High security low price rolling up balcony door

      1. UP to 95%transparent
      2. Crystal panes up to 300MM hight and 3 meters wide
      3. Up to 300 times more shatter resistant than normal glass
      4. Single channel doors up to 6 meters high and 5 meters wide
      5. Wide angle view crystal roll doors utilize a type of shatter resistant ,fire resistant ,UV protecting 3mm transparent polycarbonate (PC)core. We use specially designed horizontal  aluminum frames into which the PC pieces fit. Width of the pc panes increases slightly from top to bottom and special matal dege supports fix them properly. If the shutter is wider than 3.5 meters another set of frames can be added in the middle for more support.
      6. The shutter panels can be offered with drilled holes,or aluminum panels in place of PC panes.