JP6218212B2 - Ventilation rain presser structure and ventilation rain presser - Google Patents

Description

  The present invention relates to a ventilation rain press structure and a ventilation rain presser that prevent rainwater from entering through a ventilation hole provided between an outer wall of a house and a roofing material.

  A rain retainer structure is known as a method for preventing water droplets such as rainwater and condensation from entering from the boundary between the outer wall of the house and the roofing material.

  This rain-holding structure is provided, for example, at the boundary between the wall 3 and the roofing material 2 of the house 1 shown in FIG. As shown in FIGS. 9 and 10, the wall portion 3 includes an outer wall 91 such as a plywood board, and a siding 92 that is located outside the outer wall 91 and receives wind and rain. Waterproof paper 94 is provided between the siding 92 and the outer wall 91. The roofing material 2 is provided so as to be inclined downward from the outer wall 91.

  The rain retainer structure 93 is provided at a position covering the upper portion of the boundary between the wall 3 of the house 1 and the roofing material 2 and has a function of preventing the ingress of water droplets such as rainwater and condensation. That is, when the siding 92 receives wind and rain, the rainwater travels on the siding 92 and drops onto the boundary between the outer wall 91 and the roofing material 2. The rain retainer structure 93 receives this rainwater and guides it onto the roofing material 2 to prevent rainwater from entering the house.

  Even when rainwater enters the inside of the siding 92 or when water droplets are generated due to condensation, it flows down between the waterproof paper 94 and the siding 92 shown in FIGS. , Guided onto the roofing material 2.

  In addition, the ventilation rain holding structure which added the function which ventilates a house to the rain holding structure mentioned above is also known similarly (for example, refer patent document 1 and 2). In this ventilation rain retainer structure, ventilation holes such as ventilation slits are formed at the boundary between the roof material and the outer wall. A ventilation channel that leads from the ventilation slit to the top surface of the roofing material is formed inside the ventilation rain retainer structure, thereby enabling ventilation in the house.

JP2013-032621A JP 2006-063725 A

  The above-described ventilation rain retainer structure and the ventilation rain retainer used in the ventilation rain retainer structure have the following problems. That is, when a window structure or the like is provided on the outer wall, there is a risk that rainwater or water droplets due to condensation may enter between the waterproof paper and the outer wall from between the outer wall and the window structure. This water droplet passes between the waterproof paper and the outer wall and enters the house through the ventilation slit. For this reason, there existed a problem which cannot fully waterproof the ventilation slit.

  Accordingly, an object of the present invention is to provide a ventilated rain presser structure that can prevent water droplets from entering a house from between a waterproof paper and an outer wall.

  In order to solve the above-described problems and achieve the object, the ventilation rain retainer structure of the present invention is configured as follows.

In a ventilation rain retainer structure provided in a ventilation hole between an outer wall of a house and a roof material, an attachment body that is liquid-tightly attached along the outer wall above the ventilation hole, and a lower end side of the attachment body is the roof A drainage member having a drainage body which is provided along the material and has a drainage body which covers the upper side of the ventilation hole, and is provided on the roofing material, and inside thereof, a communication channel which leads from the ventilation hole to the upper surface of the roofing material is formed. And a lower end portion provided along the upper surface of the ventilator, and the upper end portion is located above the drainage body and extends to the outer wall side. and flashing member, from the upper end of the first flashing member, and bent upward, and the flashing member with a second flashing member of the plate shape are formed along the outer wall, the upper side front Kigaiheki The lower end of the mounting body is opposite to the outer wall. Characterized in that it comprises a bonded waterproof paper.

In a ventilation rain presser that guides rainwater on its upper surface and guides water droplets on its inside, a ventilation body in which a passage is formed, and one end side thereof are attached to the upper part of the ventilation body, A plate-shaped first rain presser for guiding rainwater and a second rain presser formed by bending upward from the other end of the first rain presser and guiding the rainwater to the upper surface of the first rain presser A rain holding member having a body, and provided on a lower surface of the first rain pressing body along a boundary portion between the first rain pressing body and the second rain pressing body, and a lower surface of the first rain pressing body has a drainage body formed on a side, and a mounting member are al provided along a surface opposite to the upper surface side of the first flashing member of the second flashing member, the second flashing member The water droplets generated on the attachment body side of the second rain presser portion and the attachment body and between the first rain presser portion and the front Between the drainage body, characterized in that it comprises a drainage member for guiding the flow path.

  According to the present invention, water droplets can be prevented from entering the house from between the waterproof paper and the outer wall.

The perspective view which shows the house which has the ventilation rain-holding structure which concerns on the 1st Embodiment of this invention. The perspective view which fractures | ruptures and shows the ventilation rain holding structure partially. Sectional drawing which shows the ventilation rain-holding structure. The perspective view which shows the drainage member of the ventilation rain-holding structure. The perspective view which shows the ventilation rain holding structure which concerns on the 2nd Embodiment of this invention partially fractured | ruptured. Sectional drawing which shows the ventilation rain-holding structure. The perspective view which shows the ventilation rain holding structure which concerns on the 3rd Embodiment of this invention partially fractured | ruptured. Sectional drawing which shows the ventilation rain-holding structure. The perspective view which shows a general rain-holding structure partially fractured | ruptured. Sectional drawing which shows the rain pressure structure.

  FIG. 1 is a perspective view showing a house 1 in which a ventilation rain presser structure (ventilation rain presser) 10 is arranged, FIG. 2 is a perspective view showing a partially broken ventilation rain presser structure 10, and FIG. 3 is a ventilation rain presser structure 10. FIG. 4 is a perspective view showing the drainage member 20.

  As shown in FIG. 1, the house 1 has a two-story structure having a first floor part 1a and a second floor part 1b. The second floor portion 1b has a wall portion 3 formed vertically. The roof material 2 of the first floor portion 1a is provided so as to be inclined downward from the wall portion 3 of the second floor portion 1b. As shown in FIG. 3, a ventilation slit 9 for ventilating the inside of the house 1 is provided at the boundary 4 (4 a, 4 b) between the roof material 2 and the wall 3. The boundary portion 4 includes a boundary portion (between parallel walls) 4a formed perpendicular to the vertical direction of the slope of the roofing material 2 and a boundary portion (between flow walls) 4b formed along the vertical direction of the inclination of the roofing material 2 And have.

  As shown in FIG. 2, the wall portion 3 includes an outer wall 7 fixed to a column 6 that is a framework of the house 1, and a siding 8 fixed to the column 6 via the outer wall 7. The outer wall 7 includes, for example, a wooden plate material 7a such as a plywood, and a waterproof roofing 7b attached to the surface of the plate material 7a opposite to the column 6.

  The siding 8 is fixed to the column 6 via a trunk edge 8a, a waterproof paper 40, which will be described later, and an outer wall 7. The siding 8 has a function of receiving wind and rain and preventing the wind and rain from directly hitting the outer wall 7. As shown in FIG. 1, for example, a window structure 5 is provided on the wall 3, and a waterproof paper 40 described later extends to the window structure 5.

  As shown in FIG. 3, the ventilation rain presser structure 10 is provided at a position covering the ventilation slit 9 formed in the boundary portion 4. The ventilation rain retainer structure 10 is located above the ventilation slit 9, and is disposed between the drainage member 20 attached to the outer wall 7, the rain retainer member 30 provided on the roof material 2, and the outer wall 7 and the siding 8. And waterproof paper 40 provided along the outer wall 7.

  The drainage member 20 is formed, for example, by bending a metal plate. The drainage member 20 includes an attachment body 22 attached to the outer wall 7 and a drainage body 23 formed by bending the lower end side of the attachment body 22 toward the roof material 2 side.

  A waterproof tape 26 is attached to the upper end of the attachment body 22 along the outer wall 7 and the upper end of the attachment body 22. The waterproof tape 26 has a function of preventing water droplets traveling on the back surface of the waterproof paper 40 and the outer wall 7 from entering between the attachment body 22 and the outer wall 7. That is, the waterproof tape 26 forms a liquid-tight space between the attachment body 22 and the outer wall 7.

  The drainage body 23 is formed along the roof material 2 while covering the upper side of the ventilation slit 9. The lower end of the drainage body 23 is located inside a ventilation section (ventilation body) 31 to be described later.

  The rain presser member 30 includes a ventilation part 31 mounted on the roofing material 2, a first rain presser part (lower end part provided on the upper surface of the ventilation part 31, and the upper end part extending to the outer wall 7 side ( First rain presser body) 32 and a second rain presser part (second rain presser body) 33 extending upward from the upper end of first rain presser part 32 along outer wall 7.

  Inside the ventilation part 31, a flow path 34 that leads from the ventilation slit 9 to the roof material 2 is formed. The flow path 34 has a function that allows ventilation from the inside of the house 1 to the roof material 2.

  The first rain presser 32 extends from the upper surface of the ventilation part 31 to the outer wall 7 side. The first rain presser 32 is formed spaced above the drainage body 23. At the upper end of the first rain retainer 32, a second rain retainer 33 extending upward along the outer wall 7 is provided. The upper end of the second rain presser 33 is located between the siding 8 and the outer wall 7. Further, a lower end portion of the waterproof paper 40 provided along the outer wall 7 is attached to the surface of the second rain presser 33 on the siding 8 side. A waterproof double-sided tape 41 is used to attach the second rain retainer 33 and the waterproof paper 40. That is, the second rain retainer 33 and the waterproof paper 40 are formed in a liquid-tight manner.

  The ventilated rain presser structure 10 described above drains water droplets generated by wind and rain or condensation as follows.

  When weak wind and rain are generated, rainwater hits the siding 8 and drops onto the first rain presser 32 below the siding 8. The rainwater flows on the roof material 2 through the first rain presser 32.

  When strong wind and rain, for example, a strong wind blowing up the upper surface of the first rain presser 32 and the surface of the second rain presser 33 opposite to the outer wall 7, rainwater dripped onto the first rain presser 32 Is blown by the wind and crawls up the upper surface of the first rain retainer 32 and the surface of the second rain retainer 33 opposite to the outer wall 7. However, the surface of the second rain presser 33 on the siding 8 side and the lower end of the waterproof paper 40 are sealed in a liquid-tight manner by the waterproof double-sided tape 41. For this reason, even when rainwater enters the outer wall 7 side of the siding 8, it does not enter between the waterproof paper 40 and the outer wall 7. The rainwater that has entered between the siding 8 and the outer wall 7 flows on the roof material 2 again through the surface opposite to the outer wall 7 of the second rain retainer 33 and the first rain retainer 32. Therefore, rainwater does not pass through the ventilation slit 9 and does not enter the house 1.

  When condensation occurs between the siding 8 and the waterproof paper 40, water droplets generated by the condensation flow downward between the waterproof paper 40 and the siding 8 and drop onto the upper surface of the first rain presser 32. When the strong wind and rain described later are not generated, the water droplets dropped on the upper surface of the first rain presser 32 pass through the first rain presser 32 and are guided onto the roof material 2.

  When the strong wind which blows up the upper surface of the 1st rain pressure part 32 and the surface on the opposite side to the outer wall 7 of the 2nd rain pressure part 33 has generate | occur | produced, it is blown by this wind and the 1st rain pressure member 32 The water drops dropped on the upper surface of the siding again enter the outer wall 7 side of the siding 8. However, since the surface of the second rain presser 33 on the siding 8 side and the lower end of the waterproof paper 40 are sealed in a liquid-tight manner by the waterproof double-sided tape 41, the second rain presser 33 enters between the waterproof paper 40 and the outer wall 7. There is no entry into the house 1.

  Water droplets that have entered the side of the outer wall 7 of the siding 8 drop on the first rain presser 32 and flow onto the roofing material 2. For this reason, even if water droplets due to condensation occur between the siding 8 and the waterproof paper 40, the water droplets do not pass through the ventilation slit 9 and do not enter the house 1.

  When water droplets are formed between the waterproof paper 40 and the outer wall 7 due to condensation, or from the position where the roof material 2 and the outer wall 7 are connected, the position where the window structure 5 is provided, or the like, the waterproof paper 40 and the outer wall 7 are provided. When rainwater or the like enters between the two, water droplets due to condensation or rainwater flow down between the waterproof paper 40 and the outer wall 7.

  Water droplets between the waterproof paper 40 and the outer wall 7 flow down toward the second rain presser 33 to which the lower end of the waterproof paper 40 is attached. At this time, since the space between the second rain presser 33 and the waterproof paper 40 is formed in a liquid-tight manner, water drops are transmitted between the second rain presser 33 and the outer wall 7 and flow down toward the attachment body 22. .

  Since the attachment body 22 and the outer wall 7 are liquid-tightly formed by the waterproof tape 26, the water droplets flow on the drainage body 23 through the surface of the attachment body 22 opposite to the outer wall 7. The drainage body 23 covers the upper side of the ventilation slit 9 and its lower end is located inside the ventilation part 31. For this reason, the water droplets flow on the upper surface of the drainage body 22, pass through the inside of the ventilation portion 31, and are guided onto the roof material 2.

  Therefore, water droplets generated between the waterproof paper 40 and the outer wall 7 do not pass through the ventilation slit 9 and do not enter the house.

  As described above, according to the ventilation and rain retaining structure 10 according to the first embodiment of the present invention, when condensation occurs between the outer wall 7 and the waterproof paper 40, the window structure 5 and the outer wall 7 Even when rainwater enters from the boundary, it is possible to guide water droplets onto the roofing material 2 by providing the drainage member 20. For this reason, it is possible to prevent this water droplet from entering the house 1 through the ventilation slit 9.

  As described above, according to the present invention, it is possible to prevent water droplets from entering the house from between the waterproof paper and the outer wall.

  FIG. 5 is a perspective view showing a partially broken ventilation rain retainer structure 10A according to the second embodiment of the present invention, and FIG. 6 is a cross-sectional view showing the ventilation rain retainer structure 10A. 5 and 6, the same functional parts as those in FIGS. 2 to 4 are denoted by the same reference numerals, and detailed description thereof is omitted.

  The ventilation rain retainer structure 10 </ b> A is located above the ventilation slit 9, and is disposed between the drainage member 50 attached to the outer wall 7, the rain retainer member 30 provided on the roof material 2, and the outer wall 7 and the siding 8. And waterproof paper 40 provided along the outer wall 7. That is, the ventilation rain retainer structure 10 </ b> A is provided with a drainage member 50 instead of the drainage member 20 in the above-described ventilation rain retainer structure 10.

  The drainage member 50 has the attachment body 22 and the drainage body 23 similarly to the drainage member 20 mentioned above. The drainage member 50 further has a drainage channel forming part (drainage channel forming body) 53 at the top of the drainage body 23. The drainage channel forming portion 53 includes a base plate 54 disposed on the upper surface of the drainage body 23, a partition plate 55 formed on the base plate 54 along a direction away from the outer wall 7 side, and a partition plate 55. The top plate 56 is formed. The top plate 56, the base plate 54, and the partition plate 55 form a drainage channel 57 that guides water droplets inside the drainage channel forming unit 53.

  The ventilation rain retainer structure 10 </ b> A formed in this way can drain water droplets generated by wind and rain or condensation in the same manner as the ventilation rain retainer structure 10 described above. Furthermore, it is possible to reliably guide water droplets transmitted from the outer wall 7 onto the roof material 2 by the drainage channel forming portion 53. Further, the drainage channel forming portion 53 supports the rain pressing member 30 from below by the partition plate 55. For this reason, it is also possible to increase the strength of the ventilation rain retainer structure 10A.

  As described above, according to the ventilation rain retainer structure 10 </ b> A according to the second embodiment of the present invention, it is possible to obtain the same effect as the ventilation rain retainer structure 10 described above. Further, the drainage channel forming portion 53 can secure a space between the drainage body 23 and the first rain presser portion 32 and can increase the strength of the ventilation rain presser structure 10A. Further, it is possible to reliably guide water droplets transmitted from the outer wall 7 onto the roof material 2 by the drainage channel 57.

  As described above, according to the present invention, water droplets can be prevented from entering the house from between the waterproof paper and the outer wall.

  FIG. 7 is a perspective view showing a partially broken ventilation rain retainer structure 10B according to the third embodiment of the present invention, and FIG. 8 is a cross-sectional view showing the ventilation rain retainer structure 10B. 7 and 8, the same functional parts as those in FIGS. 2 to 6 are denoted by the same reference numerals, and detailed description thereof is omitted. In the ventilation rain presser structure 10B, the drainage channel 57 of the drainage member 50 is extended along a ventilation member 70 and a headboard 80, which will be described later, as shown in FIGS.

  The ventilation rain retainer structure 10 </ b> B is positioned above the ventilation slit 9, the drainage member 50 attached to the outer wall 7, the ventilation member 70 provided between the drainage member 50 and the roofing material 2, and the drainage member 50. And the rain presser member 60 provided on the upper surface of the headboard 80.

  The rain presser member 60 has a first rain presser portion 61 having a lower portion provided on the upper surface of the headboard 80 and a second rain presser portion 62 extending upward from the upper end of the first rain presser portion 61. Yes. Similar to the second rain retainer 33 described above, the second rain retainer 62 is provided between the waterproof paper 40 and the outer wall 7, and is bonded to the lower end of the waterproof paper 40 with the waterproof double-sided tape 41. As shown in FIGS. 7 and 8, the first rain presser 61 is bent along the headboard 80 and fixed to the headboard 80 with a nail material K.

  The cross-sectional shape of the ventilation member 70 is, for example, a honeycomb structure having a plurality of ventilation paths 71. The ventilation path 71 communicates from the ventilation slit 9 to above the roofing material 2.

  Ventilation rain presser structure 10B formed in this way can drain water droplets generated by wind and rain or dew condensation in the same manner as ventilated rain presser structure 10 and ventilated rain presser structure 10A described above. The ventilation member 70 can also ventilate the house 1 to the roof material 2.

  As described above, according to the ventilation rain retainer structure 10B according to the third embodiment of the present invention, it is possible to obtain the same effect as the ventilation rain retainer structure 10A described above.

  As described above, according to the present invention, it is possible to prevent condensation from entering the house from between the waterproof paper and the outer wall.

  The present invention is not limited to the above embodiment. For example, the present invention can be similarly applied to a case where sufficient rigidity is added to the rain retainer member and no head board is used. Moreover, in the example mentioned above, although the drainage member formed with the metal plate is used, even if this is a product made of resin or it is a sheet form, it can apply similarly. In the above-described example, the drainage body of the drainage member is separated from the rain retainer member to allow drainage, but the drainage body and the rain retainer member are not separated from each other, and a method for providing a drainage to the drainage body is provided. But it is equally applicable.

Furthermore, in the above-described embodiment, siding is used for the wall portion of the house, but it is needless to say that the present invention can be similarly applied even if this is a mortar or a plate-attached structure. Of course, various modifications can be made without departing from the scope of the present invention . Hereinafter, the invention described in the scope of claims of the present application will be appended.
[1] In a ventilation rain retainer structure provided in a ventilation hole between an outer wall of a house and a roof material, an attachment body that is liquid-tightly attached along the outer wall above the ventilation hole, and a lower end of the attachment body A drainage member having a drainage body provided on the roofing material and having a drainage body covering an upper side of the ventilation hole, and provided on the roofing material, and in the interior thereof, communicates from the ventilation hole to the roofing material upper surface. A ventilation body in which a flow path is formed, and is formed in a plate shape, and a lower end portion thereof is provided along the upper surface of the ventilation body, and an upper end portion thereof is located above the drainage body and extends to the outer wall side. The first rain presser body, a rain presser member having a plate-like second rain presser body bent along the outer wall from the upper end of the first rain presser body, and the upper end side of the rain presser member The lower end is provided along the outer wall while being fixed to the outer wall. Ventilation flashing structure and a waterproofing sheet located opposite but the outer wall of the mounting member.
[2] On the upper surface of the drainage body, a base plate disposed on the drainage body, a partition plate formed on the base plate along a direction away from the outer wall side, and the partition plate The ventilation rain retainer structure according to [1], wherein a drainage channel forming body having a formed top plate is provided.
[3] A ventilation member provided between the drainage body and the roof material, provided along the drainage body, supporting the drainage body, and having an air passage leading from the ventilation hole to the roof material. The ventilation rain retainer structure according to [1] provided.
[4] The ventilation rain retainer structure according to [2], further comprising a headboard formed along the top plate between the top plate and the first rain retainer.
[5] In a ventilated rain presser that guides rainwater on its upper surface and guides water droplets inside it, a ventilator having a passage formed therein, and one end of the ventilator are attached to the upper part of the ventilator, A plate-shaped first rain presser that guides the rainwater on the upper surface, a first rain presser that is bent upward from the other end of the first rainpresser, and that guides the rainwater to the upper surface of the first rain presser. A rain holding member having two rain pressers, and provided on a lower surface of the first rain presser body along a boundary portion between the first rain presser body and the second rain presser body, and the first rain presser A drainage body formed on the lower surface side of the body, and an attachment body provided along the surface of the second rain retainer body opposite to the upper surface side of the first rain retainer body and used for attachment to the outside The water droplets generated on the mounting body side of the second rain presser body are connected to the second rain presser portion and the mounting body. And, between the drain body and the first flashing portion, ventilation flashing, characterized in that it comprises a drainage member for guiding the flow path.
[6] Between the drainage body and the first rain retainer body, a base plate disposed on the top surface of the drainage body, a partition plate provided on the top surface of the base plate, and an upper portion of the partition plate The ventilation rain presser according to [5], further comprising a drainage channel forming body provided on the first rain presser body and having a top plate attached to the first rain presser body.
[7] The ventilation rain retainer according to [5], wherein a ventilation member having a ventilation path is provided on a lower surface side of the drainage body.
[8] The ventilation rain retainer according to [6], wherein a headboard formed along the top plate is provided between the top plate and the first rain retainer.

  DESCRIPTION OF SYMBOLS 1 ... House, 2 ... Roofing material, 3 ... Wall part, 4 ... Boundary part, 7, 91 ... Outer wall, 9 ... Ventilation slit, 10, 10A, 10B ... Rain holding structure, 20, 50 ... Drainage member, 22 ... Installation Body, 23 ... drainage body, 26 ... waterproof tape, 30, 60 ... rain retainer member, 31 ... ventilation section, 32, 61 ... first rain retainer section, 33, 62 ... second rain retainer section, 34 ... flow path , 40, 94 ... waterproof paper, 41 ... waterproof double-sided tape, 53 ... drainage channel forming part, 54 ... base plate, 55 ... partition plate, 56 ... top plate, 57 ... drainage channel, 70 ... ventilation member, 71 ... ventilation channel , 80 ... Kasagi.

Claims (8)

In the ventilation rain retainer structure provided in the ventilation hole between the outer wall of the house and the roofing material,
A drainage member having a drainage body that is liquid-tightly attached along the outer wall above the ventilation hole, and a drainage body that has a lower end side of the attachment body provided along the roof material and covers the ventilation hole. When,
It is provided on the roof material, and in the inside thereof, a ventilation body in which a flow path leading from the ventilation hole to the roof material upper surface is formed, and a plate-like shape, and a lower end portion thereof extends along the upper surface of the ventilation material. And the upper end portion of the outer wall is located above the drainage body, and is bent upward from the upper end of the first rain presser body extending to the outer wall side and the first rain presser body. A rain retainer member having a plate-shaped second rain retainer formed along
Upper side is provided along the front Kigaiheki, ventilation flashing structure characterized in that its lower end and a waterproof paper and the outer wall of the mounting member on the opposite side.   On the upper surface of the drainage body, a base plate disposed on the drainage body, a partition plate formed on the base plate along a direction away from the outer wall side, and formed on the partition plate The ventilated rain presser structure according to claim 1, wherein a drainage channel forming body having a top plate is provided.   Between the drainage body and the roof material, provided with a ventilation member provided along the drainage body, supporting the drainage body, and having a ventilation path leading from the ventilation hole to the roof material. The ventilated rain presser structure according to claim 1, characterized in that:   The ventilation rain retainer structure according to claim 2, further comprising a headboard formed along the top plate between the top plate and the first rain retainer. In the ventilation rain presser that guides rainwater on its upper surface and guides water droplets inside it,
A ventilator having a flow passage formed therein, one end of the ventilator attached to the upper part of the ventilator, and a plate-shaped first rain presser that guides the rainwater on its upper surface, and the first rain presser A rain presser member that is bent upward from the other end of the first rain presser and has a second rain presser that guides the rainwater on an upper surface of the first rain presser,
A drainage body provided on the lower surface of the first rain presser body along the boundary between the first rain presser body and the second rainpresser body, and formed on the lower surface side of the first rain presser body; the water drops from the upper surface side of the first flashing member of the second flashing member and an attachment member is al provided along the opposite side, generated in the mounting side of the second flashing member And a drainage member that guides the flow path between the second rain retainer and the attachment body and between the first rain retainer and the drainage body. Ventilation rain presser.   Between the drainage body and the first rain presser body, a base plate disposed on an upper surface of the drainage body, a partition plate provided on the upper surface of the base plate, and an upper portion of the partition plate are provided. The ventilation rain presser according to claim 5, further comprising a drainage channel forming body having a top plate attached to the first rain presser body.   The ventilation rain presser according to claim 5, wherein a ventilation member having a ventilation path is provided on a lower surface side of the drainage body.   The ventilation rain retainer according to claim 6, further comprising a headboard formed along the top plate between the top plate and the first rain retainer.

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