The Three Key Benefits of Cast Aluminum Mailboxes

April 1, 2015

Choosing the right mailbox isn’t just about mail delivery, it’s about curb appeal, long-term durability, and ease of ownership. If you’re searching for a beautiful, low-maintenance solution, cast aluminum mailboxes are an excellent choice.

From my own experience installing and maintaining different types of mailboxes over the years, I’ve seen firsthand why cast aluminum continues to outperform wood, steel, and even cast iron alternatives. In this guide, I’ll walk you through the three key benefits of cast aluminum mailboxes and explain why they are a smart investment for your home.

More Intricate Mailbox Details with Cast Aluminum

One of the first things homeowners notice about cast aluminum mailboxes is the intricate level of detail. Thanks to aluminum’s lower melting point compared to iron or steel, manufacturers can craft elaborate, finely detailed designs that would be difficult (and expensive) to replicate with other metals.

Take for example the beautiful Victorian Pedestal Locking Mailbox at MailboxWorks. Every swirl, crest, and line is reproduced flawlessly because the aluminum casting process allows precise mold detailing. This is not easily achieved with iron mailboxes or traditional steel versions.

I’ve personally installed both cast aluminum mailboxes with post setups and heavier iron models, and the difference in artistry and consistency is clear. Each aluminum mailbox comes out of the mold looking just as the designer intended, without the imperfections common with denser metals.

For even more examples of stunning designs, browse the full cast aluminum mailbox collection at MailboxWorks.

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Rust-Free Durability with Little Maintenance

Another major advantage is that cast aluminum mailboxes are rust-free, unlike steel or cast iron mailboxes which require powder coating inside and out to prevent corrosion. Even with coatings, those metals can eventually rust, especially in salty coastal environments.

With aluminum mailboxes, rust simply isn’t an issue. I’ve seen installations near beaches where the cast aluminum mailbox and post look almost as new after years of exposure.

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