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UPVC window board and window sill in square edge and bullnose styles. A wide range of colours and sizes available in 5 metre lengths.
Replacing a wooden internal window-sill with a new internal upvc window-sill.
Well-mounted external window sills protect the façade and walls against water stains and moisture. Among external window sills defines: Steel windowsills – during production used the highest quality steel sheet.
Enhance the aesthetic of your internal windows with our range of window boards. Acting as internal window sills, these round-edged boards add contemporary elegance to any UPVC installation. Team with end caps in matching colours complete a seamless look.
At windows24.com we offer one window sill made from uPVC as well as two Werzalit boards made from sustainable wood. As the most affordable option, uPVC is particularly low-maintenance and insulating thanks to its innovative structure and smooth customisable UV-resistant, watertight surface.
WINDOWS UPVC Window Sills, Ledges, Trims & Accessories. Window sills, also referred to as internal window boards or window sills, play a vital role in providing structural support to the glazing and frames within your viewing area. Guaranteed performance, minimal maintenance, and 11 on-trend colours, including white ash and oak.
On windows24.com, you can configure a resilient uPVC window board or choose a strong material combination of pressed wood. This allows for sills with a width of up to 550 mm. With a window board this wide – and a few cushions for comfort – you can easily turn the space into a cosy window nook.
