To provide an ornamental material as a simple structure which can positively and easily ornament around an opening frame when an opening panel is to be arranged on the inside measurement surface of the opening by simply fixing it temporary to the fringe of the opening frame mounted on the opening panel.

An ornamental material 10 is mounted on at least one fringe of opening frames 20a to 20d positioned on the inner side of an opening panel forming an opening 40 of the building. The neighborhood of the fringe of the opening frames 20a to 20d is made possible to be ornamented when the ornamental material 10 is mounted on the opening frames 20a to 20d regarding the ornamental material 10 to be closed to a U-shaped cross section provided with an engagement to be fitted into a mounting groove formed on the opening frames 20a to 20d, a fitting groove into which the fringe side of the opening frames 20a to 20d will be fitted, and a cover which will by positioned on the outside of the fitting groove.