Coastal and humid environments accelerate corrosion; choose materials and finishes that withstand exposure. 316 stainless steel is ideal for severe salt-spray conditions; 304 stainless performs well in less aggressive settings. Aluminum is lightweight and naturally corrosion-resistant but can suffer galvanic corrosion when contacting dissimilar metals — use isolators. Powder-coated or epoxy-coated steel is cost-effective when high-quality coatings are specified. Design features like raised seals, drainage/weep holes, and sealed hardware help prevent moisture ingress. Specify stainless fasteners and marine-grade sealants for exterior installations. Regular inspection and rinsing of salt deposits extend service life. While corrosion-resistant materials cost more up front, they reduce maintenance and replacement expenses over a building lifecycle. CTA: Working in a corrosive environment? Contact us for specification help.
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