PlenumWrap offers really productive thermal insulation to keep up the pipe or cable coating temperature down below the vital stage at which flame or smoke propagation takes place. For ducts, the fire resistance limit is determined via the EI standard in fire resistance, which includes: This provides peace of mind https://ductworthinstallation90112.dailyblogzz.com/37166149/facts-about-fire-resistant-ductworth-isntallers-revealed