Supply of Roka-Therm XP 36,5 box in expanded polystyrene (EPS) for "Saxun" model roller blinds, with a density of +-30 Kg/m3 and minimum thermal transmittance of 1.48 W/m2K and acoustic insulation of 52 (-1,- 4) dB internally reinforced with a steel rod and lower aluminum profiles. Finished at each end with covers, plugs, shaft, bearings, and maintenance cover in abs plastic, in external, central, or internal position and sliding panel made up of large extruded aluminum slats. Rolling system on hexagonal galvanized steel shaft supported by PVC stops and mixed closure of treated steel springs for fixing the slats guided by a compatible guide. Possibility of installation with a plastic conveyor belt for manual activation by tape and reel, or motorized activation with a motor housed in the hexagonal shaft and activation by means of a button or wireless transmitter.