JP6025340B2 - Wall panel and wall panel construction method - Google Patents

Description

  The present invention relates to a technique for improving the aesthetics of the exterior and interior of a building such as a house, and more particularly relates to the structure of a wall panel constituting a wall of the exterior and interior.

  Conventionally, the exterior and interior walls have been constructed by arranging plate-like (panel-like) wall panels side by side in the exterior (outer wall) and interior (interior walls, passage walls, etc.) of buildings such as houses. It has been broken. Adjacent wall panels are joined to form a series of wall surfaces that are continuous in appearance.

  Panels that are tiled or brick-like by making irregularities on the front surface are also known. For example, tile panels in which vertical and horizontal joints are formed between the tiles (see, for example, Patent Document 1) and the like. Ceramic outer wall materials that form a brick-like pattern design by press molding are known.

  Patent Document 1 relates to a tile panel configured to paste a plurality of tiles on a surface of a plate-like panel base material so as to provide joints with a predetermined width, and makes joint misalignment between adjacent tile panels less noticeable. The technology is disclosed. Specifically, by providing chamfered portions at the corners of each tile, the joint displacement between adjacent tile panels is not conspicuous.

JP 2002-364152 A

  For example, in the wall panels adjacent to the left and right, as shown in FIG. 7A, the horizontal joint 91a of the left wall panel 90A and the horizontal joint 91b of the right wall panel 90B are not misaligned in the vertical direction. It is desirable that no deviation occurs. This is because the left and right horizontal joints 91a and 91b form a straight line 92, and the aesthetic appearance is also good.

  On the other hand, as shown in FIG. 7B, when a vertical shift occurs between the horizontal joint 91a of the left wall panel 90A and the horizontal joint 91b of the right wall panel 90B, a joint shift 93 is generated. If joint misalignment 93 occurs in this way, the left and right lateral joints 91a and 91b constitute a step-like (crank-like) line 94, and there is a concern that construction defects and wall panel manufacturing defects may occur. The For example, in the case where the joint width 91w of the horizontal joints 91a and 91b is 2 mm, if the width of the joint displacement 93 exceeds 2.5 mm, a situation in which the joint displacement is easily noticeable occurs.

  In particular, if the step-like lines 94 are continuously arranged in the vertical direction, the impression of visually directional misalignment is given, that is, the right wall panel 90B is entirely displaced upward. , There is a concern that it gives the impression that. In such a case, even if the amount of joint misalignment 93 is small, there is a possibility that it may give an impression that a large misalignment has occurred, and there is a concern that this may be a serious problem in aesthetics. The

  Further, as shown in FIG. 7C, a straight line 92 passing through the left and right horizontal joints 91a and 91b is formed by widening the horizontal joints 91a and 91b in order to absorb joint misalignment. It is also possible to do.

  However, the design of the front surfaces of the wall panels 90A and 90B has a design restriction that the width of the horizontal joints 91a and 91b has to be widened, and the ridgeline 95a of the convex surface 95 becomes prominent. There is a concern that a stair-like line 96 is formed by the ridgeline 95a, and the impression that the joint displacement is visually directed is given.

  On the other hand, according to the technique disclosed in Patent Document 1 described above, the misalignment becomes inconspicuous, but it is necessary to provide a chamfered portion, and the tile tone that gives a sharp impression without the chamfered portion. It is difficult to apply the technology to wall panels that form brick-like uneven patterns. Further, this is not a solution to the problem of giving the impression that the visual misalignment has a directionality.

  Therefore, in view of the above problems, the present invention proposes a novel technique for making joint misalignment inconspicuous with respect to joint misalignment between adjacent wall panels.

  The problem to be solved by the present invention is as described above. Next, means for solving the problem will be described.

That is, as described in claim 1,
A wall panel formed by forming a pattern by forming irregularities on the surface of a rectangular flat plate,
A plurality of convex portions are arranged in a square pattern over the entire area of the flat plate at the raised portions formed in a square shape,
A recess is disposed as a joint between the raised portions,
A wide joint formed in the width direction and a narrow joint formed in the width direction are formed on the edges of the two opposite vertical sides of the wall panel,
When the wall panels are placed side by side, the joint disposed on one edge of the two edges and the joint disposed on the other edge of the two edges face each other and face each other. One that fits is a wide joint, the other is a narrow joint,
A narrow joint is located between the wide joints,
When wall panels are placed side by side,
A wide joint at one edge portion of one wall panel and a first portion opposed to a narrow joint at the other edge portion of the other wall panel;
A narrow joint at one edge part of one wall panel and a second part opposed to a wide joint at the other edge part of the other wall panel are formed,
In each of the first part and the second part, there is a narrow joint in the range of the wide joint in the longitudinal direction, and a straight line that is substantially horizontal at the joint line in which the wide joint and the narrow joint are continuously formed. Shaped lines are formed,
The first part and the second part are wall panels configured to be randomly present in the longitudinal direction .

Moreover, as described in claim 2,
A wall surface construction method using a wall panel formed by forming irregularities on the surface of a rectangular flat plate,
The wall panel is
A plurality of convex portions are arranged in a square pattern over the entire area of the flat plate at the raised portions formed in a square shape,
A recess is disposed as a joint between the raised portions,
A wide joint formed in the width direction and a narrow joint formed in the width direction are formed on the edges of the two opposite vertical sides of the wall panel,
When the wall panels are placed side by side, the joint disposed on one edge of the two edges and the joint disposed on the other edge of the two edges face each other and face each other. One that fits is a wide joint, the other is a narrow joint, and a narrow joint is located between the wide joints,
Wall panels next to each other,
A wide joint at one edge portion of one wall panel and a first portion opposed to a narrow joint at the other edge portion of the other wall panel;
Forming a narrow joint at one edge portion of one wall panel and a second portion facing a wide joint at the other edge portion of the other wall panel;
In each of the first part and the second part, there is a narrow joint in the range of the wide joint in the longitudinal direction, and a straight line that is substantially horizontal at the joint line in which the wide joint and the narrow joint are continuously formed. Shaped lines,
The first part and the second part are randomly present in the longitudinal direction;
A wall surface construction method using wall panels.

  According to the present invention, it is possible to make the joint misalignment inconspicuous by the wide joint and the narrow joint.

It is a figure explaining the structure of the characteristic joint of this invention. It is a figure explaining the structure of a wall panel. It is a figure explaining the setting of the width | variety of a joint. (A) is a figure explaining the structure which arrange | positions a 1st site | part and a 2nd site | part alternately. (B) is a figure explaining the structure which arrange | positions a 1st site | part and a 2nd site | part at random. (A) is a figure explaining the case where the joint gap in Example 1 has not arisen. (B) It is a figure explaining the case where a right side wall panel shifts to the upper side and a joint gap arises. (C) It is a figure explaining the case where a right wall panel shifts | deviates to a lower side and a joint gap arises. (A) is a figure explaining the case where the joint gap in Example 2 has not arisen. (B) It is a figure explaining the case where an upper wall panel shift | deviates to the left side and a joint gap arises. (C) It is a figure explaining the case where an upper wall panel shifts | deviates to the right side and a joint gap arises. (A) is a figure explaining the ideal construction state in which a joint gap does not arise. (B) is a figure explaining the example by which a staircase-like line is comprised by joint misalignment. (C) is a figure explaining the example which comprises a joint width widely.

Next, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 illustrates a characteristic configuration of the present invention.
At the boundary KV when the wall panels 1A and 1B are adjacent to each other, the horizontal joints 11a and 11b (joints) for forming joint lines 20H that face each other and are continuous,
A first portion 31 configured such that the width Wa of the horizontal joint 11a of one wall panel 1A is wider than the width Wb of the horizontal joint 11b of the other wall panel 1B;
A second portion 32 configured such that the width Wa of the horizontal joint 11a of one wall panel 1A is narrower than the width Wb of the horizontal joint 11b of the other wall panel 1B;
The wall panels 1A and 1B are configured to form

  As a result, the joint line 20H continuous across the horizontal joint 11a of one wall panel 1A and the horizontal joint 11b of the other wall panel 1B is straight (in the case of a horizontal joint, substantially horizontal, in the case of a vertical joint) It is possible to make the misalignment less noticeable. In addition, since the widths of all the horizontal joints 11a and 11b are not uniformly widened, the design of the front surface of the wall panels 1A and 1B has fewer joint width restrictions and suppresses design restrictions. It becomes possible.

  Hereinafter, an embodiment will be described. FIG. 1 shows a state in which a plurality of wall panels 1A to 1D are arranged side by side, and the characteristic configuration is enlarged in the present invention. The wall panels 1A and 1B are adjacent to each other in the horizontal direction, and the wall panels 1C and 1D are adjacent to each other in the horizontal direction. A vertical joint joint 50V is formed between the wall panels adjacent in the horizontal direction. The The joint joint 50V may be closed by filling a joint material.

  Similarly, the wall panels 1A and 1C are adjacent to each other in the vertical direction, and the wall panels 1B and 1D are adjacent to each other in the vertical direction. Is formed. The joint joint 50H may be closed by filling a joint material.

  Each of the wall panels 1A to 1D is used to constitute an exterior (outer wall) or interior (interior wall, passage wall, etc.) of a building such as a house. For example, a pattern design such as a brick tone is formed by press molding. A ceramic wall material or a tile panel formed by arranging a member such as a tile on a plate-like base material can be considered. As shown in FIG. 1, groove-shaped horizontal joints 11a, 11b and vertical joints 12x and 12y are formed.

  As shown in FIG. 2, when the ceramic wall material 1 </ b> A is configured, a prescribed pattern (pattern design) 3 can be easily formed by applying unevenness to the front surface 2 by press molding. Thus, the same pattern (design) is formed on the front surface 2 of the wall panels 1A to 1D shown in FIG. That is, wall panel 1A-1D is comprised as the same thing.

  The wall panel 1A of FIG. 2 is configured in a rectangular plate shape, and the four sides constituting the edge are illustrated as an upper edge 5A, a lower edge 6A, a right edge 7A, and a left edge 8A for convenience. Of the edges of the wall panel 1A, the width of the horizontal joint 11a (wide joint) formed in the edge portion 7a of the right edge 7A is a pair of edges composed of the right edge 7A and the left edge 8A facing each other. The first portion 31 wider than the width of the horizontal joint 11b (narrow joint) formed at the edge portion 8a of the other left edge 8A and the horizontal joint 11a (at the edge portion 7a of the right edge 7A) The second portion 32 is configured such that the width of the narrow joint) is narrower than the width of the horizontal joint 11b (wide joint) formed in the edge portion 8a of the other left edge 8A.

  Thereby, as shown in the enlarged portion of FIG. 1, the width Wa of the horizontal joint 11 a is wider than the width Wb of the horizontal joint 11 b in the first part 31, and the horizontal joint 11 a in the second part 32. The width Wa can be narrower than the width Wb of the horizontal joint 11b.

  In configuring the first part 31 and the second part 32, the widths Wa and Wb of the horizontal joints 11a and 11b are preferably set based on the assumed joint displacement 40. Specifically, for example, as in the example of the first part 31 shown in FIG. 3, when the amount of deviation 40 between the vertical center line 11m of the horizontal joint 11a and the vertical center line 11n of the horizontal joint 11b is maximized. Even so, the horizontal joint 11b having a narrow vertical width is accommodated in the horizontal joint 11a having a large vertical width, and the joint line 20H configured by continuously connecting the horizontal joints 11a and 11b has a substantially horizontal straight line. A setting that can be configured is conceivable.

  In other words, on the convex surfaces 15a and 15b adjacent to the left and right, the lower ridge line 15u of the convex surface 15a constituting the wide horizontal joint 11a is disposed above the lower ridge line 15v of the convex surface 15b constituting the narrow horizontal joint 11b. It becomes the setting.

  As described above, the joint line 20H forms a substantially horizontal straight line, so that a step-like (crank-like) line is not formed, and the joint displacement is visually directional. It is possible to make it difficult to give an impression.

  The widths Wa and Wb of the horizontal joints 11a and 11b are set by arranging the convex surfaces 15 (see FIG. 1) having a uniform surface area, and by appropriately arranging the convex surfaces 15 having different surface areas. It is possible to set. In addition, the shape of the convex surface 15 can be a square, a trapezoid, or the like in addition to a rectangle.

  Further, in the example of FIG. 2, when two wall panels are arranged side by side in the horizontal direction, the joint width of the horizontal joint 11a of the edge portion 7a of the right edge 7A and the edge of the left edge 8A at the same position in the vertical direction. The joint widths of the horizontal joints 11b of the part 8a are not designed to match all, but are different from those in which irregularities are simply formed on the wall panel so as to have a uniform joint width.

  Similarly, in the left and right lateral joints 11v and 11w in the left and right direction of the wall panel 1A in FIG. 2, similarly in the inner portion 60 between the edge portion 7a of the right edge 7A and the edge portion 8a of the left edge 8A. The first portion 31H in which the width Wv of the horizontal joint 11v is wider than the width Ww of the horizontal joint 11w and the second portion 32H in which the width Wv of the horizontal joint 11v is narrower than the width Ww of the horizontal joint 11w are configured. preferable.

  Thereby, also in the inner side part 60, the structure similar to the boundary part KV of wall panel 1A, 1B (refer FIG. 1) adjacent on the right and left will be implement | achieved, and the presence of the boundary part KV will be made inconspicuous. Is possible.

  Further, as shown in FIG. 4 (A), the first portion 31 and the second portion 32 are alternately arranged in the vertical direction, and as shown in FIG. 4 (B), the first portion 31 and the second portion 32 are arranged in the vertical direction. It is good also as the two site | parts 32 being comprised at random. According to the form of FIG. 4 (B), compared to the case where the wide and narrow horizontal joints 11a and 11b are alternately arranged regularly as in the form of FIG. The direction of the visual shift that occurs is blurred, that is, it is possible to make it difficult to focus without causing the concentration of the line of sight caused by regularity.

  Thereby, according to the form of FIG.4 (B), even if it is a case where a joint gap arises, compared with the case of FIG. 4 (A), it becomes possible to make a joint slip more inconspicuous. .

  In addition, although the random structure of the 1st site | part 31 and the 2nd site | part 32 is not specifically limited, For example, making the number of the 1st site | parts 31 and the 2nd site | parts 32 which exist in one wall panel match. It may be possible to secure the balance of the design. Moreover, the form of FIG.4 (B) is the same also about arrangement | positioning of the 1st site | part 41 (refer FIG. 1) and the 2nd site | part 42 (refer FIG. 1) about the vertical joint mentioned later.

  Further, as described above, as shown in FIG. 1 and FIG. 2, among the edges of the wall panel 1 </ b> A, in the configuration of a set of edges including the right edge 7 </ b> A and the left edge 8 </ b> A, In addition to making the second portion 32 and making the horizontal joints 11a, 11b inconspicuous, the pair of the upper edge 5A and the lower edge 6A of the wall panel 1A. Similarly, the first part 41 and the second part 42 that are the same as the first part 31 and the second part 32 may be formed at the edge.

  Thereby, even in the relationship between the wall panels 1B and 1D adjacent to each other in the vertical direction, the joint line 20V configured by continuously connecting the vertical joints 12x and 12y can form a substantially vertical straight line. . Similarly, in the vertical inner portion 60 of the wall panel 1A shown in FIG. 2, in the relationship between the vertical joint 12v and the vertical joint 12w, the boundary portion KH between the wall panels 1B and 1D (see FIG. 1) adjacent to each other in the vertical direction. It is preferable to realize the same configuration of the first part 41V and the second part 42V.

  As described above, in the present embodiment, as shown in FIG. 1, at the boundary portion KV when the wall panels 1A and 1B are adjacent to each other, a horizontal eye for forming a joint line 20H facing each other and continuing is formed. For the grounds 11a and 11b, the first portion 31 configured such that the width Wa of the horizontal joint 11a of one wall panel 1A is wider than the width Wb of the horizontal joint 11b of the other wall panel 1B, and the horizontal joint of one wall panel 1A. The wall panel is configured to form the second portion 32 configured such that the width Wa of the ground 11a is narrower than the width Wb of the horizontal joint 11b of the other wall panel 1B.

  Similarly, in the boundary portion KH when the wall panels 1B and 1D are adjacent to each other, the vertical joints 12x and 12y for forming joint joint lines 20V facing each other and the vertical joints 12x of one wall panel 1B. The width Wx of the second wall panel 1D is wider than the width Wy of the vertical joint 12y, and the width Wx of the vertical joint 12x of one wall panel 1B is the vertical joint 12y of the other wall panel 1B. The wall panel is configured to form the second portion 42 configured to be narrower than the width Wy.

  As described above, the joint lines 20H and 20V continuous across the adjacent wall panels are formed in a straight line (substantially horizontal in the case of a horizontal joint and substantially vertical in the case of a vertical joint), and the joint misalignment is conspicuous. It becomes possible to make it difficult. In addition, since the width of all joints is not uniformly increased, the design of the front surface of the wall panel has fewer joint width restrictions, and the design restrictions can be suppressed.

  Further, in the relationship between the wall panels 1A, 1B adjacent in the horizontal direction and the relationship between the wall panels 1B, 1D adjacent in the vertical direction, in either one or both relationships, 31, the second part 32, the first part 41, and the second part 42 can be formed.

  In the present embodiment, the first part 31, the second part 32, the first part 41, and the second part 42 are formed in both the horizontal direction and the vertical direction, respectively. For example, the first part 31 and the second part 32 are configured only in the relationship between the wall panels 1A and 1B adjacent in the horizontal direction, and only the misalignment in the vertical direction is made inconspicuous. It is good as well.

  Further, as shown in FIG. 2, the first part 31H, the second part 32H, the second part 32H, the inner part 60 (inner part 60) from the boundaries KV, KH (see FIG. 1) when the wall panels are adjacent to each other. It is preferable that the one part 41H and the second part 42H are configured.

  Thereby, also in an inner site | part, the structure similar to the boundary parts KV and KH of an adjacent wall panel will be implement | achieved, and it becomes possible to make the presence of the boundary parts KV and KH more inconspicuous.

  Further, as shown in FIG. 4B, the first part 31 and the second part 32 in the vertical direction (or the first part 41 (see FIG. 1) and the second part 42 in the left-right direction (see FIG. 1). ) May be randomly configured).

  According to this, compared with the case where the first portion 31 and the second portion 32 are alternately arranged regularly as in the form of FIG. The directionality is blurred, that is, it is possible to make it difficult to focus without causing the concentration of the line of sight caused by regularity, and it is possible to make the misalignment more inconspicuous.

  And by implementing the construction method using the wall panel 1A according to the configuration of the present invention, the joint misalignment becomes inconspicuous after the construction, and it is possible to configure the appearance that is excellent in beauty.

  Further, it is assumed that the wall panel 1A as shown in FIG. 2 is used as it is, and that the wall panel 1A is cut (cut) into a predetermined width and used at the construction site. Even in such a case, in the boundary portions KV and KH of the cut parts, the construction is performed so that the configurations of the first part 31H, the second part 32H, the first part 41H, and the second part 42H are realized. According to this, the misalignment at the cut site can be made inconspicuous.

  That is, when the wall panel 1A is cut to a predetermined size, the first portion 31H, the second portion 32H, the first portion are formed in the boundary portions KV and KH including the edge portion that is cut and newly formed. The construction method is to cut so as to realize the configuration of the part 41H and the second part 42H.

  As described above, according to the configuration of the present invention, it is possible to make the misalignment inconspicuous even when the dimension adjustment is required at the construction site.

As can be seen from the above embodiments, the present invention is characterized by the following points.
That is, a wall panel 1A formed by forming a pattern by forming irregularities on the surface of a rectangular flat plate,
A plurality of protruding portions formed in a square shape are arranged in a cross-beam shape throughout the flat plate,
The recess is a joint between the raised parts,
The wall panel 1A is characterized in that the joint width of at least one side edge of the flat plate is formed by a wide joint formed wide and a narrow joint formed narrow.

  Further, a wide joint 11a and a narrow joint 11b are formed on two opposing sides of the wall panel.

In addition, one of the joints at the other end opposite to the joint at one end is formed at the wide joint 11a and the other at the narrow joint 11b,
The narrow joints are formed so as to be positioned between the wide joints when adjacent to each other or rotated.
Note that “rotation” is to change the angle of the wall panel by 180 degrees while maintaining the relationship between the back surface and the front surface of the wall panel. It means to reverse the relationship.

  In addition to the joints at the end portions, the joints located in the plane were formed by wide joints and narrow joints.

  Moreover, the wall panel was formed with ceramic materials.

Moreover, it is a construction method of a wall surface using a wall panel formed by forming irregularities on the surface of a rectangular flat plate,
A plurality of protruding portions formed in a square shape are arranged in a cross-beam shape throughout the flat plate,
The recess is a joint between the raised parts,
The joint width of at least one side edge of the flat plate is formed by a wide joint formed wide and a narrow joint formed narrow,
Forming wall panels with ceramic materials,
Form wide joints and narrow joints on two opposite sides of the wall panel,
The joint at the other end opposite to the joint at one end is formed with one wide joint and the other narrow joint,
It is formed so that narrow joints are located between wide joints when they are placed next to each other or rotated.
It was set as the construction method of the wall panel characterized by this.

  FIG. 5 shows an example in which it is assumed that there is a vertical shift between the wall panels 1A and 1B adjacent to the left and right.

  As shown in FIG. 5A, the horizontal joint 11a is a narrow joint having a joint width of 1 mm, and the horizontal joint 11b adjacent to the horizontal joint 11a is a wide joint having a joint width of 6 mm. The wall panels 1A and 1B have a horizontally long rectangular shape as shown in FIG. 2 and have a width of 1820 mm and a length of 466 mm. Further, the dimensions of the convex surface 15 are 227 mm in width and 30 mm in length (in FIG. 5, the scale is ignored).

  As shown in FIG. 5B, even if the right wall panel 1B is displaced by 2.5 mm upward, the straight joint line 20H is formed, so that the joint misalignment is not noticeable. Become.

  Further, as shown in FIG. 5C, even when the right wall panel 1B is shifted downward by 2.5 mm, the straight joint line 20H is formed, so that the joint misalignment is not noticeable. It becomes.

  FIG. 6 shows an example in which it is assumed that there is a shift in the left-right direction between the wall panels 1B, 1D adjacent in the vertical direction.

  As shown in FIG. 6A, the vertical joint 12a is a narrow joint having a joint width of 1 mm, and the vertical joint 12b adjacent to the vertical joint 12a is a wide joint having a joint width of 6 mm. The wall panels 1B and 1D have a vertically long rectangular shape as shown in FIG. 2, and have a vertical width of 1820 mm and a vertical width of 466 mm. The dimensions of the convex surface 15 are a vertical width of 227 mm and a vertical width of 30 mm (in FIG. 5, the scale is ignored).

  As shown in FIG. 6B, even when the upper wall panel 1D is shifted to the left by 2.5 mm, the straight joint line 20V is formed, so that the joint misalignment is hardly noticeable. Become.

  In addition, as shown in FIG. 6C, even when the upper wall panel 1D is shifted to the right by 2.5 mm, the straight joint line 20V is formed, so that the joint displacement is not noticeable. Become.

  INDUSTRIAL APPLICABILITY The present invention can be widely applied as means for making wall panel misalignment inconspicuous to form an exterior (outer wall) or interior (interior wall, passage wall, etc.) of a building such as a house.

1A Wall panel 1B Wall panel 5A Upper edge 6A Lower edge 7A Right edge 7a Edge part 8A Left edge 8a Edge part 11a Horizontal joint 11b Horizontal joint 12a Vertical joint 12b Vertical joint 15 Convex 20H Joint line 20V Joint line 31 First part 32 Two parts 40 Displacement 50H Joint joint 50V Joint joint 60 Inner part KH Boundary part KV Boundary part Wa width Wb width

Claims (2)

A wall panel formed by forming a pattern by forming irregularities on the surface of a rectangular flat plate,
A plurality of convex portions are arranged in a square pattern over the entire area of the flat plate at the raised portions formed in a square shape,
A recess is disposed as a joint between the raised portions,
A wide joint formed in the width direction and a narrow joint formed in the width direction are formed on the edges of the two opposite vertical sides of the wall panel,
When the wall panels are placed side by side, the joint disposed on one edge of the two edges and the joint disposed on the other edge of the two edges face each other and face each other. One that fits is a wide joint, the other is a narrow joint,
A narrow joint is located between the wide joints,
When wall panels are placed side by side,
A wide joint at one edge portion of one wall panel and a first portion opposed to a narrow joint at the other edge portion of the other wall panel;
A narrow joint at one edge part of one wall panel and a second part opposed to a wide joint at the other edge part of the other wall panel are formed,
In each of the first part and the second part, there is a narrow joint in the range of the wide joint in the longitudinal direction, and a straight line that is substantially horizontal at the joint line in which the wide joint and the narrow joint are continuously formed. Shaped lines are formed,
The wall panel configured such that the first part and the second part are randomly present in the longitudinal direction . A wall surface construction method using a wall panel formed by forming irregularities on the surface of a rectangular flat plate,
The wall panel is
A plurality of convex portions are arranged in a square pattern over the entire area of the flat plate at the raised portions formed in a square shape,
A recess is disposed as a joint between the raised portions,
A wide joint formed in the width direction and a narrow joint formed in the width direction are formed on the edges of the two opposite vertical sides of the wall panel,
When the wall panels are placed side by side, the joint disposed on one edge of the two edges and the joint disposed on the other edge of the two edges face each other and face each other. One that fits is a wide joint, the other is a narrow joint, and a narrow joint is located between the wide joints,
Wall panels next to each other,
A wide joint at one edge portion of one wall panel and a first portion opposed to a narrow joint at the other edge portion of the other wall panel;
Forming a narrow joint at one edge portion of one wall panel and a second portion facing a wide joint at the other edge portion of the other wall panel;
In each of the first part and the second part, there is a narrow joint in the range of the wide joint in the longitudinal direction, and a straight line that is substantially horizontal at the joint line in which the wide joint and the narrow joint are continuously formed. Shaped lines,
The first part and the second part are randomly present in the longitudinal direction;
Wall surface construction method using wall panels.

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