Please Knock Aluminum Sign (HIP Reflective)

Please Knock Aluminum Sign (HIP Reflective)


Set Clear Rules with 'Please Knock' Aluminum Signs

  • We use durable aluminum.
  • Laminated topcoats help protect against abrasion.
  • Reflective materials add high visibility.
  • You can use the signs for 10 years or more.
  • Digital printing helps grab attention.

Rust-Resistant and Scratch-Proof 'Please Knock' Signs

To maintain the privacy and safety of your business, you may wish to lock your entrances until visitors arrive. Our heavy-duty signs give clear instructions for guests to knock for assistance.

These digital print signs feature aluminum that can resist rust.

We laminate our 'knock on door' signs to protect them from surface scrapes.

Highly Visible Heavy-Duty Signs for Long-Term Use

Our digital print signs are easy to see from afar due to their reflective surfaces.

You can use these 'knock on door' signs for 10 years or more to save costs.

Disclaimer: All sign and banner content on is used for example purposes only. It is the sole responsibility of the purchaser to contact their local, city, or state government offices to obtain the legal requirements for any and all signs before having their signs printed.