double glazed sash windowsA sash window is made of one or more movable panels or sashes that form a frame to hold panes of glass which are often separated from other panes or lights by narrow muntin bars.

Although any window with this style of glazing is technically a sash, the term is used almost exclusively to refer to windows where the glazed panels are opened by sliding vertically, or horizontally in a style known as a vertical sliding sash.

Sash windows have become extremely popular in many parts of the world in the past 2 decades, none more than here in the UK.

white-upvc-sash white-upvc-vertical-sliding-sash-inc-georgian-bars Arched Head uPVC Double Glazed Sash White uPVC Vertical Sliding Sash

Lincolnshire based, Spire Window Systems Limited is renowned for manufacturing and installing some of the finest quality vertical sliding, double glazed, PVC sash windows in the UK.

  • Traditional style, classic looks.
  • Replace original sash windows with designs that don’t jam or rattle.
  • Period looking
  • Combine historic character with modern technology

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