During a renovation project, the existing exterior walls of a commercial building are being replaced. The walls are being constructed with a wood frame and an exterior insulation and finish system (EIFS). According to section R703.1 of the 2021 IBC, what is the minimum required thickness of the EIFS?
- A1/2 inch
- B3/4 inch
- C1 inch
- 1 1/2 inches
Exam tip
Ensure you are familiar with the specific code requirements for EIFS thickness to avoid non-compliance.
Why D is correct
The correct answer is 1 1/2 inches, as per section R703.1 of the 2021 IBC, which specifies the minimum required thickness of EIFS for exterior walls. The other options are incorrect as they do not meet the code requirements.