Outward opening wooden windows and balcony doors

Outward opening windows and balcony doors are different products. The frame of the balcony doors is wider and the door has an oak threshold. The number in the product’s name describes the frame thickness: the 60 mm frame fits a double glazed glass unit and the 78 mm frame a triple glazed one."Classic" is a rustical profile.The letters BD mark Balcony Doors.