80 mm profile depth – to achieve narrow proportions while maintaining high thermal protection parameters,

low folds 117 mm – for more light in the room,

6 chambers in the frame, 6 chambers in the sash – to achieve high thermal insulation,

perimeter seals – to ensure reliable protection against drafts and moisture,

the heat transfer coefficient Uw is 0.77 W/m²K (for a reference window with dimensions 1230*1480 mm, Ug = 0.5 W/m2K),

V-Perfect weld as standard, ROTO NX fitting