Source google image: https://upload.ecvv.com/upload/UserImage/20141011/FireproofconstructionbuildingxpeWeaveclothantiglarethermalInsulationmaterial_68c05178-059e-4c7e-8b16-169094931bb0.jpg
Isolation or insulation
Source google image: https://upload.ecvv.com/upload/UserImage/20141011/FireproofconstructionbuildingxpeWeaveclothantiglarethermalInsulationmaterial_68c05178-059e-4c7e-8b16-169094931bb0.jpg