Sound Controls Outdoor Noise Barrier (SCONB) product consists of pre-engineered, modular acoustical components that can be easily configured and assembled into enclosures, screens, partial enclosures and barriers to provide sound attenuation for many kinds of outdoor industrial, community and environmental noise problems.CONSTRUCTION FEATURES Standard panel modules available in 2, 4 and 5 thicknessesPanel modules available in 24, 36 and 48 unitsPanel lengths available up to 12-6Panels are self drainingFormed interlocking edges do not require any separate panel joinersStandard panel Sound Transmission Loss Ratings to STC 52Standard panel Sound Absorption Ratings to NRC 1.05Panels and components constructed from electro-galvanized steel, G90 galvanized steel, cold rolled steel, aluminum and stainless steel for optimum weather, corrosion and abuse resistanceComplete structural support systems available