Stains and mildew

Do you have brown, green or black stains on your walls? You clean them and they come back? It's mold, without a doubt. Fungi that develop according to the humidity level and temperature. They will pollute the air you breathe in your home and make it unhealthy.

This is why you must be particularly attentive to the presence of bad odors. If they are unpleasant on a daily basis, they usually indicate a humidity problem and in particular the presence of mold, algae or bacteria... Nasty odors are often synonymous with unhealthy air and dangerous for your health.

Other fungi can also develop because of the moisture problem, including merula. If you have moisture in a basement where papers or wood are stored, then you have the perfect breeding ground for merula.

White marks on the walls indicate the presence of saltpeter, also called stone salt. You see small, white, seemingly harmless crystals on the surface. The saltpeter you see forming whitish lines and halos on the wall is actually the tip of the iceberg.

If humidity has started to weaken the structure of your house you can see exterior coatings that are crumbling and falling apart or, even worse, you can notice cracks appearing. The longer you wait, the more the humidity attacks the structure or allows the development of mold and saltpetre...