FBC2023R703.3.5
Siding clearance at wall and adjacent surfaces.
Original sourcePlain-English Explanation
Section R703.3.5 addresses siding clearance at wall and adjacent surfaces.. This ensures exterior wall coverings are properly installed to protect your home from moisture, wind, and weather damage.
For the Contractor
Per IRC R703.3.5 (Siding clearance at wall and adjacent surfaces.): install WRB per manufacturer specs, verify flashing at all transitions, and document installation before covering.