Can Living Near the Ocean Affect Your Home’s Metal Roofing?

August 1, 2023by Joe0

Living by the ocean is a dream for many, but it does come with its own set of challenges, especially when it comes to maintaining the exterior of your home. One common concern among homeowners living near the coast is the potential damage that the proximity to saltwater can cause to their metal roofing. If you’re considering a move to the coast or are already living there and are thinking about installing a metal roof, you’re probably wondering how saltwater might affect it.

The Impact of Saltwater on Metal Roofing

The simple answer is yes, being near saltwater can have an affect on metal roofing. Coastal areas present a harsh environment for building materials due to the presence of salt in the air. Salt-laden air and sea spray can have corrosive effects on metal roofing over time.

  1. Corrosion: Corrosion is the primary concern when it comes to metal roofing in coastal areas. It occurs when salt particles in the air react with the metal surface, leading to the formation of rust and the eventual breakdown of the metal. Certain metals, like iron and steel, are more susceptible to corrosion, while others, like aluminum and copper, are more resistant.
  2. Pitting: Pitting is a localized form of corrosion that results in small holes or depressions on the metal surface. It is a common problem in coastal areas and can lead to water leakage if not addressed in time.
  3. Discoloration: The salt in the air can also lead to discoloration of the metal surface. This is more of an aesthetic concern rather than a structural one, but it is still something to consider when choosing a metal roof for a coastal home.

How to Protect Your Metal Roof in Coastal Environments

While saltwater can affect metal roofing, there are ways to protect your roof and extend its lifespan. These recommendations also hold true for other environments as well, but are especially important in coastal ones.

  1. Choose the Right Material: Certain metals are more resistant to corrosion than others. Aluminum and copper, for example, are known for their corrosion resistance and are often recommended for coastal areas. Stainless steel is another good option as it contains chromium, which forms a protective oxide layer on the surface of the metal.
  2. Coatings: Coatings can provide an additional layer of protection against corrosion. Most metal roofing panels come with a factory-applied coating that helps to protect against rust and UV damage. However, in coastal areas, it is recommended to apply an additional protective coating specifically designed to resist saltwater corrosion.
  3. Regular Maintenance: Regular maintenance is crucial to prolonging the life of your metal roof in a coastal area. This includes cleaning the roof surface regularly to remove any salt deposits, inspecting for signs of corrosion or other damage, and reapplying protective coatings as needed.

While being near saltwater does affect metal roofing, it is not necessarily a deal-breaker. With the right material selection, protective coatings, and regular maintenance, a metal roof can be a durable and attractive option for coastal homes. If you are considering a metal roof and live near saltwater, be sure to consult with a roofing professional who can help you make the best decision for your specific location and needs.

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RPS Metal Roofing & Siding, Inc is a manufacturer and distributor of metal roofs. Located in Welaka, Florida, our company has state-of-the-art manufacturing equipment resulting in fine quality metal roofs for commercial, residential and agricultural use.

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