Steel Deck Posts Reinvented: The Ultimate 4x4 Railing Post by RDI
Internal Structural Post by RDI
DETAILS:
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Two different mount styles to choose from: flush, or fascia
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Two different lengths to choose from: 36” or 42”
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Flush mount measurements:
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36” = 36.625”
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42” = 42.625”
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Fascia mount measurements:
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36” = 42.625”
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42” = 48.625”
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Inner block thickness = 3.77”
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Material: galvanized steel = structural post, vinyl = post leveling shim
WHAT’S INCLUDED:
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Structural post (1)
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Post sleeve centering extrusion (2)
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Centering extrusion attachment screw (1)
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Post leveling shim (2)
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Installation instructions
More details:
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Lifetime warranty
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Hot dipped, galvanized enriched zinc steel
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Internal structure, used instead of a 4” x 4” post
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Designed to meet IRC (International Residential Code) & IBC (International Building Code) – code compliant
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Click HERE for code report
Not included:
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Post sleeves
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Click HERE for post sleeves
Explore the Strength and Versatility of This RDI Structural Post
The RDI Structural Post is a durable, cost-effective solution designed for homeowners looking to wrap their posts with sleeves while maintaining strength and stability. These steel deck posts are available in two mounting options: flush mount, which attaches directly to the top of the deck, and fascia mount, which secures to the side, both ideal for surface-mount deck posts.
Each 4x4 railing post features a hot-dipped galvanized steel core, engineered for long-term structural integrity. Surrounding the steel core are multiple vinyl excursion centers that enhance the stability and load-bearing capacity of the post by effectively transferring the railing’s weight to the structure below the deck surface.
Whether you're mounting to the deck frame or using a surface-mount installation, these posts offer reliable support. Available in 36” and 42” lengths, they give homeowners the flexibility to tailor their setup to meet both safety standards and aesthetic preferences.
