Al13 Plus Surface Mount Posts by Fortress

As low as $141.99
Availability: In stock
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As low as $141.99
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Al13 Plus Aluminum Posts

Ideal for a variety of environments and are the first-of-its-kind fully pre-welded aluminum system. Each AL13 Plus Aluminum Post includes matching post skirt, AL13 Post Caps and AL13 Ball Post Caps sold separately. Customize the Fortress Al13 Plus Aluminum Railing System with Accent Top Rails and Accent Top Panels.

Fortress Al13 Plus Posts are Special Order. Allow extra time for delivery.

Detailed Information

3"x3" Fortress Al13 Plus Aluminum Posts are available in heights of 39.5", or 45.5" with 5.75" base. Fortress Al13 Plus Posts do not come with a nylon post cap. Choose between AL13 Ball Post Caps or AL13 Post Caps for an array of different looks.


  • Simple installation with bracket system
  • Premium powder coated exterior
  • 100% recyclable
  • Approved for use in residential or commercial applications
  • Al13 can be used with wood, composite, vinyl, or Fortress aluminum posts
  • Lifetime Manufacturer Warranty
  • Pre-welded panels allows for easy installation
  • Approved and tested in accordance with ICC-ESTM AC273, NBCC, OBC, ABC, & BCBC
More Information
Package Quantity (1) Al13 Plus post, (1) post base cover
Color Black Sand, White
Manufacturer Fortress
Manufacturer Link
Installation Help
Dimensions 3"x3"x39.5", 3"x45.5"
CA Proposition 65

Customer Reviews for Al13 Plus Surface Mount Posts by Fortress