A laminate of a primer layer and a urethane coating film waterproof layer is provided on the asphalt waterproof layer, and discoloration of the urethane coating film waterproof layer is suppressed. A method for manufacturing a laminate, comprising: A primer layer formation step of forming a primer layer, which is a cured layer of a primer layer formation composition, on an asphalt waterproof layer; and a urethane coating film formation step of forming a urethane coating film waterproof layer on the primer layer, The primer layer-forming composition comprises a first compound E having two or more epoxy groups in the molecule and a second compound H having two or more curable functional groups capable of reacting with the epoxy groups in the molecule, wherein at least one of the first compound E and the second compound H has an average valence of more than 2.5 and x is an integer...

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