Ezi-roll “Aluminium Roller Shutter” Ezi-90 Ali or equal approved. Refer to drawings for locations.
90mm x 1.4mm Aluminium extrusion. Alternative aluminium sections are fitted with nylon end clips to reduce friction. Running in 100mm x 38mm extruded guides. Clear Anodised or Powdercoat finish.
For openings up to 4.5mtre high and 8mtrs wide.
Provide 6.5mm diameter perforation holes at 9mm centres.
Provide from 160mm x 60mm to 600mm x 60mm vent slots at determined spacing required in the roller shutter. Slotting may include polycarbonate backing panel to reduce foreign particle entrance.
165mm or 229mm Spiral drum rotating on a heavy duty shaft fitted with helical springs to counterbalance the door in accordance with the manufacturers specifications.
Roller Shutter can be either manually operated or motorised depending upon size requirements.
The perforation will provide a maximum of 32% free air flow per lineal metre of slat. The 160mm x 60mm slotting will provide a maximum of 38% free air flow per lineal metre of slat. The 600mm x 60mm slotting will provide a maximum of 55% free air flow per lineal metre of slat.