Course "Renovation of box-type windows" in Autumn 2016
Due to some requests we plan to organize another course on the subject "Renovation of box-type windows in Autumn 2016.
Planned course contents are among others:
If you are intereseted in participating or just want to be updated on time and more details please contact us via email. Subject: "course box-type windows" and send your request to contact@grat.at .