Round Finishing Plate 90° (1 Piece) - Ø 125
At a Glance
- - Premium construction with 304 and 316L stainless steel for durability
- - High-density compressed rockwool insulation ensuring excellent thermal efficiency
- - Fully welded for a secure, leak-free finish
- - HETAS approved and CE marked for safety and compliance
- - Versatile compatibility with wood, oil, gas, and low sulphur coal appliances

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 Round Finishing Plate 90° (1 Piece) - Ø 125 is designed to offer a professional finish for your chimney flue system as it passes through a wall. Constructed with outer and inner skins of 304 and 316 grade stainless steel respectively, both 0.4mm thick, this plate ensures long-lasting durability and rust-resistance. The inner layer is insulated with high-density compressed rockwool, offering excellent thermal insulation with densities of 200kg/m3 TWPro and 128Kg/m3 KC.
Fully welded components guarantee secure, leak-free installation. Designed for both solid fuel and gas/oil appliances, this versatile finishing plate is perfect for woodstoves, gas fires, oil, and gas boilers. The TWPro range is HETAS approved and CE marked, making it a trusted choice for any flue installation.
Ensure a safe distance of 50mm from combustibles for TWPro models, and 60mm for KC. To install, use a locking band to securely fasten chimney parts, and attach the plate to the wall using silicone and screws.
SKU: 15-125-113
Technical Specifications | |
---|---|
SKU | 15-125-113 |
Diameter | 125mm |
Construction | Inner: 316L Stainless Steel (0.40mm), Outer: 304 Stainless Steel (0.40mm) |
Insulation | High-density compressed rockwool - 200kg/mu00b3 (TWPro) / 128kg/mu00b3 (KC) |
Approvals | HETAS / CE |
Safety Distance | TWPro: 50mm from combustibles, KC: 60mm from combustibles |
Fuel Compatibility | Wood, Oil, Gas, Low sulphur coal |
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.
Compatible and other products that may be of interest...
National Flues Ltd Verdict
The Round Finishing Plate 90° Ø 125 is an excellent choice for perfecting your chimney flue installation. Backed by HETAS approval and made from robust stainless steel, it's a reliable component for a range of appliances. Available for retail and trade customers with secure online payments and dependable nationwide delivery.
The Round Finishing Plate is used to provide a neat, professional finish where a chimney flue passes through a wall at a 90° angle.
National Flues is a premier supplier of high-quality fireplaces and flues in the UK, known for unbeatable prices and reliable nationwide delivery. We cater to both retail and trade customers, offering secure online payments and trade account options.
