JP2022089268A - Exterior wall material top ventilation arrangement - Google Patents

Abstract

To provide an exterior wall material top ventilation arrangement superior in waterproof performance against rainwater rising along the exterior wall material while ensuring waterproof performance between the exterior wall material top and the ventilation member.SOLUTION: A parting edge 10 is constituted of a parting edge upper plate 11, a parting edge front plate 12, and a parting edge rear plate 13. A ventilation member 20 is constituted of a ventilation member bottom plate 21, a ventilation member front plate 22, and a ventilation member top plate 23. A plurality of ventilation holes 27 are formed in the ventilation member front plate 22, between the ventilation member bottom plate 21 and the ventilation member top plate 23, and a ventilation passage A is formed behind the ventilation member front plate 22. A first waterproof packing 31 is placed between the parting edge upper plate 11 and the ventilation member bottom plate 21, and a second waterproof packing 32 placed between the front face of the parting edge rear plate 13 and the exterior wall materials 99, 84 are provided. The depth dimension L1 of the parting edge upper plate 11 is larger than the thickness L2 of the exterior wall materials 99, 84, and a draining space B is formed between the parting edge front plate 12 and the exterior wall materials 99, 84.SELECTED DRAWING: Figure 1

Description

The present invention relates to an outer wall material upper end ventilation device installed above the outer wall material of a building.

Patent Document 1 proposes a parting edge used at the boundary between the outer wall material and the eaves ceiling material.
The parting edge of Patent Document 1 is composed of an upper plate and an outer plate and an inner plate hanging from both edges of the upper plate. Ribs are formed, and the outer corners of the upper end of the upper plate are concave corners, and a fitting groove for the plate material is formed inside the parting edge.

Microfilm of Jitsugyo Hei 02-99597 (Jitsukaihei 04-5946)

However, in the parting edge shown in Patent Document 1, the resistance to rainwater that is strongly sprayed on the outer wall material and tries to infiltrate into the wall ventilation layer from between the eaves ceiling material and the parting edge or between the outer wall material and the parting edge is increased. There are few problems with waterproof performance. In addition, if the surface of the eaves ceiling material or the surface of the outer wall material has irregularities as a design, or if the allowance for swallowing the outer wall material into the fitting groove is short, the risk of rainwater entering the wall ventilation layer is further increased. ..
A sealing material is often used for waterproofing between the outer wall material and the ventilation member, but the sealing material tends to be troublesome because it takes time to solidify.

An object of the present invention is to provide an outer wall material upper end ventilation device capable of ensuring waterproof performance between the upper end of the outer wall material and a ventilation member and having excellent waterproof performance against rainwater rising along the outer wall material.

The outer wall material upper end ventilation device of the present invention according to claim 1 is arranged above the outer wall materials 99 and 84 of the building and inward from the hanging members 97 and 85b arranged outward from the outer wall materials 99 and 84. The outer wall material upper end ventilation device is provided with a parting edge 10 covering the upper ends of the outer wall materials 99 and 84 and a ventilation member 20 arranged above the parting edge 10, and the parting edge 10 is the above-mentioned parting edge 10. The parting edge upper surface plate 11 covering the upper ends of the outer wall materials 99 and 84, the parting edge front plate 12 hanging from the front end of the parting edge upper surface plate 11, and the parting edge hanging from the rear end of the parting edge upper surface plate 11. The ventilation member 20 is composed of an edge rear surface plate 13, a ventilation member bottom plate 21 arranged to face the upper surface of the parting edge upper surface plate 11, and a ventilation member raised from the front end of the ventilation member bottom plate 21. The front plate 22 is composed of a ventilation member top plate 23 extending rearward from the upper end of the ventilation member front plate 22, and a ventilation hole 27 is formed in the ventilation member front plate 22 to form the ventilation member bottom plate. A ventilation passage A is formed behind the ventilation member front plate 22 between the ventilation member top plate 23 and the ventilation member top plate 23, and is arranged between the parting edge upper surface plate 11 and the ventilation member bottom plate 21. 1 The waterproof packing 31 and the second waterproof packing 32 arranged between the front surface of the parting edge rear surface plate 13 and the outer wall materials 99 and 84 are provided, and the depth dimension L1 of the parting edge upper surface plate 11 is defined as the outer wall. It is characterized in that the thickness L2 of the materials 99 and 84 is made larger than the thickness L2 to form a drainage space B between the parting edge front plate 12 and the outer wall materials 99 and 84.
According to the second aspect of the present invention, in the outer wall material upper end ventilation device according to the first aspect, a parting edge side ventilation path C is formed between the parting edge front plate 12 and the hanging members 97 and 85b. A ventilation member side ventilation passage D is formed between the ventilation member front plate 22 and the hanging members 97 and 85b.
The present invention according to claim 3 is characterized in that, in the outer wall material upper end ventilation device according to claim 2, the ventilation passage depth dimension between the ventilation member side ventilation passage D and the parting edge side ventilation passage C is different. do.
According to the fourth aspect of the present invention, in the outer wall material upper end ventilation device according to any one of claims 1 to 3, the ventilation member 20 has a ventilation member rear surface plate 24 forming the ventilation passage A. The ventilation member front plate 22 is located in front of the outer wall materials 99 and 84, and the ventilation member rear surface plate 24 is located behind the outer wall materials 99 and 84.
According to the fifth aspect of the present invention, in the outer wall material upper end ventilation device according to the fourth aspect, an internal waterproof wall 25 is provided in the ventilation passage A, and the internal waterproof wall 25 is provided after the ventilation member top plate 23. The ventilation member rear surface plate 24 is raised from the rear end of the ventilation member bottom plate 21 by hanging from the end, and the air flowing into the ventilation passage A from the ventilation hole 27 is the ventilation member front plate 22 and the inside. The flow is directed downward in A1 between the waterproof wall 25 and upward in A2 between the internal waterproof wall 25 and the rear surface plate 24 of the ventilation member.
According to a sixth aspect of the present invention, in the outer wall material upper end ventilation device according to the fifth aspect, the front end of the ventilation member bottom plate 21 is projected forward from the front end of the parting edge upper surface plate 11. It is a feature.
According to the seventh aspect of the present invention, in the outer wall material upper end ventilation device according to the fourth aspect, the ventilation passage A is provided with an internal waterproof wall 25 raised from the rear end of the ventilation member bottom plate 21. The upper end of the internal waterproof wall 25 is closer to the ventilation member front plate 22 than the lower end of the internal waterproof wall 25.

According to the outer wall material upper end ventilation device of the present invention, the first waterproof packing is used for waterproofing between the parting edge upper surface plate and the ventilation member bottom plate, and the second waterproof packing is used for the front surface of the parting edge rear surface plate and the outer wall material. Since waterproofing is performed between the sidings, waterproof performance can be ensured between the upper end of the outer wall material and the ventilation member, and rainwater rising along the outer wall material is guided to the drainage space and falls along the front plate of the parting edge. Therefore, it is not guided to the front plate of the ventilation member and does not flow into the ventilation passage from the ventilation hole, so that the waterproof performance is excellent.

A cross-sectional view of the outer wall material upper end ventilator according to an embodiment of the present invention and a cross-sectional view showing a state in which the outer wall material upper end ventilator is installed on the back of an eaves of a building without an eaves ceiling. Enlarged sectional view of the main part of FIG. 1 (b) A cross-sectional view of the outer wall material upper end ventilator according to another embodiment of the present invention and a cross-sectional view showing a state in which the outer wall material upper end ventilator is installed on a parapet used as an outer wall of a building or a veranda. Enlarged sectional view of the main part of FIG. 3 (b)

The outer wall material upper end ventilation device according to the first embodiment of the present invention includes a parting edge covering the upper end of the outer wall material and a ventilation member arranged above the parting edge, and the parting edge has the upper end of the outer wall material. It consists of a parting edge upper surface plate that covers, a parting edge front plate that hangs down from the front end of the parting edge upper surface plate, and a parting edge rear surface plate that hangs down from the rear end of the parting edge upper surface plate. From the ventilation member bottom plate arranged facing the upper surface of the ventilation member, the ventilation member front plate raised from the front end of the ventilation member bottom plate, and the ventilation member top plate extending rearward from the upper end of the ventilation member front plate. A ventilation hole is formed in the front plate of the ventilation member, and a ventilation passage is formed behind the front plate of the ventilation member between the bottom plate of the ventilation member and the top plate of the ventilation member. It is provided with a first waterproof packing arranged between the face plate and a second waterproof packing arranged between the front surface of the parting edge rear face plate and the outer wall material, and the depth dimension of the parting edge upper surface plate is determined by the thickness of the outer wall material. It is made larger than that to form a drainage space between the front plate of the parting edge and the outer wall material. According to the present embodiment, the first waterproof packing is used for waterproofing between the top plate of the parting edge and the bottom plate of the ventilation member, and the second waterproof packing is used for waterproofing between the front surface of the rear surface plate of the parting edge and the outer wall material. Therefore, waterproof performance can be ensured between the upper end of the outer wall material and the ventilation member, and rainwater rising along the outer wall material is guided to the drainage space and falls along the siding edge front plate, so that ventilation is provided. It is not guided to the front plate of the member and does not flow into the ventilation passage from the ventilation hole, so it has excellent waterproof performance.

In the second embodiment of the present invention, in the outer wall material upper end ventilation device according to the first embodiment, a parting edge side ventilation path is formed between the parting edge front plate and the hanging member, and the ventilation member front plate. A ventilation member side ventilation path is formed between the hanging member and the hanging member. According to the present embodiment, the rainwater does not reach the ventilation hole unless the ventilation passage on the parting edge side and the ventilation passage on the ventilation member side are raised, so that it is difficult for rainwater to flow into the ventilation passage and the waterproof property is excellent.

In the third embodiment of the present invention, in the outer wall material upper end ventilation device according to the second embodiment, the ventilation passage depth dimensions of the ventilation member side ventilation passage and the parting edge side ventilation passage are different. According to the present embodiment, by making the depth dimension of the ventilation passage between the ventilation member side ventilation passage and the parting edge side ventilation passage different, turbulence is generated due to the change in the flow velocity of rainwater, and the rainwater flows into the ventilation passage. Hateful.

A fourth embodiment of the present invention is the outer wall material upper end ventilation device according to any one of the first to third embodiments, in which the ventilation member has a ventilation member rear surface plate forming a ventilation passage, and the ventilation member. The front plate is located in front of the outer wall material, and the rear surface plate of the ventilation member is located behind the outer wall material. According to the present embodiment, since the depth dimension of the ventilation passage can be increased, the rainwater flowing into the ventilation passage can be retained in the ventilation passage, and the rainwater does not enter the room.

In the fifth embodiment of the present invention, in the outer wall material upper end ventilation device according to the fourth embodiment, an internal waterproof wall is provided in the ventilation passage, and the internal waterproof wall is hung from the rear end of the ventilation member top plate. , The ventilation member rear surface plate is raised from the rear end of the ventilation member bottom plate, and the air flowing into the ventilation passage from the ventilation hole flows downward between the ventilation member front plate and the internal waterproof wall, and is internally waterproof. The flow is upward between the wall and the back plate of the ventilation member. According to the present embodiment, the rainwater does not enter the room because the flow is directed downward after the flow directed downward by the internal waterproof wall.

In the sixth embodiment of the present invention, in the outer wall material upper end ventilation device according to the fifth embodiment, the front end of the ventilation member bottom plate is projected forward from the front end of the parting edge upper surface plate. According to the present embodiment, the rainwater rising in the ventilation passage on the parting edge side can collide with the bottom plate of the ventilation member, and the rainwater is unlikely to flow into the ventilation passage.

According to the seventh embodiment of the present invention, in the outer wall material upper end ventilation device according to the fourth embodiment, the ventilation passage is provided with an internal waterproof wall raised from the rear end of the bottom plate of the ventilation member, and the internal waterproof wall is provided. The upper end of the ventilation member is closer to the front plate of the ventilation member than the lower end of the internal waterproof wall. According to this embodiment, it is possible to prevent rainwater flowing in from the ventilation holes from reaching the rear surface plate of the ventilation member.

Hereinafter, the outer wall material upper end ventilation device according to an embodiment of the present invention will be described.
FIG. 1 is a cross-sectional view of the outer wall material upper end ventilation device according to the present embodiment and a cross-sectional view showing a state in which the outer wall material upper end ventilation device is installed on the back of an eaves of a building without an eaves ceiling.
FIG. 1A shows a cross-sectional view of the outer wall material upper end ventilator, and FIG. 1B shows a cross-sectional view showing a state in which the outer wall material upper end ventilator is installed on the back of an eaves of a building without an eaves. ..

In the building shown in FIG. 1 (b), an eaves girder 92 is provided at the upper end of the pillar 91, and a rafter 93 is provided at an inclined upper portion of the eaves girder 92. A field board 95 is laid on the upper surface of the rafters 93. A fascia base 96 is provided on the end face of the rafter 93. A fascia (hanging member) 97 is arranged on the outdoor side surface of the fascia base 96. The pillar 91 is provided with an outer wall base 98. A ventilation furring strip 94 and an outer wall material 99 are arranged on the outdoor side surface of the outer wall base 98.
The outer wall material upper end ventilation device according to this embodiment is arranged above the outer wall material 99 of the building and inward from the fascia 97 arranged outside the outer wall material 99.

The outer wall material upper end ventilation device according to the present embodiment includes a parting edge 10 that covers the upper end of the outer wall material 99, and a ventilation member 20 that is arranged above the parting edge 10.
The siding edge 10 includes a siding edge upper surface plate 11 that covers the upper end of the outer wall material 99, a siding edge front plate 12 that hangs down from the front end of the siding edge upper surface plate 11, and a siding edge that hangs down from the rear end of the siding edge upper surface plate 11. It is composed of an edge rear surface plate 13. The vertical length of the parting edge rear surface plate 13 is longer than the vertical length of the parting edge front plate 12, and is preferably 1.5 to 3 times the vertical length of the parting edge front plate 12. The lower part of the parting edge front plate 12 is bent rearward to form a folded portion 12a, and the lower part of the parting edge rear surface plate 13 is bent forward to form a folded portion 13a.
The parting edge 10 is fixed to the ventilation furring strip 94 or the outer wall base 98 by the screw 41.

The ventilation member 20 includes a ventilation member bottom plate 21 arranged to face the upper surface of the parting edge upper surface plate 11, a ventilation member front plate 22 raised from the front end of the ventilation member bottom plate 21, and a ventilation member front plate 22. The ventilation member top plate 23 extending rearward from the upper end, the ventilation member rear surface plate 24 raised from the rear end of the ventilation member bottom plate 21, and the internal waterproof wall 25 hanging from the rear end of the ventilation member top plate 23. And the ventilation member front plate 26 leading to the nose cover 97.
A ventilation hole 27 is formed in the ventilation member front plate 22. The ventilation holes 27 are elongated holes whose height direction is longer than the width direction, and a plurality of ventilation holes 27 are formed in the width direction. The ventilation hole 27 is covered with the bridge material 27a. The bridge material 27a is formed by cutting and raising the ventilation holes 27. By covering the ventilation hole 27 with the bridge material 27a, the rainwater sprayed on the ventilation hole 27 can be blocked by the bridge material 27a.
A ventilation passage A is formed above the bottom plate 21 of the ventilation member, below the top plate 23 of the ventilation member, behind the front plate 22 of the ventilation member, and in front of the rear surface plate 24 of the ventilation member.
The internal waterproof wall 25 is provided in the ventilation passage A.
It is preferable to provide the screw hole 26a in the ventilation member front plate 26. By providing the screw hole 26a, the ventilation member front plate 26 can be attached to the fascia base 96 or the gable board base to which the gable board is attached by using the screw 42, and the workability is excellent.

The first waterproof packing 31 is arranged on the upper surface of the parting edge upper surface plate 11, and the second waterproof packing 32 is arranged on the front surface of the parting edge rear surface plate 13.
The first waterproof packing 31 and the second waterproof packing 32 are foamable rubber or resin materials, and EPDM rubber or thermoplastic elastomer having high waterproof performance and durability is preferable.
The first waterproof packing 31 and the second waterproof packing 32 are formed in a strip shape having the same length as the widthwise length of the parting edge 10, and are fixed to the parting edge 10 by an adhesive.
The first waterproof packing 31 is preferably arranged at the center of the parting edge upper surface plate 11 in the depth direction.
The second waterproof packing 32 is preferably arranged at a position below the lower end of the parting edge front plate 12.
At the time of construction shown in FIG. 1B, the first waterproof packing 31 is compressed between the parting edge upper surface plate 11 and the ventilation member bottom plate 21.
Further, the second waterproof packing 32 is compressed between the front surface of the parting edge rear surface plate 13 and the outer wall material 99 at the time of construction shown in FIG. 1 (b).

It is preferable to provide a folded-back portion 24a extending in the direction of the ventilation member front plate 22 at the upper end of the ventilation member rear surface plate 24. Even if there is rainwater that reaches the rear surface plate 24 of the ventilation member, the rainwater is folded back into the ventilation passage A by the folded-back portion 24a, so that the rainwater does not invade the back of the cabin.
Further, it is preferable to provide a drain hole 22a below the front plate 22 of the ventilation member. By providing the drain hole 22a, even if rainwater invades through the ventilation hole 27, the invading rainwater is discharged from the drain hole 22a in the ventilation passage A.

FIG. 2 is an enlarged cross-sectional view of a main part of FIG. 1 (b).
In the outer wall material upper end ventilation device according to the present embodiment, the depth dimension L1 of the parting edge upper surface plate 11 is made larger than the thickness L2 of the outer wall material 99, so that the drainage space is between the parting edge front plate 12 and the outer wall material 99. Forming B.
Further, in the outer wall material upper end ventilation device according to the present embodiment, the front end of the ventilation member bottom plate 21 is projected forward from the front end of the parting edge upper surface plate 11. Then, a parting edge side ventilation passage C is formed between the parting edge front plate 12 and the fascia 97, and a ventilation member side ventilation passage D is formed between the ventilation member front plate 22 and the fascia 97. To.
Therefore, the parting edge side ventilation path C has a larger ventilation path depth dimension than the ventilation member side ventilation path D, and the ventilation path depth dimension between the ventilation member side ventilation path D and the parting edge side ventilation path C is different.

According to this embodiment, the first waterproof packing 31 is used for waterproofing between the parting edge upper surface plate 11 and the ventilation member bottom plate 21, and the second waterproof packing 32 is used for the front surface of the parting edge rear surface plate 13 and the outer wall material 99. Since waterproofing is performed between the two, waterproof performance can be ensured between the upper end of the outer wall material 99 and the ventilation member 20, and rainwater rising along the outer wall material 99 is guided to the drainage space B and the front plate of the parting edge. Since it falls along the ventilation member 12, it is not guided to the ventilation member front plate 22 and does not flow into the ventilation passage A from the ventilation hole 27, so that the waterproof performance is excellent.

Further, according to the present embodiment, the rainwater does not reach the ventilation hole 27 unless the ventilation passage C on the parting edge side and the ventilation passage D on the ventilation member side are raised, so that it is difficult for rainwater to flow into the ventilation passage A and the waterproof property is excellent. ..
Further, according to this embodiment, by making the ventilation passage depth dimension of the ventilation member side ventilation passage D and the parting edge side ventilation passage C different, turbulence is generated because the flow velocity of rainwater changes, and the rainwater is a ventilation passage. It is difficult to flow into A.
Further, according to the present embodiment, the rainwater rising in the ventilation passage C on the parting edge side can collide with the ventilation member bottom plate 21, and the rainwater is unlikely to flow into the ventilation passage A.

In the outer wall material upper end ventilation device according to the present embodiment, the ventilation member front plate 22 is positioned in front of the outer wall material 99, and the ventilation member rear surface plate 24 is located behind the outer wall material 99.
Therefore, the depth dimension of the ventilation passage A can be increased, the rainwater flowing into the ventilation passage A can be retained in the ventilation passage A, and the rainwater does not enter the room.

Further, in the outer wall material upper end ventilation device according to the present embodiment, the internal waterproof wall 25 is hung from the rear end of the ventilation member top plate 23, and the ventilation member rear surface plate 24 is raised from the rear end of the ventilation member bottom plate 21. The air flowing into the ventilation passage A from the ventilation hole 27 flows downward between the ventilation member front plate 22 and the internal waterproof wall 25 in A1, and is between the internal waterproof wall 25 and the ventilation member rear surface plate 24. In A2, the flow is upward.
In this way, the rainwater does not enter the room because the internal waterproof wall 25 causes the flow to flow downward and then upward.
In the outer wall material upper end ventilation device according to the present embodiment, the outside air is supplied to the inside of the building from the ventilation member side ventilation passage D through the ventilation passage A.

FIG. 3 is a cross-sectional view of the outer wall material upper end ventilator according to another embodiment of the present invention and a cross-sectional view showing a state in which the outer wall material upper end ventilator is installed on a parapet used as an outer wall of a building or a veranda.
FIG. 3A is a cross-sectional view of the outer wall material upper end ventilator, and FIG. 3B is a cross-sectional view showing a state in which the outer wall material upper end ventilator is installed on a parapet used as an outer wall of a building or a veranda. Shows.

The building parapet 80 shown in FIG. 3B has an upper frame member 82 arranged on the upper part of the structural plywood 81, a ventilation furring strip 83 arranged on the outer surface of the structural plywood 81, and a ventilation furring strip 83. It has an outer wall material 84 arranged on the outer surface of the siding, and a cap tree 85 that covers the upper frame material 82 and the upper part of the outer wall material 84.
The cap tree 85 has a top surface portion 85a that covers the upper part of the upper frame member 82 and the outer wall material 84, and a hanging member 85b that hangs down from the top surface portion 85a and is arranged on the side of the outer wall material 84.
The outer wall material upper end ventilation device according to this embodiment is arranged above the outer wall material 84 of the building and inward from the hanging member 85b arranged outside the outer wall material 84.

The outer wall material upper end ventilation device according to the present embodiment includes a parting edge 10 that covers the upper end of the outer wall material 84, and a ventilation member 20 that is arranged above the parting edge 10.
The siding edge 10 includes a siding edge upper surface plate 11 that covers the upper end of the outer wall material 84, a siding edge front plate 12 that hangs down from the front end of the siding edge upper surface plate 11, and a siding edge that hangs down from the rear end of the siding edge upper surface plate 11. It is composed of an edge rear surface plate 13. The vertical length of the parting edge rear surface plate 13 is longer than the vertical length of the parting edge front plate 12, and is preferably 1.5 to 3 times the vertical length of the parting edge front plate 12. The lower part of the parting edge front plate 12 is bent rearward to form a folded portion 12a, and the lower part of the parting edge rear surface plate 13 is bent forward to form a folded portion 13a.

The ventilation member 20 includes a ventilation member bottom plate 21 arranged to face the upper surface of the parting edge upper surface plate 11, a ventilation member front plate 22 raised from the front end of the ventilation member bottom plate 21, and a ventilation member front plate 22. The ventilation member top plate 23 extending rearward from the upper end, the ventilation member rear surface plate 24 hanging from the rear end of the ventilation member top plate 23, and the internal waterproof wall 25 raised from the rear end of the ventilation member bottom plate 21. It consists of.
A ventilation hole 27 is formed in the ventilation member front plate 22. The ventilation holes 27 are elongated holes whose height direction is shorter than that in the width direction, and a plurality of ventilation holes 27 are formed in the width direction.
A ventilation passage A is formed above the bottom plate 21 of the ventilation member, below the top plate 23 of the ventilation member, behind the front plate 22 of the ventilation member, and in front of the rear surface plate 24 of the ventilation member.
The internal waterproof wall 25 is provided in the ventilation passage A.

The first waterproof packing 31 is arranged on the upper surface of the parting edge upper surface plate 11, and the second waterproof packing 32 is arranged on the front surface of the parting edge rear surface plate 13.
The first waterproof packing 31 and the second waterproof packing 32 are foamable rubber or resin materials, and EPDM rubber or thermoplastic elastomer having high waterproof performance and durability is preferable.
The first waterproof packing 31 and the second waterproof packing 32 are formed in a strip shape having the same length as the widthwise length of the parting edge 10, and are fixed to the parting edge 10 by an adhesive.
The first waterproof packing 31 is preferably arranged at the center of the parting edge upper surface plate 11 in the depth direction.
The second waterproof packing 32 is preferably arranged at a position below the lower end of the parting edge front plate 12.
At the time of construction shown in FIG. 3B, the first waterproof packing 31 is compressed between the parting edge upper surface plate 11 and the ventilation member bottom plate 21.
Further, the second waterproof packing 32 is compressed between the front surface of the parting edge rear surface plate 13 and the outer wall material 84 at the time of construction shown in FIG. 3 (b).

FIG. 4 is an enlarged cross-sectional view of a main part of FIG. 3 (b).
In the outer wall material upper end ventilation device according to the present embodiment, the depth dimension L1 of the parting edge upper surface plate 11 is made larger than the thickness L2 of the outer wall material 84, so that the drainage space is between the parting edge front plate 12 and the outer wall material 84. Forming B.
Further, in the outer wall material upper end ventilation device according to the present embodiment, the front end of the parting edge upper surface plate 11 is projected forward from the front end of the ventilation member bottom plate 21. Then, a parting edge side ventilation path C is formed between the parting edge front plate 12 and the hanging member 85b, and a ventilation member side ventilation path D is formed between the ventilation member front plate 22 and the hanging member 85b. To.
Therefore, the ventilation member side ventilation passage D has a larger ventilation passage depth dimension than the parting edge side ventilation passage C, and the ventilation passage depth dimension between the ventilation member side ventilation passage D and the parting edge side ventilation passage C is different.

According to this embodiment, the first waterproof packing 31 is used for waterproofing between the parting edge upper surface plate 11 and the ventilation member bottom plate 21, and the second waterproof packing 32 is used for the front surface of the parting edge rear surface plate 13 and the outer wall material 84. Since waterproofing is performed between the two, waterproof performance can be ensured between the upper end of the outer wall material 84 and the ventilation member 20, and rainwater rising along the outer wall material 84 is guided to the drainage space B and the front plate of the parting edge. Since it falls along the ventilation member 12, it is not guided to the ventilation member front plate 22 and does not flow into the ventilation passage A from the ventilation hole 27, so that the waterproof performance is excellent.

Further, according to the present embodiment, the rainwater does not reach the ventilation hole 27 unless the ventilation passage C on the parting edge side and the ventilation passage D on the ventilation member side are raised, so that it is difficult for rainwater to flow into the ventilation passage A and the waterproof property is excellent. ..
Further, according to the present embodiment, by making the ventilation path depth dimension of the ventilation member side ventilation path D and the parting edge side ventilation path C different, turbulence is generated because the flow velocity of rainwater changes, and the rainwater is a ventilation passage. It is difficult to flow into A.

In the outer wall material upper end ventilation device according to the present embodiment, the ventilation member front plate 22 is positioned in front of the outer wall material 84, and the ventilation member rear surface plate 24 is located behind the outer wall material 84.
Therefore, the depth dimension of the ventilation passage A can be increased, the rainwater flowing into the ventilation passage A can be retained in the ventilation passage A, and the rainwater does not enter the room.

Further, in the outer wall material upper end ventilation device according to the present embodiment, the upper end of the internal waterproof wall 25 is closer to the ventilation member front plate 22 than the lower end of the internal waterproof wall 25, and the rainwater flowing in from the ventilation hole 27 is after the ventilation member. It is possible to prevent the face plate 24 from being reached.
In the outer wall material upper end ventilation device according to the present embodiment, the air rising from the ventilation furring strip 83 passes through the ventilation passage A and is discharged from the ventilation hole 27.

The present invention is particularly suitable for a ventilation system used in a zero eaves building with a high risk of water leakage.

10 Parting edge 11 Parting edge top plate 12 Parting edge front plate 12a Folded part 13 Parting edge rear surface plate 13a Folding part 20 Ventilation member 21 Ventilation member bottom plate 22 Ventilation member front plate 22a Drain hole 23 Ventilation member Top plate 24 After ventilation member Face plate 24a Folded part 25 Internal waterproof wall 26 Ventilation member Front plate 26a Screw hole 27 Ventilation hole 27a Bridge material 31 First waterproof packing 32 Second waterproof packing 41 Screw 80 Parapet 81 Structural plywood 82 Upper frame material 83 Ventilation furring strip 84 Outer wall Material 85 Kasagi 85a Top surface 85b Hanging member 91 Pillar 92 Eaves girder 93 Hanging tree 94 Ventilation furring strip 95 Field board 96 Nose concealment base 97 Nose concealment (hanging member)
98 Outer wall base 99 Outer wall material A Ventilation passage B Drainage space C Parting edge side ventilation passage D Ventilation member side ventilation passage A1 between A2 between L1 Depth dimension L2 Thickness

Claims (7)

An outer wall material upper end ventilation device arranged above the outer wall material of a building and inward of a hanging member arranged outside the outer wall material.
A siding edge that covers the upper end of the outer wall material,
With a ventilation member located above the parting edge,
The parting edge is
A siding edge top plate that covers the upper end of the outer wall material,
The parting edge front plate hung from the front end of the parting edge top plate, and the parting edge front plate.
It consists of a parting edge rear surface plate hanging from the rear end of the parting edge upper surface plate.
The ventilation member is
The ventilation member bottom plate arranged to face the upper surface of the parting edge upper surface plate, and the ventilation member bottom plate.
The ventilation member front plate raised from the front end of the ventilation member bottom plate and
It consists of a ventilation member top plate extending rearward from the upper end of the ventilation member front plate.
Ventilation holes are formed in the front plate of the ventilation member.
A ventilation passage is formed behind the ventilation member front plate between the ventilation member bottom plate and the ventilation member top plate.
A first waterproof packing arranged between the parting edge upper surface plate and the ventilation member bottom plate,
A second waterproof packing arranged between the front surface of the parting edge rear surface plate and the outer wall material is provided.
An outer wall material upper end ventilation device characterized in that the depth dimension of the siding edge upper surface plate is made larger than the thickness of the outer wall material to form a drainage space between the siding edge front plate and the outer wall material. A parting edge side ventilation path is formed between the parting edge front plate and the hanging member.
The outer wall material upper end ventilation device according to claim 1, wherein a ventilation member side ventilation path is formed between the ventilation member front plate and the hanging member. The outer wall material upper end ventilation device according to claim 2, wherein the ventilation path depth dimension between the ventilation member side ventilation path and the parting edge side ventilation path is different. The ventilation member has a ventilation member rear surface plate forming the ventilation passage.
The ventilation member front plate is located in front of the outer wall material and is located in front of the outer wall material.
The outer wall material upper end ventilation device according to any one of claims 1 to 3, wherein the ventilation member rear surface plate is located behind the outer wall material. An internal waterproof wall is provided in the ventilation passage.
The internal waterproof wall is hung from the rear end of the ventilation member top plate.
The ventilation member rear surface plate is raised from the rear end of the ventilation member bottom plate,
The air flowing into the ventilation passage from the ventilation hole flows downward between the ventilation member front plate and the internal waterproof wall, and upwards between the internal waterproof wall and the ventilation member rear surface plate. The outer wall material upper end ventilation device according to claim 4, wherein the flow is directed toward the outer wall material. The outer wall material upper end ventilation device according to claim 5, wherein the front end of the ventilation member bottom plate is projected forward from the front end of the parting edge upper surface plate. The ventilation passage is provided with an internal waterproof wall raised from the rear end of the bottom plate of the ventilation member.
The outer wall material upper end ventilation device according to claim 4, wherein the upper end of the internal waterproof wall is closer to the front plate of the ventilation member than the lower end of the internal waterproof wall.

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