Black Ash UPVC 3m x 9mm(4 Pack)Capping Board – Depth Options: 150mm to 300mm

Black Ash UPVC Capping Board – 9mm Thick, 3 Metres Long (4 Pack – Depth Options: 150mm to 300mm)

Give your window sills a bold, modern finish with this 4-pack of Black Ash UPVC Capping Boards. Perfect for covering up tired or damaged internal sills, these 3-metre trims offer a hassle-free upgrade with the sleek look of premium woodgrain – without the ongoing maintenance.

Each board is made from 9mm thick, durable UPVC and features a deep, realistic Black Ash woodgrain texture, complemented by clean white edges for a crisp, timeless contrast. Waterproof, wipe-clean, and easy to fit, they’re ideal for both residential upgrades and commercial projects.

Available in multiple depths to fit standard sill sizes:
150mm, 175mm, 200mm, 225mm, 250mm, 300mm

✔ Key Features:

✅ 4 x 3m Capping Boards – Ideal for multi-room or large-scale projects
✅ 9mm Thickness – Robust yet lightweight and easy to handle
✅ Depth Options – Choose from 150mm to 300mm to suit your needs
✅ Black Ash Woodgrain Finish – Sleek timber look with modern performance
✅ Quick Installation – Fix with grab adhesive or screws over existing sills
✅ Low Maintenance – No sanding, painting, or sealing required

🛠 Ideal For:

• Updating internal window sills with a contemporary wood-effect finish
• Covering up damaged or outdated timber sills
• Renovation, refurbishment, and new installations
• DIYers, contractors, landlords, and interior designers

Need fewer boards? Check out our 1 Pack and 2 Pack options.
Can’t find your size? Just reach out – we’re happy to help!