Overview of Acoustical Test Data

Product Test Report STC Rating NRC Rating
Empire “Silent Screen”
2.75″ Thick Absorptive Panel
16 guage Backtray
RAL-TL92-204
RAL-A08-007
35 1.00
Empire “Silent Screen Septum”
4″ Thick Absorptive Panel
18 guage Backtray
RAL-TL90-352
RAL-A90-462
39 1.1
Empire “M-90 Septum”
3.5″ Thick Absorptive Panel – Backless
Perforated Metal Septum 
RAL-A90-461 1.15
Empire “M-90”
Absorptive Panel – Backless
22 Gauge
RAL-A90-1 1.1
Empire “M-90 Backed”
2.5″ Thick Absorptive Panel
18 guage Backer Plate
RAL-TL90-71
RAL-A90-1
37 .09
Empire “Angle-Lock”
Reflective Panel
RAL-TL98-127 22

* For additional information or copies of these test results, please call us.  All other test reports are included in this manual.