4 panel door rated to withstand 110 MPH wind load. See detail illustration below.
- Hinges – 11 Gauge
- Struts – 2″ – 22 Gauge – one strut per section (4 per door)
- Shaft – Hollow – 14 Gauge
- Torsion Springs (2 per door)
- Drums – 400-8 (Typically)
- Bottom Seal – Aluminum bottom retainer with seal
*1/4-20 serrated hinge bolts are provided with all door sections
Available in 2″, 12″ or 15″ radius with a 2″ x 2″ horizontal angle stiffener.
Double back hang at installation, clip style reverse angle vertical track.