4 Crown G.R.P Garage Doors Garage doors in standard and made to measure sizes Featuring double skin construction with internal steel reinforcing. The flat backing conceals all bracings for a very neat interior finish in light reflecting white. Doors over 10' wide feature external white powder coated steel horizontal stiffeners to the rear of the panel for increased rigidity. Due to the double wall construction of these doors, no translucent window options are available. Available with canopy or retractable gear.
