Wood Destroying Organism (WDO) Home Inspection 2025 – 400 Free Practice Questions to Pass the Exam

The identification of indicators of wood damage is crucial for recognizing potential issues that could compromise the integrity of a structure. Frass, hollow sounds in wood, and sawdust near wood structures are all clear signs of wood damage caused by pests such as termites or wood-boring insects.

Frass, which is the fecal matter of wood-destroying insects, often indicates an active infestation. Hollow sounds when tapping on wood suggest that the material is compromised, likely due to the presence of pests tunneling within. Similarly, sawdust found near wooden structures is a strong indicator of damage, usually indicating that insects are actively feeding on the wood.

In contrast, shiny surfaces do not typically denote wood damage. Such surfaces might be a result of polishing, coating, or the natural characteristics of the wood rather than any structural weakness or insect activity. Therefore, shiny surfaces are not considered an indicator of wood damage, making this the correct choice in this context.