Panels for marine environments

What types of panels are recommended in marine environments? Concealed or exposed panels? 

Aluminum is compatible with coastal climates because it does not rust. Therefore, sea salt sprayed from water will have less effect on the aluminum surface. To best protect your roof, you should apply a layer of protective paint to protect your roof from rust.

Use panels with concealed fasteners rather than exposed fasteners, as they minimize the risk of water penetration, rust, and leakage. They also provide a smoother and cleaner appearance https://boatpowered.com/marine-solar-panels

Use panels with high-quality coatings that can resist the harsh conditions of the marine environment, such as high-build primers and paints, fluoropolymer coatings, or galvalume coatings. They also enhance the durability and color retention of the panels https://www.steelscape.com/metal-in-coastal-regions-blog-2/ a small world cup

According to AEP Span:

We recommend using panels with concealed fasteners in marine environments, because of the harsh conditions. View AEP Span concealed Fastener metal roofing.  Modifying the paint system for these environments is also recommended, using high-build primers and paints. Contact AEP Span for more information.