Pursuant to Section 553.844 Florida Statutes strengthening of existing site-built, single family residential structures to resist hurricanes shall be provided.
101.3 When any activity requiring a building permit that is applied for on or after July 1, 2008, and for which the estimated cost is $50,000 or more for a building that is located in the wind borne debris region as defined in s.1609.2 of the Florida Building Code, and that has an insured value of $750,000 or more, or, if the building is uninsured or for which documentation of insured value is not presented, has a just valuation for the structure for purposes of ad valorem taxation of $750,000 or more:
(a) Opening protections as required within the Florida Building Code, Building or Florida Building Code, Residential for new construction shall be provided.

