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The humidity rate or hygrometry test measures the percentage of humidity floating in the ambient air. Testing the humidity level of a house is a technique performed following a strong condensation on the windows or facing damage to the walls (saltpeter, mold, crack...). This test is essential to establish a complete diagnosis in order to quickly take the necessary measures.

Hygrometer, a specific professional tool

For the reliability of the test, it is advisable to call on a specialist in the field. However, it is possible to measure the humidity level yourself using a hygrometer that exists in two versions: mechanical and electronic.

In any case, the use of this device does not replace the intervention of a professional. An expert has state-of-the-art equipment to perform the test under optimal and reliable conditions. The professional can also collect sample (plaster, paint, wood...) to analyze and establish an even more accurate diagnosis.

How is the hygrometry test in a house?

The specialist measures the humidity level in the targeted parts. It can test the wall, the floor or the ceiling by using an ultra-precise electronic humidity tester (hygrometer). The humidity level is entered immediately and appears on the screen. A good professional goes to all rooms and also inspects the roof and ventilation (VMC) without forgetting to probe the facade.

You must know that the ideal humidity level is between 45% and 65%. This rate varies according to the ambient temperature of the room and the thermal insulation. Excessive hygrometry can cause health problems (allergy, eye irritation, cough...) and cause various problems such as the appearance of mold or the proliferation of mites. On the other hand, too low humidity dries the mucous membranes and increases the presence of dust.

Why call a professional?

Testing the humidity level of a home itself creates the risk of making a misdiagnosis. A bad report can aggravate any problems related to the construction or insulation of the house. Moreover, a neophyte will not know the difference between a problem caused by water infiltration or by capillary rise. Only a professional can make the distinction. Finally, the moisture diagnosis performed by a professional is usually free. You must then have a detailed estimate drawn up to carry out any necessary work.


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