North Carolina Building Contractor License Practice Exam

What is the fire class rating of metal shingles?

1. 13 inches

2. 24 inches

3. 32 inches

4. 48 inches

The correct answer is: 32 inches

The fire class rating of metal shingles is typically classified based on their ability to withstand fire exposure and their performance in preventing the spread of flames. The correct answer indicates that metal shingles have a fire class rating at 32 inches. In practical terms, this means that metal shingles have been tested and are rated for their fire resistance up to a specified distance of 32 inches from a source of ignition. This rating is crucial for ensuring safety and compliance with building codes, as it helps to assess how materials will behave in the event of a fire, giving homeowners and builders confidence in using them as roofing materials. This classification is important for distinguishing them from other roofing materials that may have different fire resistance ratings. Understanding these ratings is essential for choosing appropriate materials that meet safety standards, particularly in areas prone to wildfires or where fire safety regulations are more stringent.