Skip to content
Free UK Mainland Delivery on All Orders Over £10
Free UK Mainland Delivery on All Orders Over £10

Internal Window Boards

Window boards are internal UPVC window 'cills'. These are beautifully finished round-edged boards that will give any room a contemporary feel. And to finish off we have the perfect end caps too, in matching colours.

  • Original price £1.04 - Original price £1.04
    Original price
    £1.04
    £1.04 - £1.04
    Current price £1.04

    Universal Trim

    Trade Superstore Online

    Product description Seamless finish with the joint trim added to the designer range. Longer lead times apply.

    Original price £1.04 - Original price £1.04
    Original price
    £1.04
    £1.04 - £1.04
    Current price £1.04
  • Original price £1.00 - Original price £1.00
    Original price
    £1.00
    £1.00 - £1.00
    Current price £1.00

    Joint Trim

    Trade Superstore Online

    Product description Seamless finish with the joint trim added to the designer range. Longer lead times apply.

    Original price £1.00 - Original price £1.00
    Original price
    £1.00
    £1.00 - £1.00
    Current price £1.00
  • Original price £0.88 - Original price £0.88
    Original price
    £0.88
    £0.88 - £0.88
    Current price £0.88

    End Cap

    Trade Superstore Online

    Product description End Caps to perfectly finish your new deisgner window cill. Longer lead times apply.

    Original price £0.88 - Original price £0.88
    Original price
    £0.88
    £0.88 - £0.88
    Current price £0.88
  • Original price £1.10 - Original price £1.10
    Original price
    £1.10
    £1.10 - £1.10
    Current price £1.10

    Short Window Board End Caps

    Trade Superstore Online

    The perfect end caps to finish off your UPVC window boards. Product description Window boards are internal UPVC window 'cills'. These are beauti...

    View full details
    Original price £1.10 - Original price £1.10
    Original price
    £1.10
    £1.10 - £1.10
    Current price £1.10
  • Original price £44.39 - Original price £44.39
    Original price
    £44.39
    £44.39 - £44.39
    Current price £44.39

    420mm Double Window Board in White x 5m

    Trade Superstore Online

    Beautifully finished round-edged boards that will give any room a contemporary feel.

    Original price £44.39 - Original price £44.39
    Original price
    £44.39
    £44.39 - £44.39
    Current price £44.39
  • Original price £20.91 - Original price £32.45
    Original price
    £20.91 - £32.45
    £20.91 - £32.45
    Current price £20.91

    Window Board in White

    Trade Superstore Online

    Beautifully finished round-edged boards that will give any room a contemporary feel. Product description Window boards are internal UPVC window ...

    View full details
    Original price £20.91 - Original price £32.45
    Original price
    £20.91 - £32.45
    £20.91 - £32.45
    Current price £20.91
  • Original price £1.05 - Original price £7.89
    Original price
    £1.05 - £7.89
    £1.05 - £7.89
    Current price £1.05

    Laminated Window Board End Cap

    Trade Superstore Online

    Product description LAMINATED WINDOW BOARD END CAP 

    Original price £1.05 - Original price £7.89
    Original price
    £1.05 - £7.89
    £1.05 - £7.89
    Current price £1.05
  • Original price £1.88 - Original price £1.88
    Original price
    £1.88
    £1.88 - £1.88
    Current price £1.88

    Long Window Board End Caps in White

    Trade Superstore Online

    Product description Add the right finishing touches to your roofline project with our range of finishing trims. Technical specifications Si...

    View full details
    Original price £1.88 - Original price £1.88
    Original price
    £1.88
    £1.88 - £1.88
    Current price £1.88
  • Original price £144.56 - Original price £144.56
    Original price
    £144.56
    £144.56 - £144.56
    Current price £144.56

    900mm Window Board 4.1mm

    Trade Superstore Online

    Product description 600mm Window Board Boston Concrete 4.1mm Desinger window boards are internal UPVC window 'cills'. These are beautifully fini...

    View full details
    Original price £144.56 - Original price £144.56
    Original price
    £144.56
    £144.56 - £144.56
    Current price £144.56
  • Original price £127.52 - Original price £127.52
    Original price
    £127.52
    £127.52 - £127.52
    Current price £127.52

    900mm Window Board 3mm

    Trade Superstore Online

    Product description 600mm Window Board Boston Concrete 3mm Desinger window boards are internal UPVC window 'cills'. These are beautifully finish...

    View full details
    Original price £127.52 - Original price £127.52
    Original price
    £127.52
    £127.52 - £127.52
    Current price £127.52
  • Original price £65.78 - Original price £67.92
    Original price
    £65.78 - £67.92
    £65.78 - £67.92
    Current price £65.78

    600mm Window Board 4.1mm

    Trade Superstore Online

    Product description 600mm Window Board Boston Concrete 4.1mm Desinger window boards are internal UPVC window 'cills'. These are beautifully fini...

    View full details
    Original price £65.78 - Original price £67.92
    Original price
    £65.78 - £67.92
    £65.78 - £67.92
    Current price £65.78
  • Original price £65.78 - Original price £67.92
    Original price
    £65.78 - £67.92
    £65.78 - £67.92
    Current price £65.78

    600mm Window Board 3m

    Trade Superstore Online

    Product description 600mm Window Board Boston Concrete 3m Desinger window boards are internal UPVC window 'cills'. These are beautifully finishe...

    View full details
    Original price £65.78 - Original price £67.92
    Original price
    £65.78 - £67.92
    £65.78 - £67.92
    Current price £65.78
  • Original price £65.78 - Original price £65.78
    Original price
    £65.78
    £65.78 - £65.78
    Current price £65.78

    300mm Window Board 4.1m

    Trade Superstore Online

    Product description 300mm Window Board Boston Concrete 4.1m Desinger window boards are internal UPVC window 'cills'. These are beautifully finis...

    View full details
    Original price £65.78 - Original price £65.78
    Original price
    £65.78
    £65.78 - £65.78
    Current price £65.78
  • Original price £53.02 - Original price £53.02
    Original price
    £53.02
    £53.02 - £53.02
    Current price £53.02

    250mm Window Board 4.1m

    Trade Superstore Online

    Product description 250mm Window Board Boston Concrete 4.1m Desinger window boards are internal UPVC window 'cills'. These are beautifully finis...

    View full details
    Original price £53.02 - Original price £53.02
    Original price
    £53.02
    £53.02 - £53.02
    Current price £53.02
  • Original price £46.62 - Original price £46.62
    Original price
    £46.62
    £46.62 - £46.62
    Current price £46.62

    225mm Window Board 4.1m

    Trade Superstore Online

    Product description 225mm Window Board Boston Concrete 4.1m Desinger window boards are internal UPVC window 'cills'. These are beautifully finis...

    View full details
    Original price £46.62 - Original price £46.62
    Original price
    £46.62
    £46.62 - £46.62
    Current price £46.62
  • Original price £46.62 - Original price £46.62
    Original price
    £46.62
    £46.62 - £46.62
    Current price £46.62

    200mm Window Board 4.1m

    Trade Superstore Online

    Product description 200mm Window Board Boston Concrete 4.1m Desinger window boards are internal UPVC window 'cills'. These are beautifully finis...

    View full details
    Original price £46.62 - Original price £46.62
    Original price
    £46.62
    £46.62 - £46.62
    Current price £46.62
  • Original price £46.62 - Original price £46.62
    Original price
    £46.62
    £46.62 - £46.62
    Current price £46.62

    180mm Window Board 4.1m

    Trade Superstore Online

    Product description 180mm Window Board Boston Concrete 4.1m Desinger window boards are internal UPVC window 'cills'. These are beautifully finis...

    View full details
    Original price £46.62 - Original price £46.62
    Original price
    £46.62
    £46.62 - £46.62
    Current price £46.62
  • Original price £40.24 - Original price £40.24
    Original price
    £40.24
    £40.24 - £40.24
    Current price £40.24

    150mm Window Board 4.1m

    Trade Superstore Online

    Product description 150mm Window Board Boston Concrete 4.1m Desinger window boards are internal UPVC window 'cills'. These are beautifully finis...

    View full details
    Original price £40.24 - Original price £40.24
    Original price
    £40.24
    £40.24 - £40.24
    Current price £40.24
  • Original price £49.46 - Original price £50.27
    Original price
    £49.46 - £50.27
    £49.46 - £50.27
    Current price £49.46

    200mm Laminated Board x 5m

    Trade Superstore Online

    Product description Window boards are internal UPVC window 'cills'. These are beautifully finished round-edged boards that will give any room a ...

    View full details
    Original price £49.46 - Original price £50.27
    Original price
    £49.46 - £50.27
    £49.46 - £50.27
    Current price £49.46
  • Original price £44.39 - Original price £44.39
    Original price
    £44.39
    £44.39 - £44.39
    Current price £44.39

    420mm Double Window Board in White x 5m

    Trade Superstore Online

    Product description Window boards are internal UPVC window 'cills'. These are beautifully finished round-edged boards that will give any room a ...

    View full details
    Original price £44.39 - Original price £44.39
    Original price
    £44.39
    £44.39 - £44.39
    Current price £44.39