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Home / Products / Div 34 71 13 — 34 71 13 / Thrie-Beam Guardrail
Gregory HighwayWire meshDiv 34 · TransportationNo manufacturer photo on file
Div 34 71 13 · 34 71 13

Thrie-Beam Guardrail

G
Gregory Highway · Thrie-Beam

Corrugated sheet steel highway guardrail beam in the deeper three-corrugation Thrie profile, cold-formed by Gregory Highway (Gregory Industries, Canton OH) and supplied in the standard AASHTO 12 ft 6 in. and 25 ft 0 in. lengths with custom lengths available. The manufacturer states it is made to AASHTO M180 in Class A (12 gauge) or Class B (10 gauge) and in finish Type 1, 2, 3 or 4 - zinc coated at two coating weights, uncoated steel, or weathering steel. Our own summary of the manufacturer's published page; none of their marketing copy is reproduced.

✓ Verified 2026-09-13
Specs on this page were checked against Gregory Highway Thrie-Beam product page (gregorycorp.com), retrieved 2026-09-13 on 2026-09-13.

Specifications

Gauge10 gauge or 12 gauge
Standard lengths12 ft 6 in or 25 ft 0 in

Certifications & Standards

AASHTO M180
Attributes — product claims, not third-party certifications
Class A or BFinish Types 1, 2, 3 and 4Galvanized, black, painted epoxy or weathering steel

Sustainability

No sustainability metrics on file for this product.