Anti-Microbial resist and inhibit the growth of mold and mildew and help improve IAQ. Energy Efficient OC insulation enhances air temperature and reduces noice, Accostically rated. All components are self-extinguishing and will not deteriorate in a fite until the melting point of glass. Heavy woven and coated fiberglass cloth core will not puncture or tear, eliminating "blow out" and costly callback. LifeTime Warranty