FBC2023R703.14.1.1.2

Under windows and top of walls.

Original source

Plain-English Explanation

Section R703.14.1.1.2 addresses under windows and top of walls.. This ensures exterior wall coverings are properly installed to protect your home from moisture, wind, and weather damage.

For the Contractor

Per IRC R703.14.1.1.2 (Under windows and top of walls.): install WRB per manufacturer specs, verify flashing at all transitions, and document installation before covering.