Leaving the area where a hurricane is going to hit is better than riding it out in an in-home shelter. But, where hurricanes make landfall is difficult to predict. And such landfall predictions may come too late to allow families to get away. Such was the case when Hurricane Floyd threatened Florida in 1999. The construction can be wood frame or concrete block and concrete.
All plans have details and a materials list.
The plans can be given to a contractor for estimates. The costs in the FEMA manual were put together by the National Association of Home Builders. Retrofitting an existing house typically costs more. We cannot, however, guarantee the performance of all items demonstrated or described in all situations. Always consult an experienced contractor or other expert to determine the best application of these ideas or products in your home.