Sunday, October 25, 2020
Unfortunately, we have seen the deterioration of part of our artistic-cultural heritage, but let’s look at the person associated with the variations in the microclimate of the place where the patrimonial good is in particular in closed environments such as the churches and cathedrals. In them, Christians and visitors have centuries ago, especially in cold areas, moisture conditions and unfavorable temperature. Although the moderate temperature is also enjoyed when heat is overwhelming. To make the most comfortable temples, heating systems were installed in many of them. Installation that causes problems in crafts, fresh, paintings, sculptures, etc.
For centuries the heritage of the temples has adapted to its interior microclimate, the natural fluctuations of which were small and slow, even for serious climates. These circumstances were drastically changed when it was decided to offer thermal comfort. This change generated problems with the cultural heritage of the interior of the temples, Damp related.
In these buildings, the walls and the surface and sometimes the roofs were hardly cleaned due to lack of maintenance. That is why it was common for the interior to register a high moisture index. With the heating it goes down considerably within one or two hours. This abrupt change of microclimate in such a short time has been an important source of deterioration.
To prevent it, sources of moisture were eliminated after some time. The most important was that of the substrate then There were cathedrals including water circulated. The other important problem was related to sudden temperature changes and thermal gradients caused by heights and poor heating designs. Especially those of air.
These two unfavorable conditions can cause internal and superficial tensions of the materials, both in the construction and in that of artworks. These generate the appearance of taking off, gorges, color changes, etc. Thermal fluctuations, together with moisture, also influence the cycles of solution, crystallization and rehydration of salts. Something very harmful to the artwork or for its structural materials.
The deterioration It also depends on the time that disruption takes. It is not the same in a temple that warms up for an hour, a few days a week, that another brings it three hours a day. For about 20 years, all temples of heating systems are in Spain with the aim of preventing the aforementioned microclimate changes to end the heritage are improved, supported by science. A specialty that also generates many jobs for conservatives and researchers.
