Once around the cathedral in 30 years
Modern stone restoration techniques
20/09/2023by Erich Pummer
Only available in German.
![](/site/assets/files/4146/westwerk_insitu_vakuumkonservierung_wasserspeier.jpg)
Gargoyle at the Westwerk: in-situ vacuum preservation
![](/site/assets/files/4147/ep_am_sudturm-v2.jpg)
Erich Pummer at the top of the south tower
![](/site/assets/files/3608/jujgdu_kir_12.jpg)
West facade previous state, fully restored northern section, southern section before restoration
Files
In 30 Jahren einmal um den DomTechnologies
Laser Cleaning
Vacuum Conservation Method