This profile has a three-chamber structure with the structural depth sections 77 mm (frames) and 86 mm (sash).
Profiles made in Softline 68 system are available in three types of wood: meranti 450+, pine and larch.
Profiles have a three-chamber structure with the installation depth - 70 mm (frames) and 79 mm (sash), with a thermal break made of poliamyde and reinforced with fiberglass . Furthermore, for MB-70HI system, inside the profiles and in the space under the glass, are aplied special insulating inserts.