noise barrier highway
Yukings · noise barrier & sound barrier manufacturer Since 2006

Flat & straight top noise barriers — classic standard-profile modular noise wall with straightforward panel installation for cost-effective highway & railway noise control.

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.

Classic Straight ProfileStandard Modular PanelsCost-Effective High-VolumeEasy Installation & MaintenanceUniversal Application
22-38 dBinsertion loss
80-120 mmpanel depth
2.0-2.5 mbays
25 yrdesign life
Product Overview

Flat Top Noise Barriers — Standard Profile

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.

installation
What is it

Classic straight-top noise wall for straightforward, reliable attenuation.

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.

  • Highway expressways, ring roads and bridge parapets
  • Railway track-side noise walls and urban light-rail corridors
  • Industrial plant, warehouse and utility perimeter barriers
  • Standard 2500 mm wide modular panels, 500 mm height modules
  • Compatible with 8/10/12 mm polycarbonate transparent window sections
Technical Specification

Flat Top Noise Barriers — Full Specification

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.

Flat Top Noise Barriers — Product Specification

Classic straight-top profile with standard modular panel construction.

PropertyValue
Insertion Loss DL (EN 1793-3)22 – 38 dB
Sound Insulation Rw (EN ISO 717-1)28 – 48 dB
Top Profileflat / straight top edge
Panel MaterialDX51D+Z galvanized steel or EN AW-5754 aluminum
Panel Width2,500 mm standard
Panel Height500 mm modules
Panel Depth80 / 100 / 120 mm
Infill Materialhydrophobic rock-wool 80-120 kg/m3
H-post Column SizeH 100 x 100 x 6 x 8 to H 125 x 125 x 6.5 x 9
H-post Spacing2.0 m or 2.5 m bays
Barrier Height2.0 – 5.0 m
Transparent Window8 / 10 / 12 mm polycarbonate compatible
Finishhot-dip galvanized + optional RAL powder coat
Corrosion ResistanceISO 12944 C3-M
Fire RatingClass A (EN 13501-1)
Wind Load Rating1.2 kN/m2
Design Service Life25 years
Structural Warranty15 years
Why Yukings

What makes our Flat Top Noise Barriers different

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.

F1

Standard Modular Panel

2500 mm wide x 500 mm height modules with 80/100/120 mm depth options — fits any standard H-post spacing specification.

F2

Straight-Top Profile

Flat top-edge geometry is the reference specification for highways and railways worldwide; simple to fabricate and install.

F3

Galvanized Steel / Aluminum Face

DX51D+Z galvanized steel or EN AW-5754 aluminum panel face with hydrophobic rock-wool infill for consistent absorption.

F4

22-38 dB Insertion Loss

Project-tested insertion loss range with CE and EN 1793 test reports available on request for your tender dossier.

F5

Polycarbonate Window Compatible

Seamless integration of 8/10/12 mm UV-stabilized polycarbonate transparent sections in the same modular panel frame.

F6

25-Year Design Life

25-year service life design with a 15-year structural warranty on Yukings-manufactured panels and H-post columns.

F7

High-Volume Production

42,000 m2 factory optimized for large-scale flat-top barrier production — ideal for multi-kilometer highway projects.

F8

Global Containerized Shipping

Full containerized shipping (20 ft / 40 ft HC / 40 ft OOG) with full shipping documents and CE dossier delivery.

Related Products & Use Cases

Other noise barrier profiles and solutions

Compare flat-top barriers with Yukings curved-top and angled folded-top profiles, or explore our dedicated application-specific noise wall product lines.

noise barrier highway
Curved Top
Product

Curved / Arc Top Noise Barriers

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 →
noise barrier railway
Cantilever Cap
Product

Angled / Folded-Top Noise Barriers

L-shaped cantilever cap creates an extended acoustic shadow zone, delivering the highest effective insertion loss per meter of barrier height.

View Product →
noise barrier highway
Highway
Use Case

Highway & Road Noise Barriers

Metal-louvered absorption panels with optional polycarbonate or concrete sections for expressway, ring road and bridge parapet noise control.

View Product →
noise barrier railway
Railway
Use Case

Railway Noise Barriers

Rigid modular panels designed for high-speed rail aerodynamic load and railway-specific vibration, fatigue and slip-stream requirements.

View Product →
noise barrier industrial factory
Industrial
Use Case

Industrial Plant Noise Barriers

Absorptive metal-faced panels with Class A fire rating for power plants, factories, warehouses, compressor stations and industrial perimeter walls.

View Product →
noise barrier residential
Residential
Use Case

Residential Community Noise Barriers

Aerodynamically shaped, visually softer noise barriers for housing developments, schools, hospitals and sensitive residential reception areas.

View Product →
Frequently Asked

Flat Top Noise Barriers — FAQs

Commonly asked technical, commercial and logistics questions about Yukings flat-top noise barriers.

What is the difference between a flat-top, curved-top and angled-top noise barrier?
The flat-top (or straight-top) barrier has a simple horizontal top edge and is the most cost-effective, high-volume design. A curved-top barrier adds a shaped cap that redirects diffracted sound, providing +3-8 dB of additional attenuation compared to an equivalent-height flat-top wall. An angled-top (L-shaped / cantilever cap) barrier creates an extended acoustic shadow zone, delivering the highest insertion loss per meter of barrier height.
What are the standard panel dimensions for flat-top barriers?
Yukings flat-top noise barriers use standard 2500 mm wide x 500 mm height modular panels in 80 mm, 100 mm and 120 mm depths. Panels are designed to mount on H 100x100x6x8 to H 125x125x6.5x9 hot-dip galvanized steel posts at 2.0 m or 2.5 m bays.
Can flat-top noise barriers include transparent window sections?
Yes. Flat-top barriers are fully compatible with 8 mm, 10 mm and 12 mm UV-stabilized polycarbonate transparent window sections, which can be integrated within the same modular panel frame at any vertical position without modification to the H-post spacing.
What is the design service life and warranty?
Flat-top barriers are designed for a 25-year service life with a 15-year structural warranty on Yukings-manufactured panels and H-post columns. Corrosion protection is ISO 12944 C3-M for standard galvanized finish; optional RAL powder coat is available for enhanced color retention and coastal service.
What test certificates and documentation do you provide for tenders?
Yukings provides EN 1793 insertion loss, EN 1794 air-borne sound insulation, EN ISO 717-1 Rw, EN 13501-1 fire rating, EN 1991-1-4 wind load calculation and full CE marking documentation with every flat-top noise barrier project, suitable for international public tenders.
Ready to Take the Next Step?

Need a Flat / Straight Top Noise Barriers quotation for your project? Contact Yukings today.

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.

Tel+86-755-86366707
Emailweilai04525@163.com
Miss Tang (Sales)+86 17727812004
Mr. Yu (Engineering)+86 13828819804
Project Inquiry

Tell us about your flat-top noise barrier project

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.

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