Mold without moisture - is that possible?

Mold is generally always associated with moisture. Whether there is also mold without moisture, and what types of mold can occur or exist even without moisture, explained in detail this post.

Mold and moisture

Mold is always automatically associated with moisture or moisture. Moisture is considered the fundamental cause of mold. It is easier to say:

No moisture, no mold.

relativize

That's true but (unfortunately) only conditionally. A relative humidity in the room of around 80% can already be sufficient for certain structural conditions (eg thermal bridges) to cause humidity, so it does not have to be present in the first place and generate the quantities of water necessary for mold.

Water requirement of individual molds

The need for moisture (water) is different for each species of mold, some species need more, others less moisture.

mold spores

While mold for waxing and life necessarily requires sufficient moisture, this does not apply to mold spores - ie the "seeds" of the white horse. Spores can survive very long under very unfavorable conditions (drought). Once a sufficiently moist environment is available, the remaining spores can begin to turn into proliferating molds.

Kill mold by dehydration

If you remove any moisture from the mold, the current mold dies. As already mentioned, however, the mold spores live on and can survive in high numbers this period of drought. The mold is not permanently killed by dehydration. He can arise again at any time.

Ensure dryness

The affected areas must therefore be permanently provided with dryness. Only in this way is it possible to deprive the mold spores of any basis for their re-emergence. In most cases, structural and ventilation measures will be necessary to ensure that the affected area is never completely rewetted. Earlier construction errors must be completely and professionally eliminated.

Additional insulation

If thermal bridges are detected, they must be eliminated by appropriate insulation measures. For windows and frames you should also consider a seal, if necessary.

Additional measures

A number of additional measures can also be taken to deprive mold of not only water but also other livelihoods:

  • Paint with lime paint - it provides an alkaline climate on which mold can not live
  • possibly withdrawal of oxygen (where possible)
  • Disinfection or treatment of the affected areas
  • Killing the fungal spores

Further measures and important information can be found in our article Remove mold.

Tips & Tricks

Proper ventilation and constant control of air humidity in the room, especially in the vicinity of affected areas, are important measures for preventive mold control. The relative humidity in living spaces should generally not exceed 60%. It can be controlled with one or more hygrometers in the rooms..

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