| 摘要 |
PROBLEM TO BE SOLVED: To provide a face member which is free from any damage of a conventional execution property, unnecessary for overlapping, excellent in fireproof performance, in particular, flame-retarding performance, inexpensive, and easy in execution. SOLUTION: A refractory metal sheet 3 is pre-stuck to a face side, a back side or both sides of the face plate 1 used in a ceiling, a wall, etc., and the metal sheet 3 includes a galvanized iron sheet or galvanized iron foil with a thickness of 50 micron to 0.3 mm, and the face plate 1 includes a gypsum board.
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