Theoretical part’s opening describes brief history of manufacturing of windshields and glass in general. Further in this part, key parameters and additional features are described as well as manufacturing processes of a modern windshield. Moreover, homologation procedure is clarified. The main focus of this thesis is technical description of typical damage of car’s windshield and investigation of its root causes, which may help to reveal insurance fraud. The thesis also outlines alternative way, which can be used to recover damaged windshield or, if necessary, to replace it.