Folding system
- System for various ventilation holes up to 450 cm high and 50 m long
- Upper tube: 50 mm aluminium with string sleeve
- Lower tube: 0.5″ galvanised tube in hem
- Drive: Ø1″ tube with bearings, galvanised steel, with wire drums
- Side or centre drive mechanism
- Assortment of 5 ventilation screens
- 4 types of wind covers
- Closing upwards
- Storm barrier made of 1″ tube, galvanised steel.
- When using an electric control with potentiometer, the cover will open and close every 24 hours, and then return to the start opening.