This is related to a board designed for architectural interiors . By bonding a reinforcing plate to the body and more particularly of a thin plate having a thickness , prevents depression symptoms or thinning phenomenon that occurs after the installation and during the operation and construction that can improve the prevention of cracking of the body and simultaneously workability relates to the board for the interior . ; this devise is in building interiors that many consecutive placement on the wall or on the floor of the panel forming a uniform size and shape of the room , on the outer surface of the thin plate-like body once is extended characterized in that the reinforcing plate is made of a metal material formed with a projection formed .
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