40 Hour Property and Building Inspection Practice Test

How can excessive moisture be managed to prevent foundation lifting?

1. By allowing more water accumulation

2. Through proper drainage systems

3. By planting more vegetation

4. By minimizing water sources

The correct answer is: Through proper drainage systems

Managing excessive moisture is crucial in preventing foundation lifting, as excessive moisture can lead to the soil expanding and contracting, which creates pressure on the foundation itself. Employing proper drainage systems is an effective approach to directing water away from the foundation and reducing moisture levels in the soil surrounding the structure. A well-designed drainage system includes features such as gutters, downspouts, and French drains that capture and divert water. This helps to prevent water from pooling around the foundation, minimizing the risk of soil saturation that can lead to heaving and instability of the foundation structure. While minimizing water sources and managing vegetation can also play a role in moisture control, simply altering those aspects may not be as effective as installing a comprehensive drainage system. Proper drainage directly addresses the water movement and buildup, making it the most efficient solution for managing moisture levels and protecting the foundation.