Wall panel for skip floor

Abstract

To provide a wall panel for a skip floor allowing both a fixation work for fixing a lower end part of the wall panel for the skip floor on the other structural material with bolts, and a fixation work for fixing an upper end part of the wall panel for the skip floor on the other structural material with bolts to be easily carried out.SOLUTION: A wall panel 20 for a skip floor arranged between a floor structural material (floor panel 10b) at a lower floor side and a floor structural material (floor panel 10c) at an upper floor side is provided with a frame body formed with edge members 2, and a surface member 3 bonded on both surfaces of the frame body, wherein a tool opening 21 at a lower side and a tool opening 22 at an upper sided positioned further above the tool opening 21 at the lower side are arranged in the surface member 3.SELECTED DRAWING: Figure 2

Description

[Technical field]

[0001] The present invention relates to a wall panel for a skip floor. [Background technology]

[0002] 2. Description of the Related Art Wall panels for a skip-floor structure formed by wall panels and floor panels with a height difference between floor surfaces of adjacent room spaces are known. The wall panel for a skip floor described in Patent Document 1 is made of wood, and is formed by bonding an upper panel to a lower panel via a half-split material with an adhesive. In addition, in this wall panel for a skip floor, a tool can be inserted through tool openings provided in the lower panel and the upper panel to tighten nuts attached to the upper and lower ends of through bolts that pass between the upper core material of the lower panel and the lower core material of the upper panel. In this wall panel for a skip floor, the upper panel is disposed at the rising portion of the step. Hereinafter, the upper panel will be referred to as the wall panel for a skip floor. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Publication No. 8-42023 Summary of the Invention [Problem to be solved by the invention]

[0004] In some cases, the lower end of a wall panel for a skip-floor structure is connected (fixed) to another structural material by bolts, and the upper end of the wall panel is connected (fixed) to another structural material by bolts. The lower end of the wall panel for a skip floor in Patent Document 1 is connected to a lower panel (another structural material) located below the wall panel for a skip floor by a through bolt. However, the upper end of the wall panel for a skip floor in Patent Document 1 is not connected (fixed) to another structural material by a bolt. The present invention has been made in consideration of the above-mentioned circumstances, and its object is to make it easy to perform both the fixing work of fixing the lower end of a wall panel for a skip floor to another structural material with a bolt, and the fixing work of fixing the upper end of a wall panel for a skip floor to another structural material with a bolt. [Means for solving the problem]

[0005] The invention described in claim 1 is, for example, as shown in Figs. 1 to 3, a wall panel 20 for a skip floor provided between a floor structural material (floor panel 10b) on a lower floor side and a floor structural material (floor panel 10c) on an upper floor side, A frame body formed by a frame material 2; and a surface material 3 attached to both sides of the frame body, The face material 3 is characterized in that it is provided with a lower tool opening 21 and an upper tool opening 22 located above the lower tool opening 21.

[0006] According to the invention described in claim 1, it is possible to insert a tool through the lower tool opening 21, so that the fixing work of fixing the lower end portion of the wall panel 20 for the skip floor to other structural materials with a bolt can be easily performed. Furthermore, since it is possible to insert tools through the upper tool opening 22, which is located higher than the lower tool opening 21, the work of fixing the upper end of the skip floor wall panel 20 to other structural materials with bolts can be easily performed.

[0007] The invention described in claim 2 is, for example, as shown in Figs. 2 and 3, in the wall panel 20 for a skip floor described in claim 1, The lower tool opening 21 is provided in a first surface material 3a attached to one surface of the frame body among the surface materials 3 attached to both surfaces of the frame body, The upper tool opening 22 is characterized in that it is provided in a second surface material 3b, which is affixed to the other surface of the frame body, out of the surface materials 3 affixed to both sides of the frame body.

[0008] According to the invention described in claim 2, the lower tool opening 21 and the upper tool opening 22 are provided in different panel materials 3, thereby enabling the structural strength of the wall panel 20 for the skip floor to be increased compared to when they are provided in the same panel material 3.

[0009] The invention described in claim 3 is, for example, as shown in FIG. 2, in the wall panel 20 for a skip floor described in claim 2, The first face material 3a is characterized in that it is provided at a position closer to the floor structural material (floor panel 10b) on the lower floor side than the second face material 3b.

[0010] According to the invention described in claim 3, the lower tool opening 21 is disposed at a position closer to the floor structural material (floor panel 10b) on the lower floor side than the upper tool opening 22. Therefore, the lower tool opening 21 can be used to wire, for example, electric wires or communication lines for the lower floor or to embed wiring devices such as switches and outlets for the lower floor, thereby reducing the effort required for embedding wiring and wiring devices.

[0011] The invention described in claim 4 is, for example, as shown in FIG. 3, in the wall panel 20 for a skip floor described in claim 1, The lower tool opening 21 and the upper tool opening 22 are characterized in that they do not overlap when viewed from a direction perpendicular to the face material 3 (front-rear direction).

[0012] According to the invention described in claim 4, the lower tool opening 21 and the upper tool opening 22 do not overlap when viewed from a direction perpendicular to the surface material 3 (front-to-back direction), thereby increasing the structural strength of the wall panel 20 for the skip floor compared to when they overlap.

[0013] The invention described in claim 5 is, for example, as shown in Figs. 1 to 3, in the wall panel 20 for a skip floor described in claim 1, The first through bolt 51 is connected to the first structural member (first wall panel 30a) arranged below the wall panel 20 for the skip floor, sandwiching the floor structural member (floor panel 10b) on the lower floor side, and It is characterized in that the second through bolt 61 connects the upper floor floor structural material (floor panel 10c) to a second structural material (second wall panel 30c) arranged above the skip floor wall panel 20, sandwiching the floor structural material (floor panel 10c) on the upper floor side.

[0014] According to the invention described in claim 5, the lower end of the wall panel 20 for the skip floor can be fixed by a through bolt that penetrates the first structural material (first wall panel 30a) and the floor structural material on the lower floor (floor panel 10b), and the upper end of the wall panel 20 for the skip floor can be fixed by a through bolt that penetrates the second structural material (second wall panel 30c) and the floor structural material on the upper floor (floor panel 10c), thereby making the installation state of the wall panel 20 for the skip floor strong and stable. Effect of the Invention

[0015] According to the present invention, both the fixing work of fixing the lower end of a wall panel for a skip floor to another structural material with a bolt, and the fixing work of fixing the upper end of a wall panel for a skip floor to another structural material with a bolt can be easily performed. [Brief description of the drawings]

[0016] [Figure 1] FIG. 1 is a vertical cross-sectional view showing a building having a split-floor structure. [Diagram 2] A vertical cross-sectional view showing a wall panel for a skip floor and its surroundings. [Diagram 3] 13A and 13B are diagrams showing the left end portion of a wall panel for a skip floor, where (a) is a front view, (b) is an oblique view from the front side, and (c) is an oblique view from the back side. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0017] Hereinafter, an embodiment of the present invention will be described with reference to the drawings. However, the embodiment described below is subject to various limitations that are technically preferable for implementing the present invention, but the technical scope of the present invention is not limited to the following embodiment and illustrated example. Note that the directions (front-back direction, up-down direction, left-right direction) in the following embodiment and illustrated example are set solely for the convenience of explanation.

[0018] "building" FIG. 1 is a vertical cross-sectional view showing an example of a building 1 having a split-floor structure. Building 1 is a two-story residence with a first floor, a 1.5th floor, and a second floor. In addition, although the building 1 in this embodiment is two stories, it is not limited to this and may have a skip floor. The location of the skip floor is also not limited to the 1.5th floor (i.e., between the 1st and 2nd floors) and can be changed as appropriate.

[0019] The building 1 is constructed using a wood-based panel construction method in which building components such as walls, floors, and roofs are panelized in advance at a factory, and these panels (wall panels, floor panels, roof panels, etc.) are assembled at the construction site. However, the method is not limited to this, and the building may be constructed using conventional frame construction, wall construction, two-by-four construction, etc. The panel is a wooden architectural panel that is made up of a rectangular frame of vertical and horizontal frame members 2 assembled into a rectangle, a frame body of which is made up of vertical and horizontal auxiliary beam members assembled inside the rectangular frame, and a facing material 3 attached to one or both sides of the frame body, resulting in a hollow structure. The hollow space inside (the back side of the facing material 3) is usually filled with insulating material such as glass wool or rock wool.

[0020] The building 1 is equipped with at least floor panels, a floor panel 10a constituting the first floor, a floor panel 10b constituting the 1.5th floor, and a floor panel 10c constituting the second floor. The building 1 also includes, as wall panels, at least a skip-floor wall panel 20, a first wall panel 30a constituting part of the wall on the first floor, and a second wall panel 30c constituting part of the wall on the second floor.

[0021] The wall panel 20 for the skip floor is provided between the floor panel 10b of the 1.5th floor and the floor panel 10c of the 2nd floor. In other words, the wall panel 20 for the skip floor is a lower wall panel and is disposed at the rising part of the step. The first wall panel 30a is provided below the skip-floor wall panel 20, sandwiching the 1.5th floor floor panel 10b therebetween. The second wall panel 30c is provided above the skip-floor wall panel 20, sandwiching the second floor floor panel 10c therebetween.

[0022] <<Configuration of wall panels for split-level floors>> FIG. 2 is a vertical cross-sectional view showing an example of a wall panel 20 for a skip floor and its vicinity. FIG. 3 shows an example of the left end portion of a wall panel 20 for a skip floor, where (a) is a front view, (b) is a perspective view from the front side, and (c) is a perspective view from the rear side. On the first wall panel 30a, there is placed an end portion (rear frame 2) of the 1.5th floor floor panel 10b and a first horizontal member 41 fixed to said end portion. On the end portion (rear frame 2) of the floor panel 10b and the first horizontal member 41 fixed to said end portion, there is placed a skip-floor wall panel 20. On the skip-floor wall panel 20, there is placed an end portion (front frame 2) of the 2nd floor floor panel 10c and a second horizontal member 42 fixed to said end portion. On the end portion (front frame 2) of the floor panel 10c and the second horizontal member 42 fixed to said end portion, there is placed a second wall panel 30c. The first cross member 41 and the second cross member 42 may have the same shape and dimensions or may have different shapes and dimensions.

[0023] Bolt insertion holes are provided at the boundary between the end (rear frame 2) of the floor panel 10b and the first cross member (gurst) 41 fixed to the end, at the upper end (upper frame 2) of the first wall panel 30a, and at the lower end (lower frame 2) of the skip-floor wall panel 20. First through bolts (gurst bolts) 51 are inserted into the bolt insertion holes. Nuts 52 are screwed via washers 53 to both ends of the first through bolt 51, specifically, to the portions of the first through bolt 51 protruding from the bolt insertion holes. That is, the skip-floor wall panel 20 is connected (fixed) to the first wall panel 30a by the first through bolt 51 via the floor panel 10b and the first cross member 41.

[0024] Bolt insertion holes are provided at the boundary between the end (front frame 2) of the floor panel 10c and the second cross member (gurst) 42 fixed to the end, at the lower end (lower frame 2) of the second wall panel 30c, and at the upper end (upper frame 2) of the skip-floor wall panel 20. Second through bolts (gurst bolts) 61 are inserted into the bolt insertion holes. Nuts 62 are screwed via washers 63 to both ends of the second through bolts 61, specifically, to the portions of the second through bolts 61 protruding from the bolt insertion holes. That is, the skip-floor wall panel 20 is connected (fixed) to the second wall panel 30c by the second through bolt 61 via the floor panel 10c and the second cross member 42. In addition, the connecting members (first through bolt 51, nut 52, washer 53) connecting the lower end of the skip floor wall panel 20 to the first wall panel 30a, and the connecting members (second through bolt 61, nut 62, washer 63) connecting the upper end of the skip floor wall panel 20 to the second wall panel 30c may be the same or different in shape and dimensions.

[0025] The skip-floor wall panel 20 is an architectural wood panel composed of a frame body formed by frame materials 2 (and auxiliary rail materials) and face materials 3 affixed to both sides of the frame body. That is, the skip-floor wall panel 20 comprises, as face materials 3, a first face material 3a affixed to one side of the frame body and a second face material 3b affixed to the other side of the frame body. The wall panel 20 for a skip floor is set, for example, so that its width (horizontal dimension) is longer than its height (vertical dimension). The wall panel 20 for a skip floor in this embodiment has a height of 275 mm, but is not limited to this.

[0026] The first panel 3a is attached to the front surface of the frame formed by the frame members 2 (and the auxiliary rail members), and the second panel 3b is attached to the rear surface of the frame. That is, of the pair of panel members 3 constituting the skip floor wall panel 20, the panel member 3 provided near the 1.5th floor floor panel 10b is the first panel member 3a, and the panel member 3 provided near the 2nd floor floor panel 10c is the second panel member 3b.

[0027] A lower tool opening 21 is formed in the first face material 3a, penetrating in the thickness direction (front-rear direction) of the skip floor wall panel 20. The lower tool opening 21 is provided so that a tool for tightening the nut 52 onto the first through bolt 51 can be inserted through the lower tool opening 21 to perform the tightening operation (fixing operation). The lower tool opening 21 in this embodiment is circular with a diameter of 100 mm, but the shape and dimensions of the lower tool opening 21 are not limited to this. An upper tool opening 22 is formed in the second face material 3b, penetrating in the thickness direction (front-rear direction) of the skip floor wall panel 20. The upper tool opening 22 is provided so that a tool for tightening the nut 62 onto the second through bolt 61 can be inserted through the upper tool opening 22 to perform the tightening operation (fixing operation). The upper tool opening 22 in this embodiment is circular with a diameter of 100 mm, but the shape and dimensions of the upper tool opening 22 are not limited to this.

[0028] 3(a), the lower tool opening 21 and the upper tool opening 22 are arranged in positions such that a line connecting their centers is parallel to the up-down direction when viewed from the penetration direction (front-rear direction). Furthermore, the lower tool opening 21 and the upper tool opening 22 are arranged in positions such that they do not overlap with each other when viewed from the penetration direction (front-rear direction). It should be noted that the positional relationship between the lower tool opening 21 and the upper tool opening 22 is not limited to this. For example, in this embodiment, the distance between the lower tool opening 21 and the upper tool opening 22 is set to 15 mm when viewed from the penetration direction (front-rear direction), but this is not limited to this.

[0029] The lower tool opening 21 is provided below the upper tool opening 22 . That is, the lower tool opening 21 is provided at a position closer to the first wall panel 30a (wall panel constituting a part of the wall of the first floor) than the upper tool opening 22. Therefore, it is easy to insert the nut 52 and the washer 53 through the lower tool opening 21 and attach them to the upper end of the first through bolt 51 that connects the skip floor wall panel 20 and the first wall panel 30a, and it is easy to tighten the nut 52 with a tool inserted through the lower tool opening 21. Furthermore, it is possible to use the lower tool opening 21 to wire, for example, electric wires and communication lines for the 1.5th floor, and to embed wiring devices such as switches and outlets for the 1.5th floor. Therefore, there is no need to provide a separate opening for wiring for the 1.5th floor or an opening for embedding wiring devices for the 1.5th floor, so the effort required for embedding wiring and wiring devices can be reduced.

[0030] Moreover, the upper tool opening 22 is provided at a position closer to the second wall panel 30c (a wall panel that constitutes a part of the wall of the second floor) than the lower tool opening 21. Therefore, it is easy to insert the nut 62 and the washer 63 from the upper tool opening 22 and attach them to the lower end of the second through bolt 61 that connects the skip floor wall panel 20 and the second wall panel 30c, and it is also easy to tighten the nut 62 with a tool inserted from the upper tool opening 22.

[0031] How to install wall panels for split-level floors Next, an example of a method for constructing the wall panel 20 for a skip-type floor will be described. First, the end portion (rear frame 2) of the floor panel 10b and the first cross member 41 fixed to said end portion are placed on the first wall panel 30a. At this time, the first through bolt 51 passing through the boundary between the end portion (rear frame 2) of the floor panel 10b and the first cross member 41 fixed to said end portion is placed so as to pass through the bolt insertion hole provided in the upper end portion (upper frame 2) of the first wall panel 30a. Next, the washer 53 and the nut 52 are inserted through a tool opening (not shown) provided in the first wall panel 30a and attached to the lower end of the first through bolt 51, and then the nut 52 is screwed in using a tool inserted through the tool opening.

[0032] Next, the wall panel 20 for the skip floor is placed on the end of the floor panel 10b (rear frame 2) and the first horizontal member 41 fixed to the end. At this time, the first through bolt 51 penetrating the upper end of the first wall panel 30a (upper frame 2) and the boundary between the end of the floor panel 10b (rear frame 2) and the first horizontal member 41 fixed to the end is placed in a state where it penetrates the bolt insertion hole provided in the lower end (lower frame 2) of the wall panel 20 for the skip floor. Also, at this time, the first surface member 3a of the wall panel 20 for the skip floor is placed so that the front side (1.5th floor side) faces. Next, a washer 53 and a nut 52 are inserted through the lower tool opening 21 and attached to the upper end of the first through bolt 51, and then the nut 52 is screwed in using a tool inserted through the lower tool opening 21. As a result, the lower end portion of the skip floor wall panel 20 is connected (fixed) to the first wall panel 30a.

[0033] Next, the end portion (front frame 2) of the floor panel 10c and the second cross member 42 fixed to said end portion are placed on the skip-floor wall panel 20. At that time, the floor panel 10c is placed so that the second through-bolt 61 passing through the boundary between the end portion (front frame 2) of the floor panel 10c and the second cross member 42 fixed to said end portion passes through the bolt insertion hole provided in the upper end portion (upper frame 2) of the skip-floor wall panel 20. Next, a washer 63 and a nut 62 are inserted through the upper tool opening 22 and attached to the lower end of the second through bolt 61, and then the nut 62 is screwed in using a tool inserted through the upper tool opening 22.

[0034] Next, the second wall panel 30c is placed on top of the end portion (front frame 2) of the floor panel 10c and the second cross member 42 fixed to said end portion. At this time, the second through bolt 61 penetrating the upper end portion (upper frame 2) of the skip floor wall panel 20 and the boundary between the end portion (front frame 2) of the floor panel 10c and the second cross member 42 fixed to said end portion is placed so as to pass through a bolt insertion hole provided in the lower end portion (lower frame 2) of the second wall panel 30c. Next, the washer 63 and the nut 62 are inserted through a tool opening (not shown) provided in the second wall panel 30c and attached to the upper end of the second through bolt 61, and then the nut 62 is screwed in using a tool inserted through the tool opening. As a result, the upper end portion of the skip floor wall panel 20 is connected (fixed) to the second wall panel 30c.

[0035] "effect" According to this embodiment, the following excellent effects are obtained. The wall panel 20 for a skip-floor in this embodiment is provided between a floor structural material (floor panel 10b) on the lower floor side and a floor structural material (floor panel 10c) on the upper floor side, and comprises a frame body formed by frame material 2 and a face material 3 attached to both sides of the frame body, and the face material 3 is provided with a lower tool opening 21 and an upper tool opening 22 located above the lower tool opening 21. This makes it possible to insert a tool through the lower tool opening 21, facilitating the fixing work (tightening work of screwing in the nut 52) ​​of fixing the lower end of the skip floor wall panel 20 to another structural material (first wall panel 30a) with a bolt (first through bolt 51). Furthermore, since it is possible to insert tools through the upper tool opening 22, which is located higher than the lower tool opening 21, the fixing work (tightening work of screwing in the nut 62) of fixing the upper end of the skip floor wall panel 20 to another structural material (second wall panel 30c) with a bolt (second through bolt 61) can be easily performed.

[0036] In addition, in the wall panel 20 for the skip floor of this embodiment, the lower tool opening 21 is provided in a first surface material 3a affixed to one side of the frame body formed by the frame material 2, among the surface materials 3 affixed to both sides of the frame body formed by the frame material 2, and the upper tool opening 22 is provided in a second surface material 3b affixed to the other side of the frame body, among the surface materials 3 affixed to both sides of the frame body formed by the frame material 2 (see Figures 2 and 3). Therefore, since the lower tool opening 21 and the upper tool opening 22 are provided in different panel materials 3, the structural strength of the wall panel 20 for the skip floor can be increased compared to when they are provided in the same panel material 3.

[0037] Incidentally, if the wall panel 20 for a skip-floor satisfies conditions such as having sufficient strength, the lower tool opening 21 and the upper tool opening 22 may be provided in the same panel 3. In addition, in this embodiment, the lower tool opening 21 is provided at the left end of the skip floor wall panel 20, but this is not limited to this. For example, the lower tool opening 21 may be provided at the right end of the skip floor wall panel 20, or may be provided in the center of the skip floor wall panel 20. Also, multiple lower tool openings 21 may be provided in one skip floor wall panel 20. In other words, the position and number of the lower tool openings 21 can be changed appropriately to match the position and number of the bolt insertion holes provided in the first structural material (first wall panel 30a). In addition, in this embodiment, the upper tool opening 22 is provided at the left end of the skip floor wall panel 20, but this is not limited to this. For example, the upper tool opening 22 may be provided at the right end of the skip floor wall panel 20, or in the center of the skip floor wall panel 20. Also, multiple upper tool openings 22 may be provided in one skip floor wall panel 20. In other words, the position and number of the upper tool openings 22 can be changed appropriately according to the position and number of the bolt insertion holes provided in the second structural material (second wall panel 30c).

[0038] Furthermore, in the skip-floor wall panel 20 of this embodiment, the first face material 3a is provided at a position closer to the floor structural material (floor panel 10b) on the lower floor side than the second face material 3b (see FIG. 2). That is, the lower tool opening 21 is disposed at a position closer to the floor structural material (floor panel 10b) on the lower floor side than the upper tool opening 22. Therefore, the lower tool opening 21 can be used to wire, for example, electric wires and communication lines for the 1.5th floor (for the lower floor) or to embed wiring devices such as switches and outlets for the 1.5th floor (for the lower floor), thereby reducing the effort required for embedding wiring and wiring devices.

[0039] In addition, in this embodiment of the wall panel 20 for the skip floor, the lower tool opening 21 and the upper tool opening 22 do not overlap when viewed from a direction perpendicular to the panel 3 (front-to-back direction) (see Figure 3(a)). Therefore, since the lower tool opening 21 and the upper tool opening 22 do not overlap when viewed from a direction perpendicular to the surface material 3 (front-to-back direction), the structural strength of the wall panel 20 for the skip floor can be increased compared to when they overlap. Furthermore, as long as the wall panel 20 for the skip floor meets conditions such as having sufficient strength, the lower tool opening 21 and the upper tool opening 22 may overlap when viewed from a direction perpendicular to the panel 3 (front-to-back direction).

[0040] In addition, the skip-floor wall panel 20 of this embodiment is connected by a first through bolt 51 to a first structural material (first wall panel 30a) arranged below the skip-floor wall panel 20, sandwiching the floor structural material (floor panel 10b) on the lower floor side, and is connected by a second through bolt 61 to a second structural material (second wall panel 30c) arranged above the skip-floor wall panel 20, sandwiching the floor structural material (floor panel 10c) on the upper floor side. Therefore, the lower end of the skip floor wall panel 20 can be fixed by a through bolt that penetrates the first structural material (first wall panel 30a) and the lower floor floor structural material (floor panel 10b), and the upper end of the skip floor wall panel 20 can be fixed by a through bolt that penetrates the second structural material (second wall panel 30c) and the upper floor floor structural material (floor panel 10c), making the installation state of the skip floor wall panel 20 strong and stable. The first structural material is not limited to the wall panel. For example, when the wall panel 20 for the skip floor is provided between the floor panel of the first floor (the floor structural material of the lower floor) and the floor panel of the 1.5th floor (the floor structural material of the upper floor), the first structural material may be the foundation of the building 1 or the like. Furthermore, the second structural material is not limited to a wall panel.

[0041] In recent years, there has been a demand for the realization of a decarbonized society through the promotion of carbon neutrality, which reduces carbon dioxide emissions to virtually zero, and for the achievement of the SDGs (Sustainable Development Goals), and the construction industry is also working to build buildings using wood, which has low carbon dioxide emissions. The building 1 of this embodiment is constructed using a wood-based panel construction method, and can contribute to the realization of a decarbonized society through the promotion of carbon neutrality and the achievement of the SDGs. [Explanation of symbols]

[0042] 2 Frame material 3. Surface material 3a First side material 3b Second side material 10b Floor panel (floor structural material for the lower floor) 10c Floor panel (upper floor structural material) 20 Wall panels for split-level floors 21 Lower tool opening 22 Upper tool opening 30a First wall panel (first structural material) 30c Second wall panel (second structural material) 51 First through bolt 61 Second through bolt

Claims

1. A wall panel for a skip floor installed between a floor structural material on a lower floor side and a floor structural material on an upper floor side, A frame body formed by a frame material; and a surface material attached to both sides of the frame body, A wall panel for a skip-floor, characterized in that the surface material is provided with a lower tool opening and an upper tool opening located above the lower tool opening.

2. The wall panel for a skip floor according to claim 1, The lower tool opening is provided in a first surface material attached to one surface of the frame body among the surface materials attached to both surfaces of the frame body, A wall panel for a skip floor, characterized in that the upper tool opening is provided in a second surface material affixed to the other surface of the frame body, out of the surface materials affixed to both sides of the frame body.

3. The wall panel for a skip floor according to claim 2, A wall panel for a skip-floor, characterized in that the first panel is located closer to the floor structural material on the lower floor than the second panel.

4. The wall panel for a skip floor according to claim 1, A wall panel for a skip-floor, characterized in that the lower tool opening and the upper tool opening do not overlap when viewed from a direction perpendicular to the surface material.

5. The wall panel for a skip floor according to claim 1, The first through bolt is connected to the first structural member arranged below the wall panel for the skip floor, sandwiching the floor structural member on the lower floor side, A wall panel for a skip floor, characterized in that it is connected to a second structural material arranged above the wall panel for a skip floor by a second through bolt, sandwiching the floor structural material on the upper floor side.

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