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In order to prevent the humidity from the bathroom from passing to the floor below, it is essential to carry out an anti-humidity treatment on the floor above. Usually the bathrooms in buildings coincide one above the other, which is why it often happens that the humidity from the bathroom above passes to the one below, to avoid this, a waterproofing with mortar is carried out and it is reinforced with paint. Falow__ ???? https://plus.google.com/+edtag10¿