To provide a fireproof laminate sheet excellent in fireproof and heat shielding properties when exposed to high heat.SOLUTION: The fireproof laminate sheet is obtained by laminating a first hard PVC sheet, a soft PVC sheet, and a second hard PVC sheet in this order, where the soft PVC sheet is composed of a soft polyvinyl chloride composition, the first hard PVC sheet and the second hard PVC sheet are composed of hard polyvinylchloride compositions, and the soft PVC sheet contains a phosphoric acid ester-based plasticizer, phosphorous acid aluminum, and heat-expandable graphite.SELECTED DRAWING: None

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