Window sills are sometimes known as internal window boards. They are a functional part of a viewing area to ensure support for the glazing and frames. If you need a window sill then we stock a wide range to ensure you can provide customers with just what they need, we have primed or painted and also options in different materials.
Solid American Walnut Window Sill Board Double Rounded Edge (L) 2400mm x (W) 200mm x (T) 22mm
Windows4You Irish Oak Woodgrain uPVC Capping Board (L) 2m x (W) 300mm x 9mm Fascia & Window Sill Cover, Pack of 4
Solid oak window sill with lip bulnose (L) 2400mm x (W) 300mm x (T) 22mm
Solid American Pine Window Sill Board Double Rounded Edge (L) 2000mm x (W) 290mm x (T) 22mm
Solid Oak Window Sill Board Double Rounded Edge (L) 2400mm x (W) 200mm x (T) 22mm
Windows4You White uPVC Capping Board (L) 2m x (W) 225mm x 9mm Fascia & Window Sill Cover, Pack of 2
National Skirting Full Round MDF Window Board- 300mm x 18mm x 3040mm, Primed
Windows4You White uPVC Bullnose Window Sill Cover (L) 2m x (W) 240mm Rounded-Edge Cill Capping Board, Pack of 2
Window Sill Cover Board Plastic uPVC Window Cill Capping (L)1.25m (W)200mm (T)9mm
Solid oak window sill with lip bulnose (L) 900mm x (W) 300mm x (T) 22mm
Windows4You White uPVC Capping Board with End Caps - Fascia & Roofline Cover - (L) 1.5m x (W) 200mm
Windows4You Black Ash Woodgrain uPVC Capping Board with End Caps - Fascia & Roofline Cover - (L) 1.25m x (W) 175mm
Solid Oak Window Sill Board Double Rounded Edge (L) 1500mm x (W) 300mm x (T) 22mm
National Skirting Full Round MDF Window Board- 350mm x 18mm x 3040mm, Primed
Rounded Window Sill Cover Board Plastic uPVC Window Cill Capping (L)1.25m (W)260mm (T)9mm
Windows4You White uPVC Capping Board (L) 1.75m x (W) 250mm x 9mm Fascia & Window Sill Cover, Pack of 2
Windows4You White uPVC Capping Board (L) 2m x (W) 200mm x 9mm Fascia & Window Sill Cover, Pack of 1
Rounded Window Sill Cover Board Plastic uPVC Window Cill Capping (L)5m (W)240mm (T)9mm
National Skirting Bullnose MDF Window Board - 250mm x 18mm x 3040mm, Primed
Window Sill Cover Board Plastic uPVC Window Cill Capping (L)1.25m (W)225mm (T)9mm
National Skirting Full Round MDF Window Board- 140mm x 18mm x 3040mm, Primed
Window MDF Sill Board (12") 295mm x 25mm x 3.6m.
Windows4You White uPVC Capping Board (L) 1.75m x (W) 175mm x 9mm Fascia & Window Sill Cover, Pack of 1
National Skirting Full Round MDF Window Board- 400mm x 18mm x 3040mm, Primed
Solid African Sapele Hardwood Boards Windows Sill With Double Rounded Edge (L) 2000mm x (W) 150mm x (T) 22mm
National Skirting Full Round MDF Window Board- 140mm x 25mm x 3040mm, Primed
Veneered MDF Sill Board 9" (220mm x 25mm x 2.4m)
MDF Window Board (L)1000mm (W)219mm (T)25mm
Windows4You Anthracite Grey Woodgrain uPVC Capping Board with End Caps - Fascia Cover - (L) 1.5m x (W) 300mm (Pack of 2)
National Skirting Full Round MDF Window Board- 195mm x 18mm x 3040mm, Primed
Solid American Pine Window Sill Board Double Rounded Edge (L) 1100mm x (W) 290mm x (T) 22mm
Window Sill Cover Board Plastic uPVC Window Cill Capping (L)1.25m (W)250mm (T)9mm
Windows4You White uPVC Capping Board (L) 2m x (W) 250mm x 9mm Fascia & Window Sill Cover, Pack of 2
uPVC Bullnose Window Board, Internal Window Sill Capping, White Finish, 100mm Width x 1m Length
Rounded Window Sill Cover Board Plastic uPVC Window Cill Capping (L)1.25m (W)240mm (T)9mm
Rounded Window Sill Cover Board Plastic uPVC Window Cill Capping (L)5m (W)260mm (T)9mm
Windows4You White uPVC Capping Board with End Caps - Window Reveal & Soffit Trim - (L) 1.5m x (W) 100mm (Pack of 2)
MDF Window Sill Board 1.8m (1800mm) x 245mm x 25mm
Windows4You White uPVC Capping Board (L) 1.75m x (W) 250mm x 9mm Fascia & Window Sill Cover, Pack of 1
Solid oak window sill with lip bulnose (L) 2000mm x (W) 200mm x (T) 22mm
Rounded Window Sill Cover Board Plastic uPVC Window Cill Capping (L)1m (W)210mm (T)9mm
Solid oak window sill with lip bulnose (L) 1500mm x (W) 300mm x (T) 22mm
Windows4You White uPVC Capping Board (L) 2m x (W) 250mm x 9mm Fascia & Window Sill Cover, Pack of 1
MDF Window Sill Board 1.5m (1500mm) x 219mm x 25mm
Windows4You White uPVC Capping Board (L) 3m x (W) 225mm x 9mm Fascia & Window Sill Cover, Pack of 2
MDF Window Sill Board 0.6m (600mm) x 294mm x 25mm
Natural MDF Rolled edge Window board, (L)2.1m (W)494mm (T)18mm
Solid oak window sill with lip bulnose (L) 1500mm x (W) 200mm x (T) 22mm
Showing 48 of 1,163 products
