Heritage Box Sliding Sash

(14 mm Krypton Glass)

For historic and period buildings, to preserve their unique character with particular attention to detail is of utmost importance.

Our Heritage Sliding Sash windows are designed to suit listed buildings whilst providing energy efficient benefits.

Additional Features of This Window System

  • Slim 14mm Double glazing unit (filled with Krypton Gas) with approx 5mm glass sight lines, sprig fixing under putty to fix the glass, approx 7 to 8 mm glazing rebate
  • Externally Glazed with True putty glass sealing outside to match originals and painted over for further sealing
  • Slim Georgian bars at 18 or 20mm with separate glass units
  • Slim 30mm Midrails
  • Slim 135mm inside to outside frame thickness
  • Our standard is Engineered European Redwood, or Hardwood (Oak or Sapele) to reduce possibility of bending/warping, or optional whole timber elements if preferred
  • Standard is Brush painted, or sprayed if preferred
  • Concealed gasket system to prevent rattles and leaks
  • Deep Bottom Rails
  • CE Marked EN 14351-1 2006+A1:2010
  • U-Value = 1.5 W/m2K (Measured on Redwood items)
  • Square end traditional Pulleys and Weights
  • Fitch fasteners,
  • D-Handles
  • Lifting Hooks
  • Child Locks/ Extra Security available
  • Arched or swept heads or arched frames
  • Custom horn designs

For any additional options & customization, feel free to contact us.