- 68mm frame, opens via a centrally fixed pivot hinge, which rotates the opener
- Allows easy cleaning from inside
- Externally glazed as standard but we can do internal glazing if preferred for this system
- U-Value = 1.4 W/m2K (Measured on Redwood items)
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.