FORTIFIED standard (IBHS)
A voluntary construction standard, certified by an institute funded by US insurers, that strengthens roofs and openings against high winds and whose effect on claims has been measured.
Mitigation runs into a proof problem: the homeowner pays for the retrofit today, and the benefit only shows at the next hurricane, if it comes. The FORTIFIED standard, designed by the Insurance Institute for Business and Home Safety, makes that benefit verifiable. It sets precise requirements (roof attachment, secondary water barrier, resistance of openings), and each home is inspected and then certified by an independent evaluator, which gives the insurer reliable information about the building rather than a mere statement. Alabama, followed by other Gulf Coast states, funds compliant retrofits and requires insurers to recognize the certification in their rates. The standard thus ties physical adaptation to the price of risk.
After Hurricane Sally struck Gulf Shores, Alabama, in September 2020, a University of Alabama study covering more than 40,000 insured properties found a 55% to 74% lower claim frequency for FORTIFIED homes. The Strengthen Alabama Homes program, which has awarded grants of up to $10,000 since 2016, has funded the retrofit of more than 8,700 homes.
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