YES Vertical Sliding Sash Windows

The YES Ultimate Vertical Sliding Sash window is our most authentic uPVC sash window. The Ultra-Slim 35mm midrail, seamless construction and true mechanical joints provide an unmistakably classic solid timber look and feel. This sash window was one of the very first uPVC sash windows to be cleared for use in conservation areas. You get all that careful craftsmanship, historic detailing, and vintage appeal with all-round exceptional performance of twenty-first century uPVC.

YES Vertical Sliding Sash Windows

  • Seamless technology throughout
  • True mechanical joints
  • “A” Rated thermal efficiency
  • Zero maintenance
  • Independently tested sound insulation
  • More cost effective than standard soft or hard wood
  • Run-through sash horn
  • Authentic woodgrain finish
  • Traditional globe claw furniture
  • Ultra-slim sightlines, including 35mm meeting rail
  • Authentic surface-mounted astragal bars in a range of period designs
  • Tilt facility for easy cleaning
  • Accepted in many conservation areas
  • Supply the YES Vertical Sliding Sash Window in any RAL colour