The Eurocell 25mm Soffit Starter Trim (J Trim) is used to create a clean, secure fixing point where soffit boards meet the wall. It forms the starting channel that supports the soffit edge, keeping boards straight, aligned, and properly retained once installed.
 
Suitable for use with flat, vented, or hollow soffit boards, this trim is an essential part of a professional roofline installation. It ensures a tidy wall-line finish and helps prevent movement or sagging across the soffit run.
 
Manufactured by Eurocell from durable, low-maintenance uPVC, the trim is designed to withstand long-term exposure to the British climate without warping, twisting, or discolouring. It cuts cleanly, fixes easily, and integrates seamlessly with the wider Eurocell fascia and soffit system.
The trim is available in White and a range of foiled woodgrain and solid colour finishes, allowing it to match modern and traditional roofline designs alike. Once fitted, it requires no painting or treatment and only occasional cleaning to maintain appearance.
Key Features
✔ 25mm uPVC soffit starter trim (J Trim)
✔ Creates a secure wall-side channel for soffit boards
✔ Suitable for flat, vented, and hollow soffit systems
✔ Keeps soffit edges straight, neat, and supported
✔ Eurocell-manufactured for system compatibility
✔ Low-maintenance and installer-friendly
✔ Supplied in 5m lengths
 
Colour & Finish Options
This product is available in:
White (smooth finish)
Foiled finishes, including Anthracite Grey, Black Ash, Chartwell Green, Golden Oak, Irish Oak, Rosewood, and Agate Grey
All foiled variants are colour-matched to Eurocell fascia, soffit boards, and trims for a consistent roofline finish.