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• Rib-Bak®  U-channel Sign Posts
• U.S. New-Billet Steel
• 80 - 100 KSI
• NCHRP 350 Approved
• Multiple Sizes Available
• Powder Coated or Galvanized (Bare available)
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• Rib-Bak® :: The heart of Nucor Steel Marion highway products.

• Made of our tough new billet steel, RIB-BAK® is the strongest U-channel post available, especially in the crucial load bearing points, with over 25% greater tensile strength than our competitor’s rail steel. Its RIB-BAK® design withstands higher wind loads and saves money by supporting a lot more sign per post. Its contact points are flush surfaces, providing solid, more permanent sign attachment. And installation typically takes just minutes, with posts easily driven with conventional tools.

• Check out our U-channel Stock List (PDF)
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• Comparing Signposts
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Multiple Sizes

Powder Coating at the Price of Paint . Only Nucor Steel Marion gives you the superior rust-resistant protection, durability and appearance of powder coating—at the price of paint. Called Powder-Shell™, it’s available for all sizes of RIB-BAK® in green, black, yellow, white, orange and brown (other colors by request). For the ultimate protection against the elements, RIB-BAK® posts are also available in hot-dipped galvanized (ASTM A-123). Crash Tested and Approved. RIB-BAK® U-channel signposts and breakaway systems are accepted by the FHWA (Federal Highway Administration) for small sign support applications, and also meet the NCHRP 350 criteria for occupant impact velocity. (NOTE: 3 lbs. /ft x 3 supports – and all 4 lbs./ft supports – must use breakaway hardware to comply with FHWA breakaway requirements.)

 

Powder Shell

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