Road Sound Insulation Barrier is an effective noise control system designed to reduce traffic noise generated by highways, urban roads, and elevated bridges. It plays an important role in protecting nearby residential areas, commercial zones, and public facilities from excessive traffic noise pollution.
The barrier is typically constructed using durable metal panels, transparent panels, or composite acoustic materials combined with internal sound-absorbing layers such as mineral wool or fiberglass. This structure allows the barrier to both block and absorb sound waves, significantly reducing the noise transmitted from vehicles and road traffic.
Road sound insulation barriers are engineered to withstand harsh outdoor conditions including wind, rain, UV exposure, and temperature changes. The support structures are commonly made from galvanized steel or aluminum, with surface treatments such as powder coating or hot-dip galvanizing to ensure long-term corrosion resistance and structural stability.
Due to their excellent noise reduction performance and strong durability, road sound insulation barriers are widely used along highways, expressways, urban roads, bridges, and residential areas close to busy traffic routes.
Hebei Jinbiao can manufacture and provide many types of sound barrier, such as metal, non-metal, folding, vertical, curve, transparent, blind holes,etc. It mainly used in the roads, highways, overhead complex roads and other noise sources to achieve sound insulation and noise reduction. Aluminum foam noise barrier has the advantages of fireproofing, weather and corrosion resistance, good sound absorbing property. It has been applied in domestic and overseas engineering projects
Jinbiao Sound Barrier Advantages
• Good sound absorbing property
• Fireproofing, weather resistance
• Corrosion resistance
• Convenient installation
• Size and shape can be customized
• Light weight, recyclable
• Long service life, etc
• Painted various colors, and can enrich sound barrier landscape
FAQ
1.What is a sound insulation cotton barrier?
A road barrier whose panels contain sound insulation cotton (glass wool or rock wool) behind a perforated facing; the porous fibre absorbs sound energy instead of reflecting it.
2.What density and thickness of sound insulation cotton do you use?
Typical densities are around 24-48 kg/m3 with 50-100 mm thickness depending on the target absorption curve; the final specification is set by the project acoustic requirement.
3.Does glass wool stay dry in outdoor barrier panels?
Hydrophobic (water-repellent) wool grades with a protective facing are normally specified for outdoor use, and panels are detailed with drainage so moisture does not accumulate.
4.Can the absorptive cotton panel be combined with transparent panels?
Yes – a common hybrid uses absorptive lower panels to control ground-level noise with transparent upper panels to keep daylight and views open.
