Problems Caused by Thermal Bridges around Windows of Historic Buildings and Renovation Methods

Abstract

Preserving the old forms and structural details in case of renovation of buildings is a primary issue. The structure of traditional wooden windows, as eyes of the building, defines the character of the facade, the street view and also influences the character of the whole townscape. With the new building energy regulations energy awareness became conspicuous, which is current requirement during the energy crisis of the XXI. century at national and international levels as well. This paper investigates all the renovation or replacement methods of historic windows should be considered.