Roll-A-Door® Series 3 Squareline
Roll-A-Door® Series 3 Squareline 
- Smooth, Quiet Operation
- Precision Springing
- Consistent Balance
- Bottom Weatherseal
- Wide range of colours
- Large range of options
Benefits
- Prevents penetration of moisture and dust, thereby minimising the chance of corrosion
- Strong, while providing an attractive appearance
- Ideal solution for openings with sloping floors
- Added protection against dirt, leaves and weather
- Provides a profile match for situations where small and large openings are next to each other
Operational Effort
- Nylofelt® is used to minimise friction at the working surface.
- Delivers continuous smooth, quiet operation.
- Minimal effort and without so much as a touch of lubricant.
- Direct Drive gearing assembly provides low operating effort.
Industrial Specifications
Secure Locking
- Locks are located at waist height internally at the left hand side as standard (inside looking out)
- No bending required to unlock doors
- Ensured security
Easy Opening
The gearing assembly is mounted inside the door roll to minimise side clearance requirements and with its no maintenance, low friction characteristics, provides low operating effort to open and close very large doors. Features include:
- Doors up to 2400mm high can be operated by hand without the need of chain wheel equipment
- Doors between 2400mm and 3050mm use efficient direct chain drive
- Ease of single handed operation.
- Balanced loading and withstands very high overload forces without ill effects
