Testing Whisper Walls products meets Class-A test requirements of ASTM-E84 & ASTM-E2573 as required under the 2009 International Fire Code (IFC) and 2009 International Building Code (IBC). Please see testing reports below. Fire Fire - NFPA 265 - Whisper Walls Download Fire - E84 - Whisper Walls 1/2 inch System Download Fire - E84 - Whisper Walls 9/16 inch System Download Fire - E84 - Whisper Walls 3/4 inch System Download Fire - E84 - Whisper Walls 1 inch System Download Fire - E84 - Whisper Walls 1 inch PVC Free System Download Fire - E84 - Whisper Walls 1 1/8 inch System Download Fire - E84 - Whisper Walls 2 inch System Download Fire - E84 - WhisperSpan Full System Download Fire - E84 - WhisperSpan Fabric Only Download Fire - E84 - WhisperBaffle Full System Download Fire - E84 - WhisperMural Full System Download Fire - E84 - WhisperTak Download Fire - E84 - WhisperTune/WhisperCloud/WhisperArt Download Acoustical Acoustical - Type A - Whisper Walls - Acoustitherm 600 Download Acoustical - Type H - Baffle Download Acoustical - Type A - WhisperSpan 2 inch Download Acoustical - Type E400 - WhisperSpan 1.5 inch Download Acoustical - Type A - WhisperSpan 1.5 inch Download Acoustical - Type A - Whisper Walls - Acoustitherm 600HD 1 inch Download Acoustical - Type A - WhisperTak 1 layer Download Light Reflectance Light Reflectance - WhisperSpan Fabric - Natural Download