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 patented ribbed-back 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.
Comparing Signposts
Multiple
Sizes
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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.)
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