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In the 18th century, the foundation stone for a successful company history was laid.
The originally very costly and laborious manual extraction of the natural product slate has now been transformed into an environmentally friendly and modern mining process through innovative and technically advanced methods.
Meanwhile, subsidiaries and sales organizations in many countries and regions are part of the group. Rathscheck Schiefer has developed into one of the most renowned market participants in Europe.
Cessation of the extraction and mining of Mosel slate in the Katzenberg mine. The geological situation made further profitable mining no longer possible.
New product: Rathscheck slate system makes slate covering faster, easier and cheaper
Outcrop 11th level (400 m depth) in the Katzenberg mine
Rathscheck Schiefer integrates the Spanish slate producer "Pizarras Castrelos, S.A." in El Barco de Valdeorras (Galicia) into the
New office, training and event building, Mayen-Katzenberg
2000 - 2010
2008 - 2010
Purchase Ponderosa quarry and other concessions
Rathscheck Schiefer integrates "Grupo Cafersa, S.L." based in El Barco de Valdeorras (Galicia), in the northwest of Spain, into the group;
Development of the facade system Symmetrical covering
Start of the development of the 10th level (354 m depth) in the Mosel slate mine Katzenberg
Development of new and modern cover types for facades; intensification of market cultivation in Eastern Europe
Outcrop 9th level (303 m depth) in Katzenberg mine
Introduction of the SCHIEFERDECKER-INFONETZ on the Internet
New products: ThermoSklent®, DrillSklent®, FixSklent
Intensification of Internet activities: Establishment of the most comprehensive website on the subject of slate on the Internet, focusing on benefits and service for roofers, specialist roofing dealers, architects and building owners
1986 - 1999
Strengthening of the activities Rathscheck France (InterSIN® Ardoises)
The production company I is established. B. Rathscheck Söhne KG, Moselschieferbergwerke, and Rathscheck Schiefer und Dach-Systeme KG, Mayen-Katzenberg, in which all national and international market activities are bundled
Foundation of the 100% Spanish subsidiary Rathscheck Pizarras S. A.
1904 - 1978
Rathscheck "survives" and also deals with foreign acquisitions (first building blocks, then roofing slate)
Big "slate mining death" in Germany
Acquisition of Rathscheck by the Werhahn Group, Neuss
300 N. Chr. - 1793
Foundation of the company Rathscheck by Johann B. Rathscheck
First mention of the brand name Mosel slate ("Mosler Leistein")
A lease agreement between the Archbishop of Trier and a citizen of Mayen proves that slate mining was already being carried out on the Katzenberg at that time (and earlier). The original document is in the state archive of Koblenz
Documentary evidence of Mayener Decksteinleyen at Katzenberg (Bruynsteyn / roofing slate of first choice)
300 n. Chr.
Archaeological finds in the 20's prove: Romans already won slate on the Katzenberg; since 1997 systematic excavations