Our MDF Window Sill Board is primed white and available in various widths including 219mm (9 Inch), 244mm (10 Inch), 269mm (11 Inch), and 295mm (12 Inch). Constructed from high-grade, moisture-resistant MDF, this board is designed for long-lasting use and is ideal for doorways or windows, offering a contemporary finish. It features a bullnose pattern and a thickness of 25mm. The board is twice primed, sealed, and ready for final paint application. FSC Certified. Also available in a 350mm unprimed option. This window sill board offers a durable, high-quality solution for your interior needs, adding a modern touch to any room.