A wall-material mounting member for mounting a plate-like wall material to a structural body, comprising: a fixed member including a base portion that can be fixed to the structural body; and a movable member including a movable main body (125L, 125R) configured to be movably supported by the fixed member, wherein the fixed member includes a guiding portion (111L, 111R) for movably guiding the movable main body (125L, 125R) in a first direction and accommodating the movable main body (125L, 125R), and a pressing portion (113L, 113R) for pressing the movable main body (125L, 125R) toward the guiding portion (111L, 111R), and the guiding portion (111L, 111R) and the pressing portion (113L, 113R) are configured so that the movable main body (125L, 125R) is supported between the guiding portion (111L, 111R) and the pressing portion (113L, 113R), wherein the movable member includes a protruding piece protruding from the movable main body (125L, 125R) in a second direction that intersects the first direction, and a locking piece protruding from the protruding piece in the first direction, and capable of locking an end portion of the wall material, wherein the protruding piece of the movable member is provided with a first tool engagement portion capable of taking on a force in the first direction, the locking piece of the movable member is provided with a second tool engagement portion capable of taking on a force in the first direction at a position that is displaced relative to the first tool engagement portion in the first direction, and the fixed member and the movable member are configured such that in use i) the movable member is slidably moved toward the fixed member along the guiding portion (111L, 111R) in the first direction by applying a force to the second tool engagement portion and further applying a force to the first tool engagement portion in the first direction, and ii) the movable main body (125L, 125R) is supported between the guiding portion (111L, 111R) and the pressing portion (113L, 113R), and the locking piece locks the end of portion of the wall material. a fixed member including a base portion that can be fixed to the structural body; and a movable member including a movable main body (125L, 125R) configured to be movably supported by the fixed member, wherein the fixed member includes a guiding portion (111L, 111R) for movably guiding the movable main body (125L, 125R) in a first direction and accommodating the movable main body (125L, 125R), and a pressing portion (113L, 113R) for pressing the movable main body (125L, 125R) toward the guiding portion (111L, 111R), and the guiding portion (111L, 111R) and the pressing portion (113L, 113R) are configured so that the movable main body (125L, 125R) is supported between the guiding portion (111L, 111R) and the pressing portion (113L, 113R), wherein the movable member includes a protruding piece protruding from the movable main body (125L, 125R) in a second direction that intersects the first direction, and a locking piece protruding from the protruding piece in the first direction, and capable of locking an end portion of the wall material, wherein the protruding piece of the movable member is provided with a first tool engagement portion capable of taking on a force in the first direction, the locking piece of the movable member is provided with a second tool engagement portion capable of taking on a force in the first direction at a position that is displaced relative to the first tool engagement portion in the first direction, and the fixed member and the movable member are configured such that in use i) the movable member is slidably moved toward the fixed member along the guiding portion (111L, 111R) in the first direction by applying a force to the second tool engagement portion and further applying a force to the first tool engagement portion in the first direction, and ii) the movable main body (125L, 125R) is supported between the guiding portion (111L, 111R) and the pressing portion (113L, 113R), and the locking piece locks the end of portion of the wall material. i) the movable member is slidably moved toward the fixed member along the guiding portion (111L, 111R) in the first direction by applying a force to the second tool engagement portion and further applying a force to the first tool engagement portion in the first direction, and ii) the movable main body (125L, 125R) is supported between the guiding portion (111L, 111R) and the pressing portion (113L, 113R), and the locking piece locks the end of portion of the wall material.