Vertical Sliding Sash Window System

Product features

  • U-values as low as 1.4 W/m²K
  • Acoustics up to 37 dB
  • Choice of 24, 28, 36, 40 and 44mm glazing options
  • Mechanically jointed deep bottom rail option
  • Whether bar and Georgian Bars options
  • Run-through or screw-on horn options
  • Secured by Design approved
  • PAS 24 as standard
  • Description

    Our Vertical Sliding Sash Window System remains at the forefront of the industry today because its classic good looks enhance heritage properties and add understated style to modern ones.

    The market leading Vertical Sliding Sash Window System has all the features of a traditional box sash timber window and is widely accepted for use by conservation officers in heritage and listed buildings. It offers all the safety, security and thermal efficiency benefits of a modern-day PVC-U window with a choice of welded or mechanically jointed options.

    Every detail has been considered and the result is a window that offers outstanding authenticity and thermal performance with no compromise.