Moisture mapping is a process of identifying areas of high moisture content within a building or structure. This information can be used to identify potential problems such as water leaks, mold growth, or structural damage. Moisture mapping is often used in conjunction with other diagnostic techniques to determine the cause and extent of moisture problems.
Acceptable Moisture Levels for Internal Walls
The acceptable moisture content for internal walls varies depending on the type of wall construction, the climate, and the age of the building. However, a general guideline is that the moisture content of internal walls should be below 15%.
Moisture levels that are too high can lead to a number of problems, including:
- Mold growth
- Mildew
- Rot
- Structural damage
What Should Moisture Readings Be for Internal Walls?
The moisture content of internal walls can be measured using a variety of methods, including:
- Moisture meters
- Hygrometers
- Relative humidity sensors
Moisture meter readings should be taken at multiple locations on the wall, and the results should be averaged to get an overall moisture content reading. The following table provides a general guide to acceptable moisture levels for internal walls:
| Wall Type | Acceptable Moisture Content |
|---|---|
| Plasterboard walls | 5-10% |
| Solid plaster walls | 10-15% |
| Timber-frame walls | 15-20% |
If the moisture content of an internal wall is above the acceptable range, it is important to identify and address the source of the moisture problem. This may involve repairing leaks, improving ventilation, or installing a dehumidifier.