IRC2024R703.12.3
Water-resistive barrier.
Original sourcePlain-English Explanation
Section R703.12.3 addresses water-resistive barrier.. This ensures exterior wall coverings are properly installed to protect your home from moisture, wind, and weather damage.
For the Contractor
Per IRC R703.12.3 (Water-resistive barrier.): install WRB per manufacturer specs, verify flashing at all transitions, and document installation before covering.