Flashing Code Requirements in North Carolina

Coastal areas subject to long-term erosion and storm-induced shoreline retreat. Construction setbacks and erosion-resistant foundation design may be required.

State with significant severe hail frequency per NOAA SPC storm reports. Insurance restoration contractors should document pre-existing hail damage and recommend impact-resistant materials.

Entire state east of I-85 corridor is hurricane-prone per NC Building Code. Basic wind speed 115-180 mph depending on location.

FEMA-designated flood zones throughout NC. Extensive riverine and coastal flooding risk. State participates in NFIP.

Numerous National Register historic districts and locally designated landmarks throughout NC. Major districts in Wilmington, Asheville, Charlotte, Raleigh, Durham, Winston-Salem, New Bern.

Most of NC is Seismic Design Category A or B. Eastern NC coastal plain areas may be Category C due to soil conditions.

DOD TIP Zone 1 (Very Heavy) — highest probability of subterranean termite infestation. IRC Section R318.1 requires termite protection measures for all wood structures.

State within or adjacent to the tornado corridor. NOAA SPC data confirms significant tornado frequency. Enhanced structural requirements apply per IRC R301.2.1.2.