Professional signs are typically made from .080" thick aluminum , which is rust-proof and designed to withstand outdoor conditions for 7–10 years. 3. Custom and Novelty Signs
Frequently used for custom metal street signs where you need unique branding or non-standard messages. 4. Buying for Private Property vs. Public Roads where to buy road signs
For any sign used on public roads or in areas open to public travel (like shopping centers), the sign must meet federal MUTCD standards for size, shape, and color. Reflectivity Levels: Professional signs are typically made from