Florida Building Code Practice Exam

When the clear height of an attic space is over 30", what is the minimum interior access opening size required?

1. 18" x 24"

2. 20" x 30"

3. 20" x 36"

4. 22" x 36"

The correct answer is: 20" x 30"

The minimum interior access opening size required when the clear height of an attic space exceeds 30 inches is 20 inches by 30 inches. This requirement is established by the Florida Building Code, which ensures that there is sufficient access for maintenance and inspection of attic spaces. The specified dimensions are significant because they provide enough room for a person to navigate safely into the attic area, accommodating various tasks such as insulation checks, light fixture installations, or any necessary repairs. Proper access dimensions are essential for ensuring both safety and compliance with the code, as inadequate openings could pose risks during maintenance work or limit access to critical areas. In this context, the other sizes given do not meet the minimum specified requirement, which is why they would not be the correct choice.