Foaming adhesive sheet and method for producing product

A foaming adhesive sheet comprising a substrate and an adhesive layer placed on at least one surface side of the substrate;

• wherein:
• the adhesive layer is placed on an outermost surface;
• the adhesive layer includes a curable adhesive, and a foaming agent;
• a peeling force of a surface side where the adhesive layer is placed, measured by SAICAS (Surface And Interfacial Cutting Analysis System) method is 2.0 N or more;
• an intermediate layer is placed between the substrate and the adhesive layer;
• and the intermediate layer includes a cross-linked resin;
• or the intermediate layer includes a resin selected from a group consisting of:
• polyester, polyvinyl chloride, polyvinyl acetate, polyurethane, a polymer obtained by copolymerizing at least two or more of polyester, polyvinyl chloride, polyvinyl acetate, and polyurethane, a cross-linked material of at least two or more of polyester, polyvinyl chloride, polyvinyl acetate, polyurethane, and a polymer obtained by copolymerizing at least two or more of polyester, polyvinyl chloride, polyvinyl acetate, and polyurethane, and a combination thereof.