JP2007009469A - Auxiliary joint material and structure of joint section of external facing - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an auxiliary joint material capable of specially improving cut-off efficiency in a joint section of an external facing and a structure of the joint section of the external facing formed by making use thereof. <P>SOLUTION: The auxiliary joint material is fitted into a gap between lower parts of both upper tongues 3a and 4a opposed to the adjoining external facings 3 and 4 in a wall surface 2 of a building, and comprises a joint material body 10 extended in the vertical direction of the wall surface 2, a primary lip 11 exposed to the gap between the upper tongues 3a and 4a while elastically adhering to the upper tongues 3a and 4a, secondary lips 12 and 13 formed by extending toward the exterior side of both sides of the joint material body 10 or the direction of the width of the primary lip 11 and elastically adhering to the upper tongues 3a and 4a, and an elastic leg section 14 that is formed in the back of the joint material body 10 and energizing the joint material body 10 so as to separate from the wall surface 2 of the building. The structure of the external facing using the auxiliary joint material is also provided. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an auxiliary joint material that is fitted into a gap between the upper sashes facing each other when the upper sash and the upper sash of the exterior materials attached adjacent to the wall surface of the building face each other, and an exterior using the auxiliary joint material The present invention relates to the structure of the joint portion of the material.

2. Description of the Related Art Conventionally, in connection with construction of an outer wall of a building, a technique is known in which adjacent exterior materials and exterior materials are joined to each other by fitting the sane formed on the end portions of these exterior materials (for example, patents) Reference 1).
The technology as described in this patent document 1 is provided in the gap between the female finishes facing each other between the main finish plate attached to the wall of the building and the corner finish plate attached to the corner of the building. It has a structure in which a lower sash auxiliary material for forming a sash is fitted, and in particular, it is possible to improve the workability of a corner portion of a building.
Japanese Patent Laying-Open No. 2005-076202

  By the way, the lower seed auxiliary material as described above is made of rubber and has elasticity. And the lower seed auxiliary | assistant material is provided with elasticity in this way, The water-stopping property of the junction part of the said corner finishing board | plate material (henceforth a corner exterior material) and a main finishing board | plate material (henceforth exterior material) is improved. Be able to.

However, since such a lower spring auxiliary material has a cross-sectional shape formed in a trapezoidal shape or a rectangular shape, for example, when the distance between both female sane and the wall surface of the building is large, In some cases, rainwater or the like infiltrated between the auxiliary material (hereinafter referred to as auxiliary joint material) and female sane (hereinafter referred to as upper sap).
For this reason, when constructing the outer wall of a building, development of the technique which can improve the water stop property of the junction part of the exterior materials attached adjacently was strongly desired.

  An object of the present invention is to provide an auxiliary joint material capable of remarkably improving the water-stopping property at the joint portion of the exterior material attached to the wall surface of the building and the structure of the joint portion of the exterior material using the auxiliary joint material. Objective.

The invention according to claim 1, for example, as shown in FIG. 1 and FIG. 2, when the upper sash 3 a and the upper sash 4 a between the exterior materials 3 and 4 attached adjacent to the wall surface 2 of the building face each other, In the auxiliary joint material 1 that is fitted into the lower gap between the upper upper 3a and 4a facing each other,
A joint material body 10 extending in the vertical direction of the wall surface 2 of the building;
It extends along the joint material main body 10 and is formed on the surface of the joint material main body 10 so as to be elastically in close contact with the upper sap 3a, 4a and exposed to a gap between the upper sap 3a, 4a. Primary lip 11 to
Secondary lips 12, 13 that extend toward the outside on both sides in the width direction of the joint material body 10 or the primary lip 11, and elastically contact the upper sash 3a, 4a;
It is characterized by comprising elastic leg portions 14 formed on the back surface of the joint material body 10 and urging the joint material body 10 away from the wall surface 2 of the building.

According to the first aspect of the present invention, the joint material body 10 is fitted in the gap between the lower upper sashes 3a and 4a so as to extend in the vertical direction of the wall surface 2 of the building. The primary lip 11 formed on the surface of the joint material main body 10 is exposed in the gap between the upper sash 3a and 4a while being elastically in close contact with the upper sap 3a and 4a. Further, the secondary lips 12 and 13 formed outwardly extending on both sides in the width direction of the joint material body 10 or the primary lip 11 are in close contact with the upper sash 3a and 4a.
Since the joint material body 10 is urged away from the wall surface 2 of the building by the elastic legs 14 formed on the back surface of the joint material body 10, the primary lip 11 is Invasion of rainwater or the like can be prevented with close contact with 3a and 4a. On the other hand, since the secondary lips 12 and 13 are also in close contact with the upper sash 3a and 4a, it is possible to prevent intrusion of rainwater or the like together with the primary lip 11.
Therefore, it is possible to reliably prevent rainwater or the like from entering the gap between the lower upper sap 3a and 4a facing each other, and the water stoppage of the joint A of the exterior materials 3 and 4 can be remarkably improved. Become.

The invention according to claim 2 is the auxiliary joint material 1 according to claim 1, for example, as shown in FIG. 1 and FIG.
The primary lip 11 has a hollow portion 11 a therein, and the tip ends of the secondary lips 12 and 13 are separated from the primary lip 11.

According to the second aspect of the present invention, since the primary lip 11 has the hollow portion 11a therein, the primary lip 11 is easily elastically bent. In addition to being able to be easily fitted into the gaps between the lower portions, it is possible to more securely and closely contact the upper sash 3a, 4a by the elastic return force. Therefore, the primary lip 11 can prevent rainwater and the like from entering the gap between the upper sashes 3a and 4a facing each other, and can improve the water stoppage of the joint A of the exterior materials 3 and 4. It becomes possible.
In addition, since the distal end portions of the secondary lips 12 and 13 are separated from the primary lip 11, in the gap between the lower upper dies 3 a and 4 a facing each other on both sides in the width direction of the primary lip 11. Since the secondary lips 12 and 13 form a rainwater stop, it is possible to prevent rainwater and the like from entering the primary lip 11 together. Therefore, it is possible to reliably prevent rainwater or the like from entering the gap between the lower upper sap 3a and 4a facing each other, and the water stoppage of the joint A of the exterior materials 3 and 4 can be remarkably improved. Become.

The invention according to claim 3 is the auxiliary joint material 1 according to claim 1 or 2, as shown in FIG.
Of the secondary lips 12 and 13 formed on both sides of the joint material body 10 or the primary lip 11 in the width direction, one secondary lip 12 and the elastic leg portion 14 are formed by the other secondary lip 13. It is characterized in that it is inclined toward the side where it is formed.

  According to the third aspect of the present invention, the one secondary lip 12 and the elastic leg portion 14 are inclined toward the side where the other secondary lip 13 is formed. When the joint material 1 is attached, it is easy to insert it into the lower part of the upper frame 3a of one of the exterior materials 3 among the exterior materials 3 and 4 attached adjacent to the wall surface 2 of the building. Therefore, it is possible to improve the workability related to the joining of the exterior materials 3 and 4 as compared with the conventional case.

For example, as shown in FIGS. 2 to 4, the invention according to claim 4 is an exterior material 3, 4 (40) using the auxiliary joint material 1 according to any one of claims 1 to 3. The structure of the joint A (B),
A first exterior material 3 having a lower sash 3c at one end in the width direction and an upper sap 3a at the other end, and a second exterior material 4 (40) having upper sap 4a (40a) and 4a (40a) at both ends. Are attached to the wall surface 2 of the building so that the upper sash 3a and the upper sash 4a (40a) of the exterior materials 3, 4 (40) face each other.
A gap is formed between the opposing upper sash 3a, 4a (40a) and the wall surface 2 of the building, and the joint material body 10 is fitted into the gap so as to extend in the vertical direction of the wall surface 2 of the building. And
The joint material body 10 is biased by the elastic legs 14 so as to be separated from the wall surface 2 of the building, and the primary lip 11 and the secondary lips 12 and 13 are connected to the upper sash 3a, 4a (40a). It is characterized by being elastically in close contact with.

According to the fourth aspect of the present invention, the first exterior member 3 having the lower sash 3c at one end in the width direction and the upper sash 3a at the other end, and the upper sash 4a (40a) and 4a (40a) at both ends. The provided second exterior material 4 (40) is attached to the wall surface 2 of the building so that the upper sash 3a and the upper sap 4a (40a) of these exterior materials 3, 4 (40) face each other. Therefore, the said clearance gap will arise in the lower part of these upper sashes 3a, 4a (40a) which face each other.
Since the joint material body 10 is fitted in this gap so as to extend in the vertical direction of the wall surface 2 of the building, the primary lip 11 formed on the surface of the joint material body 10 has the upper 3a and 4a (40a) are exposed in the gap between the upper sash 3a and 4a (40a) while being elastically intimately contacted. Further, the secondary lips 12 and 13 formed to extend outward on both sides in the width direction of the joint material body 10 or the primary lip 11 are elastically in close contact with the upper sash 3a and 4a (40a). To do.
Furthermore, since the joint material body 10 is urged away from the wall surface 2 of the building by the elastic legs 14 formed on the back surface of the joint material body 10, the primary lip 11 is 3a, 4a (40a) can be strongly in close contact with rainwater and the like. On the other hand, since the secondary lips 12 and 13 are also in close contact with the upper sash 3a and 4a (40a), it is possible to prevent intrusion of rainwater and the like together with the primary lip 11.
Therefore, it is possible to reliably prevent rainwater and the like from entering the gaps between the lower tops 3a, 4a (40a) facing each other, and the waterproofness of the joint A (B) of the exterior materials 3, 4 (40). Can be significantly improved.
On the other hand, the auxiliary joint material 1 plays a role as a lower susceptibility by being fitted into a gap between the lower sash 3a and 4a (40a) of the first and second exterior materials 3 and 4 (40). It will be. From this, when constructing the outer wall of the building, the auxiliary joint material 1 is fitted into the lower part of the upper sash 3a of the first exterior material 3, and the other exterior material is placed on the auxiliary joint material 1 from above. By simply covering and fixing the material 4 (40), the installation can be completed easily, so that the workability of the outer wall of the building can be improved.

The invention according to claim 5 is, for example, as shown in FIGS. 2 to 4, in the structure of the joint portion A (B) of the exterior materials 3, 4 (40) according to claim 4.
The auxiliary joint material 1 is fitted into the gap over substantially the same height as the first and second exterior members 3 and 4 (40).

  According to the invention described in claim 5, since the auxiliary joint material 1 is fitted in the gap over substantially the same height as the first and second exterior materials 3, 4 (40), the The gap can be closed to prevent rainwater and the like from entering, and the appearance can be improved.

According to the present invention, when the upper sash and the upper sash of the exterior materials attached adjacent to the wall surface of the building face each other, the joint material body of the auxiliary joint material fitted in the gap between the lower sashes facing each other is provided. Since it is fitted so as to extend in the vertical direction of the wall surface of the building, the primary lip formed on the surface of the joint material main body is elastically in close contact with the upper sash and is formed in the gap between the upper sashes. Exposed. Moreover, the secondary lip extended toward the outside on both sides in the width direction of the joint material main body or the primary lip is elastically intimately contacted with the upper frame.
And since the joint material body is urged away from the wall surface of the building by the elastic legs formed on the back surface of the joint material body, the primary lip is strongly in close contact with the upper frame. Intrusion of rainwater etc. can be prevented. On the other hand, since the secondary lip is also in close contact with the upper lip, together with the primary lip, it is possible to prevent the intrusion of rainwater and the like.
Therefore, it is possible to reliably prevent rainwater and the like from entering the gap between the lower upper sashes facing each other, and it is possible to remarkably improve the water stoppage of the joint portion of the exterior material.
On the other hand, when constructing the outer wall of the building, the auxiliary joint material is fitted into the lower part of the upper sash of one exterior material that is attached adjacent to the wall surface of the building, and the other side from above the auxiliary joint material. Installation is completed simply by covering and fixing the exterior material. At this time, either the secondary lip and the elastic leg portion of the joint material main body or the secondary lip formed on both sides in the width direction of the primary lip form the other secondary lip. When the auxiliary joint material is attached, the exterior material attached adjacent to the wall surface of the building can be easily inserted into the lower part of the upper part of one of the exterior materials. Yes. Therefore, it is possible to improve the workability related to the joining of the exterior materials as compared with the conventional case, and it is possible to improve the workability of the outer wall of the building.

Hereinafter, an embodiment of the structure of the joint portion A (B) of the auxiliary joint material 1 according to the present invention and the exterior materials 3, 4 (40) using the same will be described with reference to the drawings.
The building according to the present embodiment is constructed by a panel method in which building components such as walls, floors, and roofs are panelized at a factory in advance, and these panels are assembled at a construction site.

[First Embodiment]
As shown in FIGS. 1 and 2, the auxiliary joint material 1 of the present embodiment is formed when the upper sash 3a and the upper sash 4a of the exterior materials 3 and 4 attached adjacent to the wall surface 2 of the building face each other. The upper upper 3a and 4a facing each other are inserted into the gap between the lower
A joint material body 10 extending in the vertical direction of the wall surface 2 of the building;
It extends along the joint material main body 10 and is formed on the surface of the joint material main body 10 so as to be elastically in close contact with the upper sap 3a, 4a and exposed to a gap between the upper sap 3a, 4a. Primary lip 11 to
Secondary lips 12, 13 that extend toward the outside on both sides in the width direction of the joint material body 10 or the primary lip 11, and elastically contact the upper sash 3a, 4a;
Elastic leg portions 14 are formed on the back surface of the joint material body 10 and bias the joint material body 10 away from the wall surface 2 of the building.

  Here, the upper sash 3a, 4a refers to a protrusion protruding from each end surface of the exterior material 3, 4, and in the present embodiment, the end surface of the surface side surface of the exterior material 3, 4 is extended. The raised projections are referred to as the upper sash 3a and 4a. On the other hand, the protrusion which extended the surface by the side of the outer wall of the building in which the said exterior | packing material 3 is attached is made into the lower sane 3c.

As shown in FIG. 2, the exterior materials 3 and 4 are attached to the wall surface 2 of the building so that the upper sash 3a and the upper sash 4a of the adjacent exterior materials 3 and 4 face each other.
In the present embodiment, a plurality of tiles 3b and 4b are attached to the entire surface of the exterior materials 3 and 4 in a line at equal intervals. However, the present invention is not limited to this. Synthetic resin exterior materials and metal exterior materials may be used. That is, changes can be made as appropriate without departing from the spirit of the present invention.

  As shown in FIG. 1, the joint material main body 10 is substantially in the center of the auxiliary joint material 1 and is formed in a long and flat shape so as to extend in the vertical direction of the wall surface 2 of the building. . Further, a part of the joint material main body 10 is cut out along the length direction of the joint material main body 10.

The primary lip 11 extends along the joint material main body 10 and is formed on the surface of the joint material main body 10, and has a hollow portion 11a therein.
As described above, since the primary lip 11 has the hollow portion 11a in the interior thereof, the primary lip 11 can be elastically bent easily by having the hollow portion 11a in the interior thereof. It can be easily fitted into the gap between the bottoms 3a and 4a, and the elastic return force makes it possible to contact the tops 3a and 4a elastically and more reliably. Therefore, the primary lip 11 can prevent rainwater and the like from entering the gap between the upper sashes 3a and 4a facing each other, and can improve the water stoppage of the joint A of the exterior materials 3 and 4. It is possible.

  Further, as shown in FIGS. 1 and 2, the primary lip 11 has a two-layer structure, and the surface layer portion 11b has a color different from that of the inner layer. Therefore, if the auxiliary joint material 1 of various colors is prepared, a color suitable for the color of the exterior materials 3 and 4 of the building in which the auxiliary joint material 1 is used can be appropriately selected.

As shown in FIG. 1, the secondary lips 12 and 13 are formed to extend outward on both sides of the joint material body 10 or the primary lip 11 in the width direction, and the leading ends thereof are the primary lips. 11 apart.
As described above, since the tip end portion is separated from the primary lip 11, the secondary lip is formed on both sides in the width direction of the primary lip 11 in the gap between the upper sash 3a and 4a facing each other. Since the rain water stop is further formed by 12 and 13, it is possible to prevent rain water and the like from entering both together with the primary lip 11. Therefore, it is possible to reliably prevent rainwater or the like from entering the gap between the lower upper sap 3a and 4a facing each other, and the water stoppage of the joint A of the exterior materials 3 and 4 can be remarkably improved. Become.

The said elastic leg part 14 is formed in the back surface of the said joint material main body 10, and biases this joint material main body 10 so that it may space apart from the wall surface 2 of the said building.
Of the secondary lips 12 and 13 formed on both sides of the joint material main body 10 or the primary lip 11 in the width direction, one of the secondary lips 12 and the elastic leg portion 14 includes the other secondary lip 13. It is inclined toward the side where it is formed.
Thereby, when attaching the said auxiliary joint material 1, it becomes easy to insert in the lower part of the upper sash 3a of one exterior material 3 among the exterior materials 3 and 4 attached adjacent to the wall surface 2 of the said building. Therefore, it is possible to improve the workability related to the joining of the exterior materials 3 and 4 as compared with the conventional case.

  The elastic leg portion 14 has the shape as described above in the present embodiment, but is not limited to this shape. For example, as shown in FIGS. What formed the elastic leg part 15 or the thing provided with the hollow elastic leg part 16 may be used. This is because, for example, when the space between the lower part of the upper sash 3a, 4a into which the auxiliary joint material 1 is fitted and the wall surface 2 of the building is large, those having suitable shapes are used.

  In addition, the auxiliary joint material 1 of the present embodiment is formed by integrally molding a resin such as rubber by extrusion molding, but is not limited to this, and has elasticity, It goes without saying that it can be appropriately changed without departing from the gist of the present invention that it is fitted into the lower gap between the upper sashes 3a, 4a facing each other.

According to the auxiliary joint material 1 as described above, the joint material body 10 is fitted in the gap between the lower upper sashes 3a and 4a so as to extend in the vertical direction of the wall surface 2 of the building. The primary lip 11 formed on the surface of the joint material main body 10 is exposed in the gap between the upper sash 3a and 4a while being elastically in close contact with the upper sap 3a and 4a. Further, the secondary lips 12 and 13 formed outwardly extending on both sides in the width direction of the joint material body 10 or the primary lip 11 are in close contact with the upper sash 3a and 4a.
Since the joint material body 10 is urged away from the wall surface 2 of the building by the elastic legs 14 formed on the back surface of the joint material body 10, the primary lip 11 is Invasion of rainwater or the like can be prevented with close contact with 3a and 4a. On the other hand, since the secondary lips 12 and 13 are also in close contact with the upper sash 3a and 4a, it is possible to prevent intrusion of rainwater or the like together with the primary lip 11.
Therefore, it is possible to reliably prevent rainwater or the like from entering the gap between the lower upper sap 3a and 4a facing each other, and the water stoppage of the joint A of the exterior materials 3 and 4 can be remarkably improved. Become.

  Next, the structure of the joint portion A of the exterior materials 3 and 4 using the auxiliary joint material 1 as described above will be described.

As shown in FIG. 2, the structure of the joint portion A of the exterior materials 3 and 4 according to the present embodiment uses the auxiliary joint material 1 described above.
A first exterior material 3 having a lower sash 3c at one end in the width direction and an upper selenium 3a at the other end, and a second exterior material 4 having upper sash 4a and 4a at both ends, are these exterior materials 3, 4 It is attached to the wall 2 of the building so that the upper sash 3a and the upper sap 4a face each other,
A gap is formed between the facing upper sash 3a, 4a and the wall surface 2 of the building, and the joint material body 10 is fitted into the gap so as to extend in the vertical direction of the wall surface 2 of the building,
The joint material body 10 is biased by the elastic legs 14 so as to be separated from the wall surface 2 of the building, and the primary lip 11 and the secondary lips 12 and 13 are elastic to the upper sash 3a and 4a. The structure is closely related to.

  In addition, the auxiliary joint material 1 is fitted into the gap over substantially the same height as the first and second exterior materials 3, 4, whereby the first and second exterior materials 3, It is possible to reliably close the gap between the four to prevent the intrusion of rainwater and the like, and to improve the appearance and improve the appearance.

On the other hand, as described above, the building of this embodiment is constructed by a panel method in which building components such as walls, floors, and roofs are panelized in advance in the factory, and these panels are assembled at the construction site. It is.
That is, as a method of constructing the joint portion A of the exterior materials 3 and 4, the first exterior material 3 having a configuration in which the lower sash 3c is provided at one end in the width direction and the upper sap 3a is provided at the other end is previously joined in a factory. Then, it is attached to the wall panel 20 via the trunk edge 5.
And by attaching the said 1st exterior material 3 to the wall panel 20 previously in a factory in this way, in the construction site, not only the effort which attaches the said 1st exterior material 3 can be saved, but also a wall panel The auxiliary joint material 1 is inserted into the upper sash 3a of the first exterior material 3 attached to 20, and the second exterior material 4 provided with the upper sash 4a and 4a is fitted and fixed to the both ends from above. The outer wall can be constructed just by doing.
In addition, the auxiliary joint material 1 may be inserted and fixed in advance in the lower part of the upper sash 3a of the first exterior material 3 in a factory. Thereby, since the effort which attaches the auxiliary joint material 1 in a construction site can be saved, it is preferable.

  Furthermore, it is preferable to provide a waterproof and moisture permeable sheet 6 in advance on the surface of the wall panel 20. That is, by providing the waterproof and moisture permeable sheet 6 between the first and second exterior members 3 and 4 and the wall surface 2 of the building, rainwater and the like enter the back side of the waterproof and moisture permeable sheet 6. Therefore, the waterproof property can be further improved.

  In addition, as a mounting method of the exterior materials 3 and 4 as described above, a method such as nail driving or screwing is performed after sunk joining.

According to the structure of the joint portion A of the exterior materials 3 and 4 as described above, the first exterior material 3 having the lower sash 3c at one end in the width direction and the upper sash 3a at the other end, and the upper sash 4a at both ends, Since the second exterior material 4 provided with 4a is attached to the wall surface 2 of the building so that the upper sash 3a and the upper sap 4a of the exterior materials 3 and 4 face each other, the upper sash 3a facing each other. Thus, the gap is formed at the lower part of 4a.
Since the joint material body 10 is fitted in this gap so as to extend in the vertical direction of the wall surface 2 of the building, the primary lip 11 formed on the surface of the joint material body 10 has the upper 3a and 4a are exposed in the space between the upper sash 3a and 4a while being elastically intimately contacted with 3a and 4a. Further, the secondary lips 12 and 13 formed outwardly extending on both sides in the width direction of the joint material body 10 or the primary lip 11 are in close contact with the upper sash 3a and 4a.
Furthermore, since the joint material body 10 is urged away from the wall surface 2 of the building by the elastic legs 14 formed on the back surface of the joint material body 10, the primary lip 11 is Invasion of rainwater or the like can be prevented with close contact with 3a and 4a. On the other hand, since the secondary lips 12 and 13 are also in close contact with the upper sash 3a and 4a, it is possible to prevent intrusion of rainwater or the like together with the primary lip 11.
Therefore, it is possible to reliably prevent rainwater and the like from entering the gap between the upper sashes 3a and 4a facing each other, and to significantly improve the waterproofness of the joint portion A of the exterior materials 3 and 4. Become.
On the other hand, the auxiliary joint material 1 plays a role as a lower suspicion by being fitted into a gap between the upper sash 3a and 4a of the first and second exterior materials 3 and 4. From this, when constructing the outer wall of the building, the auxiliary joint material 1 is fitted into the lower part of the upper sash 3a of the first exterior material 3, and the other exterior material 4 is covered from above. Since the attachment is completed simply by fixing, it is possible to improve the workability of the outer wall of the building.

[Second Embodiment]
Hereinafter, another embodiment of the structure of the joint portion A of the exterior materials 3 and 4 described above will be described with reference to the drawings. For convenience of explanation, only components that are different from the above-described first embodiment will be described.

That is, the present embodiment is a structure of the joint portion B of the exterior materials 3 and 40, and as shown in FIG. 3, the auxiliary joint is formed in a gap between the upper sash 3a and 40a facing each other in the corner portion 30 of the building. It is shown that the material 1 is fitted.
Here, instead of the second exterior material 4 described above, a corner exterior material 40 attached to the corner portion 30 of the building and having a plurality of tiles 40b attached to the entire surface at equal intervals is used. It is set as the structure provided with the upper sap 40a and 40a at the both ends.

  In addition, as described above, the building of the present embodiment is constructed by a panel method in which building components such as walls, floors, and roofs are panelized in the factory in advance, and these panels are assembled at the construction site. It is. That is, the outer wall of the building is constituted by wall panels 31 and 32, and the corner portion 30 of the building is constituted by abutting the end portions of the wall panels 31 and 32 together.

  Here, the wall panels 31 and 32 are configured such that a vertical frame and horizontal frame are assembled in a rectangular shape, and an auxiliary frame is assembled vertically and horizontally inside a rectangular frame to form a frame, and both sides of the frame or A face material is affixed to one side and has a hollow structure inside. In addition, a heat insulating material such as glass wool or rock wool is usually loaded in the hollow interior portion.

In order to form the corner portion 30 of the building using such wall panels 31, 32, as shown in FIG. 4, the other wall panels 31, 32 are provided on one side surface of the one wall panel 31, 32. It is formed so that the end faces of the two face each other.
Further, on the surface of the wall panels 31 and 32, a lower sash 3c is provided at one end in the width direction as described above, and an upper sap 3a is provided at the other end in a place excluding the corner portion 30 of the building in advance. The provided first exterior members 3 are sane-bonded and pasted via the trunk edge 5. The waterproof / moisture permeable sheet 6 is provided between the first exterior member 3 and the wall panels 31 and 32.
Of the first exterior members 3 attached to the building except for the corner portion 30, the first exterior member 3 facing the corner portion 30 is, as shown in FIG. 3 and FIG. The upper sash 3 a is attached so as to face the corner part 30, and the other is attached so that the lower sap 3 c faces the corner part 30.

And in order to attach the said auxiliary joint material 1 to the corner part 30 of the building of the above structures, as shown in FIG. 4, the said 1st exterior material attached to the wall surface 2 except the corner part 30 of a building 3, the auxiliary joint material 1 is inserted and attached to the lower part of the upper sash 3 a of the first exterior material 3 facing the corner portion 30 of the building.
In addition, the auxiliary joint material 1 may be inserted and fixed in advance in the lower part of the upper sash 3a of the first exterior material 3 facing the corner portion 30 of the building in a factory.

Next, as shown in FIG. 3, a corner exterior member 40 having upper sash 40 a and 40 a at both ends is attached to the corner portion 30.
At this time, the upper joints 40a, 40a at both ends of the outer packaging material 40 are inserted into the lower joint 3a of the first outer packaging material 3 facing the corner portion 30, and the auxiliary joint material 1 is inserted. Since it fits into the lower sane 3c of the other first exterior material 3, the corner exterior material 40 can be easily attached so as to cover the corner portion 30.

According to the structure of the joint portion B between the exterior materials 3 and 40 as described above, in the corner portion 30 of the building, the upper frames 3a and 40a facing each other between the first exterior material 3 and the exterior exterior material 40 are arranged. The joint material body 10 is fitted in the lower gap so as to extend in the vertical direction of the corner portion 30 of the building, and thereby the primary lip formed on the surface of the joint material body 10 11 is exposed in a gap between the upper sash 3a and 40a while being elastically intimately contacted with the upper sash 3a of the first exterior material 3 and the upper sash 40a of the corner exterior material 40. Further, the secondary lips 12 and 13 extended toward the outside on both sides in the width direction of the joint material main body 10 or the primary lip 11 are the upper sash 3a of the first exterior material 3 and the corner. The outer casing 40 is elastically in close contact with the upper frame 40a.
On the other hand, the auxiliary joint material 1 plays a role as a lower sunk by being fitted into a lower gap between the upper sash 3a of the first exterior material 3 and the upper sap 40a of the corner exterior material 40; Become. From this, when constructing the corner portion 30 of the building, the auxiliary joint material 1 is fitted into the lower part of the upper sash 3a of the first exterior material 3, and the corner exterior material 40 is formed thereon. Installation can be completed easily just by covering and fixing.

According to the present embodiment, the upper sash 3a and the upper sash 4a (40a) of the exterior materials 3, 4 (40), which include the corner portion 30 and are attached adjacent to the wall surface 2 of the building, face each other. At this time, by fitting the auxiliary joint material 1 into the lower gap between the upper sashes 3a, 4a (40a) facing each other, it is possible to reliably prevent rainwater and the like from entering the gap. 4 (40), it is possible to remarkably improve the water stoppage of the joint A (B).
On the other hand, when the outer wall of the building including the corner portion 30 is constructed, the auxiliary joint material 1 is fitted into the lower part of the upper sash 3a of the exterior material 3 attached to the wall surface 2 of the building. Simply by covering and fixing the exterior material 4 (40) from the top of the material 1, the mounting is completed easily. Accordingly, it is possible to improve the workability related to the joining of the exterior materials 3 and 4 (40) as compared with the conventional case, and it is possible to improve the workability of the outer wall of the building.

It is a perspective view which shows the auxiliary joint material of this invention. It is a top view which shows the structure of the junction part of the exterior material of this invention. It is a top view which shows the structure of the corner part of the building which uses the auxiliary joint material of FIG. It is a perspective view which shows having inserted the auxiliary joint material of FIG. 1 in the lower part of the upper sash of the exterior material attached to the wall surface of a building. (A), (b) is a front view which shows the other form of the auxiliary joint material of this invention.

Explanation of symbols

A Joint part of exterior material B Joint part of exterior material 1 Auxiliary joint material 2 Wall surface 3 Exterior material (first exterior material)
4 exterior material (second exterior material)
DESCRIPTION OF SYMBOLS 10 Joint material main body 11 Primary lip 12 Secondary lip 13 Secondary lip 14 Elastic leg part 30 Corner part 40 Corner exterior material

Claims (5)

In the auxiliary joint material that is fitted in the lower gap between the upper sashes facing each other when the upper sash between the exterior materials attached adjacent to the wall of the building faces each other,
A joint material body extending in the vertical direction of the wall surface of the building;
A primary lip that extends along the joint material body and that is formed on the surface of the joint material body so as to be elastically in close contact with the upper sash and exposed to a gap between the upper sashes;
A secondary lip formed on both sides in the width direction of the joint material main body or the primary lip and extending outward and elastically in close contact with the upper sash;
An auxiliary joint material comprising elastic leg portions formed on the back surface of the joint material body and biasing the joint material body away from the wall surface of the building. In the auxiliary joint material according to claim 1,
The primary lip has a hollow portion therein, and a tip end portion of the secondary lip is separated from the primary lip. In the auxiliary joint material according to claim 1 or 2,
Of the secondary lips formed on both sides of the joint material body or the primary lip in the width direction, one secondary lip and the elastic leg portion are inclined toward the side where the other secondary lip is formed. Auxiliary joint material characterized by A structure of a joint portion of an exterior material using the auxiliary joint material according to any one of claims 1 to 3,
A first exterior material having a lower sash at one end in the width direction and an upper sash at the other end, and a second exterior material having an upper sane at both ends face each other. Is attached to the wall of the building
A gap is formed between the facing upper frame and the wall surface of the building, and the joint material body is fitted in this gap so as to extend in the vertical direction of the wall surface of the building,
The joint material body is biased by the elastic legs so as to be separated from the wall surface of the building, and the primary lip and the secondary lip are elastically in close contact with the upper frame. Structure of the joint part of the exterior material. In the structure of the joint part of the exterior material according to claim 4,
A structure of a joint portion of an exterior material, wherein the auxiliary joint material is fitted into the gap over substantially the same height as the first and second exterior materials.

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