The QuietSite Premium 4' x 6' Sound Barrier Panel model 26462 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 barrie