TWPro MB - Heavy Duty Roof Support - Ø 125
At a Glance
- Robust double-layer construction for enhanced durability
- Premium 304-grade stainless steel outer skin and 316-grade inner skin (both 0.4mm thick)
- High-density compressed rockwool insulation (200kg/m³ for TWPro)
- HETAS approved and CE marked ensuring safety and compliance
- Designed for solid fuel, gas, and oil appliances, including woodstoves and boilers

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 Heavy Duty Roof Support (Ø 125mm) is crafted for optimal performance with solid fuel, gas, and oil appliances, including woodstoves, gas coal effect fires, and boilers. Engineered with a double-layer construction, the outer skin is made from robust 304-grade stainless steel and the inner skin from high-quality 316-grade stainless steel, both with a 0.4mm thickness. This support features compressed rockwool insulation with a high density of 200kg/m³, ensuring maximum efficiency and safety.
It maintains a 50mm distance to combustibles for TWPro and 60mm for KC. Fully approved by HETAS and CE marked, this product adheres to designations TWPro EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 W V2 L50040 O20. Installation is streamlined with TWPro's Locking Band, ensuring secure connections while maintaining safety distances from combustible materials such as wood and plasterboard.
SKU: 58-125-167
SKU | 58-125-167 |
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Item | TWPro MB - Heavy Duty Roof Support - u00d8 125 |
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Thursday, April 3rd. 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. If you find it cheaper within 48 hours, we'll refund the difference.
Compatible and other products that may be of interest...
National Flues Ltd Verdict
The TWPro MB - Heavy Duty Roof Support (Ø 125mm) is a top choice for reliability and durability. We deliver nationwide and cater to both retail and trade customers. Rarely beaten on price!
The TWPro MB - Heavy Duty Roof Support is designed to securely support chimney flues for solid fuel, gas, and oil appliances, ensuring safety and durability.
National Flues is a leading supplier of high-quality fireplaces and flues across the UK. Known for their competitive pricing and commitment to reliable delivery, they serve both retail and trade customers nationwide.
