Down load (pdf 515.96kb) Let's get the job done with each other to choose the most effective fire rated duct wrap for your personal up coming design venture. Coming up with a safer place for folks and machines For ducts, the fire resistance Restrict is decided by the EI normal https://caswell-group45566.answerblogs.com/36868684/the-ultimate-guide-to-fire-resistant-ductworth-isntallers