Inward opening wooden windows and balcony doors

Inward opening windows and balcony doors are technically similar products; the difference is that the dimensions of the balcony doors are equal to doors.
The number in the product’s name describes the sash thickness: the 68 mm window sash fits a double glazed glass unit and the 78 mm window sash a triple glazed one. "Softline" is an angular profile and "Classic" a rustical profile. "Retro" is a rustical profile with timber water drips.