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WHIS®stone ground-level noise defractor
WHIS®stone is a concrete noise defractor designed for quick and easy installation at roadsides. Sitting at the same height as the ground surface and taking up on 1m of road space, WHIS®stone will reduce traffic noise by 2.5dB, or up to 4dB when using a double row. The concrete elements are safe to drive over and have a drainage system installed
WHIS®stone is a concrete noise defractor designed for quick and easy installation at roadsides. Sitting at the same height as the ground surface and taking up on 1m of road space, WHIS®stone will reduce traffic noise by 2.5dB, or up to 4dB when using a double row. The concrete elements are safe to drive over and have a drainage system installed underneath.
