Roll-A-Door Series 3 Squareline is a strong, reliable industrial rolling door. It has a smooth and quiet operation, with precision springing and consistent balance. The bottom weatherseal prevents penetration of moisture and dust, thereby minimising the chance of corrosion. No bending required to unlock doors as locks are located at waist height internally. Doors between 2400mm … Continue reading Roll-A-Door Series 3 Squareline