Rolling grille from flat material (dimensions 16/18/20/13 x 4 depending on width of grille), standard = straight honeycomb, single bars are connected with special hinges.

Designation in steel galvanized, aluminium or stainless steel.

Rolling grilles are manufactured for high frequencies.

Airing approx. 78 %.

Bottom bar as angle 85/55 mm steel galvanized or extruded aluminium bottom bar.

at least 1% of rolling shutter width, either made of galvanized steel or aluminium with PVC-panel

made of steel and dimensioned according to curtain width and weight with bearings on brackets on both sides

1. keroll spring shaft drive (hand-operated)

2. Electric drive with shaft mounted gear unit or tube drive

Further necessary safety equipment depending on use