Acrylic (PMMA, or organic glass) sound barriers are a transparent solution that offers high light transmittance combined with noise reduction, making them ideal for urban elevated roads, highways, railways, and residential areas where both unobstructed views and effective sound insulation are required.
Release time:
2026-03-20
I. Core Structure and Panel Types
Base material : Cast acrylic is the primary type (with superior performance compared to extruded acrylic), with common thicknesses of 15 mm and 20 mm; it can be used to Reinforced acrylic (With built-in nylon reinforcement) impact-resistant and featuring an arc-shaped, thermally bent design; also available in matte finishes and custom colors; typically equipped with an aluminum alloy frame and sealant, and installed in combination with H-beam vertical posts.
Composite structure : Plain acrylic primarily focuses on sound isolation (reflection); high-end solutions incorporate a glass wool/rock wool sound-absorbing layer on the back side, creating Integrated sound absorption and isolation , further enhancing mid-to-high frequency noise reduction performance.
II. Advantages
Vision- and landscape-friendly : Transparent design eliminates feelings of confinement, making it ideal for urban landscape roads and residential areas;
Safety and Construction Convenience : Impact-resistant, lightweight, and low installation and transportation costs;
Flexible styling : Can be thermally bent into an arc to enhance sound insulation and improve aesthetic appeal.
Limitations: to Low-frequency noise The barrier performance is inferior to that of thick concrete or metal composite barriers; under prolonged exposure to high temperatures, ordinary panels are prone to slight deformation; the unit price is higher than that of color-coated steel sheets, and proper sealing, secure fastening, and vibration-damping measures are required.
III. Typical Application Scenarios
1. Urban elevated highways, subway corridors, and high-speed road sections near residential areas and schools;
2. Landscape roads and scenic-area highways—areas where sightlines must be preserved;
3. Noise-reduction locations in the industrial park that require natural lighting.
IV. Selection and Maintenance Recommendations
1. Priority Selection Casting grade + UV aging resistance Acrylic—avoid using recycled materials;
2. Thickness: 20 mm for main traffic arteries, 15 mm for general road sections; reinforcement is recommended for curved sections.
3. Sealing must be properly executed to prevent sound leakage and rainwater infiltration;
4. Clean the panel regularly to prevent dust buildup from impairing light transmission, and inspect the mounting hardware for looseness.
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