China noise barrier for sound insulation highway sound barrier wall

Length

≥0.5m

Hight

Customed

Thickness (unit piece)

≥50mm

Material

aluminum ,galvanized steel sheet ,etc

Hole Ratio

Customed

Hole Diameter

Customed

Pitch of Holes

Customed

Brace

100*100*8mm and offer customed

Flange plate

customed

Packing

PE film and Whaterproof material

RW

≥35dB

NRC

≥0.84

Post

H steel post

Post size

Depend on the size