After each major hurricane strike in FL, they enact better building code hurricane requirements. It doesn't affect existing grandfathered structures which are, at least by the new code standards, sub-standardly constructed. Now we all know what standards are good for so... At some point in time, all FL buildings will be up to "Code" after all the grandfathered substandard buildings are destroyed or brought up to current code requirements, at least on paper. Or underwater due to Global Warming...