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Gain flexibility in designing and building your outdoor staircase with the Fortress Evolution Steel Deck Stair Strap. Securely attaching the stair stringer boards to the deck, landing, or structure, the Fortress Evolution Stair Strap ensures your staircase will remain firmly in place for the remainder of the build as well as for decades to come. Molded from galvanized and powder-coated steel, the Fortress Evolution Deck Stair Strap delivers a sleek look while boasting immovable strength for your outdoor stair design.

The Fortress Evolution Steel Stair Strap is sold individually and features a rich, textured Black Sand finish.


DecksDirect # 33386

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) 

ColorBlack Sand
Strap (length x width): 22-1/2 in x 1-1/2 in
Connection (length x space): 4 in x 2-1/5 in
Pack SizeEach
Material TypeGalvanized steel
Included AccessoriesNone
WarrantyView Fortress Warranty Information
Sleek and strong, the Fortress Evolution Steel Stair Anchor makes creating an outdoor staircase a breeze!
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Simply mount and attach the Fortress Evolution Steel Stair Tray to your stair stringer boards for an easy build.
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Fortress Evolution Steel Deck Framing Self-Tapping Screws
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Create a clean-looking outdoor staircase for your deck and porch space with Fortress Evolution Steel Framing system.
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Give your a stairs a picture-perfect finish with Barrette Riser Boards, shown in Mahogany.
Starting at: $75.99
Woodgrain White Riser Boards by Trex create a perfect and crisp design for your deck's stairs.
Starting at: $92.69 $102.99

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