Material Identification
Research focuses on analyzing the composition and origin of natural stone, brick and mortar to support art historical research, damage analysis, restorations and making informed material choices.
Through petrographic examination, the mineralogy, texture and possible cracking of stony materials are thoroughly mapped. This is of great importance in restoration projects, where unknown or obsolete materials are often encountered.
This detailed analysis not only allows the origin and properties of historic building materials to be determined, but also enables the thoughtful selection of suitable replacement or reuse materials – essential for a respectful and sustainable restoration or renovation.
Material properties
``The right material in the right place``
We investigate the physical and chemical properties of natural stone, brick and mortar. Consider parameters such as porosity, pore size distribution, water absorption and retention, and mechanical strength.
These data provide an important basis for better understanding damage processes, correctly matching restoration interventions to material behavior, or estimating the suitability of materials for reuse within construction projects.
Aging tests
To assess the durability of building materials, we subject natural stone, brick and mortar to controlled aging tests. We use both standardized methods and tests tailored to the project, such as frost loading and salt crystallization.
These tests provide insight into the behavior of materials under stressful conditions and are an important basis for damage assessment and making thoughtful choices in restoration design.
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1
Customized consultation and research plan
In consultation with the parties involved, we discuss the research question and the context of the project. Based on this, we establish a testing program tailored to the material type, the desired insights and the level of intervention feasible at the site.
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Sample
We take samples of natural stone, brick or mortar, taking into account the nature of the material and the research question. This can be via small fragments, drill cores or complete elements - in each case respecting the building and its heritage value.
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3
Testing and analysis
We perform the necessary measurements or tests: this can range from microscopic examination and physical-chemical characterization to frost tests or salt weathering tests. All tests are performed according to standardized or customized procedures.
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Reporting and advice
The results are compiled in a clear report with interpretation, visual documentation and practical recommendations. This provides a well-founded basis for further decision-making within restoration, monitoring or material selection.