Utilize to uncoated stonewool boards Supplying remarkable fire-resistance and relieve of installation, this duct wrap is an area-conserving choice to bulky fire protection procedures like gypsum wall shafts. What is the difference between fire-resistive rated duct assemblies and fire-protecting rated duct assemblies? They are really mostly Utilized in substantial compartments, https://kylerbtjxl.blogoxo.com/37209607/5-tips-about-fire-rated-insulation-for-ductworth-you-can-use-today