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Elevation provides the best protection for flood damage, short of relocating the house to an area that is less prone to flooding. Raising a structure does not remove it from the special flood hazard area (SFHA); therefore, it does not exempt the owner or the mortgage company from flood insurance mandates.
Repetitive flooding affects thousands of Louisiana homes and businesses. In this publication and its companion videotape, a procedure to demonstrate a non-invasive method to flood proofing is explained as it was demonstrated by a Michigan contractor. Special attention is given to adapting the technology for use in Louisiana’s floodplains. (PDF format only). This is the 2005 archived version of the original 1996 publication.
In inland areas, experience has shown that floods damage areas of buildings not elevated above the flood level and destroy contents of those areas. In coastal areas, wave action causes even more damage, often destroying enclosed building areas below the flood level (and any building areas above the flood level that depend on the lower area for structural support). Source: Home Builder's Guide to Coastal Construction Technical Fact Sheet Series: Fact Sheet 4.
