• Certificates for roofing slate in accordance to the EN 12326-1,2. The official institution for this certification would be the Geotechnical institute of the Technical University Bergakademie Freiberg.

  • Investigation of rocks/slate (petrography, mineralogy, physical properties, strength...)

  • Writing expertises in case of damages or a customer compliant

  • Mining consultancy (exploration, assessment of qualities ...)

  • Safety calculation and dimensioning



My partner comprise laboratories, institutes and experts from different fields such as dimension stone, geology and geotechnic. My professional structure allows me to work also on larger and more complex topics.




Dr.-Ing. Jörn Wichert [Diplomgeologe]

Erlenstr. 13

01097 Dresden

Tel. +49 - 351 810 69 00



Due to the spam, I inserted my e-mail address as a jpeg-image withouth linking.


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