2pc. Round Fixed Finishing Plate 90° - Ø 150
At a Glance
- - Premium 304/316 Stainless Steel Construction
- - Fully Welded for Durability and Safety
- - HETAS Approved & CE Marked
- - Suitable for Wood, Gas, and Oil Appliances
- - Secure, Easy Installation with Silicone and Screws

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 2-piece Round Fixed Finishing Plate 90° - Ø 150mm is a premium accessory designed to neatly finish the area around a chimney flue as it passes through a non-combustible wall. This component, made from high-quality 304 and 316-grade stainless steel, ensures durability and safety. It features a compressed rockwool insulation with a density of 200kg/m³ (TWPro) and 128kg/m³ for other components, providing excellent thermal protection.
The product is suitable for use with a variety of appliances, including wood stoves, gas coal effect fires, and oil and gas boilers. Both the TWPro and KC systems are fully welded and approved by HETAS, adhering to the stringent CE standards and EN1856-1 designations. Installation is straightforward, requiring a locking band and maintaining a safe distance from combustible materials.
SKU: 15-150-117
Technical Specifications | |
---|---|
Outer Material | 304 Stainless Steel - 0.40mm thick |
Inner Material | 316 Stainless Steel - 0.40mm thick |
Insulation | Compressed Rockwool |
Insulation Density (TWPro) | 200kg/mu00b3 |
Insulation Density (Other) | 128kg/mu00b3 |
System | TWPro / KC |
Approvals | HETAS, CE, EN1856-1 |
Distance To Combustibles | TWPro 50mm / KC 60mm |
Application | Wood, Oil, Gas, Low Sulphur Coal Appliances |
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Friday, April 4th. 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.
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National Flues Ltd Verdict
At National Flues, we are proud to offer the 2pc. Round Fixed Finishing Plate 90° - Ø 150mm, an essential component for ensuring a clean and professional finish where flues pass through walls. We provide reliable nationwide delivery and service both retail and trade customers with competitive pricing.
The 2-piece Round Fixed Finishing Plate 90° - Ø 150mm is used to create a clean and professional finish around the chimney flue as it passes through a non-combustible wall.
National Flues is a leading supplier of fireplaces and flues across the UK, known for competitive pricing, reliable delivery, and exceptional customer service to both retail and trade customers.
