Coastal and Floodplain Construction Inspector's Practice Exam

Which construction material requires only cosmetic repair after flood exposure?

1. Standard concrete

2. Flood damage-resistant material

3. Plywood

4. Gypsum board

The correct answer is: Flood damage-resistant material

Flood damage-resistant materials are specifically designed to withstand exposure to water and minimize the impact of flooding. These materials often have properties that prevent water absorption and mold growth, making them resilient in situations where flooding occurs. After exposure to floodwaters, they typically require only cosmetic repairs, such as cleaning or paint touch-ups, rather than complete replacement. This is a crucial factor in environments prone to flooding, as using appropriate materials can significantly mitigate the financial and logistical burdens associated with damage repairs. In contrast, standard concrete can suffer from structural damage and may require significant repairs after exposure to flooding, depending on the severity. Plywood, while versatile and used in many applications, does not hold up well when exposed to water and usually needs replacement if it gets soaked. Gypsum board, such as drywall, is particularly susceptible to water damage and typically must be replaced if it comes into contact with floodwaters, as it can become weak and moldy. Hence, flood damage-resistant materials stand out as the preferred choice for minimizing repair efforts post-flood.