Salt Air Corrosion: Tips to Minimize Threats to Beach Homes Salt air corrosion is a major threat to beach homes, as airborne salt particles (marine aerosol) combine with high humidity and moisture to accelerate rust, pitting, and material breakdown on metals, paints, wood, and other surfaces. https://breakingac.com/news/2026/apr/15/salt-air-corrosion-tips-to-minimize-threats-to-beach-homes/