Possibility to choose between three wooden profiles: 68mm, 78mm, 88 mm in three types of wood: three- or four-layer solid square timber: meranti 450+, pine and larch.
Aluminum profile with a thermal break and installation frame depth 174mm and sash depth – 77mm, optionally available in HI version with special insulating inserts inside the section and the space under window panes.
Possibility to choose between profiles 68mm, 78mm and 88 mm, in three types of wood: three- or four-layer solid square timber: meranti 450+, pine and larch.
7-chamber original profile of the frame is made exclusively of prime material in A-class with sash depth 82mm and frame depth 194mm; maximal sash weight up to 400 kg.