Bal­cony doors at a low thresh­old can be done in the win­dows of var­i­ous thick­nesses, as well as the his­toric win­dows. Wher­ever too nar­row width does not per­mit the instal­la­tion of a low-​threshold slid­ing HS The advan­tage of this solu­tion is the low threshold.

Fot. Bal­cony doors at a low threshold

Other non-​standard solutions