40 Hour Property and Building Inspection Practice Test

What are the typical failure modes for clay tiles?

1. Cracking or spalling

2. Bowling or rusting

3. Pitting or peeling

4. Warping or flaking

The correct answer is: Cracking or spalling

Clay tiles are commonly used in roofing and flooring applications, and they are subject to specific failure modes due to their material properties and environmental exposure. One of the primary concerns with clay tiles is cracking or spalling, which can occur due to several factors, such as thermal expansion and contraction, freeze-thaw cycles, and physical impacts. Cracking refers to the development of fissures or breaks in the tile, which can compromise its structural integrity and lead to water infiltration. Spalling involves the flaking or chipping of the tile surface, typically as a result of water absorption followed by freezing temperatures. Both of these failure modes can significantly reduce the lifespan of clay tiles and affect the aesthetics and functionality of the installation. Other failure modes listed, like bowling or rusting, are not applicable to clay tiles, as these issues are more relevant to different materials such as metals. Similarly, pitting or peeling is generally associated with coatings or finishes rather than the intrinsic properties of clay tiles, and warping or flaking may pertain to other materials susceptible to moisture or thermal movement. In summary, cracking and spalling specifically highlight the typical vulnerabilities of clay tiles, making this choice the most accurate in reflecting their common failure modes.