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Create your ideal deck staircase design from start to finish with Fortress Evolution Steel Deck Stair Brackets. Specially designed to slide easily over the top of a Fortress Evolution Deck Joist to create the perfect rise and run angle for your outdoor stairway. The Fortress Evolution Stair Brackets align with one another to create a consistent stair angle while also providing a quick, worry-free deck stair installation.

Current Fortress Evolution Deck Stair Bracket designs to choose from:

  • The Adjustable Stair Bracket allows homeowners and deck builders to customize a stair's rise and run using two set pins

The Fortress Evolution Steel Stair Brackets are sold individually and are offered in a textured Black Sand finish.


DecksDirect # 62521

Fortress Evolution Framing Installation Guide (6.28 MB) 

Technical Evaluation Report (6.28 MB) 

Code Compliance Report (6.28 MB) 

Fire Rating Class A (6.28 MB) 


Black Sand

(length x width x height)
Adjustable Bracket: 9-7/8 in x 2-1/8 in x 8-7/10 in
Pack SizeEach
Material TypeGalvanized steel
Included AccessoriesNone
WarrantyView Fortress Warranty Information
Fortress Evolution Steel Deck Framing Self-Tapping Screws
Starting at: $84.99
With pre-drilled screw openings for easy installation, the Fortress Evolution Steel Deck Stair Strap attaches quickly and delivers a strong hold.
Starting at: $16.99
Simply mount and attach the Fortress Evolution Steel Stair Tray to your stair stringer boards for an easy build.
Starting at: $77.99
Sleek and strong, the Fortress Evolution Steel Stair Anchor makes creating an outdoor staircase a breeze!
Starting at: $8.99
Fortress Evolution Steel Deck Framing F50 Bracket
Starting at: $6.99

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