Abstract: A fire-retardant sheet comprising superposed layers including a plastic material with a metal foil on one side and a further plastic sheet or layer laminated thereto with the interposition of a wire mesh.
Abstract: A fire-retardant sheet comprising, as four superposed layers, a fire-retardant paper sheet, coated on one surface with a plastic material and on the other surface with a metal foil and having a scrim of fibreglass between the foil and paper, said sheet additionally comprising a further plastic sheet or layer laminated thereto with the interposition of a mesh.