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TWPro GREY - Joist Support - Ø 125 (56-125-068)

National Flues presents the TWPro GREY Joist Support - Ø 125, a high-quality chimney flue support designed for safety and durability. This premium support system for chimneys, woodstoves, and boilers seamlessly combines robust stainless steel construction with excellent thermal insulation, ensuring optimal performance in a variety of solid fuel, oil, and gas applications.
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£31.99
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At a Glance

  • HETAS Approved & CE marked
  • Premium 304 & 316-grade stainless steel construction
  • Engineered for flawless chimney support through floor joists
  • Easy locking band installation
  • Maintains essential 50mm clearance from combustibles

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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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:

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Have Questions?
Phone: 01670 206999
Email: [email protected]

The TWPro GREY - Joist Support - Ø 125 is engineered for exceptional performance and durability. Ideal for use with solid fuel and gas/oil appliances such as woodstoves, gas coal effect fires, oil, and gas boilers, and various solid fuel applications. Constructed with precision, the outer skin of this joist support is made from 304-grade stainless steel at a thickness of 0.4mm, while the inner skin boasts 316-grade stainless steel, also at a thickness of 0.4mm.

The insulation comprises compressed rockwool with a density of 200kg/m3, ensuring excellent thermal resistance. Both inner and outer parts are fully welded for added integrity. Installation is straightforward, requiring just a locking band, and it's crucial to maintain a 50mm distance from any combustible materials.

Fully HETAS approved and CE marked, the TWPro Joist Support meets stringent EN1856-1 standards for safety and performance.

SKU: 56-125-068

Technical Specifications
MaterialOuter: 304 Stainless Steel (0.40mm), Inner: 316 Stainless Steel (0.40mm)
InsulationCompressed Rockwool (200kg/m3)
SizeØ 125
ApprovalsHETAS Approved, CE Marked
StandardsEN1856-1 (T600 N1 W V2 L50040 G50 and T200 W V2 L50040 020)
Combustible Clearance50mm
• Install the joist support using the provided locking band to secure it firmly in place. • Ensure a minimum clearance of 50mm between the flue and any combustible materials (e.g., wood, plasterboard). • Follow the comprehensive installation guides provided with your product, which include diagrams and loading data. • Adhere strictly to EN1856-1 guidelines and manufacturer instructions to ensure optimal safety and performance during installation.

The TWPro GREY Joist Support is suitable for use with solid fuel and gas/oil appliances such as woodstoves, gas coal effect fires, oil and gas boilers, and other solid fuel appliances.

The outer skin of the joist support is made from 304-grade stainless steel and the inner skin from 316-grade stainless steel, both 0.4mm thick. It also features compressed rockwool insulation with a density of 200kg/m3.

Yes, the TWPro GREY Joist Support is HETAS Approved and CE marked, ensuring it meets high safety and performance standards.

A distance of 50mm should be maintained from the outside of the flue to any combustible materials such as wood or plaster board during installation.

This product complies with EN1856-1 standards, specifically: T600 N1 W V2 L50040 G50 and T200 W V2 L50040 O20.

The joist support is installed using a locking band, ensuring it is secured properly. Detailed installation guidelines can be found in our Guides.

Yes, it is both HETAS Approved and CE marked, ensuring compliance with high safety and efficiency standards.
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Wednesday, April 30th. 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 on a retail basis. Give us a call if you find it cheaper and want to buy from us.

Read our review in our TWPro GREY - Joist Support - Ø 125 buyers guide

Secure your peace of mind with the TWPro GREY Joist Support - Ø 125 and enjoy a safe, efficient installation today!

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