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Long Roof Support - Ø 100 (15-100-066)

National Flues proudly presents the Long Roof Support - Ø 100, a premium accessory designed for robust chimney flue installations. Crafted from high-quality stainless steel and engineered to meet EN1856-1, HETAS, and CE standards, this roof support is a reliable choice for solid fuel and gas/oil appliances. Perfect for wood stoves, gas coal effect fires, oil, and gas boilers, this essential component ensures safe and efficient installations. Enhance your chimney system with our durable, weather-resistant support and benefit from superior insulation and precise installation techniques. National Flues is your trusted partner for chimney accessories, offering exceptional quality and nationwide Read more...
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At a Glance

  • Durable dual-layer stainless steel construction (304 outer, 316L inner, both 0.40mm thick)
  • Certified to EN1856-1 and HETAS / CE standards
  • Suitable for both solid fuel and gas/oil appliances including wood stoves, oil/gas boilers, and gas coal effect fires
  • Incorporates compressed rockwool insulation with densities of 200kg/m3 and 128kg/m3 ensuring optimal thermal performance
  • Easy to install with two-screw rotation for precise vertical alignment
  • Engineered for secure attachment to roof rafters ensuring long-term stability
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Friday, August 15th. This is based on current lead times for this product. If you need a stove, or other bulky product, to be delivered by a specific time in the next 7 days, then please give us a call on 01670 206 999. We can sometimes 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 and you can read in our blog about they types and terms and conditions for warranties. Mi-Flex flue liner, for example, comes with a lifetime guarantee. Give us a call if you want to know about a specific warranty. Returns for damaged items are covered by insurance; non-damaged returns incur return delivery costs.

Best 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.

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]

The Long Roof Support - Ø 100 is an essential component for your chimney flue installation, designed for use with solid fuel and gas/oil appliances. Suitable for wood stoves, gas coal effect fires, oil, and gas boilers, this support ensures your flue is securely mounted and maintains a vertical alignment through the roof structure. Constructed with a durable outer skin of 304-grade stainless steel and an inner skin of 316-grade stainless steel, both 0.4mm thick, our roof support is built to last.

The insulation consists of compressed rockwool, providing a density of 200kg/m3 for TWPro and 128Kg/m3. All parts are fully welded for excellent integrity and durability.

SKU: 15-100-066

Technical Specifications
SKU15-100-066
ModelLong Roof Support - Ø 100
DimensionsDesigned for Ø 100 flues
Inner Material316L Stainless Steel (0.40mm thick)
Outer Material304 Stainless Steel (0.40mm thick)
InsulationCompressed rockwool; Density: 200kg/m3 (TWPro) and 128kg/m3 (KC)
ApprovalsHETAS Approved, CE Marked, EN1856-1 T600 N1 W V2 L50040 TWPro / KC G60
Combustible ClearanceTWPro 50mm, KC 60mm
Installation MethodRotates on 2 screws for vertical alignment; Secured to roof rafters using appropriate fixings
Compatible FuelsWood, Oil, Gas, Low sulphur coal
To install the Long Roof Support - Ø 100, begin by securely fixing the support to the roof rafters using suitable fasteners as per local building regulations. The support rotates on two screws which allow fine adjustments to achieve the required vertical alignment of your chimney flue. Ensure that the designated combustible clearance distances – 50mm for TWPro and 60mm for KC – are strictly maintained around the flue. Prior to installation, double-check that all components are in good condition and follow the manufacturer’s installation guide to verify all safety and compliance requirements. It is advisable to consult professional guidance or a certified installer if you are uncertain about any step in the process.

This support can be used with solid fuel and gas/oil appliances such as wood stoves, gas coal effect fires, oil, and gas boilers.

The outer skin is made of 304-grade stainless steel, and the inner skin is made of 316-grade stainless steel, both 0.4mm thick.

The insulation is composed of compressed rockwool with a density of 200kg/m3 for TWPro and 128Kg/m3 for other applications.

The support is secured to the rafters in the roof space and the chimney parts are connected using a Locking Band. Ensure you maintain the required distance from any combustible materials.

Yes, it is HETAS Approved and CE marked, meeting various standards including TWPro EN1856-1 T600 N1 W V2 L50040 G50.

The required distance from the outside of the flue to any combustible material is 50mm for TWPro and 60mm for KC.

Yes, this roof support is suitable for gas boilers as well as other solid fuel and gas appliances.

What our experts say!

"The Long Roof Support - Ø 100 is a reliable and versatile product, ideal for securely installing chimney flues. At National Flues, we pride ourselves on delivering top-notch products nationwide to both retail and trade customers. Rarely beaten on price and always reliable."

The Long Roof Support - Ø 100 is designed to provide fixed support for chimney flues, ensuring they remain securely attached and vertically aligned through the roof structure, suitable for various fuel types.

National Flues is a trusted supplier of high-quality fireplaces and flues across the UK, serving both retail and trade customers with competitive pricing and reliable delivery. Secure online payments are available for retail customers, and trade accounts can be created for regular buyers.

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