Choosing between aluminum and steel gets more complicated once a project lives outside, especially in a climate like Atlanta's where summer humidity barely lets up. The right answer depends on more than strength on paper.
Aluminum forms a natural oxide layer that resists corrosion without any coating, which makes it a strong choice for railings, outdoor structures, and anything that will sit in wet conditions for years without regular maintenance. Steel is stronger for a given weight and often the better call for load-bearing structural work, but it needs a coating or finish to hold up against Georgia's humidity long term.
Weight matters too. Aluminum is roughly a third the density of steel, which can simplify installation on a project where every piece has to be carried or lifted into place by hand.
When you're speccing an outdoor project, do you default to one material out of habit, or does the specific job change your answer?
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Side-by-side photo of aluminum and steel stock, or a finished outdoor fabrication project using one of the two materials. No image folder is set up yet for this client; use an authentic in-house photo.
Canva text suggestion: "Aluminum or Steel: What Humidity Changes" or "Built for Georgia Weather"