An inspector is reviewing the roof drainage system of a commercial building. The roof area is 10,000 square feet. According to section R907.3 of the 2021 IBC, what is the minimum required slope for the roof?
- A1/4 inch per foot
- 1/2 inch per foot
- C3/4 inch per foot
- D1 inch per foot
Exam tip
Be familiar with the minimum slope requirements for roofs to ensure proper drainage and prevent water damage.
Why B is correct
The correct answer is 1/2 inch per foot, as per section R907.3 of the 2021 IBC. This section specifies the minimum required slope for the roof to ensure proper drainage. The other options are incorrect as they do not meet the code requirements.