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How can I upgrade a wind zone 1 mobile home to wind zone 2?
Saturday, September 29, 2018
You can’t. Although it might be theoretically possible to retrofit additional reinforcement in a manufactured home structure to meet the standard for resistance to windstorm damage of wind zone 2, or even wind zone 3, the means to get it certified to the higher standard does not exist.
To understand why, let’s go over what is required for a NEW mobile home to be wind zone 2 certified. The process begins with close coordination between the manufacturer and a Design Approval Agency (DAPIA) that has been authorized by the U.S. Department of Housing and Urban Development (HUD) to engineer the home to meet HUD’s specifications. After the design is approved, it goes into production and must be inspected at the factory by a HUD-approved In-Plant Inspection Agency (IPIA), with supervision by a State Administrative Agency (SAA).
So—to put all the acronyms together— HUD, the DAIPA, IPA, and SAA must all sign off on the home’s design and construction for it to get zone 2 certification. No administrative procedure exists to get all those approvals for the upgrading of an existing mobile home.
Also, see our blog post Can you move a Wind Zone 1 mobile home to Wind Zone 2 or 3 in Florida?
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