Perforated metal sheet absorptive sound acoustic proof barrier wall fence
Standard structure:
①Aluminum/galvanised perforated sheet 0.8mm (front) +galss or rock wool 95mm (middle) + aluminum/galvanised sheet 0.8mm (back)
②H beam 125x125mm
③Base plate
Perforation type: louver hole, round hole,
Surface finishing: metal part painted with polyester powder coating
Available color: Light grey, dak grey, white, beige, green, blue, yellow, black, red
Height:1m-5m
NRC(Noise reduction coefficient) 10～15dB(A)(125Hz～40000Hz, highest 20dB.
Applications:
Highway/road construction
Soil remediation projects
Power rental equipment
HVAC/Refrigeration rental equipment
Events and recreation
