To provide an outer wall material and a roof material for achieving energy saving, in which heat storage material and composite heat storage material are contained.

Metal material, resin material, rubber material, heat absorbing material, and wood material are subjected to a process such as extrusion molding, folding or the like, in order to form a sealed space 4 inside, so that the shape of a desired outer wall material or roof material is obtained. The sealed internal space 4 of the molded product contains heat storage material 5 to form the outer wall material or the roof material.