### How much moisture is OK in walls?
Moisture Mapping is a diagnostic tool that can help you determine the moisture content of your walls. By understanding acceptable moisture levels, you can take steps to prevent damage to your home.
**Acceptable Moisture Levels**
The acceptable moisture content of a wall varies depending on the material it is made of. Generally, a moisture content of less than 15% is considered acceptable. However, some materials, such as brick, can tolerate higher moisture levels up to 20%.
**Causes of Excessive Moisture in Walls**
Excessive moisture in walls can be caused by a variety of factors, including:
* Leaks
* Condensation
* Flooding
* Poor ventilation
* Humidity
**Effects of Excessive Moisture in Walls**
Excessive moisture in walls can lead to a number of problems, including:
* Mold and mildew growth
* Rot and decay
* Structural damage
* Health problems
**Preventing Excessive Moisture in Walls**
There are a number of steps you can take to prevent excessive moisture in your walls, including:
* Fix any leaks
* Increase ventilation
* Control humidity
* Install a vapor barrier
* Waterproof your basement
**If you suspect that you have excessive moisture in your walls, it is important to contact a qualified professional for inspection and repair.**