Johns Manville Whispertone® Micromat® is a lightweight, resilient, flame-attenuated, amber fiberglass insulation faced with an off-white fiberglass mat. It is specifically engineered for use in acoustical panel and office interior product applications that require an efficient sound absorbing medium with uniform color and thickness. Whispertone Micromat provides superior acoustical performance in minimal space and is resistant to vibration and shakedown. In addition, the mat facing provides a smooth surface and rigidity to the product that makes it easy to handle and fabricate.