Construction on which the investor used Thermo-FRAME, i.e. the so-called warm assembly. The entire frame system was assembled with the windows at a window installation company. Ready sets were delivered to the construction site where they were installed. The elements of the Frame system are Thermo-FRAME, a warm window sill, i.e. Thermo-SILL, Thermo-BEAM with an additional Thermo-FRAME above the Thermo-BEAM.