Metal roofs in Tampa, FL

Metal roofs were the exception around Tampa Bay until 2024. Since Milton, they have become the usual choice on the barrier islands, in South Tampa, and on any house whose owner wants to be done with the 15-year shingle clock. The reasons are the wind performance, a 40-to-50-year life, and the fact that Citizens treats metal as a 50-year roof for its documentation rules. The trade-offs are cost, the installer's skill, and noise and expansion details that a shingle crew does not know.

Say whether you want standing seam or a panel system and whether the house has a pitched or a low-slope roof.

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Standing seam or exposed fastener

• Standing seam: vertical panels joined by raised seams, fastened with hidden clips that let the metal expand, with no screws through the panel surface (the seams and penetrations are where a standing-seam roof depends on the installer). The higher cost and the roof people mean when they say "metal roof" on Clearwater Beach or Davis Islands.
• Exposed-fastener panels (5V crimp, corrugated, R-panel): screwed through the panel with gasketed screws. Lower cost, traditional on old Florida houses, and a maintenance item: the gaskets age in the sun and the screws need checking every several years.
• Material, thickness, and coating: steel is specified by gauge (24-gauge is common), aluminum by thickness in inches (.032 is common); both with a Kynar-type finish. Near salt water many installers specify aluminum because cut steel edges rust; the right choice is the one the selected system's approval and warranty cover for the site.
• Florida Product Approval and the wind speed: every metal panel system used here carries an approval, and the clip spacing and fastening on the plan are what make the installed system meet the 145 mph design wind speed for your property in Pinellas.

What the proposal should say

Panel profile, gauge, metal, and finish, by product name and Florida Product Approval number. The underlayment (an approved system rated for use under metal, usually a high-temperature self-adhered membrane, because the panels get hotter than shingle). Clip type and spacing. How penetrations, valleys, and the eave are detailed. The permit and final inspection. Two warranties: the finish (often 30 or more years against chalk and fade) and the workmanship.

Ask who is installing it. Metal is a different trade from shingle, and a shingle crew installing its first standing-seam roof is a common source of metal-roof problems: seams that were not hemmed, clips too far apart, penetrations sealed with caulk.

Insurance and the wind-mitigation credits

Citizens' documentation rule for "hard" roofs (tile, slate, clay, concrete, metal) starts at 50 years, against 25 for shingle. A new metal roof with a secondary water barrier and documented deck attachment earns the roof-covering and water-barrier credits on the wind-mitigation form (OIR-B1-1802). Whether the premium difference justifies the cost difference is a question for your agent with real numbers; the contractor can give you the roof-side numbers.