TWPro MB - Joist Support - Ø 125 (58-125-068)
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
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, July 1st. This is based on current delivery times for this product. Delivery for products not in our warehouses can be delayed because of third party carriers. 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. 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.
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]
- Info
- Specs
- Install
- FAQs
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
| Technical Specifications | |
|---|---|
| SKU | 58-125-068 |
| Size | u00d8125mm |
| Outer Material | 304 grade stainless steel (0.4mm thickness) |
| Inner Material | 316 grade stainless steel (0.4mm thickness) |
| Insulation | Compressed rockwool |
| Insulation Density TWPro | 200kg/mu00b3 |
| Insulation Density KC | 128kg/mu00b3 |
| Installation Method | Locking Band system |
| Load Support Maximum Distance | 3 metres |
| Safety Clearance | 50mm from combustibles (60mm for KC) |
| Certifications | HETAS approved, CE marked |
