Insulation: The time all through which the duct is subjected to fire until finally a decline of material insulation stability happens. PlenumWrap supplies very effective thermal insulation to maintain the pipe or cable coating temperature down below the important stage at which flame or smoke propagation occurs. Also, for ducts https://caswell-group79122.bloggosite.com/43773520/an-unbiased-view-of-fire-resistant-ductworth-isntallers