Why Do Walls Sweat?

Sweaty walls happen when there is not sufficient insulation. Like condensation on a pitcher of ice water, condensation happens when the walls are cold, and the air is warm. The problem is that condensation on walls can cause mold growth.

Why Do Walls Sweat?

Walls sweating, known as condensation, is a common problem in homes. It’s caused by warm, moist air in contact with cold surfaces, such as walls, windows, and doors. When this happens, the water vapor in the air condenses and forms droplets on the walls. This can lead to water damage, mold growth, and other problems. It’s essential to understand why walls sweat and how to prevent it.

The cause of walls sweating is pretty simple. When warm, moist air comes into contact with a cold surface, such as a wall, the water vapor condenses and forms droplets on the surface. This is the same process that causes dew to form on the ground in the morning. The colder the surface, the more likely it is to sweat.

The most common cause of walls sweating is poor insulation. This is especially true in older homes, where insulation may be insufficient or nonexistent. This leads to the warm, moist air inside the house coming into contact with the cold exterior walls and causing condensation. Older homes may also have inadequate ventilation, worsening the problem.

Another common cause of wall sweating is inadequate humidity control. When the humidity in the

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