Fiberglass Acoustical Ceiling Board inoshandisa yakakwira-density girazi shinda sechinhu chigadziko, iyo nzvimbo yakafukidzwa nependi inoburitsa ruzha, uye masaisai eruzha haabudise kuratidzwa kwemafungu pamusoro payo, iyo inogona kudzora nekugadzirisa yemukati reverberation nguva, kuderedza ruzha rwemukati, echo, etc. Girazi faibha yekushongedza pamusoro, yakakwira-density girazi mvere mukati, hapana guruva, ruvara uye chimiro chinogona kugadzirwa, chakareruka uye nekukurumidza kuvaka. yezvakatenderedza, mapaneru anoshandiswa zvakanyanya muhotera, makamuri emisangano, maodhitoriyamu, makamuri emimhanzi, maraibhurari, nezvimwewo, uko kune yakakosha chikumbiro chekunzwa inzwi.