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Give your Fortress Steel Pergola a clean finish with Purlin Caps designed to plug the ends of the decorative purlins on top of the pergola.

Fortress Evolution Steel Purlin Caps are designed to fit snugly inside the 2 inch by 2 inch purlins used on top of Fortress's Traditional Steel Pergola.

Fortress Steel Pergolas are an amazing upgrade to any deck or yard. Add eye-catching style and create a shady place to relax - all with a durable, low-maintenance steel frame that won't rot, splinter or crack.


DecksDirect # 368937

Modern Steel Pergola Parts List (834 KB) 

Traditional Steel Pergola Installation Guide (1.34 MB) 

FinishBlack Sand
Material Type16 Gauge Steel
Pack SizeEach
Post Cap Opening SizesN/A
(width x depth x height)
Warranty Information View Fortress Warranty Information
Steel Pergola Sea Salt Warranty
Steel Pergolas Warranty

Fortress Evolution Steel Deck Framing Touch Up Paint
Starting at: $13.99
Fortress Evolution Steel Deck Framing S-Ledger
Starting at: $154.99
The Fortress Evolution Blank Rim Joist
Starting at: $86.99
Fortress Evolution Steel Deck Framing Support Post
Starting at: $258.99
Simply mount and attach the Fortress Evolution Steel Stair Tray to your stair stringer boards for an easy build.
Starting at: $77.99

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