A molded article having both of sufficient strength and peel resistance, especially a heat insulating material for a high temperature furnace, is provided.A carbon fiber-containing stacked molded article 1 comprises a substrate 10 composed of first carbon fibers piled, and a woven fabric layer 20 located on at least one surface of the substrate 10, and composed of carbon fiber spun yarns 21 including second carbon fibers 22 having an average fiber diameter of 12 μm or less, and third carbon fibers 23 having an average fiber diameter in excess of 12 μm.