
Yukings flat-top noise barriers are the classic straight-profile noise wall with standard modular panel construction. The flat top profile is simple to manufacture, easy to install and maintain, and delivers reliable attenuation for most highway, railway and industrial noise control applications. Straight-top barriers are the default choice for cost-effective, high-volume noise wall installation.
The flat-top or straight-top profile is the most widely used noise wall geometry, combining proven modular panel construction with simple top-of-wall installation. It is the default specification for highway, railway and industrial projects where cost-effectiveness, speed of installation and long-term reliability are the primary criteria.

Yukings flat-top noise barriers feature a clean, straight-profile top edge with standard modular panels stacked between hot-dip galvanized steel H-posts. The flat-top design minimizes tooling complexity, reduces per-meter manufacturing cost, and simplifies on-site panel handling and installation compared to shaped-top alternatives.
Detailed engineering specification for Yukings flat-top noise barriers. All parameters align with EN 1793 / EN 1794 / EN 1991-1-4 testing and design standards.
Classic straight-top profile with standard modular panel construction.
| Property | Value |
|---|---|
| Insertion Loss DL (EN 1793-3) | 22 – 38 dB |
| Sound Insulation Rw (EN ISO 717-1) | 28 – 48 dB |
| Top Profile | flat / straight top edge |
| Panel Material | DX51D+Z galvanized steel or EN AW-5754 aluminum |
| Panel Width | 2,500 mm standard |
| Panel Height | 500 mm modules |
| Panel Depth | 80 / 100 / 120 mm |
| Infill Material | hydrophobic rock-wool 80-120 kg/m3 |
| H-post Column Size | H 100 x 100 x 6 x 8 to H 125 x 125 x 6.5 x 9 |
| H-post Spacing | 2.0 m or 2.5 m bays |
| Barrier Height | 2.0 – 5.0 m |
| Transparent Window | 8 / 10 / 12 mm polycarbonate compatible |
| Finish | hot-dip galvanized + optional RAL powder coat |
| Corrosion Resistance | ISO 12944 C3-M |
| Fire Rating | Class A (EN 13501-1) |
| Wind Load Rating | 1.2 kN/m2 |
| Design Service Life | 25 years |
| Structural Warranty | 15 years |
Straightforward manufacturing, standard component dimensions and full project traceability make Yukings flat-top noise barriers a reliable, cost-effective solution for any noise wall project.
2500 mm wide x 500 mm height modules with 80/100/120 mm depth options — fits any standard H-post spacing specification.
Flat top-edge geometry is the reference specification for highways and railways worldwide; simple to fabricate and install.
DX51D+Z galvanized steel or EN AW-5754 aluminum panel face with hydrophobic rock-wool infill for consistent absorption.
Project-tested insertion loss range with CE and EN 1793 test reports available on request for your tender dossier.
Seamless integration of 8/10/12 mm UV-stabilized polycarbonate transparent sections in the same modular panel frame.
25-year service life design with a 15-year structural warranty on Yukings-manufactured panels and H-post columns.
42,000 m2 factory optimized for large-scale flat-top barrier production — ideal for multi-kilometer highway projects.
Full containerized shipping (20 ft / 40 ft HC / 40 ft OOG) with full shipping documents and CE dossier delivery.
Compare flat-top barriers with Yukings curved-top and angled folded-top profiles, or explore our dedicated application-specific noise wall product lines.

Engineered curved-cap profile redirects diffracted sound waves over the barrier top, delivering +3-8 dB additional attenuation compared to flat-top walls.
View Product →
L-shaped cantilever cap creates an extended acoustic shadow zone, delivering the highest effective insertion loss per meter of barrier height.
View Product →
Metal-louvered absorption panels with optional polycarbonate or concrete sections for expressway, ring road and bridge parapet noise control.
View Product →
Rigid modular panels designed for high-speed rail aerodynamic load and railway-specific vibration, fatigue and slip-stream requirements.
View Product →
Absorptive metal-faced panels with Class A fire rating for power plants, factories, warehouses, compressor stations and industrial perimeter walls.
View Product →
Aerodynamically shaped, visually softer noise barriers for housing developments, schools, hospitals and sensitive residential reception areas.
View Product →Commonly asked technical, commercial and logistics questions about Yukings flat-top noise barriers.
Our flat-top noise barrier specialists will respond to your project inquiry within 24 hours, including technical guidance, panel dimension recommendations and project pricing where applicable.
Share your project parameters and a Yukings engineer will prepare a tailored proposal, including panel dimensions, H-post spacing, barrier height and estimated attenuation performance.