Armstrong FINE FISSURED HIGH NRC is a mineral acoustic ceiling tile in 20 mm and available in Board, Tegular 24, and Tegular 15 BE edge details. With its fissured surface, it offers a good balance of sound absorption and sound attenuation. It also has good light reflectance and RH99 humidity resistance performance. This makes Armstrong FINE FISSURED HIGH NRC a good choice for education, offices, transportation hubs, private offices, collaborative areas, cafeterias, and conference rooms. Armstrong FINE FISSURED HIGH NRC has received a Very Good rating under the Singapore Green Building Product (SGBP) certification in South & North East Asia and holds GRIHA and GreenPro sustainability certifications in India.