SLIDING SASH - spring sash windows
- Solid timber frame measuring 60mm wide outside and 40mm wide inside
- Springs are housed in the solid timber frame for best aesthetics
- This window slides up and down only, with restrictors as standard.
- Using the most reliable springs from Caldwell UK.
- U-Value = 1.3 W/m2K (Measured on Redwood items)
- Please let us know if you would like help finding an installer to assist with your project?