To provide a curing board for the floor surface or the like which facilitates such handling as conveyance or the like, and at the same time, facilitating the construction work at a site, especially the dimensional setting or the like for a curing member adjusted to an area of a floor and also having a sufficiently high protection effect.

A curing board 1 for floor surface or the like is equipped with a hard board main body 2 having proper length, width and thickness dimensions, and in a type of packing when the board main body 2 is conveyed at a site, the width dimension is made portable dimension so as to be capable of having the curing board carried under the arm of a worker M engaged in carrying work.