In order to improve the energy performance of the home, it is good practice to insulate the exterior walls utilizing a compound insulation system or with a rear ventilated facade system.
 
Exterior insulation of a massive wall
Exterior insulation of a massive wall
 
Air tight window cill
Air tight window cill

External insulation avoids reducing the internal area of the rooms and also doesn’t require any special internal rearrangements of living spaces in case of renovation. Since the airtightness and moisture management of massive walls is provided through the final interior rendering, it is highly recommended to take a closer look at the details like the window frame to wall junctions, cable and pipe penetrations, or the roof connection points. Airtightness can significantly increase the living comfort level if it is properly executed.

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Overview of solutions for massive walls with external insulation

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