FastWrap XL is formulated specifically to provide the very best general performance fire insulation of kitchen and ventilation ductwork worldwide. Uninsulated air flow duct assemblies are meant to be used in environments the place the clearance to combustible resources and combustible assemblies is not less than eighteen inches. ROCKWOOL Curtainrock® https://sergiobuiwl.yomoblog.com/43668653/the-fact-about-fire-rated-ductworth-that-no-one-is-suggesting