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Types of mold

It is estimated that there are around 250,000 mold species worldwide, of which only 100,000 have been specifically identified so far. Only a few of these molds are responsible for damage to the building fabric and furnishings or health consequences for the residents in apartments and houses. Black mold, green mold, and white mold are most common in living spaces. But the yellow mold and the red mold are also relevant. These, in turn, are partly caused by different types of mold.

In order to multiply, molds need moisture and nutrition. The mold covers this nutrient substrate with a cotton wool-like coating. With a little time, such large colonies of fungi can develop. The fruiting body of the mold is responsible for the respective color. In order to determine the different types of mold, the color, structure and growth of the mold are used.

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Die Entstehung und die Gefahren von Schimmel an Wänden
Diagramm über die Schimmelarten

Types of mold at a glance:

Arten von Schimmelpilz wie z.B. Schwarzschimmel erkennen

Occurrence and identifying features of the most common types of mold in living spaces

Recognize the right mold in the house:

Mold test to determine the types of mold

The manifestations of the individual types of mold are not always clear. Color, consistency and shape can vary and it is easy to mix them up. The color of the mold cannot provide sufficient information about the health risk either. Exactly which mold it is can only be clarified by a trained specialist and a laboratory analysis. Only the result of the analysis provides the necessary information for the further procedure and necessary remedial measures.

In practice there are several methods of determining the specific type of mold using a mold test. First, a sample is taken to identify the mold in the house. There are several ways to take this sample. The procedure also depends on whether the mold is visible or there is suspicion of mold spores in the air. A distinction is made between contact samples, material samples, dust samples, adhesive film or contact samples, room air samples, sedimentation, particle accumulation and MVOC measurement. Sometimes several methods are used in parallel in order to create a report with certainty. The samples are then examined in the laboratory.

Mike Hahn, state-certified construction technician and expert for moisture and mold damage: “Whether and how dangerous a mold infestation actually is can be precisely analyzed with the help of air or material samples in the laboratory. The mold concentration in the indoor air can be measured with CFU / m³ (colony-forming units per cubic meter of room air). “

Conclusion – types of mold

Types of mold in living spaces are differently dangerous. Black mold in particular is often found indoors and can be responsible for mold allergies and numerous other diseases. If mold is discovered, the specific type should be clarified by means of a mold test in order to derive the further procedure and remedial measures. Contact us if you want to clearly identify the mold in the house.


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