A large number of developers nowadays insulate building facades using mineral wool. Such use of the material is sometimes accompanied by some unpleasant phenomena, for example, an increase in the volume of the facade and the falling off of the insulation boards.
Similar problems arise most often due to the climatic characteristics of the region in which the house is located. This is especially true for areas where the weather is often cool and humidity is observed. It is these factors that cause the detachment of mineral wool.
Similar problems can be observed when repairing pipelines. This is due primarily to the reliability of the pipes, the climate of the region and soil characteristics. Therefore, mineral wool is often used for pipe insulation.
If you neglect such insulation, then at the very first frost with the pipes serious problems can arise. This will entail undesirable financial costs, emergency repairs, shutdown of heating and other negative aspects. To avoid all this, you should use only high-quality mineral wool, which also fully complies with current standards and environmental safety requirements.
When the slabs of mineral wool fall off the wall, do not immediately blame the worker who pasted the insulation. Not all builders know for what work and climatic conditions the mineral wool is intended. All varieties of heat-insulating wool are hygroscopic, and for mineral wool this is especially true.
The moisture contained in the air during freezing starts to freeze and accumulate on the insulation fibers. The ice formed in the first warm spring days begins to melt and, as a result, is absorbed into the material in the form of numerous droplets of water. After a certain period of time, humidity reaches its critical minimum.
Mineral wool gradually worsens, as a result of which, under its own weight, it simply begins to slide off a damp wall. That is why such material was originally banned as insulation for housing, especially if it was a question of external walls. It was allowed to use mineral wool only for thermal insulation of pipeline technological systems.
According to climate scientists, in regions with an average daily humidity of 70–80% and its maximum on some days with an indicator of 100% you can not use any kind of mineral wool, as the effect of this will be only one: constantly wet walls and mold in apartments.
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