IRC2018R703.8.1
Interior veneer support.
Original sourcePlain-English Explanation
Section R703.8.1 addresses interior veneer support.. This ensures exterior wall coverings are properly installed to protect your home from moisture, wind, and weather damage.
For the Contractor
Per IRC R703.8.1 (Interior veneer support.): install WRB per manufacturer specs, verify flashing at all transitions, and document installation before covering.