JPH0726457B2 - Building structure - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a surface structure that constitutes a roof, an outer wall, or the like of a building.

(Prior Art) A conventional structure for a structure will be described by taking a vertical roof as an example.

The inventor of the present invention was proposed by Japanese Patent Application No. 1-173105 (Japanese Patent Laid-Open No.
No. 2), the side edges of the suspension are supported and fixed on the frame-side fixing member, and a groove is formed in the widthwise central portion of the upwardly protruding support formed between the both sides of the suspension. An inner gutter surrounding the recessed groove of the suspension is provided on the fixing member, and an engaging portion folded back from a bent portion of an opposing edge portion of an adjacent face plate single member, that is, a roofing roof plate is provided in the recess of the suspension member. It is supported on the bottom of the groove, the pressing part of the pressing member is applied to these locking parts, and this pressing member is fastened together with the cover holding member to the screw that is erected in the groove in the concave groove together with the nut. The locking portion is pressed against the bottom of the groove to be fixed, and the joint cover is formed between the bent portions of the adjoining roof plates so that the protruding portion of the joint cover is engaged with the protruding portion of the cover holding member. Is proposed.

This product has a cross section of i. This is because a single face plate member such as a roofing roof plate has bent parts bent from both side edges of the face plate part and locking parts folded back from this bent part. Even if the face plate simple member is made of a hard material, has a large thickness, or both of them, it can be easily formed into a desired shape.

ii. By tightening a screw such as a nut that is screw-fitted to a screw such as a bolt fixed to the bottom of the groove provided in the support portion of the suspension, the pressing portion of the pressing member is attached to the face plate single member. It is possible to use the elastic force of the face plate single member to lock the hook and the pressing member strongly by pressing the locking part with the pressing part of the pressing member against the bottom of the groove with a large pressing force. This can be done without using deformation, and the face plate single member can be securely and firmly fixed to the suspension.

(Problems to be Solved by the Invention) The invention previously proposed by the inventor of the present application has excellent advantages of the above i and ii.

By the way, in recent years, many structures based on various design concepts have appeared in terms of design, and the tendency is increasing year by year.

In response to such demands, in the above-mentioned conventional one, for example, when focusing on the roof plates adjacent to each other on the left and right, only the practical function of closing the joint gap with the joint cover is pursued. The situation is such that it is not possible to meet such demand, and the design between the left and right roof plates will be limited to the form of joint cover, so the construction owner side and the contractor side At present, the range of choice is almost equal.

An object of the present invention is to solve such problems and provide a surface structure of a building in which various designs can be selected.

Another object of the present invention is to provide a surface structure of a building in which joint spaces are rained in double or triple layers.

(Means for Solving the Problem) In the surface structure of the building according to the present invention, both side edge portions are fixed to the fixing member on the skeleton side, and the width direction central portion of the supporting portion protruding between these side edge portions is fixed. A short suspension having a groove formed and a threaded portion provided at the bottom of the groove, and the groove of the suspension is surrounded from below, and both sides of the suspension are fixed by a supporting portion of the suspension. The inner gutter fixed by pressing it to and the length equal to the desired total length of the surface structure to be constructed or the desired number of divisions, and the bent part is formed by bending from both side edges of the face plate part to the support part side. The locking plate, which is folded back from the bent part, is interposed between the single face plate member supporting the bottom of the groove of the suspension and the bent part of the adjacent single face plate member, and the central tightening plate part is suspended. The screwed portion provided in the groove of the child and the first screw portion screwed into the screwed portion are tightened and fixed, and the tightening plate portion is removed. In the surface structure of the building including a pressing member that presses and fixes the locking portion of the face plate single member that is adjacent by the pressing portion that is bent to the suspension side to the bottom of the groove of the suspension, A fixing tool is attached to the threaded portion in the joint gap between the bent portions of the face plate unit member by a second screw portion so as to straddle between the adjacent double-sided plate portions, and a makeup cover is provided on the fixing tool. It is characterized by being installed by.

Further, in the invention, it is characterized in that the fixture has a long shape equivalent to the entire length of the surface structure to be constructed and has a sealing material at a portion overlapping with the face plate portion.

Further, in the present invention, the decorative cover has a flange that is in the same length as the entire length of the face structure to be constructed and is in contact with the face plate portion, and a sealing material is provided between the flange and the face plate portion. Is characterized by. The sealing material is preferably tape-shaped packing.

Also, in the present invention, a cover holding member in which the fastening plate portion is fastened together with the fastening plate portion of the pressing member in the joint gap, and the side plate portion is fitted between the joint gaps, and the side plate portions are opposed to each other. And a joint cover in which the projecting projections are engaged with and held by the projections provided on the upright portions that are bent from the tightening plate portion of the cover holding member toward the face plate portion of the face plate single member. (Function) The makeup cover can be formed into any shape based on various design concepts.

Further, since the fixture is in contact with the face plate portion via the sealing material, the joint gap is double-rained.

Further, since the decorative cover is in contact with the face plate portion on the outside of the fixture via the sealing material, the joint gap is triple-rained.

This makes it possible to construct a roof with an arbitrary design using a decorative cover in a desired form by utilizing the joint gap between the left and right adjacent roof plates. In addition, the joint gap can be doubled and triple rained.

Embodiment An embodiment of the present invention will be described below with reference to the drawings.

1 to 3 exemplify a mode in which the face plate single member is a long one from the ridge to the eaves, 1 is a short suspension, and the suspension 1 has both side edge portions 1a. The supporting portion 1c is formed between the upper edges of the side walls 1b rising at right angles from the facing portion of the supporting portion 1c in parallel with the both side edge portions 1a, and the concave groove 1d is formed in the widthwise central portion of the supporting portion 1c. On the center of the bottom 1g, a male screw 2 made of a stud bolt that penetrates from the bottom is fixed to the center by welding. In addition, 1e is a reinforcing rib formed across the supporting portion 1c of the suspension 1 and the side wall 1b, and 1f is a hole provided in the side edge portion 1a. The suspension 1 includes a base plate 4 made of a wood wool cement plate or the like on a structure-side fixing member 3 such as a purlin.
And asphalt roofing 5 are laid, and both side edge portions 1a of the suspension 1 are supported on this, and holes at these side edge portions 1a are provided.
Fixing device 6 such as screws, bolts, nails, etc.
Fixed to the base plate 4 by. The suspension 1 is arranged in a plurality of broken lines at a predetermined interval in the roof eaves direction.

7 has side wall plates 7b that are erected above both side edges of the bottom plate 7a.
An inner gutter in which an upper flange 7c provided with a folded-over portion 7d on the back side of the tip side portion on the widthwise center side from the upper edge of 7b is formed by bending. Then, the inner gutter 7 lays the bottom plate 7a on the base plate 4 through the roofing 5 over the entire length in the eaves direction of the roof, and surrounds the recessed groove 1d of the suspension 1 from the lower side.
The side wall plate 7b is fixed onto the roofing plate 5 by pressing the side wall plate 7b onto the base plate 4 through the roofing 5 by the supporting portion 1c.

Reference numeral 8 denotes a vertical roofing plate which is a single member of a face plate. The vertical roofing plate 8 has a bent portion 8b bent from both side edges of the face plate portion 8a to the back side, that is, a lower end portion of the bent portion 8b has a cross section. The locking portion 8c is folded back to have a U shape, and is formed on the side opposite to the face plate portion 8a. A backup material 9 made of hard urethane foam or the like is supported on the base plate 4 via the roofing 5, and the backup material 9 is also extended and supported on the suspension 1 other than the concave groove 1d. The face plate portion 8a of the roof plate 8 is supported on the backup material 9, and the side portions of the face plate portions 8a of both the roof plates 8 adjacent to the left and right sides are supported by the support portion 1c of the suspension 1.
The roof plate 8 is supported by a backing material 9 on the upper side.
Locking portions 8c are supported on both sides of the bottom 1g of the concave groove 1d of the suspension 1. The male screw 2 fixed on the bottom 1g of the groove 1d is
It is located between the locking portions 8c of both roof plates 8 and projects above them.

Reference numeral 10 is a pressing member, 11 is a cover holding member made of, for example, a thin metal plate having high elasticity. These are formed to be as short as the suspension 1, and the tightening plate portion 10a of the pressing member 10 and the cover holding member. The tightening plate portion 11a of the member 11 has a hole 10 at the center thereof.
b and 11b are formed. The pressing member 10 has a tightening plate portion 1
Pressing portions 10c are respectively bent downward from both side edges of 0a so as to expand downward. Further, the cover holding member 11 is
Standing portions 11c are bent upward from both sides of the fastening plate portion 11a. The upright portion 11c of the cover holding member 11 is divided into front and rear with a gap provided at a portion corresponding to the hole 11b, and the lower portion is arranged at a right angle to the tightening plate portion 11a, and a protrusion protruding outward in the width direction at an intermediate portion. The portion 11d is provided, and the upper portions thereof are inclined inward in the width direction. Then, the fastening plate portion 11a of the cover holding member 11 is superposed on the fastening plate portion 10a of the pressing member 10, and the holes 10b and 11b of both the fastening plate portions 10a and 11a are formed into the recessed grooves of the suspension 1.
Fit on the male screw 2 projecting on the bottom 1g of 1d, and tighten the female screw 12 consisting of a nut to the end of the male screw 2 projecting on the tightening plate part 11a of the cover holding member 11 and tighten it. Thus, the tightening plate portions 10a, 11a are pressed against the suspension 1 side by the female screw 12. Thereby, the lower end of the pressing portion 10c of the pressing member 10 is locked to the locking portions 8c of the roof plates 8 from above and pressed downward, and the locking portion 8c is located above the bottom of the recessed groove 1d of the suspension 1. Fixed to. Therefore, the fastening plate portion 11a of the cover holding member 11 is also fastened and fixed to the fastening plate portion 10a of the pressing member 10.

Reference numeral 13 is a joint cover formed to extend over substantially the entire length of the roof in the direction of the eaves, and the joint cover 13 has a width approximately equal to the joint gap 14 formed between the bent portions 8b of the adjacent roof plates 8. The side plate portion 13b is bent at a right angle downward from both side edges of the top plate portion 13a of the directional dimension, and the opposite side surface, that is, the protrusion portion 13c projecting toward the center in the width direction, is provided at the vertical middle portion of the side plate portion 13b of the cover 13. Has been formed. Then, the side plate portion 13b of the joint cover 13 is press-fitted into the joint gap 14 from above to close the joint gap 14, and the protrusion 13c provided on the side plate portion 13b is provided on the upright portion 11c of the cover holding member 11 so as to project. Department
The side plate portion 13b of the joint cover 13 is elastically held by the bent portions 8b of both roof plates 8 and the upright portion 11c of the cover holding member 11 by engaging with 11d from below. In this state, the top plate portion 13a of the joint cover 13 is located below the face plate portion 8a of the roof plate 8, and the male screw 2 is projected on the top plate portion 13a through the hole 13d of the top plate portion 13a. .

Reference numeral 15 is a fixing tool having the same short length as that of the sling 1, and the fixing tool 15 is a bottom plate portion 15a having a width dimension capable of straddling between the face plate portions 8a of the adjacent roof plates 8 and side plate portions diagonally inward and upward from both side edges. 15b is formed by bending. The fixture 15 is the hole 1 of the bottom plate 15a.
5c is loosely fitted to the male screw 2, and the sealing material 16 is interposed between the face plates 8a adjacent to each other to straddle the male screw 2 on the bottom plate 15a.
The bottom plate 15a is pressed against the face plate 8a side by screwing a female screw 17 made of a nut to the female screw 17 and tightening the female screw 17, and the sealing material 16 seals the outside of the joint gap 14.

Reference numeral 18 denotes a decorative cover formed to have a length substantially extending in the eaves ridge direction, and the decorative cover 18 is capable of covering the fixture 15 and is formed into a desired sectional shape. The decorative cover 18 is fixed to the side plate portions 15b so that the divergent plate portions 18a on both sides cover the fixtures 15 and are fixed by male screws 19. Further, the flange 18b bent outward from the side edges of the plate portions 18a on both sides in parallel with the face plate portion 8a is a seal member 2
It is pressed against the face plate portion 8a via 0, and the outside of the fixture 15 is further sealed by the sealing material 20.

The vertical roof shingles according to this embodiment join the opposite side parts of a large number of shingles as described above, and treat the ridges, eaves, and both sides of the shingles by means generally used in the past. To do.

In this embodiment, the suspension 1, the inner gutter 7, the roof plate 8, the pressing member 1
0, the cover holding member 11 and the joint cover 13, the fixture 15, and the decorative cover 18 are all stainless steel plates, and the thickness of the suspension 1, the pressing member 10, and the fixture 15 is 2.0 mm, and the thickness of the decorative cover 18 is Sa
1.5mm, the thickness of roof plate 8, joint cover 13 is about 0.6mm,
The thickness of the cover holding member 11 and the inner gutter 7 is thinner than these thicknesses.

The vertical roof of this embodiment constructed as described above is a fixture.
15, The female screw 17 and the male screw 2 are hidden from the outside so they have a good appearance, and the roof plate 8 and the decorative cover 18 are hard and thick, so their strength is great, they are not easily deformed by external force, and they are rusty. Is less likely to occur, so a good appearance can be maintained for a long period of time.

Further, in the vertical roofing board of this embodiment, the side plate portion 13b of the joint cover 13 is elastically held by the bent portion 8b of the roof plate 8 and the standing portion 11c of the cover holding member 11, and the standing portion of the cover holding member 11 is held. The side plate portion 13 of the joint cover 13 is attached to the protruding portion 11d provided on the 11c.
Since the protrusion 13c provided on the b is engaged from below, rainwater or the like is less likely to enter from below between the bent portion 8b of the roof plate 8 and the side plate portion 13b of the joint cover 13, that is, inside the roof, Even if a small amount of water enters, it is received by the inner gutter 7, guided to the eaves side, and drained from the eaves side, so that water leakage can be reliably prevented.

4 and 5 exemplify a mode in which the fixture 15 is a long one extending over the entire length of the roof in the eaves ridge direction, and the description of the same components as those of the above-mentioned embodiment is omitted. explain.

In the fixture 15, a sealing material 16 is interposed between the bottom plate portion 15a and the face plate portion 8a over the entire length of the roof in the eaves direction.

The vertical roof of this embodiment has a joint cover 13 and a joint gap.
It is rained down to 14 itself.

FIG. 6 and FIG. 9 exemplify a mode in which the roof plate 8 has a fixed length and a desired number of divisions in the eaves ridge direction, and the description of the same components as those of the above-mentioned embodiment is omitted. And explain.

The suspension 1 is arranged so as to be located at the joint between the roof plates 8 extending in the eaves ridge direction of the roof.

The vertical roofing board 8 is formed into a plane structure that is to be constructed, that is, a fixed length of a desired number of divisions of the total length of the roof in the eaves direction.
The length is, for example, about 1 to 3 m and is appropriately selected according to the size and shape of the roof.

The vertical roofing board 8 has joints 8d and 8e which are compatible with the ends of the face plate 8a adjacent to the upper and lower ends of the face plate 8a. Specifically, a hanging plate portion 8d-1, a bottom plate portion 8d-2, and a rising plate portion 8d-3 are bent into a substantially shape in the joint portion 8d at the upper end portion, and a hanging plate is formed in the joint portion 8e at the lower end portion. Part 8e-1 and folding plate part 8e-2
Are bent into a substantially L shape, and the hanging plate portion 8e-1 and the folding plate portion 8e-2 are connected to each other by the hanging plate portion 8d-1 and the bottom plate portion 8d-2.
While supporting in a pressure contact manner via the seal member 21, and the face plate portion 8a via the seal member 22 on the receiving portion 8d-4 bent from the upper end of the rising plate portion 8d-3 in the direction opposite to the face plate portion 8a side. It is supported in a pressure contact state, and the seams of the face plate portions 8a vertically adjacent to each other are connected flush with each other.

Further, both ends of the bottom plate portion 8d-2 in the joint portion 8d are mounted on the support portion 1c of the suspension 1, and the joint between the vertically adjacent roof plates 8 is supported by the support portion 1c.

In the vertical roof of such an embodiment, the upper and lower roof plates 8 are both hanging plate parts.
8d-1, 8e-1, bottom plate portion 8d-2 and folded plate portion 8e-2, and receiving portion 8d-4 and face plate portion 8a have a joint structure without gaps via sealing materials 21 and 22, respectively. Therefore, both hanging plate parts 8d-1,8e-1
It is difficult for rainwater, etc. to enter from the space, and even if it enters a little, the rising plate part 8d-3 and the pressure contact part of the receiving part 8d-4 and the face plate part 8a prevent the entry of the rainwater into the inside of the roof, Is joint 8d
The inside of the gutter can be led from the left and right ends through the inner gutter 7 to the eaves side for drainage.

Furthermore, regarding the product system, since the roof plate is of a fixed length of the desired number of divisions of the total length of the surface structure to be constructed,
It is a surface structure that can be molded into a regular length of a desired length in a controlled factory, has improved accuracy, and has high assembly accuracy.

Regarding workability, since the roof plate is of a fixed length and has a desired length, it is easy to handle during the assembling work, and the assembling time can be preferentially handled.
In addition, the transportation from the factory to the site and the loading of the building can be done quickly.

Further, regarding the freedom of form, it is possible to freely assemble even a curved surface structure such as an arch roof or a catenary roof, and the flexibility of the form of construction is high.

FIG. 10 and FIG. 12 illustrate a mode in which the cover holding member 11, the female screw 12, and the joint cover 13 in the joint gap 14 are removed, and the description of the same components as those of the above embodiment is omitted. Explain.

The pressing member 10 is directly tightened with a female screw 12.

The vertical roof of this embodiment has lost the rain finish within the joint gap 14.

12A to 12H show various aspects of the decorative cover 18, which are selected according to the design of the roof.

In addition, in this invention, the joint between the upper and lower roof plates is not limited to the above-described flush embodiment, and may have a step, and the joints of the upper and lower end portions are the same as those in the horizontal roof panel. A known joint structure may be used. Also, the decorative cover may be a long one extending over the entire length of the roof in the eaves direction, or a short one extending over the entire length of the roof in the direction of the eaves when connecting short ones with splicing plates. Good. Further, the decorative cover is not limited to the one shown in the figure, and may have another aspect.

Further, the top plate portion of the joint cover may be flat with the surface of a face plate single member such as a roof plate or may be projected outward from this surface. Further, in the present invention, a suspension bolt is fixed and a nut is screwed into the suspension bolt, or a nut is fixed to the suspension or a female screw hole is formed, and a pressing plate and a tightening plate portion of a cover holding member are formed in these. The bolt inserted from above may be screw-fitted.

Further, according to the present invention, the materials of the base plate and the backup material may be appropriately changed, or one or both of them may be omitted, and both side edges of the suspension are fixed to the fixing member by penetrating the base plate. Alternatively, when the field board is omitted, it is directly supported and fixed to the fixing member.

Further, in the above-mentioned embodiment, the vertical roof has been described, but the present invention can also be applied to the outer wall of a building having a horizontal cross section having the configuration shown in FIG.

(Effects of the Invention) Therefore, the present invention has the following advantages.

According to claim 1, it is possible to select a decorative cover having an arbitrary cross-sectional shape to obtain a design having a desired external appearance design, and to expand the range of choice on the building owner side and the contractor side, and Can meet the demands of design concept.

According to the above paragraph, the decorative cover can be attached by using the screws for attaching the pressing member and the cover holding member, so that the face plate portion is not worked to destroy the decorative cover for attaching the decorative cover, and the same joint is formed on the joint gap. Gaps and joint covers as well as fixtures can be hidden and mounted.

According to the above item, the face plate portions adjacent to each other can be pressed by the fixture and the decorative cover to be fixed double or triple, and the attachment strength of the face plate single member to the suspension can be made several times stronger.

According to claim 2, even if rainwater or the like enters from between the decorative cover and the face plate portion, it is possible to prevent the rainwater from entering the joint gap, and it is possible to double strengthen the rain performance.

According to the third aspect, it is possible to further prevent rainwater or the like from entering between the flange and the face plate portion, and it is possible to triple strengthen the rain performance.

According to claim 4, since the face plate single member such as a vertical roofing plate has a bent portion bent from both side edges of the face plate portion and a locking portion folded back from the bent portion, a cross-sectional shape is obtained. Is simple, and even if the face plate single member is made of a hard material, has a large thickness, or both of them, it can be easily formed into a desired shape. Further, by tightening a screw such as a bolt fixed to the bottom of the groove provided in the support portion of the suspension with a screw such as a nut screw-fitted to the screw, the pressing portion of the pressing member is attached to the face plate single member. It is possible to use the elastic force of the face plate single member to lock the hook and the pressing member strongly by pressing the locking part with the pressing part of the pressing member against the bottom of the groove with a large pressing force. This can be done without using deformation, and the face plate single member can be securely and firmly fixed to the suspension.

[Brief description of drawings]

1 to 3 show a plane structure of a building according to an embodiment of the present invention, FIG. 1 is a partial perspective view, and FIG. 2 is a partially enlarged front view along the line II-II in FIG. FIG. 3 is a longitudinal sectional view, and FIG. 3 is a partially exploded perspective view of main members. 4 and 5 show another embodiment, and FIG. 4 is a partially enlarged front vertical sectional view. FIG. 5 is an exploded perspective view of a main part. 6 to 9 show another embodiment, FIG. 6 is a partial perspective view, and FIG. 7 is VII-VI of FIG.
A partially enlarged front vertical cross-sectional view along the line I, FIG. 8 is a partially enlarged side vertical cross-sectional view, and FIG. 9 is a perspective view of a face plate single member, with a part cut away. 10 and 11 show another embodiment,
The drawing is a partially enlarged front vertical cross-sectional view, and Fig. 11 is a partially exploded perspective view of main members. 12A to 12H are enlarged front vertical sectional views showing respective embodiments of the decorative cover. 1 ... Hanging piece, 1a ... Side edge 1b ... Side wall, 1c ... Support part 1d ... Recessed groove, 1e ... Reinforcing rib 1f ... Hole, 1g ... Bottom of recessed groove 2 ... Male screw (Screwed part) 3 ... Fixing member on the side of the body 4 ... Field plate 5 ... Asphalt roofing 6 ... Fixing tool, 7 ... Inner gutter 7a ... Bottom plate, 7b ... Side wall plate 7c ... Top flange , 7d …… Folded and overlapped part 8 …… Vertical roofing board (single face plate member) 8a …… Face plate part, 8b …… Bent part 8c …… Locking part, 8d, 8e …… Splice part 9 …… Backup material 10-Pressing member, 10a-Pressing member tightening plate part 10b-Pressing member hole, 10c-Pressing member pressing part 11-Cover holding member 11a-Cover holding member tightening plate part 11b ...... Cover holding member hole 11c ...... Cover holding member upright portion 11d ...... Cover holding member protruding portion, 12 ...... Female screw (first
Screw part) 13 …… Joint cover, 13a …… Top plate of joint cover 13b …… Side plate of joint cover 13c …… Projection of joint cover 14 …… Joint gap, 15 …… Fixing device 15a …… Bottom plate , 15b …… Side plate part 16,20 …… Seal material, 17 …… Female screw (second screw part) 18 …… Cosmetic cover, 18a …… Plate part 18b …… Flange

Claims (4)

[Claims] 1. A support member projecting between these side edge portions is formed with a groove formed in a widthwise central portion of the support portion, which is fixed to both side edge portions of a frame-side fixing member, and a threaded portion is formed at the bottom of the groove. And a short girder that encloses the recessed groove of the hanger from the lower side, and an inner gutter in which both sides of the hanger are pressed against the fixing member to be fixed by the supporting part of the hanger, and a surface structure to be constructed. A bent portion that is equal to the entire length or a desired number of divisions and is bent from both side edges of the face plate portion to the support portion side is formed, and the locking portion that is folded back from this bent portion is the groove of the suspension. Face plate single member supported on the bottom of the base plate, and a threaded part which is interposed between the bent parts of the adjacent face plate single members and in which a central tightening plate part is provided in the groove of the suspension and this threaded part. A face plate unit which is fastened and fixed by a first screw part which is screwed into the face plate and which is adjacent by a holding part bent from the tightening plate part to the suspension side. In a surface structure of a building including a pressing member in which a locking portion of a member is pressed and fixed to a bottom of a groove of a hanger, the screwed member in a joint gap between bent portions of the adjacent face plate single member A surface structure of a building, characterized in that a fixing tool is attached to the portion by a second screw portion so as to straddle between the adjacent double-sided plate portions, and a decorative cover is covered and attached to the fixing tool. 2. The building according to claim 1, wherein the fixture has an elongated shape equivalent to the entire length of a face structure to be constructed and a seal material is provided at a portion where the face structure overlaps with the face plate portion. Surface structure. 3. The decorative cover has a flange having a length equal to the entire length of a face structure to be constructed and in contact with the face plate portion, and a seal member is provided between the flange and the face plate portion. The surface structure of the building according to claim 1 or 2. 4. A cover holding member having a fastening plate portion fastened together with a fastening plate portion of a pressing member in the joint gap, and a side plate portion fitted between the joint gaps, and the side plate portions facing each other. And a joint cover in which the projecting projections are engaged with and held by the projections provided on the upright portions that are bent from the tightening plate portion of the cover holding member toward the face plate portion of the face plate single member. The surface structure of a building according to any one of claims 1 to 3, wherein: