Wind Mitigation retrofit gone wrong!

What is a wind mitigation retrofit?

A hurricane strap retrofit, also known as a wind mitigation retrofit, is a service provided by licensed contractors to bring existing hurricane straps up to code. This may involve adding at least three nails or installing blocking between the truss and strap. Homeowners typically pursue this service to qualify for wind mitigation discounts from their insurance company.

Are hurricane straps needed?

Florida homes face some of the most severe weather conditions in the country. Hurricane straps are used to secure roofs to the structure, as roof failure often leads to structural collapse. These straps have been installed in Florida homes since the 1960s.

Can any metal framing connector be used?

Only a few approved framing connectors are permitted for retrofits. Inspectors often encounter installations that do not qualify for a wind mitigation discount. It is important to select a contractor experienced with these services and familiar with the requirements. While some roofing companies offer this service, most do not perform it correctly. The Simpson HGA10 is the most commonly approved bracket, though other approved connectors are available but less frequently used.

What is the average cost of a wind mitigation retrofit?

Service costs vary based on several factors, including home size, roof shape, and ease of access. Larger homes and hip roofs typically require more connections than smaller homes or gable roofs. Accessibility also affects pricing; for example, homes with removable soffits are easier to access than those with wood soffits. Roof pitch is another consideration, as steep roofs are generally easier to work on than low-pitch roofs. Prices typically range from $1,500 to $3,500, depending on the home’s characteristics and the contractor’s qualifications.

What are examples of improper installs of hurricane straps?

One common mistake we see is placing a hurricane strap on top of the block wall or wood top plate. This method is not approved by the manufacturer. If the roof lifts up, the force will be focused on just one nail or screw near the truss, instead of being spread across three or more fasteners as with an approved connector. We also notice contractors sometimes use the wrong type of hurricane clip. For retrofits, hurricane clips must be rated to handle both uplift and lateral loads. These clips often have extra bracing to support lateral forces.

If you are wanting to have this service performed on your home be sure to properly vet the contractor you are planning to hire. Ask for photos of past installs they have performed. If you need to have a wind mitigation performed on your home after you can call our office at 407-633-1661 or book on our website.