Noise barriers Landscaped barriers, it is a mesh fence, placed between the sound source and the sound receiver. Highly decrease the sound effect among the sound receivers. Pattern: acr shaped or flat straight pattern. Height of noise barriers: 2000mm, 2500mm, 3000mm Standard space between the post:1000mm, 2000mm, 2500mm . Material of the noise barriers: metal barriers, punched hole metal mesh , frp noise barriers, etc Usage: railway noise barriers, highway noise barries, landscaped bariers, etc High-speed rail noise barriers: Size:l1960mmxw500mmxt140mm Post: h shape steel. L1960mmxw500mmxt140mm