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Surface treatments for the conservation of historic brick masonry

The European Commission, DG XII, has published a report on the "Evaluation of the performance of surface treatments for the conservation of historic brick masonry". This is the seventh research report in the series on protection and conservation of European cultural heritage, ...
The European Commission, DG XII, has published a report on the "Evaluation of the performance of surface treatments for the conservation of historic brick masonry". This is the seventh research report in the series on protection and conservation of European cultural heritage, and outlines the results of a project funded by the EU's Environment and Climate programme.

The project aimed to assess the performance of surface treatments for the conservation of masonry monuments, to evaluate the risks of failure and damage, and to develop methods for the prediction of performance. To address these objectives, an evaluation of surface treatments currently applied to historic brick masonry, in conjunction with laboratory studies, was carried out. The project covered three European countries, comprising a total of 60 case studies, and was the first research of this kind to be carried out on a large scale.

As well as a paper presenting the overall results of the project, the report includes nine further papers presenting in more detail the results in the most important fields covered by the project:

- The attitude of governmental bodies and local authorities towards the use of surface treatments;
- The assessment of the performance of surface treatments in the field;
- Consumption and impregnation depth of surface treatments;
- Measurement techniques;
- Fourier transformation-infrared applications for the identification of silicone-based water repellent agents on water-treated bricks;
- Crystallization tests on treated and untreated wallettes;
- Performance and artificial ageing in the laboratory;
- The influence of water repellent and consolidating treatments on the drying process in brick and mortar;
- A probabilistic model for the service life prediction of masonry and masonry materials.

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