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Dry rot - recognize and eliminateReal dry rot is one of the most destructive parasites that can infest a house.
According to experts, around 200 million euros are spent every year in Germany alone for the remediation of damage caused only by real dry rot.
That real dry rot is so dangerous, you can also tell by the fact that he is known to the Civil Code and here is considered a significant Baumangel. Furthermore, there is a duty to notify the relevant building authority if in a house True dry rot was detected. Household sponges can be so damaging that the entire statics of a house is impaired. This makes it clear how important it is to detect dry rot and eliminate it accordingly.
How can you recognize dry rot?
Dry rot is fortunately very easy to distinguish from other mold fungi that can appear in a house. First and foremost, the dry rot is a wood-destroying fungus that only attacks deadwood. As a rule, the dry rot grows over several years in secret, e.g. in cavities, until the first fruiting bodies are visible on the masonry, it usually takes a few years.
Exactly this fruiting body is also the first indication of dry rot, which can be recognized very well. This dry rot is very flat and mostly brownish colored. Furthermore, he has a white and felty edge. If such a fruiting body in
a very damp room, e.g. in the basement, then you can usually see on the top even small drops of water.
Furthermore, a whitish-gray aerial mycelium is to see, which is very similar to cotton wool. It wets the masonry and the wood and collapses in a draft or even a light touch.
Is dry rot good?
True dry rot feels most comfortable when the wood moisture is between 30 and 50 percent and temperatures of 17 to 22 degrees Celsius are given. If the temperatures are above 26 degrees Celsius or if the fungus does not have enough water to supply itself, then it stops its growth.
However, the danger is not yet banned, because in this dry rigidity, he can easily survive up to ten years. As conditions change, it starts to grow again.
As mentioned, the dry rot mainly affects wood. But he can also grow on the plaster, on the masonry and on old concrete and cause destruction here as well. Furthermore, other cellulosic materials such as e.g. Particleboard, fiberboard, paper and textiles are often affected by domestic sponges.
Effectively eliminate dry rot
Just as aggressive as the dry rot is the work to eliminate it. Most of the time, you do not have to worry about extensive remediation of the affected areas, and you also have to make sure that the causes for their development are rectified.
This is often associated with extensive renovation work, which should be carried out in any case by a specialist in mold removal. It is usually not sufficient to simply replace the affected wood or renew the plaster in affected areas.
In the worst case, entire walls have to be torn down and rebuilt again. Not to mention taking measures to remedy the causes. Since moisture in the masonry usually means a leak of the basement walls or the floor slab of a house, also here draining and sealing work should be carried out so that it really remains in the removal of dry rot.