detail view of 4 inch square sign post and illustration of profile from the end
4"x4" Square Aluminum Sign Post
4x4 Square Aluminum Sign Post with other sized poles for comparison
direct burial post diagram

Product Code: SQ-4408

4"x4" Square Aluminum Sign Post

Regular price $124.50
Usually Ships within 2-6 Weeks
Shipping calculated at checkout.

4" x 4", square aluminum sign post, black finish. Order in different lengths for your needs. To install, bury 2 feet under ground for best results.

Note: Posts over 8ft in length ship via LTL Freight. Learn More.

Signature Streetscapes Sign and Lighting Posts

Various applications include being used as a sign post or light post! 4" x 4" square aluminum sign post extruded of solid aluminum smooth surface tubing. Each sign post is very structurally strong with a wall thickness of .125". Each post is also coated with the highest grade powder coat finishes. This ensures a long lasting rust-free finish that will endure for many years. Additional colors and lengths are available upon request, please call for details. We have the capability to match custom PMS and RAL numbers.

This sign post is not "Breakaway", but we have solutions to make your sign post or light post installation breakaway compliant, please call for more details. Installation instructions for various applications are available for download.


Post Heights

Choose your post height carefully. Be sure to include enough room for all sign/lighting components including a minimum direct burial depth of 24"-30".



Posts over 8 ft long ship via a LTL Freight Carrier. Order quantities of more than 4 posts will ship on a skid. Order quantities 4 posts or less will ship packaged in a bundle. Shipment costs are emailed to you within 1 business day of purchase. Please be aware that LTL Freight Shipping costs can range from $250-$850+ depending on the delivery location as well as the size, weight and number of packages.

Product Specs

  • 4" x 4" Outer Dimensions at top
  • Wall Thickness = .120"
  • Made of Extruded Aluminum Alloy 6063
  • Bolt Base: 9.75" x 9.75"
  • Requires 4 Bolts for mounting into a concrete pylon

*See description tab for more details and downloads tab for templates and installation instructions.