Extra hood Thermal insulation (Termocover)
Patented hood in "over-foil 311" reflective insulation, which allows to obtain a certified thermal transmittance of the entire retractable ladder box equal to 1.1 W/m2K. [Giordano Institute calculation report N° 311270]
Extra remote control for opening and closing or possibility of setting up opening and closing via push-button panel (“dead man” function)
