London 4-panel Double Glazed External Doors
- Double glazed four panel external doors.
- Grey polyester powder coated finish.
- Sunken threshold for level access.
- Traffic door.
- Contemporary glass handle.
Benefits of Frameless Slide & Stack Doors
- The only bifolding door with no visible vertical mullion for the best views
- Full security and weather certification – the ideal exterior patio door
- Patented glass edges to your door panels, unlike any other glass unit.
- Low 5mm weather rated threshold.
- Excellent U-Values to help lower your energy bills
