... 2. fiberglass celings 3. sound absorbing 4. good fire proof 5. office , lab, hospital ceiling. DESCRIPTION:fiberglass ceilingLONRACE sound ... It features good sound absorbing effect, heat preservation, high fire retardant, high strength level ,beautiful decorative effect, etc. ... no environment and condition to exist and multiply. 5. property of levelAdapt double-facing fiberglass felt to compound ...