensures longevity, safety, and ease of installation. Read more...
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At a Glance

  • Dual stainless steel construction (304 outer, 316 inner; 0.40mm each)
  • Compressed rockwool insulation for optimal heat resistance
  • HETAS approved and CE marked for high industry standards
  • Easy assembly with integrated Locking Band system
  • Designed for solid fuel, gas, and oil appliance compatibility

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 Joist Support Ø 100mm is designed specifically for solid fuel and gas/oil appliances, including woodstoves, gas coal effect fires, oil and gas boilers, and other solid fuel appliances. Crafted with precision, it features a robust construction with an outer skin made from 304 grade stainless steel and an inner skin of 316 grade stainless steel. Both skins have a thickness of 0.4mm, ensuring durability and resistance to high temperatures.

The insulation consists of compressed rockwool with a density of 200kg/m3 TWPro and 128Kg/m3 for added safety. It maintains a safe distance to combustibles: 50mm for TWPro and 60mm for KC. Approved by HETAS and CE marked, it adheres to the highest standards: TWPro EN1856-1 T600 N1 W V2 L50040 G50, TWPro EN1856-1 T200 W V2 L50040 O20, KC EN1856-1 T600 N1 W V2 L50040 G60, and KC EN1856-1 T200 W V2 L50040 O20.

This advanced design is complemented by the ease of installation, secured together using a Locking Band. Ensure you maintain the required distance from any combustible materials for optimal safety and performance.

SKU: 15-100-068

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.

Technical Specifications
SKU15-100-068
Outer Material304 Stainless Steel (0.40mm thick)
Inner Material316 Stainless Steel (0.40mm thick)
InsulationCompressed Rockwool (200kg/m3 TWPro; 128kg/m3 KC)
CertificationsHETAS, CE Marked
Combustible Clearance50mm for TWPro, 60mm for KC
Load SupportUp to 3 metres maximum distance
Suitable ForSolid fuel, woodstoves, gas and oil boilers, and other similar appliances
Before installation, ensure that the joist area and flue dimensions are correctly measured. Begin by positioning the Joist Support - Ø 100mm so that it aligns evenly across the floor joist. Always maintain the minimum required clearances of 50mm (TWPro) or 60mm (KC) from any combustible material. Secure the components together using the provided Locking Band, making sure that each joint is firmly fastened. It is advisable to consult the installation manual for any specific alignment guides and torque requirements. For added safety, ensure the work area is clear of any hazards and, if in doubt, consult a professional installer.

It is suitable for solid fuel and gas/oil appliances such as woodstoves, gas coal effect fires, oil, and gas boilers.

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

It uses compressed rockwool insulation with a density of 200kg/m3 TWPro and 128Kg/m3 for KC.

Yes, it is HETAS approved and also CE marked, adhering to stringent industry standards.

Installation is straightforward, with parts secured together using a Locking Band. Ensure the required distance from combustibles like wood and plasterboard is maintained.

A distance of 50mm for TWPro and 60mm for KC should be maintained from the flue to any combustible materials.

Yes, it is suitable for both residential and commercial applications, offering robust support for various chimney and flue systems.

 

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