2pc. Round Fixed Finishing Plate (150) 90° - Ø 175
At a Glance
- - Suitable for both solid fuel and gas/oil appliances
- - Dual-layer stainless steel construction (304 outer, 316L inner) for superior heat and corrosion resistance
- - Premium compressed rockwool insulation for optimal thermal protection
- - Designed to create a neat and professional finish around the flue
- - HETAS Approved and CE marked for high safety standards
- - Easy installation using silicone and screws for a secure, fixed fit

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 2pc. Round Fixed Finishing Plate (150) 90° - Ø 175 is designed for use with both solid fuel and gas/oil appliances, such as woodstoves, gas coal-effect fires, and oil and gas boilers. Crafted with precision, the outer skin of the plate is made from 304-grade stainless steel with a 0.4mm thickness, ensuring durability and resistance to high temperatures.
The inner skin is constructed from 316-grade stainless steel, also 0.4mm thick, offering enhanced corrosion resistance. The insulation consists of compressed rockwool, providing a density of 200kg/m³ TWPro / 128Kg/m³. All parts are fully welded, guaranteeing a reliable and long-lasting product.
The TWPro Twin Wall Insulated Chimney parts are secured together using a Locking Band, ensuring a stable fit. For installation, it is crucial to maintain a distance of 50mm from any combustible materials. This product meets rigorous safety and quality standards, being HETAS Approved and CE marked.
It carries the designations TWPro EN1856-1 T600 N1 W V2 L50040 G50 and TWPro EN1856-1 T200 W V2 L50040 O20, reflecting its high-temperature tolerance and suitability for solid fuel appliances.
SKU: 15-175-118
Technical Specifications | |
---|---|
SKU | 15-175-118 |
Material | Outer: 304-grade stainless steel (0.40mm thick), Inner: 316L stainless steel (0.40mm thick) |
Insulation | Compressed rockwool (200kg/m³ TWPro / 128Kg/m³) |
Approval | HETAS, CE |
Appliance Compatibility | Woodstoves, oil and gas boilers, coal-effect fires |
Mounting | Fixed at a 90° angle using high-temperature silicone and screws |
Clearance | 50mm from combustibles for TWPro, 60mm for KC |
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, April 8th. 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
The 2pc. Round Fixed Finishing Plate (150) 90° - Ø 175 is a top-tier choice for both retail and trade customers. With outstanding quality and nationwide delivery, National Flues ensures that you're getting the best product at unbeatable prices.
The 2-piece Round Fixed Finishing Plate is used to tidy the area around a flue as it passes through a non-combustible wall, providing a clean and professional finish.
National Flues is a trusted supplier of fireplaces and flues throughout the UK, known for its unbeatable prices, reliable delivery, and excellent customer service. We serve both retail and trade customers, offering secure online payment options.
