Can humidity go through walls?

Can humidity go through walls? Water vapor can move through walls, ceilings, and floors (the building envelope) of a home in following two ways: Air Infiltration: Moisture can be carried by air that transports it through holes or gaps in the built structure of a home. A great deal of moisture can be carried by such infiltration.

Water vapor can move through walls, ceilings, and floors (the building envelope) of a home in following two ways: Air Infiltration: Moisture can be carried by air that transports it through holes or gaps in the built structure of a home. A great deal of moisture can be carried by such infiltration.