An attic ventilation system is being installed in a residential attic. What is the minimum ventilation area required per square foot of attic space?
- A1 square foot
- B1.5 square feet
- 2 square feet
- D2.5 square feet
Exam tip
Be familiar with the attic ventilation requirements to ensure compliance with the code and to maintain a healthy living environment.
Why C is correct
According to Section P2910.1 of the 2024 International Residential Code, the minimum ventilation area required per square foot of attic space is 2 square feet to ensure proper attic ventilation and to prevent heat buildup and moisture issues.