Take stock of the humidity of your home
Moisture problems in a home (molds, damp walls, mushrooms...) always have a particular origin, they can come from inside as from outside. To better treat them, we must first know their origin.
There are six main causes of moisture:
Roof infiltrations, made possible by slate or broken or broken tile, bring wet damages that appear along the walls on interior materials.
Façade infiltrations, caused by cracks or porous walls also let in moisture. They appear on the outer walls of your home.
Malfunctions, and more particularly the bad evacuation of the water in the circuits, as the leaks of the channels and the gutters contribute to the humidification as well as to the degradation of your habitat.
Condensation of the air, charged with water vapor that turns into steam due to poor aeration or ventilation, usually causes mold and fungus on the walls, not to mention the detachment of wallpaper.
The porosity of the materials (hydraulic plaster, facade cladding, terracotta tile, etc.) maintains a zone of artificial moisture that infiltrates the walls and also causes mold, peeling of wallpaper, fungi and other blisters.
The capillary liftswhen the water in the soil rises up into the walls, absorbing it like a blotter, which produces a lot of damage such as buckling, crumbling or mold, not to mention the saltpetre produced by the mineral salts left on the surface.
Diagnose the type of moisture.
There are different ways to diagnose the humidity of a home.
You can first measure it using a hygrometer and perform various tests to see where the moisture is coming from.
Locate the capillary lifts.
If the humidity is continuous along the walls, that all neighboring houses are built in the same type of materials and are also subject to moisture, it is very likely that you are facing a problem of capillarity.
Locate the condensation.
To check if there is a phenomenon of condensation, simply tap a square of aluminum on the wall, wait two days and then look at what side formed the drops of water. If they are on the side of the room, it is indeed condensation. If they are listed on the wall, there must be a malfunction elsewhere. If there are drops on both sides, then you are faced with both problems at the same time.
Check the flows and the gutters. Also check the lines, seals and valves by closing all faucets and other water supplies, and make sure the meter does not turn. If it turns, it means that there are leaks.
For a more precise and complete diagnosis, do not hesitate to call on professionals.