• Depending on the size and glass weight, the following ventilation units are available: Handopener, Spindle opener 230 V (24 V on request) and Chain-driven push opener 230 V - also available as hidden chain push drive incl. concealed cable guide (24 V on request).
• Sun protection: Internal through safety tie bars, external through outside “deciduous tree.
• Small space ventilator, wind and rain sensor, and wireless remote control of sun protection and ventilation motor. Options for roof access with gas spring for double and triple glazing available.