Schloss Weissenstein

The palatial country house Schloss Weissenstein in Pommersfelden in Bavaria was designed for Lothar Franz von Schönborn, Prince-Bishop of Bamberg and Archbishop of Mainz, to designs by Johann Dientzenhofer and Johann Lukas von Hildebrandt. The famous "Marstall" (luxury stable) had been designed by Maximilian von Welsch. Weissenstein, built as a summer residence, remains in the Schönborn family.

The castle was built between 1711 and 1718 from the local Burgsandstein and Schilfsandstein (sandstone) materials. [ "Partner 5: IABM" (examination of "Schloss Weissenstein"), EU-Project Contract ENV4-CT98-0707 (water-repellent biocide), July 6, 2000, webpage: [http://www.sci.port.ac.uk/ec/partner5.htm AcUK-Partner5-Weissenstein] .] Schloss Weissenstein is located in a rural area in southern Germany, which does not have industrial air pollution. During a restoration of the castle in 1977, the mortar joints were repaired using lime-cement-mortars, and large areas of the facade were then consolidated and treated hydrophobically using silicone products. In November 1998, some treated and untreated mortars were sampled by three scientific partners of the University of Hamburg, to compare the microbial colonisation and to enrich and isolate microorganisms from the silicone treated material.

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