Bamberg-Benediktbeuern

Fact Sheet Case Study Bamberg / Benediktbeuern

Country Germany
City Benediktbeuern
District Benediktbeuern
Climate Continental climate (Dfb) with cold winters and warm summers
Type of building Benediktbeuern Monastery is one of the oldest in upper Bavaria, its roots going back to 8th century AD. The “Alte Schäfflerei” of the monastery, as the building under investigation is called, belongs to the former craftsmen court of the monastery. The two storey building with massive stone walls owns a baroque roof with a special hanging column construction in the first floor, which yields a column free ground floor area.
Year of Construction 1758/1759
Use of building Monastery
Classification Listed
Type of intervention Building refurbishment: insulating mortar for indoor and outdoor application
Suitability of intervention The selection of the building was made according to specific requirements, such as substrate, poor level of insulation, orientation and insulated windows, in order to better evaluate the performances of the mortar. The application of the product was possible only of the complete removal of the product is guaranteed and the original situation of the building is restored after the demonstration period. Prior to the mortar application, a substrate protector was used. The product is suitable both for indoor and outdoor application and is compatible with a wide range of historic buildings typologies, mainly characterised by porous substrates, as stone and brick.
Scope of intervention To evaluate the applicability, workability and reversibility of the product in real conditions and to measure the energetic improvements.
Installation requirements The mortar can be applied in a conventional way. To have a good adhesion existing plaster should be removed or treated with commercial products. If the wall is not flat, the mortar should be applied in two cycles.
Monitoring Energy consumption and environmental conditions will be compared before and after the intervention. The monitoring system comprises air and surface temperature, humidity sensors, heat flux and radiation.
Pictures


Description

The Old Town of Bamberg is a unique and well-preserved example of a basic central European medieval structure. The site comprises a complex of three population centres: Bergstadt (Mountain City), Stadtinsel (City Island) and Gartenstadt (Garden City).

For the research activities in EFFESUS originally a part of the old city has been selected to test the new insulating mortar for external and internal application. This mortar will be compatible with a wide range of historic buildings typology, mainly characterized by a porous substrate, as natural stone and brick masonry. The new mortar will be lime based, as lime mortar is compatible with a wide range of historic buildings. It should be suitable for both indoor and outdoor applications, as in cases where mortar is not applicable on the external surfaces, the mortar should be applicable indoor and should not require special tools or machines.

However, due to various reasons during the course of the project, it was decided to test the mortar in the “old cooperage” of the monastery in Benediktbeuern, a site close to the Bavarian Alps. The listed building is perfectly suitable for research purposes because of its function as a demonstration building for the Fraunhofer Center for Conservation and Energy Performance of Historic Buildings, where technical innovations and traditional implementations for historic buildings are tested.

The new focus in the historic district of Bamberg will be on the conduction of a mayor local stakeholder workshop with owners in the last year of the project.

The Bamberg/Benediktbeuern case study is coordinated by the EFFESUS partner FRAUNHOFER.

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