PURPOSE: To measure the thickness of a film executed on a concrete foundation by using a film thickness meter nondestructively and at any arbitrary position. ;CONSTITUTION: In a fishing method for executing a film finishing material 3 on the surface of a concrete wall 1, a metal coating layer 2 is formed by thermally spraying or applying a metal or a paint including the metal to the surface of the concrete wall 1 in advance. Then, a work is carried out while measuring the film thickness of the applied finish material layer 3 nondestructively by using a film thickness meter 4.;COPYRIGHT: (C)1995,JPO
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