Utrecht – Innovative noise barrier decreases noise pollution from roads

Source: Province of Utrecht Noise pollution can cause a lot of problems. It’s not just annoying, it can even lead to cardiovascular disorders. Esther from Soesterberg knows just how big a problem noise can be. For the past seven years she and her husband and three kids have lived on Amersfoortsestraat. That’s a provincial, four […]

Utrecht – Innovative noise barrier at Vreeland

Bron: Province of Utrecht The provincial road N201 at Vreeland is getting an innovative noise barrier, called the Whiswall, for the summer of 2020. The province will use it to try to reduce noise pollution and improve the quality of life for about 60 homes and a primary school. Noise pollution is bad for our […]

WHIS®stone Het Gilde in Houten

Project: WHIS®Stone Het Gilde, rondweg Houten Opdrachtgever: gemeente Houten Aannemer: 4Silence

WHIS®stone Gemeente Rotterdam

Project: Reconstructie Aveling Noord Opdrachtgever: Gemeente Rotterdam Aannemer: 4Silence

WHIS®wall België

Project: Pilot WHIS®wall België Opdrachtgever: Vlaamse Overheid Aannemer: 4Silence

Nijmegen WHIS®wall

Project: West wil groene buffer Opdrachtgever: Gemeente Nijmegen Aannemer: Roelofs

Almere – WHIS®wall

Project: WHIS®wall  Hagevoortdreef Almere Client: Gemeente Almere Contractor: 4Silence

Amersfoort – WHIS®wall

Project: WHIS®wall Amersfoort N221 Client: gemeente Amersfoort Contractor: 4Silence

The Lier – Laag frequente diffractoren

Project: Laag frequente diffractoren De Lier Client: Provincie Zuid Holland Contractor: 4Silence  

WHIStop A73 Zuiderbrug Venlo

Project: WHIStop A73 Zuiderbrug Venlo Client: Gemeente Venlo Contractor: 4Silence

WHISSPER – fighting traffic noise exposure by diffraction

The EU-funded WHISSPER project will promote new technology developed by 4Silence, a company based in the Netherlands. Its revolutionary, yet simple and sustainable solution is based on the principle of diffraction – bending traffic noise in an upward direction to reduce horizontal noise. Prototypes tested in the Netherlands have proven highly efficient and easy to […]

Vreeland WHIS®barrier

We installed almost 300 meters WHIS®barrier for our client Provincie Utrecht. In this project we’ve combined our WHIS®top with a standard road safety barrier from Haitsma Beton.