× National Flues
We Won't Be Beaten On Price.
Free Delivery on Orders Over £100
100% 5 Star Reviews on Trustpilot
Free Flue Design Service Available
Need Help? 01670 206999 (8am-5pm)

TWPro MB - 2pc. Round Fixed Finishing Plate (150) 90° - Ø 125 (58-125-118)

The TWPro MB - 2pc Round Fixed Finishing Plate is an essential accessory in chimney and flue systems, ideal for solid fuel, gas, and oil appliances. National Flues delivers high-quality, reliable chimney accessories that combine durability and a superior finish with safety and efficiency.
Hover to Zoom / Click for Gallery
£32.99
Give us a call if you find it cheaper and we'll try to price match.

 

Payment Options

At a Glance

  • Premium 304 and 316 grade stainless steel construction
  • Durable, fully welded design for secure installations
  • Suitable for solid fuel, gas, and oil appliance applications
  • Neat 90° fixed finishing plate provides a professional aesthetic
  • HETAS Approved and CE marked for safety assurance

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 TWPro MB - 2pc. Round Fixed Finishing Plate (150) 90° - Ø 125 is an essential component for your chimney flue system, ensuring a tidy and secure finish around the flue as it passes through non-combustible walls. Designed for use with solid fuel and gas/oil appliances, including woodstoves, gas coal effect fires, and boilers, this finishing plate is made from high-quality stainless steel.

The outer skin is constructed from 0.4mm thick 304-grade stainless steel, while the inner skin uses 0.4mm thick 316-grade stainless steel. The insulation is compressed rockwool with a density of 200kg/m3 for TWPro and 128Kg/m3 for the inner layer. Fully welded for durability, the TWPro system is HETAS Approved and CE marked.

This product ensures a 50mm distance to combustibles for TWPro and 60mm for KC models. Installation is straightforward with the use of a locking band to secure parts together. Maintain the recommended distances from the flue exterior to any combustible materials for optimum safety.

SKU: 58-125-118

Technical Specifications
Outer Skin0.4mm 304-grade stainless steel
Inner Skin0.4mm 316-grade stainless steel
InsulationCompressed rockwool (200kg/m3 for TWPro, 128kg/m3 inner layer)
Dimensions150mm width, u00d8 125mm
Clearance50mm for TWPro systems, 60mm for KC models
ApprovalHETAS Approved, CE marked
Install by attaching the finishing plate at a fixed 90° angle using high-quality silicone and appropriate screws. Ensure that the flue maintains the recommended clearance from any combustible materials—50mm for TWPro and 60mm for KC models. The locking band should be used to secure all components together firmly. Always refer to local building regulations and manufacturer guidelines for safe and compliant installation.

The finishing plate is suitable for solid fuel and gas/oil appliances such as wood stoves, gas coal effect fires, and boilers.

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

Attach the plate to the wall at a fixed 90° angle. Use silicone and screws to secure it, ensuring that the required distance from the flue to any combustible material is maintained.

Yes, the TWPro system is HETAS Approved and also CE marked.

The distance to combustibles is 50mm for TWPro and 60mm for KC models.

The insulation is compressed rockwool with a density of 200kg/m3 for TWPro and 128Kg/m3 for the inner layer.

The locking band is used to secure the parts of the TWPro Twin Wall Insulated Chimney system together during installation.
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 MB - 2pc. Round Fixed Finishing Plate (150) 90° - Ø 125 buyers guide

Secure your TWPro MB finishing plate today and transform your chimney project with assurance.

Your recently viewed products:

Multiple Payment Options- including Klarna, Clearpay, Mastercard, Visa and Paypal