Windows or French windows proposed in sliding version from two to eight casements and in version with brick partition from one to six casements. Composed of profiled out of aluminum with rupture of thermal bridge. Door frame levelling for the nine and the restoration. Track out of aluminum, stainless steel or polyamide. Sealing ensured by joint brushes out of polypropylene with central board. Accept a double glazing to 24,8 multipoint Misters Verrouillage by lock.