Water infiltration and condensation are the main problems that cause mold. Depending on where it appears, the source of the infiltrations and problems that allow condensation must be identified and solved.
To avoid these problems, a room must be designed from the beginning so as to prevent risks. If mold appears anyway, the defect is probably caused by poor initial insulation or lack of provision in relation to environmental conditions. Sometimes the reason can also be related to leaking pipes or cracks in the roofing materials that allowed the water to infiltrate and affect the indoor environment.
A house may also deal with a more complicated problem – the capillary infiltrations, which have to do with the humidity coming from the soil, in which case sanitation, insulation and sealing works are extremely important. Condensation, on the other hand, may occur in any poorly heated, uninsulated or uninhabited home, because, as you probably know, it is formed at the contact between a cold surface and water vapor.
Poor ventilation in a room can also be the cause of mold formation, but this problem is easier to fix, even if there are no windows; fans or air conditioners can do a good job.
If you want to be sure that the mold will not appear again, once you think you`ve got rid of it, you should leave its removal to the mold removal pros, because the evaluation of the reasons that led to the appearance of the mold is complex, and the treatment can be the same, especially in severe cases of contamination.