GRAMM are noise barrier specialists for highways and roads. We design, supply & install unique/innovative systems offering value for money, high performance, reduced programme & low carbon.

Our noise barriers include:
- SmogStop air pollution barrier which removes 50% traffic pollution
- METASoundBlok a steel barrier offering 60-year life
- WhisWall low-level noise barrier efficient at 1M as 3M high barrier
- POLYSoundBlok recycled polymer barrier
- ECOSoundBlok living alternative to earth bund
- VRSSoundBlok combined safety & noise barrier