Description
Why Choose Our Guardrail?
Built to Protect, Engineered to Endure
Compliance
Meets international safety standards for road infrastructure
Cost-Effective
Low maintenance requirements and a long service life reduce total ownership costs
Sustainability
Fully recyclable materials minimize environmental impact
Customization
Tailored solutions to fit unique project needs, from color matching to special designs
Thrie-Beam Guardrail
Designed for Highways, Trusted by Engineers
Thrie-Beam Guardrail (Three-Wave Guardrail) is a high-strength, semi-rigid road safety barrier designed to provide superior crash protection for high-traffic highways, mountainous roads, and bridge approaches. Built to meet international standards including AASHTO M180, EN 1317, and GB/T 31439.3, it features a three-corrugated steel beam structure that delivers enhanced impact absorption and vehicle redirection, minimizing accident severity and protecting road users.
| Parameter | Details |
|---|---|
| Material | Q235B / Q345B Carbon Steel |
| Thickness | 2.5mm / 2.75mm / 3.0mm / 4.0mm (customizable) |
| Length | 4320mm (standard), 3810mm / 5000mm (custom) |
| Profile Height | 506mm (three-wave) |
| Surface Treatment | Hot-dip galvanized (600g/m² min.) / Galvanized + Powder Coating |
| Standard | AASHTO M180 / EN 1317 / GB/T 31439.3 |
Features:
- Premium Material: Made from hot-dip galvanized steel with a polyester powder coating, offering superior corrosion resistance and a sleek, matte finish.
- Modular Design: Easy to install and extend, with a bolt-together system that allows for seamless integration into any road layout.
- Enhanced Visibility: Equipped with reflective strips on select posts to improve visibility in low-light conditions, reducing accident risks.
- Impact Resistant: Sturdy construction effectively separates vehicle lanes, pedestrian walkways, and bicycle paths, preventing unauthorized crossings and ensuring orderly traffic flow.








Compatible Components
- Posts: Round H-section, C-section, or I-section steel posts (galvanized/powder coated).
- Connectors: Thrie-beam to W-beam transition brackets, spacer blocks, and end terminals (F1/F2 type).
- Hardware: High-strength bolts (Grade 8.8), nuts, and washers (hot-dip galvanized).
- End Treatments: Energy-absorbing crash cushions and terminal ends to mitigate head-on impacts.

















