Aluminum vs. Steel Screen Frames
Aluminum vs. steel frames for pool screen enclosures in Florida. Corrosion resistance, strength, cost, and lifespan compared.
Comparison
| Factor | Aluminum | Steel |
|---|---|---|
| Corrosion resistance | Excellent (no rust) | Poor (rusts in FL humidity) |
| Weight | Lightweight | Heavy |
| Cost | Standard | Similar initially |
| Lifespan in FL | 25-40+ years | 10-20 years (with rust) |
| Maintenance | Low (occasional painting) | High (must prevent rust) |
| Industry standard | Yes | No (legacy only) |
Why aluminum dominates in Florida
Florida’s humidity, salt air (even inland), and constant rain exposure make steel a poor choice for outdoor structures. Steel screen enclosure frames rust, stain surrounding surfaces, weaken over time, and eventually fail. Aluminum oxidizes cosmetically but doesn’t structurally degrade the way steel does.
If you have a steel frame
If your existing enclosure has steel components (common on older homes built before the 1990s), consider replacing the frame when the next major repair is needed. Painting over rust delays but doesn’t solve the problem.
Our recommendation
Aluminum is the clear winner for Florida pool screen enclosures. It won't rust, handles the humidity, and is the industry standard for good reason. Steel frames are only found on very old enclosures and should be replaced with aluminum when they fail.
Not sure which is right for your pool cage? We'll tell you.
Send us photos and we'll recommend the best option for your enclosure, budget, and timeline.