| System Thickness | Core Material | NRC | Test Facility |
|---|---|---|---|
| ½" Square System Sound Absorption Test PDF | Fiberglass, 7 pcf | .50 | Architectural Testing, York, PA |
| 1" Square System Sound Absorption Test PDF | Fiberglass, 6 pcf | .80 | Architectural Testing, York, PA |
| 1" Square System Sound Absorption Test PDF | Fiberglass, 3 pcf | .85 | Noise Unlimited, Somerville, NJ |
| 2" Square System Sound Absorption Test PDF | Fiberglass, 6 pcf | 1.00 | Western Electro-Acoustic Labs, Santa Clarita, CA |