Fully encapsulated in aluminium foil for cleaner installation and resistance to grease or humidity ingress in service Our marketplace main FastWrap XL is definitely placed on ducts and gives successful seem absorptions and fire safety. FastWrap duct wrap is totally inorganic and non-combustible. It is possible to circumvent fire distribute https://fireratedductworth12344.ampblogs.com/a-review-of-fire-rated-insulation-for-ductworth-73611989