| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for producing a hollow structural sheet capable of stably producing a hollow structural sheet having satisfactory surface smoothness, and a hollow structural sheet.SOLUTION: In a pasting step of pasting a surface material made of a thermoplastic resin and lying in a molten state or a softened state on the face in which at least recessed parts are formed in an intermediate body 3 made of one or two molding sheets in which a plurality of recessed parts are formed on at least one side, the surface material 2 and the intermediate body 3 are pasted in a state where a belt-like supporting body 1 is adhered on the non-pasted face in the surface material 2, and, after the solidification of the surface material 2, the supporting body 1 is peeled from the surface material 2. |
