WHIS®top & WHIS®wall in Merseburg, Germany

4Silence_WHIStop_Merseburg DE

WHIS®top & WHIS®wall along the L178n In Merseburg-Süd (Germany), Our diffractors are helping to create a quieter living environment along the L178n. We are proud that both the WHIS®top and WHIS®wall have been installed at this location, contributing significantly to noise reduction for the surrounding residential area. With more than half a kilometer of diffractors, […]

WHIS®barrier in Vreeland, the Netherlands

4Silence_WHISbarrier_Vreeland2_Nederland

Sustainable Noise Barrier Installation At the end of 2025, we successfully completed our final project of the year in Vreeland. In just one night, nearly 300 meters of WHIS®barrier were installed. This high-performance noise barrier solution contributes to a quieter and safer living environment for local residents and meets the strict requirements of modern infrastructure […]

WHIS®top in Harderwijk, the Netherlands

Harderweide 2025

Collaboration with Holland Scherm and the Municipality of Harderwijk The installation of the WHIS®top in Harderweide was made possible through the strong collaboration between Holland Scherm and the Municipality of Harderwijk. Together, we ensured that this innovative solution could be realized quickly and effectively. This partnership highlights the importance of cooperation between private companies and […]

WHIS®barrier in Amersfoort, the Netherlands

WHISbarrier Amersfoort

Strong Collaboration with Local Partners This project was made possible through a close collaboration with several trusted partners: DELTABLOC Nederland, Versluys Groep, Common Woods, Gemeente Amersfoort, Provincie Utrecht, BUKO infrasupport We are thankful for the great teamwork and shared commitment to enhancing infrastructure and environmental quality. Want to learn more about the WHIS®barrier?Visit our product […]

WHIS®stone in Wezep, the Netherlands

WHISstone in Wezep

In 2024, a WHIS®stone was installed in Wezep over a length of 200 meters. This innovative noise reduction solution uses the principle of diffraction to reduce traffic noise without compromising visibility or safety.

WHIS®wall in Euskirchen, Germany

Euskirchen Dld (2024)

In 2024, a 140-meter-long WHIS®wall was installed along a busy traffic route in Euskirchen, Germany. This cutting-edge noise solution from 4Silence combines a low-height noise barrier with a corten steel diffractor, achieving a sound reduction of 7 to 9 dB—equivalent to a traditional 3-meter-high barrier. Thanks to its modest height of only 1 meter, the […]

WHIS®top in Ireland, Ennis Co.Clare

WHIS®top in Ireland, Ennis Co.Clare

In Ireland, 4Silence has successfully implemented a 150-meter WHIS®top installation along a busy road. This innovative noise-reducing solution was realized in collaboration with COLAS & TIL, aiming to enhance the quality of life for nearby residents by effectively minimizing traffic noise. Why Choose WHIS®top? The WHIS®top is an advanced noise barrier designed to reflect and […]

WHIS®barrier in Soesterberg, the Netherlands

WHISbarrier in Soesterberg

In Soesterberg, a village in the Dutch province of Utrecht, 4Silence has installed 170 meters of WHIS®barrier along the busy Amersfoortsestraat. This innovative noise-reduction solution addresses growing concerns about traffic noise while preserving the area’s open character and natural surroundings. Why Soesterberg? Soesterberg was selected for this pilot project due to increasing traffic volumes and […]

WHIS®wall in Almere, Oosterwold NL

4Silence_WHISwall_Almere

The WHIS®wall is an innovative noise-reduction solution that smartly and sustainably creates a quieter environment. With its low height, it preserves the open character of Oosterwold while significantly reducing traffic noise. In this way, the WHIS®wall contributes to a pleasant and peaceful living environment, perfectly in line with the green and spacious atmosphere of Almere […]