Humber/Ontario Real Estate Course 3 Exam Practice

Which function is NOT performed by the foundation of a building?

1. Supporting the weight of the structure

2. Being a retaining wall for soil

3. Preventing frost from affecting stability

4. Providing a base for construction

5. Reducing groundwater penetration

6. Lowering sound transmission

The correct answer is: Reducing groundwater penetration

The foundation of a building primarily serves to support the weight of the structure, distribute loads to the ground, and provide stability to prevent settlement or shifting. Among its various functions, one important aspect is resisting the forces of nature, including frost action, which can destabilize a structure if not adequately addressed. The choice regarding reducing groundwater penetration is not a direct function of the foundation itself, as while foundations are designed to manage moisture and provide some barrier to groundwater, they are not primarily intended to act as a waterproofing solution. Rather, external systems like drainage, landscaping, and site grading are typically utilized to control groundwater flow around the foundation. In contrast, functions such as supporting the structure, acting as a retaining wall for soil, preventing frost heave, providing a solid base for construction, and mitigating sound transmission are integral to the foundation’s role in ensuring the building's integrity and performance. Each of those is critical to maintaining stability, safety, and comfort within the structure.