The QuietSite Premium 4' x 8' Sound Barrier Panel 26466 provides high-performance noise reduction for construction, industrial, and infrastructure applications where sound control and professional presentation are critical. Each panel combines an acoustic-absorbing inner core with a durable, sound-reflecting exterior to reduce overall noise levels and create safer, more compliant job sites. Tested to ASTM E90 for sound transmission loss and ASTM C423 for sound absorption, QuietSite barriers can