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Does My Metal Roof Make My Home Hotter During the Summer?

  As a Florida homeowner, metal roof keeping your home cool during the blistering summer months is a top priority. With temperatures frequently soaring into the 90s and the humidity making it feel even hotter, finding ways to beat the heat is essential for comfort. 

Many homeowners opt for a metal roof for the durability, longevity, and energy efficiency it provides. Metal is fireproof, impact-resistant, and can withstand high winds. Metal roofs can also withstand the hot Florida sun better than other roofing materials before degrading. 

But when it comes to keeping your home cool, you may wonder if choosing a metal roof makes your home’s interior hotter in summer than other roofing types. It’s a common question among homeowners considering going metal.

The Effects of Metal Roofing on Home Temperature

Metal roofing, especially newer architectural styles made from cool paints and coatings, are not necessarily hotter than other mainstream roofing types during summer. Studies show metal and asphalt shingle roofs have very similar impacts on interior home temperatures.

Some key considerations on how metal roofs affect home cooling:

Reflective coatings:

 Newer metal roof products for homes feature reflective paints or coatings. These reflective surfaces are designed to reflect the sun’s rays rather than absorb heat, helping to keep attic temperatures cooler than traditional asphalt shingles.


 Proper attic ventilation is key for any roof type to keep attics cooler in summer and prevent heat transfer into living spaces. Effective ventilation removes built-up hot air from the attic, helping control temperatures.

Radiant barriers:

Pairing a metal roof with a radiant barrier helps block radiant heat in attics. This further minimizes heat transfer into the interior, working alongside ventilation to control temperatures.


 Properly insulating your home is vital for keeping interiors comfortable year-round. High-quality insulation in walls and attics also controls heat flow so roof choices become less impactful on home cooling.

• Cool roof paints:

 For metal roofing exposed to direct sun and lacking shading, cool paints containing special pigments are available. Much like the bright white roofs you see on commercial buildings, cool roof coatings for metal can lower surface temperature by up to 50 degrees Fahrenheit through increased solar reflectivity.

• Natural shading:

 Strategically placed trees that shade your roof also decrease heat gain from intense overhead sun exposure. Solar panels have a similar shading effect. Smart landscaping choices can provide natural relief.

In most cases, metal roofing does not make your home significantly hotter than asphalt shingles or other mainstream options. Proper attic ventilation, insulation, radiant barriers, and reflective coatings enable metal roofing to perform similarly or better than competing products.

The Benefits of Metal Roof in the Florida Climate  

Beyond temperature regulation and energy efficiency, metal roofs are a smart long term choice for Florida homeowners facing hurricane risks, high winds, storm damage and more. Key benefits include:

• Durability – Metal roofing withstands extreme weather events, high winds, heavy rainfall and hail storms better than other options before leaking or sustaining damage. Lifespans up to 70+ years are achievable.

• Wind resistance – Metal roofs meet the highest Florida wind codes to avoid wind damage in storms. Lightweight metal panels allow for secure fastening to the roof decking underneath.

• Fire safety – Unlike wood shake roofs, metal roofing is non-combustible and fire resistant for added safety in a lightning-prone state. This also lowers insurance rates for some homeowners.  

• Lightweight – Newer metal roofing styles emphasize lightweight panels, lowering roof weight versus tile roofs and lessening structural demands.

• Eco-friendly – Metal is 100% recyclable. Solar-reflective metal roofing also reduces local heat island effects in urbanized environments.

With smart design choices, the right coatings and proper home insulation, metal roofing does not have to equate to a hotter home during Florida summers. If anything, the latest metal roof styles offer cooler attic temperatures and lower home energy costs long-term thanks to modern finishes. Their unmatched durability and weather resistance also make them ideal for this climate.

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