Insulating blankets or felts containing high temperature resistant fibers; insulating blankets or felts containing high temperature resistant fibers having at least one side backed with a laminate scrim; and insulating blankets or felts containing high temperature resistant fibers encapsulated within a laminate scrim, all for service penetration fire stops, for exhaust and ventilation ductwork

ceramic fiber blanket or felt material for use as passive fire protection for ducts in commercial and industrial buildings

ceramic fiber for use as cable insulation and air duct insulation and felt for use as cable insulation and air duct insulation

Endothermic materials, namely, insulating materials

endothermic coatings