KR20240040483A - Wall panel unit module for modular type house and wall panel assembly method using the same - Google Patents

Abstract

The wall panel unit module according to the present invention includes a square-shaped wooden frame with an opening formed in the center; First and second finishing materials respectively attached to one side and the opposite side of the wooden frame to close the opening; At least one pipe having the shape of a hollow pipe, which is inserted into an internal space surrounded by the wooden frame, the first finishing material, and the second finishing material; and a filler that fills the internal space.

Description

Wall panel unit module of a modular house and method of assembling and forming wall panels using the same {WALL PANEL UNIT MODULE FOR MODULAR TYPE HOUSE AND WALL PANEL ASSEMBLY METHOD USING THE SAME}

The present invention relates to a wall panel unit module for a modular house and a method of assembling and forming wall panels using the same. In more detail, the present invention relates to a wall panel unit module with excellent fire resistance manufactured using eco-friendly materials such as wood, rice straw, and red clay, and a method of assembling and forming wall panels using the same.

A typical steel-framed house is built by erecting pillars on site after foundation construction, installing girders on the pillars, pouring concrete by combining floor form and rebar, and attaching non-structural walls. This conventional steel frame house construction method requires excessive effort and time for on-site work, and has the problem of showing significant differences in the degree of completion of the house depending on the skill level of the worker.

Accordingly, a lightweight wall modular construction method was developed to ensure shortening of construction period and simplicity of construction. An example of a modular house 1 manufactured through this modular construction method is shown in FIG. 1. As shown in Figure 1, a plurality of pillars (4) are connected between a pre-fabricated lower frame (2) and an upper frame (3), and a pre-fabricated wall panel (5) is formed between the pillars (4). By combining, the modular house (1) can be completed. Because construction is simple, the construction period can be greatly shortened, and since most components are transported to the work site in a pre-fabricated state, there is an advantage in that it is not highly dependent on the skills of field workers.

Meanwhile, as shown in FIG. 2, the conventional wall panel 5 may be in the form of a wooden square timber 6 and an insulating material 8 inserted between a pair of plywood boards 7. However, the insulation material 8 does not completely fill the inside of the wall panel 5, and an empty space 9 may exist. The empty space 9 may be used to reduce the weight of the wall and increase insulation properties.

However, in this conventional wall panel 5, since the insulation material 8 is present inside the wall panel 5, the fire on the surface (plywood, 7) of the wall 10 burns the wood squares 6. The problem is that it is difficult to prevent it from spreading throughout the building.

Republic of Korea Patent No. 10-0643075

The object of the present invention is to provide wall panel unit modules and walls that have an environmental improvement effect and have excellent fire resistance by using eco-friendly materials.

However, the problem to be solved by the present invention is not limited to the above-described problem, and may be expanded in various ways without departing from the spirit and scope of the present invention.

In order to achieve the object of the present invention described above, the wall panel unit module according to exemplary embodiments includes a rectangular wooden frame with an opening formed in the center, and each attached to one side and the opposite side of the wooden frame to open the opening. A first finishing material and a second finishing material that close, the wooden frame, the first finishing material, and at least one pipe inserted into an internal space surrounded by the second finishing material and having a hollow pipe shape, and a filler that fills the internal space. Includes.

In this case, the first finish may include OSB plywood, the second finish may include tatami, and the tubing may include bamboo.

In one embodiment, the filler may include 45% to 55% by weight of red clay, 25% to 35% by weight of humus, and 5% to 15% by weight of expanded polystyrene.

In order to achieve the above-described object of the present invention, the method of assembling and forming wall panels according to exemplary embodiments includes the steps of connecting wooden squares to produce a wooden frame in the form of a picture frame with an opening in the center, one side of the wooden frame Attaching a plate-shaped first finishing material to close the opening, inserting a plurality of pipe-shaped pipes into an internal space surrounded by the wooden frame and the first finishing material, preventing the pipes from being exposed to the outside. Attaching a second plate-shaped finishing material to the opposite side of the wooden frame, connecting a plurality of wooden frames to each other to form the external shape of the wooden panel, attaching the external shape of the wooden panel to a pillar, the first forming a plurality of through holes in a finishing material, injecting a filler into the outer shape of the wooden panel surrounded by the wooden frame and the first and second finishing materials, and applying a third finishing material to the surface of the first finishing material. It may include a forming step.

Since the wall panel unit module according to exemplary embodiments of the present invention is made of eco-friendly materials such as rice straw, bamboo, and red clay, the use of harmful building materials can be minimized and the effect of reducing carbon emissions can be obtained.

In addition, the wall panel unit module according to exemplary embodiments of the present invention can increase the rigidity of the wall 10 while significantly reducing its weight by filling the interior with hollow pipe materials. Accordingly, the difficulty of raising the wall and attaching it to the pillar can be greatly reduced.

In addition, the wall panel unit module according to exemplary embodiments of the present invention attaches tatami mats with a higher combustion temperature than wood to the outer surface and fills the interior with red clay concrete with excellent fire resistance, so that in the event of a fire, the wall is burned down or It can prevent collapse.

1 is a diagram showing a conventional modular house.
Figure 2 is a view showing the wall panel of Figure 1.
Figure 3 is a diagram showing a wall panel according to an embodiment of the present invention.
Figure 4 is a cross-sectional view of the wall panel of Figure 3 taken along line I-I'.
Figure 5 is a cross-sectional view of the wall panel of Figure 3 taken along line II-II'.
Figure 6 is a flowchart for explaining the steps of the wall panel assembly method according to an embodiment of the present invention.
Figure 7 is a flowchart for explaining the steps of a wall panel assembly method according to another embodiment of the present invention.

Regarding the embodiments of the present invention disclosed in the text, specific structural and functional descriptions are merely illustrative for the purpose of explaining the embodiments of the present invention, and the embodiments of the present invention may be implemented in various forms. It should not be construed as limited to the embodiments described in.

Since the present invention can be subject to various changes and have various forms, specific embodiments will be illustrated in the drawings and described in detail in the text. However, this is not intended to limit the present invention to a specific disclosed form, and should be understood to include all changes, equivalents, and substitutes included in the spirit and technical scope of the present invention.

Terms such as first, second, etc. may be used to describe various components, but the components should not be limited by the terms. The above terms may be used for the purpose of distinguishing one component from another component. For example, a first component may be referred to as a second component, and similarly, the second component may be referred to as a first component without departing from the scope of the present invention.

When a component is said to be "connected" or "connected" to another component, it is understood that it may be directly connected to or connected to the other component, but that other components may exist in between. It should be. On the other hand, when it is mentioned that a component is “directly connected” or “directly connected” to another component, it should be understood that there are no other components in between. Other expressions that describe the relationship between components, such as "between" and "immediately between" or "neighboring" and "directly adjacent to" should be interpreted similarly.

The terms used in this application are only used to describe specific embodiments and are not intended to limit the invention. Singular expressions include plural expressions unless the context clearly dictates otherwise. In this application, terms such as “comprise” or “have” are intended to designate the presence of a described feature, number, step, operation, component, part, or combination thereof, but are not intended to indicate the presence of one or more other features or numbers. It should be understood that this does not preclude the existence or addition of steps, operations, components, parts, or combinations thereof.

Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by a person of ordinary skill in the technical field to which the present invention pertains. Terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the related technology, and unless clearly defined in the present application, should not be interpreted as having an ideal or excessively formal meaning. .

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the attached drawings. The same reference numerals are used for the same components in the drawings, and duplicate descriptions for the same components are omitted.

Figure 3 is a view showing a wall panel according to an embodiment of the present invention, Figure 4 is a cross-sectional view of the wall panel of Figure 3 cut along the line I-I', and Figure 5 is a view showing the wall panel of Figure 3 along line II- This is a cross-sectional view cut along the ‘II’ line.

3 to 5, the wall panel 10 according to the present invention is composed of a plurality of wall panel unit modules 100, and the wall panel unit module 100 includes a wooden frame 110 and a first finishing material. (120), a second finishing material (130), a pipe material (140), and a filler material (150).

Meanwhile, the wall panel 10 may be coupled between a pair of pillars 20 standing in a vertical direction on the ground or a floor panel (not shown). At this time, the wall panel 10 can be firmly coupled to the pillar 20 by the connecting member 30 and the fixing member 31. For example, a 'ㄷ' shaped connecting member 30 is coupled to the end of the wall panel 10, and the connecting member 30 is attached to the pillar 20 using a fixing member 31 such as a screw or bolt. can be combined. Accordingly, the wall panel 10 can be firmly attached between the pair of pillars 20. However, it is sufficient to firmly couple the wall panel 10 to the pillar 20, and it is not necessary to use the connecting member 30 and the fixing member 31.

As shown in FIG. 5, the wall panel 10 may have a plurality of wall panel unit modules 100. Specifically, the wall panel 10 can be manufactured by manufacturing a plurality of wall panel unit modules 100 and combining the manufactured wall panel unit modules 100 to form one wall panel 10. Alternatively, one wall panel 10 can be completed by first manufacturing a wooden frame 110 divided into a plurality of zones using wooden squares, and constructing wall panel unit modules inside the zones. . These two methods differ only in the manufacturing sequence, but can have the same shape and configuration in the finished state. Therefore, hereinafter, it will be assumed that a plurality of wall panel unit modules 100 are manufactured and then combined to complete the wall panel 10, and only the wall panel unit module 100 will be described.

The wooden frame 110 forms the outer shape of the wall panel unit module 100 and may be a square-shaped wooden frame with an empty center.

For example, the wooden frame 110 includes a two-by-four (2"×4") standard wooden square whose cross-section has a vertical side of 38 mm and a horizontal side of 89 mm, or the cross-section has a vertical side of 38 mm and It may include a two-by-six (2" x 6") standard wooden square with a side length of 140 mm. Since the wooden frame 110 is made by connecting the wooden pieces in the form of a picture frame, an opening may be formed in the center portion.

The opening of the wooden frame 110 may be closed by the first finishing material 120 and the second finishing material 130. Specifically, as shown in FIG. 4, a first finishing material 120 may be coupled to one side of the wooden frame 110, and a second finishing material 130 may be coupled to the opposite side. Accordingly, the opening of the wooden frame 110 can be completely obscured.

The first finishing material 120 has a rectangular plate shape and can be attached to one surface of the wooden frame 110 to close the opening of the wooden frame 110.

In one embodiment, the first finishing material 120 may be plywood. At this time, the plywood may be a plate-shaped material made by overlapping and bonding veneers cut from solid wood into thin thicknesses so that the fiber directions of each veneer are perpendicular to each other. For example, the first finishing material 120 is OSB plywood (Oriented Strand Board), and the thickness may be about 10 mm to 15 mm.

The second finishing material 130 has a square plate shape and is attached in the opposite direction to the first finishing material 120 around the wooden frame 110 to close the opening of the wooden frame 110. there is.

In one embodiment, the second finishing material 130 may include rice straw, mat, etc. At this time, the mat may be woven by finely splitting the stems of pine or rushes. At this time, the rice straw has a higher combustion temperature than wood. Therefore, compared to the conventional wall panel 5 whose exterior is finished with plywood, the wall panel 10 according to the present invention may have better fire resistance.

For example, the second finishing material 130 is a straw mat, and the thickness may be about 40 mm to 60 mm. The tatami has the advantage of being light, having excellent sound absorption performance, and being well ventilated. In addition, the tatami mat has excellent thermal insulation properties and can function as an insulating material.

Meanwhile, the wall panel unit module 100 may be attached between the pillars 20 so that the first finishing material 120 is exposed to the outside, or alternatively, the wall panel unit module 100 may be attached to the pillars 20 so that the second finishing material 130 is exposed to the outside. ) may be attached between the

In one embodiment, the first finishing material 120 and the second finishing material 130 may be manufactured from the same material. For example, both the first finishing material 120 and the second finishing material 130 may include tatami mats. In this case, the fire resistance of the wall panel unit module 100 can be further improved. Alternatively, both the first finishing material 120 and the second finishing material 130 may include plywood. In this case, the fire resistance of the wall panel unit module 100 is somewhat lower, but it can have an advantage in terms of material supply and demand.

The interior of the wall panel unit module 100 surrounded by the wooden frame 110, the first finishing material 120, and the second finishing material 130 may be filled with a pipe 140 and a filler 150.

The pipe 140 has a hollow pipe shape, and a plurality of pipes 140 may be inserted into the wall panel unit module 100. For example, as shown in FIG. 5, a plurality of pipes 140 arranged in a direction parallel to and perpendicular to the ground may be inserted into the wall panel unit module 100. The number or arrangement of the pipes 140 inserted into the wall panel unit module 100 may be appropriately changed depending on the material or thickness of the pipes 140, the size of the wall panel unit module 100, the material of the filler 150, etc. You can. For example, the diameter of the pipe 140 may be about 30 mm to 50 mm.

Meanwhile, by inserting the pipe 140 into the wall panel unit module 100, the amount of filler 150 injected into the wall panel unit module 100 can be reduced. In particular, since the pipe 140 is empty inside and has a small weight compared to its volume, the weight of the wall panel unit module 100 can be greatly reduced compared to the case where the pipe 140 is not inserted inside the wall panel unit module 100. You can. Accordingly, there is an advantage in that the difficulty of erecting the wall panel unit module 100 or the wall panel 10 and attaching it to the pillar 20 can be greatly reduced.

In addition, the effect of increasing the rigidity of the wall panel unit module 100 can be obtained by filling the interior of the wall panel unit module 100 with the pipes 140 crossing in a direction parallel to the ground and in a direction perpendicular to the ground. there is.

Additionally, since the pipe 140 is empty inside, it can be utilized as a passage for electric wires, etc. to pass through. Specifically, when a hole is drilled in the wooden frame 110 and an electric wire is inserted into the wall panel unit module 100, the inserted electric wire can be simply extended through the inner space of the pipe 140. Accordingly, the wire penetrating the wall panel 10 can be easily installed, and the wire may not be exposed to the outside, thereby improving the aesthetics of the interior.

In one embodiment, the pipe 140 may be a vegetable material such as bamboo or sorghum, or a plastic material. In this case, the weight of the wall panel unit module 100 can be further reduced. In particular, when using plant-based materials as the pipe material 140, discarded eco-friendly materials can be used as valuable resources, and the effect of reducing carbon emissions can also be obtained.

The filler 150 is a component that fills the interior of the wall panel unit module 100 and may include loess soil. At this time, the red clay is a natural soil composed of silica and soil containing iron oxide, and refers to an eco-friendly material that has a red or yellow color depending on the area from which it is collected. Since the red clay has excellent fire resistance and heat resistance, it can prevent the wall panel 10 from being completely burned down or collapsed in the event of a fire.

In one embodiment, the filler 150 may include 45% to 55% by weight of red clay, 25% to 35% by weight of humus, and 5% to 15% by weight of expanded polystyrene (EPS). You can. At this time, the humus refers to soil created by decay of leaves or small branches by microorganisms.

In one embodiment, the wall panel unit module 100 may further include a third finishing material (not shown) attached to the outside of the first finishing material 120 or the second finishing material 130. For example, the third finishing material may be plywood, OSB plywood, laminal plywood, gypsum board, red clay, etc.

Specifically, if the second finishing material 130 includes rice straw or mat, its outer surface may not be smooth, which may result in poor aesthetics. In this case, the aesthetics of the exterior can be improved by additionally attaching the third finishing material to the outside of the second finishing material 130. Additionally, even when plywood or the like is used as the first finishing material 120, the third finishing material may be additionally attached to the outside of the first finishing material 120. Specifically, when curing the filler 150, a plurality of through holes (not shown) may be formed in the first finishing material 120 for smooth moisture discharge and rapid curing. In this case, the third finishing material may be used to cover the through holes.

The wall panel 10 can be manufactured by connecting a plurality of wall panel unit modules 100. At this time, the wall panel 10 shown in FIG. 5 can be completed by leaving the openings 11 for windows or doors empty and connecting the wall panel unit modules 100 only in the remaining space.

As described above, the wall panel unit module 100 according to the present invention is made of eco-friendly materials such as a second finishing material 130 containing rice straw, a pipe material 140 containing a vegetable material, and a filler 150 containing red clay. It can be produced using Therefore, the use of harmful building materials such as concrete can be minimized and the effect of reducing carbon emissions can be achieved.

In addition, by filling the wall panel unit module 100 according to the present invention with a hollow pipe 140, the rigidity of the wall panel unit module 100 can be increased while the weight can be greatly reduced. Accordingly, the weight of the wall panel 10 can be reduced, and the difficulty of standing the wall panel 10 and attaching it to the pillar 20 can be greatly reduced.

In addition, the wall panel unit module 100 according to the present invention attaches a second finishing material 130 with a higher combustion temperature than wood on one side, and fills the inside with red clay with excellent fire resistance, so that in the event of a fire, the wall panel ( 10) It can be prevented from burning down or collapsing. In particular, since the second finishing material 130, which acts as an insulating material, constitutes the outer surface of the wall 10, it is possible to prevent the fire from spreading throughout the building in the early stages of the fire.

Hereinafter, with reference to FIGS. 6 and 7 , a method of assembling and forming a wall panel using the above-described wall panel unit module 100 will be described. FIG. 6 is a flowchart for explaining steps in a wall panel assembly method according to an embodiment of the present invention, and FIG. 7 is a flowchart for explaining steps in a wall panel assembly method according to another embodiment of the present invention.

At this time, FIG. 6 is a flowchart showing a method of first manufacturing wall panel unit modules 100 and then connecting a plurality of wall panel unit modules 100 to construct the wall panel 10. Unlike this, Figure 7 shows one wooden frame 110 divided into a plurality of zones using wooden squares, and each wall panel unit module is manufactured inside the zones to complete one wall panel 10. This is a flowchart showing the method.

First, referring to FIG. 6, the wall panel assembly and formation method according to the first embodiment of the present invention includes the steps of manufacturing a wooden frame (S100), attaching the first finishing material (S110), and inserting the pipe material (S100). S120), attaching the second finishing material (S130), connecting a plurality of wooden frames to form the outline of the wall panel (S140), attaching the outline of the wall panel to the pillar (S150), and filler It includes a step (S160) of completing the wall panel by injecting.

The step of manufacturing a wooden frame (S100) may be to manufacture a wooden frame 110 in the form of a picture frame with an opening in the center by connecting wooden squares with a preset cross-sectional standard.

In this case, the wooden square is a two-by-four (2" x 4") standard wooden square with a vertical side of the cross section of 38 mm and a horizontal side of 89 mm, and a vertical side of the cross section of 38 mm and a horizontal side of 140 mm. It may include two-by-six (2"×6") standard wooden squares.

Next, the first finishing material 120 is attached to one side of the wooden frame 110 so that the opening of the wooden frame 110 is closed (S110), and a plurality of pipes are placed in the inner space of the wooden frame 110 connected in a square shape. Insert fields 140 (S120). At this time, the pipe 140 may be inserted in a direction perpendicular to the ground or parallel to the ground. Afterwards, the second finishing material 130 is attached to the opposite side of the wooden frame 110 (S130). Accordingly, both the internal space of the wooden frame 110 and the plurality of pipes 140 can be obscured.

Meanwhile, the order of attaching the first finishing material 120 (S110) and attaching the second finishing material (S130) may be changed.

Next, the plurality of wooden frames 110 are connected to each other to form the external shape of the wall panel 10 (S140). At this time, it is desirable to connect the wooden frames 110 in consideration of the openings 11 for connecting windows, doors, etc. In addition, the external appearance of the wall panel 10 may mean the wall panel 10 in a state in which the filler 150 is not filled inside.

Next, the outer shape of the wall panel 10 is attached to the pillar 20 (S150). For example, as shown in FIG. 3, the outer shape of the wall panel 10 can be attached between a pair of pillars 20. At this time, the step of attaching the outer shape of the wall panel 10 to the pillar 20 (S150) includes attaching a 'ㄷ' shaped connecting member 30 to the side of the wall panel 10, and It may include fixing the connecting member 30 to the pillar 20.

Meanwhile, the wooden frame 110, the first finishing material 120, the second finishing material 130, and the pipe 140 are made of materials that are relatively light in weight, and the filler 150 is made of materials that are relatively heavy in weight. It can be. Therefore, in the present invention, the outer shape of the wall panel 10 is formed using only relatively light materials (S140), and the outer shape of the wall panel 10 is formed by forming the pillar 20 before injecting a relatively heavy filler (S160). Since it is attached to the wall panel 10, the difficulty of attaching the wall panel 10 to the pillar 20 can be greatly reduced.

Finally, the wall panel 10 is completed by injecting filler into the internal space of the wooden frame 110 (S160). At this time, the step of injecting the filler may be performed by a shotcrete method, and the filler may include red clay.

In one embodiment, the wall panel assembly method includes forming a plurality of through holes in the first finishing material 110, and a third finishing material covering the through holes on the surface of the first finishing material 110 ( A step of forming (not shown) may be further included. The step of forming the through holes may be performed before the filler injection step (S160), and the step of forming the third finishing material may be performed after the filler injection step (S160).

Specifically, the second finishing material 120 may include rice straw, which easily releases moisture, while the first finishing material 110 may include plywood, which has difficulty releasing moisture. However, the red clay used as the filler 150 needs to secure breathability for curing, and may release moisture, etc. during the curing process. Accordingly, by forming a plurality of through holes in the first finishing material 110, which has difficulty discharging moisture, the filler 150 injected therein can be hardened more firmly.

In addition, after the injected filler 150 is completely cured, the through holes can be prevented from being exposed to the outside by additionally forming the third finishing material on the outside of the first finishing material 110. In this case, the third finishing material may be plywood, OSB plywood, laminal plywood, gypsum board, red clay, etc.

Next, referring to FIG. 7, the wall panel assembly method according to the second embodiment of the present invention includes the steps of manufacturing a wooden frame (S200), attaching the first finishing material (S210), and inserting the pipe material. Step (S220), forming the outline of the wall panel 10 by attaching the second finishing material (S230), attaching the outline of the wall panel 10 to the pillar (S240), and injecting the filler into the wall. It includes a step (S250) of completing the panel 10.

Meanwhile, the wall panel assembly and formation method according to the second embodiment is the same as the wall panel assembly and formation method according to the first embodiment, except for the step of manufacturing the wooden frame 110 and the step of inserting the pipe material (S220). Substantially the same or similar. Therefore, only these differences will be explained.

The step of manufacturing a wooden frame (S200) may be to manufacture a wooden frame 110 divided into a plurality of zones by connecting wooden squares with a preset cross-sectional standard. At this time, each of the plurality of zones may be an area where the wall panel unit module 100 is formed. That is, the wall panel assembly method according to the first embodiment of FIG. 6 is to manufacture a wooden frame 110 in a size corresponding to one wall panel unit module 100, while the second embodiment of FIG. 7 The difference in the method of assembling and forming wall panels according to this method is that a wooden frame 110 is manufactured from the beginning in the size of the wall panel 10. In this case, there is an advantage that the process (S140) of connecting the wooden frames 110 can be omitted, and the finishing materials 120 and 130 of the wall panel 10 can all be attached at once.

The step of inserting the pipe (S220) may involve inserting the pipe into each of a plurality of zones provided in the wooden frame 110.

Meanwhile, the wall panel assembly method according to the second embodiment also includes forming a plurality of through holes in the first finishing material 110, and a third finishing material covering the through holes on the surface of the first finishing material 110 ( A step of forming (not shown) may be further included.

1: Conventional modular house 2: Subframe
3: Upper frame 4: Column
5: wall panel 10: wall panel
20: pillar 30: connecting member
31: Fixing member 100: Wall panel unit module
110: wooden frame 120: first finishing material
130: second finishing material 140: pipe material
150: Filler

Claims (4)

A rectangular wooden frame with an opening in the center;
First and second finishing materials respectively attached to one side and the opposite side of the wooden frame to close the opening;
At least one pipe inserted into an internal space surrounded by the wooden frame, the first finishing material, and the second finishing material and having a hollow pipe shape; and
A wall panel unit module including a filler that fills the interior space. According to paragraph 1,
The first finishing material includes OSB plywood,
The second finishing material includes tatami,
A wall panel unit module, characterized in that the pipe includes bamboo. The wall according to claim 2, wherein the filler includes 45% to 55% by weight of red clay, 25% to 35% by weight of humus, and 5% to 15% by weight of expanded polystyrene. Panel-level module. Creating a picture frame-shaped wooden frame with an opening in the center by connecting wooden squares;
Closing the opening by attaching a plate-shaped first finishing material to one surface of the wooden frame;
Inserting a plurality of pipe-shaped pipes into an internal space surrounded by the wooden frame and the first finishing material;
Attaching a second plate-shaped finishing material to the opposite side of the wooden frame so that the pipe materials are not exposed to the outside;
Connecting a plurality of wooden frames to each other to form the appearance of a wooden panel;
Attaching the outline of the wood panel to a pillar;
forming a plurality of through holes in the first finishing material;
Injecting a filler into the exterior of the wooden panel surrounded by the wooden frame and the first and second finishing materials; and
A wall panel assembly method comprising forming a third finishing material on the surface of the first finishing material.

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