Material and construction:
Outer frame is extruded aluminium section (6063 alloy-T6 temper) cut to length and joined at corners
Blades are made of extruded aluminium section (6063 alloy-T6 temper)
Front blades are xed horizontal type having pitch of 38mm
Front blades are xed rigidly to main frame at 45 by Aluminium rivets.
As the blades are inclined downwards, rain water entry in prevented.
These louvers provide 45% effective pressure area.
OPTIONAL
Louvers may be supplied with Aluminium or Gl bird screen
Louvers may be supplied with opposed blade damper at customer’s request.