Description
Finishing Plate 90 Degree 1 Piece Twin Flue 6 Inch – TWPro, Black, HETAS & UKCA Approved
The Finishing Plate 90 Degree (1 Piece) Twin Flue (6 inch) TWPro is a single-piece, round plate designed to provide a neat and professional finish where your twin wall flue passes through a wall at a 90° angle. Securely attached with silicone and screws, this plate ensures a tidy, robust installation for any solid fuel, gas, or oil appliance.
Why Choose the 90 Degree Finishing Plate Twin Flue?
Manufactured from 304 grade stainless steel (outer) and 316 grade stainless steel (inner), both 0.4mm thick, this fully welded plate is durable and finished in black. HETAS approved and UKCA marked, it’s tested to 600°C and comes with a 25-year warranty. Designed for use with TWPro twin wall flue systems.
Key Features
One-Piece Design: Seamless installation at 90°
Neat Wall Finish: Covers wall opening for a professional look
Durable Construction: 304/316 stainless steel, fully welded, black finish
Certified & Approved: HETAS approved, UKCA marked, EN1856-1 compliant
High Temperature Resistance: Safe up to 600°C
Warranty: 25 years (conditional), 2 years on paint
System: For use with TWPro Twin Wall Flue parts only
Product Specifications
Type: 1 Piece Round Finishing Plate, 90°
Internal Diameter: 6 inch (150mm)
External Diameter: 8 inch (200mm)
Material: 304 Stainless Steel (outer), 316 Stainless Steel (inner), 0.4mm thick
Finish: Black
Approvals: HETAS, UKCA, EN1856-1
Warranty: 25 years (conditional), 2 years paint
Additional Information
FREE Delivery: Available on orders over £100. Click here to check delivery information for your area.
For more finishing plates and twin wall flue accessories, visit modernstoves.co.uk.
Need help or advice? Ring 0161 439 1400.





