The Road Directorate Screens​

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Type 1A - Transparent screen

Noise-screen type 1A is a transparent noise screen designed to withstand the harsh environment of the road. The screen is typically set up along highways and expressways in urban areas and can be used advantageously along stretches of road where the road's neighbours set requirements for view and lighting. The screen type can be used at an actual screen height of up to 4.0 meters.

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Noise shield on land​

The screen type is made with HEB bearing steel columns, or HEA profiles and mounted per 5.0 meters on foundations, except for the ends where the module width is 3.0 m.

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On the pillars, footplates are welded, which are mounted to the underlying foundations by groups of bolts. The footplate and bolts assembly is established under the terrain.

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Between the steel columns, a prefabricated concrete block followed by transparent elements is mounted. On the pre-established noise screen, slats are mounted on respectively the road and neighbour side.​

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Noise screen on construction work​

The screen type is made with HEB bearing steel columns, or HEA profiles and mounted per 3.0 meters on mounting brackets designed by the contractor. Transparent elements are mounted between the steel columns. On this screen type, slats are mounted on respectively road and neighbour side on the pre-established noise screen.​

Type 2B - Sound absorbing screen with slats​

Noise screen type 2B is a closed sound-absorbing noise screen designed to withstand the harsh environment of the road. The screen is typically set up along highways, expressways and major roads in rural and urban areas.