Thermal bridge in the area of window parapet due to non-insulated window sill

Thermal bridge in the area of composite slabs due to lacking insulation

Building physics test by infrared thermography (all photos above)

Analysis of weak points before the refurbishment

Building physics tests
Blower Door measurements on the windows

Air exchange:
Stock n50 value:
5.2 bis 8.7 h-1
Target n50 value: 1.5 h-1

Closed loggia door not sealed airtight (proof by means of anemometer and mist)