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Sliding sash windows

Vertical Slider

Spectus' market leading Vertical Slider combines all the benefits of high performing modern materials and functionality with period character and design. Advanced technology and traditional design come together to create the perfect solution for period properties.


  • Fully featured Ovolo detail
  • Market leading product
  • Deep bottom rail option gives the authenticity of a timber box sash
  • 128mm Front to Back dimension ensures the Vertical Slider is suitable for traditional timber box sash replacement
  • Low line PCE glazing system
  • Tilt In facility allowing easy cleaning of the outside from the inside
  • Large and small sash options provide equal sightlines
  • Available with a Georgian Bar option for enhanced look aesthetics
  • Available with a choice of Cills
  • Available in White, Cream and a range of coloured woodgrain foil finishes
  • Manufactured to provide excellent weathering performance

Sliding sash windows are perfect direct replacements of your old wooden windows. Our sliding sash windows meet A B & C energy ratings and are of extremely high quality. Built to last, they come with a 10 year guarantee!!
Our windows look so good when fitted its hard to tell them apart from timber. Now available in woodgrain foils for the ultimate authentic look. We have a small range of hardware options available, please call us or drop pass to view.
Mock horn sash windows
Minster windows can provide you with a sliding sash effect without the added cost, our mock horn sash windows are what you need.
  • Both espag and shootbolt locking systems can be fitted
  • Standard shootbolt can be fitted without any additional machinery
  • Fully prepared kit includes:
  • Machined sash member
  • Injection moulded cover
  • All associated fixing brackets and screws
  • Dedicated reinforcement available in bar length for mechanical jointed bottom rail
  • Fully featured Mock Horn. Aesthetically pleasing joints
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