- Multi- Chambered 3.25" Steel reinforced uPVC Frame
- Fusion Welded Frame and Sash corners that will not gap apart over time increasing strength and durability.
- Continuous weather-stripping around sashes for maximum air and water tightness.
- 'Easy Glide' roller assembly on sashes for ease of operation.
- Water resistant locks
- Central interlocking system for increased security and tightness
- Removable sliding screens for easy cleaning.
- Available with both 'Single' and 'Double' glazing options