WIDTH = WINDOW MEASUREMENT + 5 CMS ON EACH SIDE
HIGH CEILING INSTALLATION:
Ceiling height at the end of the window + 5 cm
HIGH WALL INSTALLATION
Window height + 15/20 cms on the top + 5 cms on the inside
WIDTH = WINDOW MEASUREMENT + 5 CMS ON THE FREE SIDE
WIDTH = TOTAL HOLE MEASUREMENT - 0.5 CMS ON EACH SIDE