JP2006009440A - Wall face constructing member, wall face structure and constructing method using the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a wall face constructing member to be used in various places particularly including a housing, a condominium, a conference room, a show room, a hallway in a condominium, as well as a wall face structure and a constructing method using the same. <P>SOLUTION: The wall face constructing member comprises a recessed portion provided in the longitudinal direction and groove supporting portions provided on both sides of the side face of the recessed portion along the longitudinal direction. The wall face structure comprises the wall face constructing member provided between wall face base sheets and locked by the groove supporting portions and decorative sheets provided on the surfaces of the wall face base sheets and the wall face constructing member. The constructing method is provided for producing the wall face structure. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a wall construction member and a wall construction method, and more particularly to a wall construction member used in various places such as a house, a condominium, a conference room, a showroom, a corridor in a condominium, a wall structure using the same, and a construction method. .

  Conventionally, wall construction has been performed for the purpose of improving the design of rooms, corridors, etc. in condominiums or houses for home use. Most of the wall materials are plywood with a printed sheet or particle board as the main material. The baseboard, top edge parting material, and waist parting material are made of the same material as the main material. An auxiliary member such as a joiner has been used in combination therewith.

  However, when constructing a plywood with a printed sheet as the main material as the wall material, a special technique is required for the construction, so a carpenter craftsman fixed it by hitting a nail on the wall. It was done. In other words, in the case of gypsum board, etc., where the groundwork of the wall cannot be nailed, it is impossible to construct by this method, and it is necessary to cut the plywood to a predetermined size with a saw etc. For a long time. On the other hand, due to refurbishment and the like, the removal work when exchanging the wall material is similarly large and requires a work period. Therefore, in addition to the relatively high material cost of the wall material, the carpenter craftsmen have to spend considerable time to install the wall material, which requires considerable cost.

  Further, since a plywood having a printing sheet or the like spread as the main material is used, it has been pointed out as one of the causes of so-called house sickness symptoms due to chemical substances such as formaldehyde emitted from the main material. In addition, the environmental load on deforestation, which has become a problem in recent years, was not small.

  In order to solve these problems, for example, after pasting wallpaper, which is the main material constituting the waist wall, a baseboard is applied to the boundary between the lower end of the wallpaper and the floor, and a waist parting material is applied to the upper end of the wallpaper. A waist wall construction method characterized by forming a waist wall by construction (see, for example, Patent Document 1).

JP 2001-173216 A

  However, in this method, a joiner that is one of auxiliary members is provided on the wallpaper perpendicular to the floor surface. This joiner is made of various synthetic resins such as polyvinyl chloride resin and polyolefin, or these synthetic resins are used as binders. Because it is made of a material that does not, there is no wood material at the wall surface part, and only a design that is far from the real wood panel was obtained.

In recent years, the demand for partial refurbishment has increased. In such cases, remodeling only a part of the remodeled part and the part that has not been refurbished can cause a significant difference in color and the like, which significantly impairs the design. As a result, it has been forced to renovate parts that do not need to be renovated, and the economic burden on consumers has been greatly improved.

  In addition, when constructing wallpaper, it is necessary to use a large-scale adhesive applicator regardless of the size of the construction area. When using such an adhesive applicator, preparation and cleaning are complicated. Yes, the labor burden was large. Moreover, in the construction work of wallpaper, it has been inevitable that the time spent on the adhesive application work accounts for a large proportion of the construction work time.

  Furthermore, in order to eliminate the unevenness caused by the head of the nail that occurred when the wall surface base material was attached before the construction of the wallpaper, it was necessary to perform a treatment with a putty. On the other hand, when wallpaper is replaced, the remaining adhesive or wallpaper on the wall base material is removed with a spatula, and then treated with putty to smooth the surface before applying and applying the adhesive. Work is necessary, and the labor burden of such work is extremely large.

  Therefore, the present invention solves the above-mentioned problems, and the invention according to claim 1 has a recess in the longitudinal direction, and the support portion for the recess is provided along the longitudinal direction on both sides of the side surface of the recess. The wall construction member characterized by this is provided. By installing the wall surface construction member between wall surface base materials such as gypsum board, a bottom joint can be easily formed on the wall surface. When installing between the base materials for wall surfaces, the back surface of the support part of the wall surface construction member of this invention and the surface of the said base material for wall surfaces are fixed with adhesives, such as an adhesive agent.

In addition to the features of the invention of claim 1, the invention described in claim 2 has a structure in which the width between the inner side surfaces forming the recess becomes wider toward the bottom of the recess. A member is provided. By having a structure in which the width between the side surfaces forming the concave portion of the wall surface construction member of the present invention becomes wider toward the bottom surface of the concave portion, the auxiliary member of the wall surface construction member to be described later is fitted into the concave portion. When combined, higher stability can be maintained. In particular, it is very effective from the viewpoint of construction stability when a decorative sheet such as paper wallpaper, which will be described later, is constructed by sandwiching and fixing the decorative sheet of the wall construction member of the present invention with the auxiliary member.

The invention described in claim 3 is the wall surface construction member formed in addition to the features described in claim 1 or 2, wherein either one or both of the support portions of the groove portions provided on both side surfaces of the recess are separable. Is to provide. By forming at least one of the support portions provided on the side surfaces on both sides of the concave portion of the wall surface construction member of the present invention so as to be separable, for example, a bottom joint can be provided at a corner portion on the ceiling surface and the wall surface. Moreover, when both the support parts of the wall surface construction member of the present invention can be separated, diversion as an auxiliary member to be described later is possible, which can contribute to improvement in workability.

According to a fourth aspect of the present invention, a wall surface construction member is provided between the wall surface base material so as to be locked by a support portion of the groove portion, and a decorative sheet and / or a surface of the wall base material and the wall surface construction member are provided. Alternatively, a wall surface structure provided with a film (hereinafter referred to as a decorative sheet or the like) is provided. With the wall structure of the present invention, it is possible to form a bottom joint and use the color, pattern, etc. of the wall surface construction member for the coordination of the wall surface design, and the degree of freedom of design assignment can be greatly improved. It is very useful as an interior structure where emphasis is placed on. In this specification, a decorative sheet or the like means a wallpaper made of a synthetic resin such as a polyvinyl chloride resin or a polyolefin resin including a wallpaper, sheets and films used for decoration purposes, and synthetic paper or kenaf paper. , Wallpaper made of Japanese paper, pulp paper, etc., and other sheets and films used for decorative purposes.

The invention according to claim 5 is provided such that the wall surface construction member is locked between the wall surface base material by the support portion of the groove portion, and a decorative sheet or the like is provided on the surface of the wall base material and the wall surface construction member. Provided is a wall surface structure characterized in that a member (hereinafter referred to as an auxiliary member) that can be fitted into the concave portion of the wall surface construction member is sandwiched between the wall surface construction member and the decorative sheet. It is. Since the wall surface structure of the present invention does not have a structure in which a decorative sheet such as wallpaper is attached with an adhesive to the construction of a decorative sheet or the like, irregularities such as unevenness of the foundation appear on the surface of the decorative sheet or the like after construction. There is no breakage caused by cracks in the base, which is likely to occur after construction, especially with paper wallpaper. Further, the re-covering operation of the decorative sheet or the like can be performed very easily and quickly because the operation of removing the remaining adhesive, wallpaper, etc. and the processing operation using the putty are not required. Furthermore, it can be easily replaced for each decorative sheet or the like provided between the wall surface construction members of the present invention, and it is extremely consistent with the needs of modern remodeling.

According to the sixth aspect of the present invention, a surface material is provided vertically or horizontally with respect to the floor surface at an appropriate interval, a wall surface construction member is provided between the surface material and the surface material, the surface material, and the Place the paper wallpaper soaked with water on the surface of the wall surface construction member so that the edge of the paper wallpaper or the cutting part is located on the recess of the wall surface construction member, and fit into the recess The present invention provides a wall surface construction method characterized in that a paper wallpaper is constructed by fitting a member having a possible shape and then drying the paper wallpaper. The construction method of the present invention makes it easy and quick to construct a wall paper wallpaper or replace it. In other words, the construction method of the present invention does not require an adhesive, and not only preparation and post-cleaning associated with the adhesive application work are unnecessary, but even if the construction technique is immature, it is easy for wrinkles to enter during construction. Construction of paper wallpaper having a relatively high degree of difficulty can be facilitated.

  By using the wall surface construction member of the present invention, a bottom joint can be easily and inexpensively formed on a wall surface without using a wood panel or the like as in the prior art. That is, the wall surface construction member of the present invention is provided between wall surface base materials such as gypsum board, and the wallpaper having a woody pattern, for example, is attached to the surface of the wall surface base material and the wall surface construction member. Thus, the bottom joint can be formed, and the finish can be finished inferior to the real woody material as a whole.

  In addition, by making it possible to separate the support portion of the wallpaper construction member of the present invention, it is possible to easily and quickly provide the bottom joints at the corners of the ceiling surface and the wall surface, which has been very difficult in the past.

  In addition, by constructing the wall surface construction member in a state where a decorative sheet such as wallpaper is sandwiched between the support portions of the wall surface construction member of the present invention, the wall surface construction member of the present invention can be used in an accented manner, contributing to improvement in the design of the wall surface. Can do. Further, when a woven wallpaper is used as the decorative sheet, it is possible to solve the problem of unraveling of the thread at the end cut surface of the woven wallpaper.

Further, since the color difference between the wall construction members of the present invention, i.e., the wallpaper between the widths, is not conspicuous, there is no need for very strict lot management as in the past, and the reduction in wallpaper management costs makes it much more Wallpaper can be provided at low cost. In addition, it is possible not only to change the wallpaper of only one width, but also to change the color of the wallpaper, etc. You can also get a beautiful finish.

  Moreover, the freedom degree of wall surface decoration can be improved by using the auxiliary member which can be fitted in the recessed part of this invention wall surface construction member. That is, when the concave portion of the auxiliary member is provided so as to face the bottom surface of the concave portion of the wall surface construction member of the present invention, the concave portion of the wall surface construction member of the present invention which is a bottom joint can be decorated with the auxiliary member. it can. Moreover, when the recessed part of the said auxiliary member is provided so that it may become the same direction as the recessed part of the member for wall surface construction of this invention, only a bottom joint part can also give an accent different color.

  Furthermore, it is possible to construct without adhesive by sandwiching a decorative sheet such as wallpaper with the auxiliary member of the wall surface construction member of the present invention in the concave portion of the wall surface construction member of the present invention, In addition to being able to greatly reduce labor, it is also excellent in terms of design, with no surface irregularities or cracks appearing on the surface, which was often a problem with conventional adhesive application. Can be obtained. In particular, when the decorative sheet or the like is a paper wallpaper, the paper wallpaper is sandwiched by the auxiliary member of the wall surface construction member of the present invention in the concave portion of the wall surface construction member of the present invention. Furthermore, it can be applied beautifully by shrinkage when the paper wallpaper dries by a very simple method of moistening the surface of the paper wallpaper. In addition, when removing the wallpaper, it is not necessary to remove the adhesive, etc., and it is not necessary to smooth the base with a putty. The burden will be significantly reduced.

  The wall surface construction member of the present invention (hereinafter referred to as the member of the present invention) is, for example, shown in the perspective view of FIG. 1, having a recess 1 in the longitudinal direction, and longitudinally on both sides of the side surface of the recess 1. The concave portions are provided with support portions 2 and 3 along the surface. FIG. 2 shows a cross-sectional view of an example of the member of the present invention.

In the present invention, the members of the present invention can typically be exemplified by wood and synthetic resin members. More specifically, a synthetic resin such as plywood, vinyl chloride, polyethylene, and polypropylene, and a filler such as aluminum oxide may be appropriately selected and kneaded in order to improve flame retardancy. Moreover, metals, such as an aluminum alloy and iron, may be sufficient. Moreover, in the case of a process, you may color suitably by a well-known method, and may give a pattern with a printing sheet etc.

The length of the member can be appropriately determined according to the purpose within the range from the floor to the ceiling. Usually, it is about 300 to 2000 mm, preferably about 500 to 1500 mm. In FIG. 2, the width of the recess can be arbitrarily determined depending on the required size of the bottom joint, but is preferably in the range of about 3 to 300 mm.

Also, the depth of the recess is not particularly limited, but when the support portions 2 and 3 of the member of the present invention are placed on the surface of the wall surface base material, the wall surface base material is applied to the bottom surface of the recess. The limit is the degree of grounding to the wall surface base B.

Moreover, about the support part of this invention member, as long as it has the width | variety of the grade which can be mounted on the surface of the base material for wall surfaces, it does not specifically limit. This is because, if the width of the support portion is small, it may be constructed so as to narrow the interval between the wall surface base materials. Specifically, the width of the support portion of the member of the present invention is preferably 3 to 100 mm from the viewpoints of design properties, wall surface base material, and workability of the member of the present invention.

Moreover, about the shape of the support part of this invention member, the width | variety of both support parts may be substantially the same, and a different width | variety may be sufficient. Moreover, the said support part does not need to be a fixed width | variety in a longitudinal direction, For example, the wave shape which repeats a mountain shape and a valley shape may be sufficient.

In addition, it is preferable that the width between the side surfaces forming the concave portion of the member of the present invention is increased toward the bottom surface of the concave portion from the viewpoint of stably fitting with an auxiliary member described later. Specifically, the inner width (W2) of the bottom surface of the concave portion of the member of the present invention: the inner width (W1) of the upper surface of the concave portion is about 10: 9 to 10: 5, and is easy to fit with the auxiliary member. From the viewpoint of safety.

By forming one or both of the support portions of the member of the present invention so as to be separable, the diversity of use of the member of the present invention can be improved. That is, when it is desired to form a bottom joint at the corner between the ceiling surface and the wall surface, it becomes possible by separating one of the support portions of the member of the present invention. This is because if the support portions are provided on both side surfaces of the concave portion of the member of the present invention, one support portion becomes an obstacle and a bottom joint cannot be formed at the corner between the ceiling surface and the wall surface. Furthermore, if both the support portions of the member of the present invention are provided so as to be detachable, it can be used as an auxiliary member to be described later by separating the support portion, and the diversity of use of the member of the present invention can be improved. Is possible. In addition, in order to make the support part of this invention member detachable, arbitrary well-known methods are used. Specifically, for example, a V-shaped groove is provided.

  FIG. 3 shows that a concave portion of the member of the present invention is embedded between the base material for wall surface and is provided so as to be locked by the support portion of the member. The fragmentary sectional view of an example of the provided wall surface structure is shown. The concave portions of the member 31 of the present invention are embedded in the gaps between the base materials 34 and 35 for the wall surface to which the decorative sheets 36 and 37 are adhered by an adhesive or the like, and are hung by the support portions 32 and 33 of the member 31 of the present invention. Stop. The support portions 32 and 33 and the hooking portion are adhered with an adhesive. With the wall surface structure of the present invention, it is possible to improve the diversity of design provision by combining the decorative sheet and the member of the present invention.

Moreover, the labor burden can be reduced in terms of construction. That is, the cuts or edges of the decorative sheets 36 and 37 may be located anywhere as long as they are within the range concealed by the member 31 of the present invention.

For example, as shown in FIG. 3, it may be located in the gap part of the base materials 34 and 35 for wall surfaces, and may be located in the lower part of the support parts 32 and 33 of this invention member. Therefore, since the degree of freedom of the position of the cut of the decorative sheet or the like is widened, it is not necessary to strictly chamfer during construction.

Further, a wall surface construction member is provided between the wall surface base material so as to be hooked by the support portion of the concave portion, a decorative sheet or the like is provided on the surface of the wall base material and the member of the present invention, and the concave portion of the member is provided. A wall surface structure may be formed by sandwiching the auxiliary member that can be fitted into the concave portion with the decorative sheet and the like. FIG. 4 shows a partial sectional view of an example of the wall surface structure. FIG. 5 shows a perspective view of an example of the auxiliary member. The shape of the auxiliary member is not particularly limited as long as it can be fitted into the recess of the member of the present invention. However, when the auxiliary member is fitted into the concave portion of the member of the present invention, or is fitted into the concave portion from the viewpoint of sandwiching the decorative sheet or the like, the auxiliary sheet has a strength that can stably hold the decorative sheet or the like. is required.

  As shown in FIG. 4, the support portion of the member of the present invention is pasted between the base materials for wall surfaces 45 and 46 in which the member 41 of the present invention is preliminarily applied to the wall surface base B with adhesives A1 and A2 such as an adhesive. Wear and fix. Further, the cuts of the decorative sheets 43 and 44 are inserted into the recesses of the member 41 of the present invention and locked by the auxiliary member 42. The adhesives A1 and A2 may use various known adhesives such as urethane and acrylic, or may be a double-sided tape or the like.

Further, even when a step is generated between the support portion of the member of the present invention and the wall surface base materials 45 and 46, the step can be easily eliminated by putty or the like, and the aesthetic appearance is not impaired.

  Further, by making the pattern or color of the auxiliary member 42 different from that of the decorative sheets 43 and 44, the design of the wall surface can be accented, and the diversity of the design of the wall surface can be improved. Further, when the auxiliary member 42 is fitted so as to synchronize with the concave portion of the member of the present invention, a bottom joint can be formed.

  Further, when the decorative sheets 43 and 44 are paper wallpaper, the paper wallpaper previously moistened with water spray is hung on the auxiliary member 42, left and dried, so that the conventional construction method is also used for the paper wallpaper. Thus, no wrinkles are made, and no special skill is required, so even an amateur can easily and quickly perform construction. This utilizes the property that the size of the paper wallpaper shrinks when it dries. Conventionally, paper wallpaper has such properties, so that there are many gaps due to shrinkage of dimensions in the joint part, and how to install so as not to open the gap after construction has become a measure of skill of craftsmen. Moreover, in order to prevent the gap of the joint part as described above, it is generally used that the paper wallpaper is provided with an allowance in the size of the paper wallpaper. In many cases, the finish was unfavorable in terms of aesthetics. However, the present invention is a practically useful invention because it makes use of the drawbacks of such paper wallpaper and does not easily and quickly leave gaps in the joints and does not contain wrinkles.

Since the paper wallpaper shrinks when the water evaporates, the paper wallpaper does not have wrinkles as in the conventional method, and it does not require special construction skill, so even an amateur can easily and quickly Can be constructed.

  Polyethylene terephthalate resin (hereinafter referred to as “PET resin”) is extruded with a single screw extruder under heating conditions, and after cooling, cut into a length of 900 mm, a thickness of 0.4 mm to 0.7 mm, and a recess depth of 5 mm, In FIG. 1, the inner width of the bottom surface portion of the recess is 7 mm, the inner width of the upper surface portion is 5 mm, the width of the support portions provided on both side surfaces of the recess is approximately 10 mm, and has a grain color. The member of the present invention as shown was obtained. The member of the present invention is referred to as member 1 of the present invention in the examples.

  The PET resin was extruded with a single screw type extruder under heating conditions, cooled, and then cut to a length of 900 mm, a thickness of 0.4 mm to 0.7 mm, a depth of the recess of 5 mm, inside the bottom of the recess The width is 7 mm, the inner width of the upper surface portion is 5 mm, and the width of the support portions provided on both side surfaces of the concave portion is 10 mm. The back surface of the support portion is at the corner with the concave portion. By forming a groove having a depth of about 0.2 mm and a width of about 0.2 mm, the member of the present invention having a grain color that made the support portion detachable was obtained. The member of the present invention is referred to as member of the present invention 2 in the examples.

  The PET resin was extruded with a single-screw extruder under heating conditions, cooled and then cut to a length of 900 mm, a thickness of 0.4 mm to 0.7 mm, a recess depth of 4 mm, and an outer side of the bottom surface of the recess. An auxiliary member of the present invention member as shown in FIG. 5 having a width of 5 mm and an outer width of the upper surface portion of 5.5 mm and having a grain color was obtained.

Example 1
A gypsum board having a thickness of 12.5 mm and a height of 2700 mm was cut into a width of 900 mm. In a room having a height of 2700 mm from the floor surface to the ceiling, the gypsum board cut pieces were sequentially fixed to the wall base material with a tacker at an interval of about 10 mm. Next, the concave portion of the member 1 of the present invention was sequentially inserted into the gap between the fixed gypsum boards, and the support portion of the member was fixed by sticking with a gypsum adhesive. Furthermore, a wallpaper made of polyvinyl chloride with a woodgrain pattern (wood deco wallpaper WU2515—manufactured by Toli Co., Ltd.) was pasted with starch paste. It was possible to easily form a bottom joint on the wall surface, and to obtain a high-quality wall surface comparable to a real woody panel.

(Example 2)
A gypsum board having a thickness of 12.5 mm and a height of 2690 mm was cut into a width of 900 mm. In a room having a height of 2700 mm from the floor surface to the ceiling, the gypsum board cut pieces were sequentially fixed to the wall base material with a tacker at an interval of about 10 mm. Subsequently, the concave portion of the member 2 of the present invention was sequentially inserted into the gap between the fixed gypsum boards, and the support portion of the member was fixed by sticking with a gypsum adhesive. Next, one side of the support part of the member 2 of the present invention was cut off and sequentially inserted into a gap formed between the ceiling surface and the wall surface, and the support part of the member 2 was fixed by sticking with a gypsum adhesive. Finally, a wallpaper made of polyvinyl chloride with a woodgrain pattern (wood deco wallpaper WU2515-manufactured by Toli Co., Ltd.) was pasted with starch paste. The bottom joints could be easily formed on the wall surface and the corners of the ceiling surface and the wall surface, and a high-quality wall surface comparable to a real wood panel could be obtained.

Example 3
A gypsum board having a thickness of 12.5 mm and a height of 2700 mm was cut into a width of 900 mm. In a room having a height of 2700 mm from the floor surface to the ceiling, the gypsum board cut pieces were sequentially fixed to the wall base material with a tacker at an interval of about 10 mm. Next, the concave portion of the member 1 of the present invention was sequentially inserted into the gap between the fixed gypsum boards, and the support portion of the member was fixed by sticking with a gypsum adhesive. Further, the paper wallpaper (product name: Kenaf Wall WP2113-manufactured by Toli Co., Ltd.), in which water is sprayed evenly on the paper wallpaper with a sprayer, is positioned in the recess of the member 1 of the present invention, and the paper wallpaper is cut. Were fitted so that the opening side of the auxiliary member was located in the bottom direction of the concave portion of the member of the present invention, and the paper wallpaper was sandwiched. The paper wallpaper was sequentially sandwiched between the member 1 of the present invention and the auxiliary member and fixed in this manner. Next, water was sprayed evenly on the fixed paper wallpaper with a sprayer and left to dry for about 1 hour. The paper wallpaper could be easily and quickly constructed without any defects. Further, since no adhesive or the like was used, the shape of the groundwork did not appear on the wallpaper surface, and the auxiliary member became an accent, and the design of the wall surface could be improved.

Example 4
A gypsum board having a thickness of 12.5 mm and a height of 2700 mm was cut into a width of 900 mm. In a room having a height of 2700 mm from the floor surface to the ceiling, the gypsum board cut pieces were sequentially fixed to the wall base material with a tacker at an interval of about 10 mm. Next, the member 1 of the present invention was sequentially inserted into the gap between the fixed gypsum boards, and the support portion of the member was fixed by sticking with a gypsum adhesive. Furthermore, the cut of fabric wallpaper (trade name: fabric wallpaper WO-2440-manufactured by Toli Co., Ltd.) is located in the recess of the member 1 of the present invention, and the side of the auxiliary member opened on the side of the cut of the wallpaper While being fitted so that it may be located in the bottom face direction of an invention member crevice, the textile wallpaper was pinched. The paper wallpaper was sequentially sandwiched between the member 1 of the present invention and the auxiliary member and fixed in this manner. Since the fabric wallpaper does not use an adhesive or the like, it has a very beautiful finish without revealing the shape of the base on the wallpaper surface.

The perspective view of an example of this invention member is shown. Sectional drawing of an example of this invention member is shown. The fragmentary sectional view of an example of the wall surface structure of the present invention is shown. The fragmentary sectional view of other examples of the wall surface structure of the present invention is shown. The perspective view of an example of the auxiliary member of this invention member is shown.

Explanation of symbols

1, 21, 31, 41 Invention member 4, 22 Recess 23, 24, 32, 33, 2, 3, support part 34, 35, 45, 46 Wall surface base material 36, 37, 43, 44 Decorative sheet 42 50 Auxiliary member A1, A2 Adhesive B Wall surface base W1 Inner width W2 of the upper surface of the concave portion of the member of the present invention Width of inner side of the bottom surface of the concave portion of the member of the present invention

Claims (6)

A wall surface construction member having a recess in the longitudinal direction and provided with support portions for the groove along the longitudinal direction on both sides of the side surface of the recess. 2. The wall surface construction member according to claim 1, wherein a width between inner side surfaces forming the concave portion increases toward the bottom surface of the concave portion. The wall surface construction member according to claim 1 or 2, wherein either one or both of the support portions of the recess provided on both side surfaces of the recess are separable. A concave portion of the wall surface construction member is embedded between the wall surface base material and is provided to be hooked by a support portion of the wall surface construction member, and a decorative sheet and a surface of the wall base material and the wall surface construction member are provided. Wall surface structure characterized by providing a film. A wall surface construction member is provided between the base material for wall surface so as to be hooked and fixed by a support portion, a decorative sheet and / or a film is provided on the surface of the wall base material and the wall surface construction member, and the wall surface construction is performed. A wall surface structure characterized in that a member that can be fitted into the concave portion is sandwiched between the member for wall surface construction and the decorative sheet and / or film. A surface material is provided vertically or horizontally with respect to the floor surface at an appropriate interval, a wall surface construction member is provided between the surface material and the surface material, and the surface material and / or the surface of the wall surface construction member is provided. A paper wallpaper in which water is soaked is placed so that the end of the paper wallpaper or the cut portion is positioned on the concave portion of the wall surface construction member, and a member having a shape that can be fitted into the concave portion. After the fitting, the wall paper construction method is characterized in that the paper wallpaper is constructed by drying the paper wallpaper.

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