SLIDING SASH WITH SPRING BALANCES
- 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.
- U-Value = 1.3 W/m2K (Measured on Redwood items)
* Tilting top&bottom, and uneven split variants available.
White or RAL factory painted and glazed products are guaranteed for 10 years against timber rot and structural integrity. Factory stained & glazed products are guaranteed for 6 years against timber rot and structural integrity.