Data Sheet: 
Armstrong Commercial Fine Fissured High NRC/High CAC Item 4121s
Fine Fissured High NRC/High CAC
Item 4121S
- Nondirectional visual reduces installation time and scrap
- Excellent sound absorption and reduces reflected sound effectively
- Work as a barrier to airborne sound intrusion between two closed rooms
- Humidity-resistant, HumiGuard Plus performance to inhibit panel sag. Formulated to withstand conditions with temperatures up to 49°C and relative humidity up to 99%
- Typical Applications • Office area • Retail • Healthcare spaces • Public areas • Education
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