| Tectum® acoustical ceilings are made from sustainably harvested natural fibers and offer a unique, durable, acoustic solution. The panels feature UL® Certified acoustics with excellent sound absorption (NRC up to 0.90). They’re ideal for Indoor Environmental Quality (IEQ) and, as part of the Sustain® portfolio, help make your decisions simpler with verified material transparency. Learn more about ceilings designed to be tough on noise but easy on the environment at: armstrongceilings.com/sustain UL® is a registered trademark of UL LLC; all other trademarks used herein are the property of AWI Licensing LLC and/or its affiliates. | 