- insect screen in a metal-frame, installed with clamps outside the sash
- interior window sills – of laminated timber or MDF
- jamb extensions – extends the frame to match the precise thickness of a wall
- exterior window sills – of zinc or aluminium
- claddings
- ventilation shutters with an outer wooden jalousie
- an option to connect two or more windows together
- intermediate and corner posts
- an option to produce windows without grooves for interior and exterior window sills (useful when the window reaches the floor, when the kitchen’s countertop joins together with the window sill, etc.); both of the grooves are already there in the standard solution
- shutters

- The Aru 68 type window frame allows installing additional seals and SWS (plastic) spacers in order to break the cold bridge at the edge of the glazing.

NB! All of the extras are supplied only together with the windows.