The Eurocell 450mm Black Ash Fascia Internal Corner Trim is designed to create a clean, accurate finish at internal 90-degree corners where fascia or capping boards meet. It’s an essential finishing piece that keeps internal corners straight, aligned, and visually consistent across the roofline.
Manufactured from durable, low-maintenance uPVC and finished in a Black Ash foiled surface, this trim delivers the appearance of painted timber without the need for painting, sanding, or ongoing treatment. It resists warping, cracking, and surface deterioration, making it suitable for both new builds and roofline refurbishments.
Designed to colour-match Eurocell Black Ash fascia and capping boards, this double ended internal corner trim ensures a seamless, professional finish. Installation is quick and straightforward once the fascia runs are in place, helping installers achieve a tidy internal corner without extra effort.
✔ Eurocell Black Ash fascia internal corner trim – 450mm
✔ Designed for neat internal 90-degree corner joints
✔ Timber-effect Black Ash foiled finish
✔ Durable, low-maintenance uPVC construction
✔ No painting, sanding, or sealing required
✔ Designed to colour-match Eurocell Black Ash fascia systems
✔ Quick and simple to install
 
Practical insight (why it matters)
Internal corners are where poor alignment shows first. Using a proper internal corner trim keeps fascia lines straight and avoids awkward cuts or visible gaps. It’s a small component, but it makes a big difference to how clean and intentional the finished roofline looks—especially on extensions and returns where internal corners are clearly visible.