These are light weight non corrosive sound barriers manufactured with hole patterns such as slits or dots. Various fillings such as EPDM, fiber glass and aluminum foams are used to improve its absorptive quality. Being light in weight they are very easy to install and they are self-supporting system because of which they don’t need additional frames.
As they are non-corrosive, they are durable and lasts long even in coastal areas.
Top arc-shaped noise barrier
Common shaped noise barrier
Top knuckling noise barrier
Irregular shaped noise barrier
||Open Cell Polyurethane Acoustical Foam
||15mm, 20mm, 25mm, 35mm, 50 mm; custom thicknesses are also available
||600mm x 600mm, 1200mm x 1200mm, 1000mm x 2000mm & also custom sizes
||NRC 0.42 – 0.96 ( varies with thickness and mounting )
||Meets UL94 HF -1 Standard
||ASI S.T.O.P Noise Acoustical Adhesive or any construction adhesive
TWO TYPE OF ALU EXTERIOR PANELS
They are comparatively economic and is available in custom sizes and shapes. They find applications in industries,
bridges, roadways, highways, residential and commercial areas and as linings in underpasses, tunnels and so on.