JPH0960145A - External facing for building and external facing panel for building - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate transportation and assembling works and reduce the production cost, and further, provide an architectural external facing excellent in the heat-insulation effect. SOLUTION: The external peripheral wall face of a heat-insulation core material is covered with steel plates to form an architectural external facing 10. The steel plate is constituted of an external steel plate 30 covering the external wall face of the heat-insulation core material 20 and an internal steel plate 40 covering the internal wall face of the heat-insulation core material 20. The external steel plate 30 and the internal steel plate 40 are superposed with each other through a heat-insulation material 50 at the right and left side faces of the heat-insulation core material 20.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a building exterior material and a building exterior panel using the building exterior material,
In particular, the present invention relates to a building exterior material having excellent heat insulating properties and a building exterior panel configured by connecting the building exterior material to the left and right.

[0002]

2. Description of the Related Art Conventionally, as an exterior panel for this type of construction, a concrete board, a foam concrete board, or a board having a core material made of a heat insulating material and a decorative material made of a metal plate or the like attached to the surface of the board. It is known that left and right are connected. This building exterior panel is constructed by producing boards at a factory and connecting the boards at a construction site.

[0003]

However, in the concrete board used in the above-mentioned conventional exterior panel for construction, in order to maintain heat resistance, concrete having a thickness of a predetermined value or more must be used. I won't. Therefore, there is a problem that the weight of the board becomes heavy, the work efficiency of transportation and assembly at the construction site is reduced, and the production cost is increased.

Further, a board made of foamed concrete is lighter than an ordinary concrete board, but has a problem of weak strength. Therefore, a board made of expandable concrete
There is a problem in using it as a wall surface.

A board in which a decorative plate made of a metal plate or the like is attached to the surface of a core material made of a heat insulating material has an advantage of being lighter and cheaper than a board made of concrete, but has a thermal conductivity. Is high, the temperature of the outside air is transmitted directly from the outer panel to the inner panel. Therefore, when used as an exterior panel for a house, there is a problem that the heating effect or the cooling effect is diminished. There is also a problem that dew condensation occurs on the surface of the inner panel particularly when the outside air temperature is low.

Therefore, the present invention has been proposed in view of the problems of the above-mentioned conventional techniques, and it is easy to carry and assemble, the production cost can be reduced, and the building exterior having excellent heat insulating effect can be obtained. It is an object of the present invention to provide a material and a building exterior panel using the building exterior material.

[0007]

In order to achieve the above-mentioned object, the present invention is characterized by the following points.

The invention according to claim 1 is a building exterior material in which an outer peripheral wall surface of a heat insulating core material is covered with a steel plate, wherein the steel plate is an outer steel plate covering the outer wall surface of the heat insulating core material, and a heat insulating core. It is characterized by comprising an inner steel plate that covers the inner wall surface of the material, and on the left and right side surfaces of the heat insulating core material, the outer steel plate and the inner steel plate are polymerized via the heat insulating material to form a building exterior material.

The invention according to claim 2 is the above-described claim 1.
In addition to the configuration of the described invention, the outer steel plate and the inner steel plate,
It is characterized in that folded-back portions which are fitted to each other are formed at both ends thereof, and the folded-back portions are overlapped with each other.

The third aspect of the present invention is the first aspect of the present invention.
Alternatively, in addition to the configuration of the invention described in claim 2, a connecting groove is formed on the left and right side surfaces of the heat insulating core material.

The invention according to claim 4 is the above-described claim 3.
In addition to the configuration of the invention described, the connecting groove formed on the left and right side surfaces of the heat insulating core member is formed by bending the outer steel plate on one side, and the inner steel plate is bent on the other side. It is characterized by being formed by.

According to a fifth aspect of the present invention, there is provided a building exterior panel in which the outer wall surfaces of a heat insulating core material are covered with steel plates, and the building exterior materials are arranged side by side, and the building exterior materials are connected to each other by a connecting member. Then, the building exterior material, the outer steel sheet that covers the outer wall surface of the heat insulation core material, and the left and right side surfaces of the heat insulation core material, while polymerizing with the outer steel sheet through the heat insulation material, the inner wall surface of the heat insulation core material. An inner steel plate to be covered and a connecting groove formed on the left and right side surfaces of the heat insulating material, the connecting member is provided between the adjoining building exterior material, and the inner and outer ends of the strut, A connecting member that has a sandwiching piece that sandwiches the inner and outer wall surfaces of the building exterior material from the outside, and a projection that is provided so as to project backward from the middle of the pillar and that engages in the connecting groove of the building exterior material. The exterior panel for construction is composed of ,.

[0013] The invention of claim 6 provides the above-mentioned claim 5.
In addition to the configuration of the invention described above, a mounting member protruding outward is provided on at least one side of both inner and outer ends of the pillar of the connecting member.

[0014] The invention of claim 7 provides the above-mentioned claim 5.
Further, in addition to the configuration of the invention according to claim 6, the pillar of the connecting member is provided with a gap part which is continuous in the up-down direction in the middle of the inner and outer directions and in which the inner and outer positions are reversed in the middle of the up-and-down direction. And the lower half part is divided into an inner strut and an outer strut, an engaging protrusion is formed on either the inner strut or the outer strut in the upper half part, and in the lower half part, the upper half part is It is characterized in that an engaging protrusion is formed on the outer pillar or the inner pillar on the opposite side.

Therefore, the present invention has the operations described below. That is, in the invention according to claim 1, the steel sheet covering the outer peripheral surface of the heat insulating core material is divided into an outer steel sheet and an inner steel sheet, and the heat insulating material is interposed in the overlapping portion of both steel sheets. It is possible to prevent heat from being transferred to or from the inner steel plate to the outer steel plate. Therefore, it is possible to provide a building exterior material that has excellent heat insulation properties, is inexpensive, and is easily transported.

According to the second aspect of the invention, both ends of the outer steel plate and the inner steel plate are fitted to each other. Therefore, it is possible to provide an impact-resistant and durable building exterior material.

According to the third aspect of the invention, a plurality of exterior building materials can be connected left and right by inserting a connection member such as a connection fitting into the connection groove formed on the left and right side surfaces of the heat insulating core material. Therefore, a long building exterior panel can be easily formed using this building exterior material.

In the invention according to claim 4, the outer steel plate and the inner steel plate having the connection groove are formed in the same shape, and are arranged point-symmetrically. Therefore, since both steel plates can be shared, the manufacturing cost of the building exterior material can be reduced.

According to the fifth aspect of the present invention, the building exterior materials are arranged side by side, and the connecting members are inserted into the connection grooves formed on the left and right side surfaces of the heat insulating core material. They can be joined to form an integral architectural exterior panel. Therefore, even when forming a long building exterior panel, it is possible to use a building exterior material having excellent heat insulating properties and transportability, so that the heat insulating property as a whole is excellent and the assembling work is easy. Therefore, the manufacturing cost can be reduced.

In a sixth aspect of the invention, the mounting member provided on the connecting member may be a window frame, wiring, or brace,
It can be used for various purposes such as hanging a frame. Therefore, the versatility of the building exterior panel can be enhanced.

[0021] In the invention according to claim 7, the supporting column forming the connecting member is provided with a gap portion which divides the supporting column into two in the inner and outer directions. Therefore, this gap portion acts as a heat insulating layer and can prevent conduction of heat from the outer side to the inner side or from the inner side to the outer side of the building exterior panel, and further provides the building exterior panel having excellent heat insulating properties. can do.

[0022]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a cross-sectional view of a first embodiment of a building exterior material according to the present invention. This building exterior material 10
As shown in FIG. 1, the outer wall surface of the heat insulating core member 20 is covered with the outer steel plate 30, and the inner wall surface of the heat insulating core member 20 is covered with the inner steel plate 40. The outer steel plate 30 and the inner steel plate 40 are superposed on the left and right side surfaces of the heat insulating core member 20 via the heat insulating material 50. In addition, on the left and right side surfaces of the heat insulating core member 20, adjacent building exterior materials 10, 1
A connecting groove 60 for connecting 0s is formed.

The outer steel plate 30 and the inner steel plate 40 described above.
Have the same shape, and are arranged point-symmetrically on the outer peripheral surface of the heat insulating core 20. This outer steel plate 30 is
The outer wall surface of the heat insulating core material 20 is covered, and one end portion of the heat insulating core material 20 is provided substantially at the center of one side surface of the heat insulating core material 20.
Bend about 90 ° toward the center of 0, and further bend the tip side toward the inner wall surface by about 90 ° to form a bent portion 31 having an inverted L-shaped cross section. The tip of this bent portion 31 faces upward in cross section. The first folded-back portion 32 is formed by folding back toward the outer wall surface so as to have a U-shape. Further, the other one end is formed substantially at the center of the other side surface of the heat insulating core member 20, and the tip end portion is folded back inward toward the outer wall surface so as to have an upward U-shaped cross section to form a second folded portion 33. .

The inner steel plate 40 is also formed in the same manner as the outer steel plate 30 described above, and is arranged point-symmetrically with respect to the outer steel plate 30 so that the first folded portion 32 and the second folded portion 33 are respectively formed. It is fitted through the heat insulating material 50. Then, on one side surface side of the heat insulating core material 20, the bent portion 31 of the outer steel plate 30 and the second folded portion 33 of the inner steel plate 40 form a connecting groove 60 having an outward U-shaped cross section, and the other side surface. On the side, the second folded portion 33 of the outer steel plate 30
And the bent portion 31 of the inner steel plate 40 form a connecting groove 60 having a U-shaped cross section.

The above-mentioned steel plates 30 and 40 are made of, for example, galvanized steel plates, and it is preferable to apply the dew condensation preventing agent 15 on the surfaces. Thus, by applying the dew condensation preventing agent 15 on the surface, it is possible to further prevent dew condensation from occurring on the surfaces of the steel plates 30 and 40 due to the temperature difference between the inner and outer wall surfaces of the building exterior material 10. Also, the heat insulating material 50
Is made of, for example, rubber packing, and the outer steel plate 3
It is possible to prevent heat from being transferred from 0 to the inner steel plate 40 or from the inner steel plate 40 to the outer steel plate 30.

The heat insulating core material 20 is made of, for example, rock wool or rock cell board, and is assembled by fitting the outer steel plate 30 and the inner steel plate 40 together, and then the steel plates 30, 40.
It is configured by filling the inside of. In this way, when the heat insulating core material 20 is filled inside the steel plates 30 and 40, the outer steel plate 30 and the inner steel plate 40 are separated from each other so that the positions of the outer steel plate 30 and the inner steel plate 40 do not shift. In between, a spacer 70 is attached. The spacer 70 is made of a rubber or synthetic resin top, and as shown in FIG. 1, the first folded portion 32 of the outer steel plate 30.
And the inner surface of the inner steel plate 40, and between the first folded portion 32 of the inner steel plate 40 and the inner surface of the outer steel plate 30.

The size of the building exterior material 10 described above is, for example, about 60 to 100 mm in thickness and about 100 to 3 in length.
00 mm (or about 100 to 450 mm) and the height is about 180 to 900 cm. In addition, in the said Example, although the example of the structure which fits the outer side steel plate 30 and the inner side steel plate 40 was described, it is not restricted to this, the edge part of the outer side steel plate 30 and the inner side steel plate 40 is bent, and the heat insulating material 50 is interposed, Polymerization may be performed by an appropriate means such as adhesion or clip joining.

Next, the building exterior materials 10, 1 arranged side by side.
The connecting member 80 that connects 0s will be described.

The connecting member 80, as shown in FIG.
A pillar 8 located between adjacent building exterior materials 10, 10.
1 and the sandwiching pieces 82, 82 extending from the inner and outer ends of the support column 81 to the left and right to sandwich the inner and outer wall surfaces of the building exterior materials 10, 10 from the outside, and from the middle of the length of the support column 81. It is provided with engaging projections 83, 83 which extend outwardly to the left and right respectively, and which are engaged with the interior of the connecting groove 60 of the building exterior material 10, 10. Therefore, the connecting member 80 has a substantially "king" -shaped cross section as a whole. The connecting member 80 is made of, for example, metal or a synthetic resin having rigidity. In order to connect the exterior building materials 10, 10 with the connecting member 80, first, the connecting member 80 is positioned at one end of the reference exterior building material 10, and one of the engaging protrusions is inserted into the connecting groove 60. 83 is inserted and the inner and outer wall surfaces are sandwiched by one sandwiching piece 82, 82. Then, the other engaging projection 83 of the connecting member 80 is inserted into the connecting groove 60 of the building exterior material 10 to be connected, and the inner and outer wall surfaces of the building exterior material 10 to be connected are sandwiched by the other holding piece. It may be sandwiched between 82 and 82.

Next, based on FIGS. 2 and 3, the connecting member 90 will be described.
A building exterior material 10 using the second embodiment of will be described.
In the building exterior material 10, members other than the connecting member 90 are similar to the building exterior material 10 according to the first embodiment described above, and therefore, the same reference numerals are given to the same members for description. Is omitted.

FIG. 2 is a cross-sectional view of the building exterior material 10 connected by the connecting member 90 according to the second embodiment, and FIG.
It is a perspective view of the connecting member 90 which concerns on an Example. As shown in FIGS. 2 and 3, the columns of the connecting member 90 according to the second embodiment are connected in the vertical direction in the middle of the inner and outer directions, and
A gap portion 91 whose inner and outer positions are reversed in the middle of the up-down direction is provided, and an inner strut 92 and an outer strut 93 are separated in each of the upper half portion and the lower half portion. Then, in the upper half portion, the engaging protrusion 94 is formed on the outer strut 93, and in the lower half portion, the engaging protrusion 94 is formed on the inner strut 92. In addition, at both inner and outer ends of each of the columns 92 and 93, the exterior material 1 for both buildings is provided.
Clamping pieces 95, 95 for sandwiching the inner and outer wall surfaces of 0, 10 from the outside
However, they are extended to the left and right respectively. The inner column 92 and the outer column 93 are continuous in the inward / outward direction on the switching surface between the upper half and the lower half.

FIG. 2 shows the connecting member 90 in a state in which the engaging projection 94 is formed on the outer support column 93. The engaging projection 94 is shown in FIG.
The outer support column 93 having the shape of
The inner column 92 that does not form the engagement protrusion 94 has an inverted T-shaped cross section. It should be noted that the column 92 that forms the engaging protrusion 94
(93) is not limited to the above configuration, and the upper half portion and the lower half portion may be configured in the opposite manner to the above-described embodiment.

Next, with reference to FIG. 4, the building exterior material 10 using the third embodiment of the connecting member 100 will be described. FIG.
[Fig. 4] is a transverse cross-sectional view of a building exterior material 10 connected by a connecting member 100 according to a third example.

The connecting member 100 according to the third embodiment is
As shown in FIG. 4, mounting members 110 projecting outward are provided at both inner and outer ends of the columns 92, 93 of the connecting member 100 according to the second embodiment described above, and other than the mounting member 110. The member is the same as the building exterior material 10 according to the second embodiment described above. Therefore, the above-mentioned first
The same members as those in the embodiment and the second embodiment are designated by the same reference numerals and the description thereof will be omitted.

The connecting member 100 according to the third embodiment is
As shown in FIG. 4, the inner mounting member 1 extends outward from both inner and outer ends of the columns 92 and 93 of the connecting member 100.
11 and the outer mounting member 112 are extended. The inner mounting member 111 is composed of a cylindrical bolt extending from the inner end of the inner column 92 of the connecting member 100, and the inner heat insulating wall pressing member 120 formed of a seat nut is screwed to the tip of the inner mounting member 111. There is. The inner heat insulating wall pressing member 120 is attached to the inner mounting member 111 such that the seat 121 side is located inside the room.

On the inner wall surface of the building exterior material 10,
An incombustible heat insulating material 130 is attached between the inner sandwiching piece 95 of the connecting member 100 and the inner heat insulating wall pressing member 120.
Further, an interior noncombustible wall 140 is attached to the interior side of the noncombustible heat insulating material 130 such that the seat portion 121 of the inner heat insulating wall retaining member 120 presses the interior side.

An interior mounting member 150 is screwed to the inside of the inner heat insulating wall pressing member 120. The interior mounting member 150 has a bolt portion 152 protruding from one side surface of the flange 151 and a rod-shaped mounting portion 153 protruding from the other side surface of the flange 151. The interior mounting member 150 can be mounted by screwing the bolt portion 152 into the screw hole on the tip side of the inner heat insulating wall pressing member 120. At this time, the flange 151 portion comes into contact with the end surface of the inner heat insulating wall pressing member 120, so that the screwing amount of the bolt portion 152 is regulated.

With this interior mounting member 150, interior materials such as a frame can be mounted on the side wall surface of the room. Also,
The outer mounting member 112 is the outer support column 93 of the connecting member 100.
An outer heat insulating wall pressing member 160 formed of a nut with a seat is screwed to the tip of the outer mounting member 112. The outer heat insulating wall pressing member 160 is attached to the outer attaching member 112 such that the seat 161 side is located outside the room.

Then, on the outer wall surface of the building exterior material 10,
An incombustible heat insulating material 170 is attached between the outer sandwiching piece 95 of the connecting member 100 and the seat portion 161 of the outer heat insulating wall pressing member 160. Further, on the outdoor side of the non-combustible heat insulating material 130,
A decorative exterior material 180 is attached. Further, an exterior mounting member 190 can be screwed on the outdoor side of the outer heat insulating wall pressing member 160. The exterior mounting member 190 has, for example, an engagement ring 192 provided at the tip of a bolt 191, and the bolt 191 is screwed into a screw hole on the tip side of the outer heat insulating wall pressing member 160 to be attached.

Further, the outer steel plate 30 of the building exterior material 10
By interposing the sound absorbing material 200 between the above and the non-combustible heat insulating material 130, the sound insulation effect can be enhanced. The sound absorbing material 200 has a thickness of, for example, about 25 mm.

The inner mounting member 111 and the outer mounting member 112 may be provided at any position in the height direction of the connecting member 100, for example, near the upper end or the lower end, or near the center. It is provided in. Further, the connecting member 100 may be provided with both the inner mounting member 111 and the outer mounting member 112, only the inner mounting member 111, or only the outer mounting member 112.

Further, in the above embodiment, the inner mounting member 111 and the outer mounting member 112 are extended from the inner and outer ends of the columns 92 and 93 of the connecting member 100, but the inner mounting member 111 and the outer mounting member 112 are connected. Instead of being provided integrally with the columns 92, 93 of the member 100, the inner mounting member 111 and the outer mounting member 112 may be formed by bolts screwed to the inner and outer ends of the columns 92, 93 of the connecting member 100. An example of how to use the exterior mounting member 190 described above will be described with reference to FIG.

FIG. 5 is a perspective view of a building exterior panel 210 in which a plurality of building exterior materials 10 ... Are connected. As shown in FIG. 5, when exterior mounting members 190, 190 are diagonally attached to appropriate upper and lower ends of a building exterior panel 210 in which a plurality of building exterior materials 10 ... A brace 220 can be stretched between 190 and 190. In this way, by straddling the brace 220, the building exterior panel 210 can be reinforced.

Also, by appropriately changing the shape of the exterior mounting member 190 to be hook-shaped, rod-shaped, or the like, a window frame, wiring, etc. can be mounted. It is needless to say that the brace 220 may be attached and reinforced to the inner attachment member 111 described above.

The building exterior material 10 and the building exterior panel 210 using the building exterior material 10 described above can be used, for example, as a wall material for a building such as a house, an office, a warehouse or an apartment. When used in these buildings, the production cost is low, and the work is easy because it is lightweight, and it is resistant to shaking such as earthquakes, etc., and it is resistant to fire because it uses noncombustible materials. Further, since it is excellent in heat insulating effect, especially when it is used in a house, a condominium, etc., the heating effect or the cooling effect can be enhanced, and dew condensation does not occur on the indoor side.

[0046]

As described above, since the present invention has the above-mentioned structure, the following effects can be obtained.

According to the first aspect of the present invention, the heat insulating material interposed in the overlapping portion of both steel plates causes the outer steel plate to the inner steel plate,
Alternatively, it is possible to prevent heat from being transferred from the inner steel plate to the outer steel plate. Therefore, it is possible to provide a building exterior material that has excellent heat insulation properties, is inexpensive, and is easily transported.

According to the second aspect of the invention, both ends of the outer steel plate and the inner steel plate are fitted to each other. Therefore, there is no risk that the outer steel plate and the inner steel plate will be separated from each other, and it is possible to provide an exterior material for construction that is strong and resistant to impact.

According to the third aspect of the present invention, a plurality of building exterior materials can be connected left and right by inserting a connecting member such as a connecting fitting into the connecting groove formed on the left and right side surfaces of the heat insulating core. Therefore, a long building exterior panel can be easily formed using this building exterior material.

According to the fourth aspect of the invention, the outer steel plate and the inner steel plate having the connecting groove are formed in the same shape and are arranged point-symmetrically. Therefore, the outer steel plate and the inner steel plate can be formed by the same mold, and both steel plates can be shared, so that the manufacturing cost of the building exterior material can be reduced.

In the invention according to claim 5, the building exterior materials are arranged side by side, and the connecting members are inserted into the connecting grooves formed on the left and right side surfaces of the heat insulating core material, so that the plurality of building exterior materials are placed on the left and right sides. They can be joined to form an integral architectural exterior panel. Therefore, even when a long building exterior panel is formed, the building exterior material, which is a structural unit, can be easily transported, the assembling work can be facilitated, and the manufacturing cost can be reduced.

Further, due to the heat insulating effect of each building exterior material constituting the building exterior panel, the building exterior panel as a whole has excellent heat insulating properties. By using this building exterior panel, dew condensation does not occur. You can build houses, offices, warehouses, buildings, etc.

According to the sixth aspect of the present invention, a window frame, wiring, brace or the like can be attached to the attachment member provided on the outside of the room, and a frame or the like can be hung on the attachment member provided on the inside of the room. You can Therefore, the versatility of the building exterior panel can be enhanced.

According to the seventh aspect of the present invention, the supporting column forming the connecting member is provided with a gap portion that divides the supporting column into two in the inner and outer directions. Therefore, this gap portion acts as a heat insulating layer and can prevent conduction of heat from the outer side to the inner side or from the inner side to the outer side of the building exterior panel, and further provides the building exterior panel having excellent heat insulating properties. You can
It is possible to reliably prevent the occurrence of dew condensation.

[Brief description of drawings]

FIG. 1 is a cross-sectional view of a first embodiment of a building exterior material according to the present invention.

FIG. 2 is a cross-sectional view of a building exterior material connected by a connecting member according to a second embodiment.

FIG. 3 is a perspective view of a connecting member according to a second embodiment.

FIG. 4 is a cross-sectional view of a building exterior material connected by a connecting member according to a third embodiment.

FIG. 5 is a perspective view of a building exterior panel in which a plurality of building exterior materials are connected.

[Explanation of symbols]

 10 Building Exterior Material 15 Dew Condensation Agent 20 Insulation Core Material 30 Outer Steel Plate 31 Bent Part 32 First Folded Part 33 Second Folded Part 40 Inner Steel Plate 50 Insulation Material 60 Connecting Groove 70 Spacer 80 Connection Member 81 Strut 82 Clamping Piece 83 Colliding portion 90 Connection member (second embodiment) 91 Gap portion 92 Inner support pillar 93 Outer support pillar 94 Engagement protrusion 95 Clamping piece 100 Connection member (third embodiment) 110 Mounting member 111 Inner mounting member 112 Outer mounting member 120 Inner heat insulating wall pressing member 121 Seat portion 130 Non-combustible heat insulating material 140 Interior non-combustible wall 150 Interior mounting member 151 Flange 152 Bolt portion 153 Mounting portion 160 Outer heat insulating wall pressing member 170 Non-combustible heat insulating material 180 Exterior mounting material 191 Exterior mounting material 191 Bolt 192 Combined ring 200 Sound absorbing material 210 Exterior panel for construction 22 0 brace

Claims (7)

[Claims] 1. A building exterior material in which an outer peripheral wall surface of a heat insulating core material is covered with a steel plate, wherein the steel plate covers an outer steel sheet covering an outer wall surface of the heat insulating core material and an inner wall surface of the heat insulating core material. An outer sheathing material for construction, characterized in that the outer steel sheet and the inner steel sheet are polymerized via the heat insulating material on the left and right side surfaces of the heat insulating core material. 2. The outer sheath and the inner steel plate are formed with folded portions at both ends thereof which are fitted to each other, and the folded portions are polymerized with each other, and the exterior for building according to claim 1. Material. 3. The building exterior material according to claim 1, wherein connecting grooves are formed on the left and right side surfaces of the heat insulating core material. 4. The connecting grooves formed on the left and right side surfaces of the heat insulating core material are formed by bending the outer steel sheet on one side and by bending the inner steel sheet on the other side. The exterior material for construction according to claim 3, wherein. 5. A building exterior panel in which outer wall surfaces of a heat insulating core material are covered with steel plates, and the building exterior materials are juxtaposed side by side, and the building exterior materials are connected by a connecting member. The exterior material is an outer steel plate that covers the outer wall surface of the heat insulating core material, and an inner steel plate that covers the inner wall surface of the heat insulating core material while polymerizing with the outer steel plate through the heat insulating material on the left and right side surfaces of the heat insulating core material, The connecting member is composed of connecting grooves formed on the left and right side surfaces of the heat insulating material, and the connecting member is provided between the adjoining building exterior materials, and the inner and outer ends of the pillars. A connecting member that has a sandwiching piece that sandwiches the wall surface from the outside, and a projection that is provided so as to project backward from the middle of the pillar and that engages in the connecting groove of the building exterior material. Exterior panel for construction. 6. The building exterior panel according to claim 5, wherein a mounting member protruding outward is provided on at least one side of both inner and outer ends of the support column of the connecting member. 7. The support member of the connecting member is provided in the middle of the inner and outer directions with a gap extending in the up and down direction and having inner and outer positions reversed in the middle of the up and down direction. Separation into stanchions and outer stanchions.In the upper half, an engaging protrusion is formed on either the inner stanchion or the outer stanchion, and in the lower half, the outer stanchion or inner stanchion opposite to the upper half. The building exterior panel according to claim 5 or 6, wherein an engaging protrusion is formed on the.