Collection: Thermowood Windowsill

Add strength and style to your interior with our Thermowood Windowsill Collection, made from heat-treated hardwood for exceptional durability and resistance to moisture. The thermal modification process enhances the natural wood grain and gives each piece a rich, dark tone that doesn’t fade over time. Perfect for modern and traditional interiors, these windowsills remain stable in changing temperatures and humid conditions. Each sill is finely sanded and ready for protective oil, wax, or lacquer. Choose a solution that combines timeless aesthetics with long-lasting performance.