Please Knock Aluminum Sign (HIP Reflective)

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Rust and Abrasion-Proof 'Knock the Door' Signs

If you prefer to lock up your doors, you should let incoming visitors know how to announce their arrival. Our aluminum signs are great for setting these guidelines.

Made of durable aluminum, our reflective signs can resist corrosion.

The laminated coats on our water-resistant signs add abrasion resistance.

Reflective, Long-Lasting Aluminum Signs

These reflective signs feature prismatic materials that add high visibility.

Conserve resources by using the same batch of water-resistant signs for up to 10 years.

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