Provided is a non-combustible heat-insulating panel that uses, as a core material, a laminate comprising a thermoplastic resin foam plate and a thermosetting resin foam plate, and that has high non-combustibility evaluation. In a panel in which a laminate in which a thermoplastic resin foam plate 10 and a thermosetting resin foam plate 20 are adhered via an adhesive layer 31 is used as a heat insulation layer and metal surface materials 40, 40 are adhered to both surfaces, protrusions and recesses 11 are formed on the surface of the thermoplastic resin foam plate 10 on the adhesion surface side with the thermosetting resin foam plate 20, The adhesive layer 31 and the adhesive layer 31 are formed of an expanded graphite-containing adhesive. Figure 1

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