JP2021092108A - Fitting structure of exterior material, and exterior material - Google Patents

Fitting structure of exterior material, and exterior material Download PDF

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Publication number
JP2021092108A
JP2021092108A JP2019224388A JP2019224388A JP2021092108A JP 2021092108 A JP2021092108 A JP 2021092108A JP 2019224388 A JP2019224388 A JP 2019224388A JP 2019224388 A JP2019224388 A JP 2019224388A JP 2021092108 A JP2021092108 A JP 2021092108A
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plate portion
exterior material
folded
side end
bottom plate
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正城 川上
Masaki Kawakami
正城 川上
川上　進
Susumu Kawakami
進 川上
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KAWAKAMI BANKIN KOGYOSHO KK
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KAWAKAMI BANKIN KOGYOSHO KK
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Abstract

To provide a fitting structure of an exterior material and an exterior material which can prevent intrusion of rainwater due to a capillary phenomenon and make the structure therefor inconspicuous.SOLUTION: A fitting structure of an exterior material 1 includes a first exterior material 1a including a first side end 2 and having a waveform, a second exterior material 1b including a second side end 3 overlapping a back side of the first side end 2 and having a waveform, and a fixture 5 that penetrates through the first side end 2 and the second side end 3 and fixes the exterior materials to a wall substrate 4. The first side end 2 has a flat plate part 6 to which the fixture 5 is inserted, and a folded part 7 folded to a back side of the flat plate part 6 from the side edge of the flat plate part 6. The second side end 3 has a bottom plate part 8 in contact with the wall substrate 4, and a projection plate part 9 projecting to the surface side from the side edge of the bottom plate part 8. The projection plate part 9 is brought into contact with a rear face of the flat plate part 6, and thereby forms a space S where the folded part 7 is partially settled between the flat plate part 6 and the bottom plate part 8.SELECTED DRAWING: Figure 1

Description

本開示は、外装材の取付構造、及び外装材に関する。 The present disclosure relates to an exterior material mounting structure and an exterior material.

特許文献１には、幅方向に沿った断面が略波形の外装用折板を、複数枚、縁部同士が一定の幅で重ね合わさるように設け、この重ね合わさった部分をタッピングビスで、外壁の下地をなす胴縁に固定した構造が記載されている。 In Patent Document 1, a plurality of exterior folded plates having a substantially corrugated cross section along the width direction are provided so that the edges are overlapped with each other with a constant width, and the overlapped portion is provided with a tapping screw to form an outer wall. The structure fixed to the furring strip that forms the base of the above is described.

この構造では、外装用折板の縁端には、表側に隆起する断面略山形の折り上げ部が形成されており、折り上げ部の内側の空隙が、毛細管現象による雨水の浸入を防止している。 In this structure, a folded-up portion having a substantially chevron-shaped cross section is formed at the edge of the folded plate for exterior use, and the void inside the folded-up portion prevents rainwater from entering due to the capillary phenomenon. There is.

特開平１１−２９３８９２号公報Japanese Unexamined Patent Publication No. 11-293892

特許文献１に記載の構造では、折り上げ部によって毛細管現象による雨水の浸入を防止できるものの、外装用折板を表側から見たときに、外装用折板の終端、つまり折り上げ部が表側に突出していて目立つといった問題があった。 In the structure described in Patent Document 1, the folded-up portion can prevent rainwater from entering due to the capillary phenomenon, but when the exterior folded plate is viewed from the front side, the end of the exterior folded plate, that is, the folded-up portion is on the front side. There was a problem that it was prominent and conspicuous.

上記事情に鑑みて、本開示は、毛細管現象による雨水の浸入を抑制でき、かつそのための構造が目立ちにくい外装材の取付構造及び外装材を提供することを、目的とする。 In view of the above circumstances, it is an object of the present disclosure to provide an exterior material mounting structure and an exterior material that can suppress the infiltration of rainwater due to the capillary phenomenon and the structure for that purpose is inconspicuous.

本開示に係る一態様の外装材の取付構造は、第一側端部を有する波形の第一外装材と、前記第一側端部の裏側に重なる第二側端部を有する波形の第二外装材と、前記第一側端部及び前記第二側端部を貫通して壁下地に固定する固定具と、を備える。前記第一側端部は、前記固定具が挿通される平板部と、前記平板部の側端縁から前記平板部の裏側に折り返された折り返し部と、を有する。前記第二側端部は、前記壁下地に接する底板部と、前記底板部の側端縁から表側に突出した突出板部と、を有する。前記突出板部は、前記平板部の裏面に当たることで、前記平板部と前記底板部との間に、前記折り返し部が一部に収まる空隙を形成するように構成されている。 One aspect of the mounting structure of the exterior material according to the present disclosure is a corrugated first exterior material having a first side end portion and a corrugated first exterior material having a second side end portion overlapping the back side of the first side end portion. It includes an exterior material and a fixture that penetrates the first side end portion and the second side end portion and fixes it to the wall base. The first side end portion has a flat plate portion through which the fixture is inserted, and a folded portion folded back from the side end edge of the flat plate portion to the back side of the flat plate portion. The second side end portion has a bottom plate portion in contact with the wall base and a protruding plate portion protruding from the side edge of the bottom plate portion to the front side. By hitting the back surface of the flat plate portion, the protruding plate portion is configured to form a gap between the flat plate portion and the bottom plate portion so that the folded-back portion can be partially accommodated.

また、本開示に係る一態様の外装材は、第一側端部とその反対側に位置する第二側端部とを備える波形の外装材である。前記第一側端部は、平板部と、前記平板部の側端縁から前記平板部の裏側に折り返された折り返し部と、を有する。前記第二側端部は、底板部と、前記底板部の側端縁から表側に突出した突出板部と、を有する。前記底板部と前記突出板部の、前記外装材の表裏方向に対して直交する一方向における合計長さが、前記折り返し部の前記一方向における長さよりも長く、かつ前記平板部の前記一方向における長さよりも短い。 Further, the exterior material of one aspect according to the present disclosure is a corrugated exterior material including a first side end portion and a second side end portion located on the opposite side thereof. The first side end portion has a flat plate portion and a folded portion folded back from the side end edge of the flat plate portion to the back side of the flat plate portion. The second side end portion has a bottom plate portion and a protruding plate portion protruding from the side edge of the bottom plate portion to the front side. The total length of the bottom plate portion and the protruding plate portion in one direction orthogonal to the front and back directions of the exterior material is longer than the length of the folded portion in the one direction, and the flat plate portion is in the one direction. Shorter than the length in.

本開示に係る一態様の外装材の取付構造及び外装材は、毛細管現象による雨水の浸入を抑制でき、かつそのための構造が目立ちにくい。 One aspect of the exterior material mounting structure and exterior material according to the present disclosure can suppress the intrusion of rainwater due to the capillary phenomenon, and the structure for that purpose is inconspicuous.

図１Ａは、本開示に係る一実施形態の外装材の取付構造を示す平面図であり、図１Ｂは、図１ＡのＡ部分を示す平面図である。FIG. 1A is a plan view showing a mounting structure of an exterior material according to an embodiment of the present disclosure, and FIG. 1B is a plan view showing a portion A of FIG. 1A. 図２Ａは、同上の外装材を示す平面図であり、図２Ｂは、図２ＡのＢ部分を示す平面図であり、図２Ｃは、図２ＡのＣ部分を示す平面図である。2A is a plan view showing the same exterior material, FIG. 2B is a plan view showing a portion B of FIG. 2A, and FIG. 2C is a plan view showing a portion C of FIG. 2A.

１．概要
図１Ａ，Ｂに示すように、一実施形態の外装材１の取付構造（以下「取付構造」と記載する）は、第一側端部２を有する波形の第一外装材１ａと、第一側端部２の裏側に重なる第二側端部３を有する波形の第二外装材１ｂと、第一側端部２及び第二側端部３を貫通して壁下地４に固定する固定具５と、を備える。第一側端部２は、固定具５が挿通される平板部６と、平板部６の側端縁から平板部６の裏側に折り返された折り返し部７と、を有する。第二側端部３は、壁下地４に接する底板部８と、底板部８の側端縁から表側に突出した突出板部９と、を有する。突出板部９は、平板部６の裏面に当たることで、平板部６と底板部８との間に、折り返し部７が一部に収まる空隙Ｓ１を形成するように構成されている。 1. 1. Overview As shown in FIGS. 1A and 1B, the mounting structure of the exterior material 1 of one embodiment (hereinafter referred to as “mounting structure”) includes a corrugated first exterior material 1a having a first side end portion 2 and a first exterior material 1a. A corrugated second exterior material 1b having a second side end 3 that overlaps the back side of the one side end 2, and a fixing that penetrates the first side end 2 and the second side end 3 and is fixed to the wall base 4. The tool 5 is provided. The first side end portion 2 has a flat plate portion 6 through which the fixture 5 is inserted, and a folded portion 7 folded back from the side end edge of the flat plate portion 6 to the back side of the flat plate portion 6. The second side end portion 3 has a bottom plate portion 8 in contact with the wall base 4, and a protruding plate portion 9 protruding from the side edge of the bottom plate portion 8 to the front side. The protruding plate portion 9 is configured to hit the back surface of the flat plate portion 6 to form a gap S1 in which the folded-back portion 7 is partially accommodated between the flat plate portion 6 and the bottom plate portion 8.

上記構成を備える一実施形態の取付構造では、突出板部９が平板部６の裏面に当たることで平板部６と底板部８との間に空隙Ｓ１を形成することができ、この空隙Ｓ１の一部に折り返し部７を収容することで、空隙Ｓ１への雨水の浸入を折り返し部７によって抑制することができる。そのため、一実施形態の取付構造では、折り返し部７及び空隙Ｓ１によって毛細管現象による雨水の浸入を防止することができるうえ、そのための構成（折り返し部７及び突出板部９）が露出せず目立ちにくい。 In the mounting structure of one embodiment having the above configuration, the protrusion plate portion 9 hits the back surface of the flat plate portion 6 to form a gap S1 between the flat plate portion 6 and the bottom plate portion 8, and one of the gaps S1. By accommodating the folded-back portion 7 in the portion, the intrusion of rainwater into the gap S1 can be suppressed by the folded-back portion 7. Therefore, in the mounting structure of one embodiment, the folded-back portion 7 and the gap S1 can prevent rainwater from entering due to the capillary phenomenon, and the configuration for that purpose (folded-back portion 7 and protruding plate portion 9) is not exposed and is inconspicuous. ..

また、図２Ａ〜Ｃに示す一実施形態の外装材１は、第一側端部２とその反対側に位置する第二側端部３とを備える波形の外装材１である。第一側端部２は、平板部６と、平板部６の側端縁から平板部６の裏側に折り返された折り返し部７と、を有する。第二側端部３は、底板部８と、底板部８の側端縁から表側に突出した突出板部９と、を有する。底板部８と突出板部９の、外装材１の表裏方向（厚み方向）に対して直交する一方向における合計長さＬ１が、折り返し部７の前記一方向における長さＬ２よりも長く、かつ平板部６の前記一方向における長さＬ３よりも短い。 Further, the exterior material 1 of one embodiment shown in FIGS. 2A to 2C is a corrugated exterior material 1 including a first side end portion 2 and a second side end portion 3 located on the opposite side thereof. The first side end portion 2 has a flat plate portion 6 and a folded-back portion 7 folded back from the side end edge of the flat plate portion 6 to the back side of the flat plate portion 6. The second side end portion 3 has a bottom plate portion 8 and a protruding plate portion 9 projecting from the side end edge of the bottom plate portion 8 to the front side. The total length L1 of the bottom plate portion 8 and the protruding plate portion 9 in one direction orthogonal to the front-back direction (thickness direction) of the exterior material 1 is longer than the length L2 of the folded-back portion 7 in the one direction. The length of the flat plate portion 6 in one direction is shorter than the length L3.

上記構成を備える一実施形態の外装材１では、二枚の外装材１を側端部２，３同士が重なり合うように配置した状態において、突出板部９を平板部６に当てて、平板部６と底板部８との間に空隙Ｓ１を形成することができ、この空隙Ｓ１の一部に折り返し部７を収容することができて、空隙Ｓ１への雨水の浸入を折り返し部７によって抑制することができる。そのため、一実施形態の外装材１では、二枚の外装材１を側端部２，３同士が重なり合うように配置した状態において、折り返し部７及び空隙Ｓ１によって毛細管現象による雨水の浸入を防止することができるうえ、そのための構成（折り返し部７及び突出板部９）が露出せず目立ちにくい。 In the exterior material 1 of one embodiment having the above configuration, the protruding plate portion 9 is applied to the flat plate portion 6 in a state where the two exterior materials 1 are arranged so that the side end portions 2 and 3 overlap each other, and the flat plate portion is provided. A gap S1 can be formed between the gap S1 and the bottom plate portion 8, and the folded-back portion 7 can be accommodated in a part of the gap S1, and the intrusion of rainwater into the gap S1 is suppressed by the folded-back portion 7. be able to. Therefore, in the exterior material 1 of one embodiment, in a state where the two exterior materials 1 are arranged so that the side end portions 2 and 3 overlap each other, the folded portion 7 and the gap S1 prevent rainwater from entering due to the capillary phenomenon. In addition, the configuration for that purpose (folded portion 7 and protruding plate portion 9) is not exposed and is inconspicuous.

２．詳細
続いて、図１Ａ、Ｂ及び図２Ａ〜Ｃに示す外装材１の取付構造及び外装材１について更に詳しく説明する。 2. Details Subsequently, the mounting structure of the exterior material 1 and the exterior material 1 shown in FIGS. 1A and 1B and FIGS. 2A to 2C will be described in more detail.

２−１．外装材
図２Ａ〜Ｃに示す外装材１は、建物、構造物の外壁材、内壁材、又は屋根葺き材として用いられる波形（詳しくは角波形）の外装材である。以下では、外装材１を外壁材として用いる場合を基準として、前後、左右、及び上下方向を用いて外装材１の各構成について説明する。外装材１は、上下方向と平行な長手方向と、左右方向と平行な短手方向と、前後方向と平行な厚み方向と、を有する。外装材１は、図１Ａ，Ｂに示すように、固定具５を用いて壁下地４に固定される。壁下地４に対して外装材１が位置する側が前側又は表側であり、その反対側が後側又は裏側である。 2-1. Exterior material The exterior material 1 shown in FIGS. 2A to 2C is a corrugated (specifically, angular corrugated) exterior material used as an outer wall material, an inner wall material, or a roofing material of a building or a structure. Hereinafter, each configuration of the exterior material 1 will be described using the front-rear, left-right, and up-down directions based on the case where the exterior material 1 is used as the outer wall material. The exterior material 1 has a longitudinal direction parallel to the vertical direction, a lateral direction parallel to the horizontal direction, and a thickness direction parallel to the front-rear direction. As shown in FIGS. 1A and 1B, the exterior material 1 is fixed to the wall base 4 by using the fixture 5. The side on which the exterior material 1 is located is the front side or the front side with respect to the wall base 4, and the opposite side is the rear side or the back side.

外装材１は、カラーガルバリウム鋼板（登録商標）、フッ素樹脂塗装ガルバリウム鋼板（登録商標）、ポリ塩化ビニール樹脂塗装鋼板、カラーアルミニウム板等の金属板から形成される。外装材１は、上記の金属板をロール成形機等によって折り曲げ加工することによって形成される。 The exterior material 1 is formed of a metal plate such as a color galvalume steel plate (registered trademark), a fluororesin-coated galvalume steel plate (registered trademark), a polyvinyl chloride resin-coated steel plate, and a color aluminum plate. The exterior material 1 is formed by bending the above metal plate with a roll molding machine or the like.

図２Ａ〜Ｃに示すように、外装材１は、長手方向の全長にわたって、長手方向に直交する断面が同形状である。外装材１は、短手方向（左右方向）に交互に並ぶ複数の山部１０と複数の谷部１１と、を有する。外装材１では、山部１０と谷部１１とが左右方向に一つずつ交互に並んでいる。本実施形態では、外装材１は、六つの山部１０と七つの谷部１１とを有している。 As shown in FIGS. 2A to 2C, the exterior material 1 has the same cross section in the longitudinal direction over the entire length in the longitudinal direction. The exterior material 1 has a plurality of mountain portions 10 and a plurality of valley portions 11 that are alternately arranged in the lateral direction (left-right direction). In the exterior material 1, the mountain portions 10 and the valley portions 11 are alternately arranged one by one in the left-right direction. In the present embodiment, the exterior material 1 has six peaks 10 and seven valleys 11.

複数の山部１０は、本実施形態では、互いに同じ形状及び寸法である。複数の山部１０のそれぞれは、左右方向に延びた板状の頂部１０ａと、頂部１０ａの左右の端部に連続した一対の板状の側部１０ｂと、を有する。一対の側部１０ｂは、頂部１０ａの左右の端部から裏側（後側）に突出している。一対の側部１０ｂは、頂部１０ａから遠い部分ほど左右方向の間隔が広がるように、前後方向に対して傾斜している。本実施形態では、頂部１０ａ及び一対の側部１０ｂのそれぞれは、平板状である。頂部１０ａと一対の側部１０ｂのそれぞれとは、鈍角をなして連続している。 In this embodiment, the plurality of mountain portions 10 have the same shape and dimensions as each other. Each of the plurality of mountain portions 10 has a plate-shaped top portion 10a extending in the left-right direction and a pair of plate-shaped side portions 10b continuous with the left and right ends of the top portion 10a. The pair of side portions 10b project from the left and right ends of the top portion 10a to the back side (rear side). The pair of side portions 10b are inclined with respect to the front-rear direction so that the distance in the left-right direction increases as the portion farther from the top portion 10a. In this embodiment, each of the top portion 10a and the pair of side portions 10b has a flat plate shape. Each of the top portion 10a and the pair of side portions 10b is continuous at an obtuse angle.

複数の谷部１１は、左右に隣接する二つの山部１０の間に位置する谷部１１ａと、左端に位置する山部１０の左側の側部１０ｂの後端部に連続する谷部１１ｂと、右端に位置する山部１０の右側の側部１０ｂの後端部に連続する谷部１１ｃと、を有する。本実施形態では、複数の谷部１１は、五つの谷部１１ａと、一つの谷部１１ｂと、一つの谷部１１ｃと、を有する。五つの谷部１１ａのそれぞれは、平板状であり、谷部１１ｂと谷部１１ｃのそれぞれは、少なくとも一部が折れ曲がった板状である。 The plurality of valley portions 11 include a valley portion 11a located between two mountain portions 10 adjacent to the left and right, and a valley portion 11b continuous with the rear end portion of the left side portion 10b of the mountain portion 10 located at the left end. , A valley portion 11c continuous with the rear end portion of the right side portion 10b of the mountain portion 10 located at the right end. In the present embodiment, the plurality of valleys 11 have five valleys 11a, one valley 11b, and one valley 11c. Each of the five valleys 11a has a flat plate shape, and each of the valleys 11b and 11c has a plate shape at least partially bent.

本実施形態では、左端の谷部１１ｂが、外装材１の第一側端部２を構成し、右端の谷部１１ｃが、外装材１の第二側端部３を構成している。 In the present embodiment, the leftmost valley portion 11b constitutes the first side end portion 2 of the exterior material 1, and the rightmost valley portion 11c constitutes the second side end portion 3 of the exterior material 1.

左端の谷部１１ｂ（つまり第一側端部２）は、図２Ｂに示すように、平板部６と、平板部６の側端縁（左縁）から平板部６の裏側（後側）に折り返された折り返し部７と、を有する。 As shown in FIG. 2B, the leftmost valley portion 11b (that is, the first side end portion 2) extends from the flat plate portion 6 and the side end edge (left edge) of the flat plate portion 6 to the back side (rear side) of the flat plate portion 6. It has a folded-back portion 7 and a folded-back portion 7.

平板部６は、左端に位置する山部１０の左側の側部１０ｂの後端部に、鈍角をなして連続している。平板部６は、左右方向に対して平行である。平板部６の左右方向の長さは、平板状の谷部１１ａの左右方向の長さと同じ又は略同じである。 The flat plate portion 6 is continuous with the rear end portion of the left side portion 10b of the mountain portion 10 located at the left end at an obtuse angle. The flat plate portion 6 is parallel to the left-right direction. The length of the flat plate portion 6 in the left-right direction is the same as or substantially the same as the length of the flat plate-shaped valley portion 11a in the left-right direction.

折り返し部７は、平板部６に沿って延びる本体部７０と、本体部７０の左端と平板部６の左端の間に位置し、円弧状をなす基部７１とを有する。本体部７０は、平板部６に対して平行であってもよいし、先端側（右側）ほど平板部６に近づくように傾いていてもよい。折り返し部７の左右方向の長さは、平板部６の左右方向の長さよりも短く、折り返し部７の先端（右端）は、平板部６の左右方向の中央部（固定具５が挿通される箇所（図１Ｂ参照））よりも左側に位置する。 The folded-back portion 7 has a main body portion 70 extending along the flat plate portion 6, and a base portion 71 located between the left end of the main body portion 70 and the left end of the flat plate portion 6 and forming an arc shape. The main body portion 70 may be parallel to the flat plate portion 6 or may be inclined so as to approach the flat plate portion 6 toward the tip end side (right side). The length of the folded-back portion 7 in the left-right direction is shorter than the length of the flat plate portion 6 in the left-right direction, and the tip (right end) of the folded-back portion 7 is the central portion (fixing tool 5) of the flat plate portion 6 in the left-right direction. It is located on the left side of the location (see FIG. 1B).

右端の谷部１１ｃ（つまり第二側端部３）は、図２Ｃに示すように、底板部８と、底板部８の側端縁（右縁）から表側（前側）に突出した突出板部９と、を有する。右端の谷部１１ｃは更に、突出板部９の表側の端縁（前縁）に連続する第二底板部１２と、第二底板部１２の側端縁（右縁）から第二底板部１２の表側に折り返された第二折り返し部１３と、を有する。 As shown in FIG. 2C, the rightmost valley portion 11c (that is, the second side end portion 3) is a bottom plate portion 8 and a protruding plate portion protruding from the side end edge (right edge) of the bottom plate portion 8 to the front side (front side). 9 and. The valley portion 11c at the right end further includes a second bottom plate portion 12 continuous with the front edge (front edge) of the protruding plate portion 9, and a second bottom plate portion 12 from the side end edge (right edge) of the second bottom plate portion 12. It has a second folded portion 13 which is folded back on the front side of the above.

底板部８は、右端に位置する山部１０の右側の側部１０ｂの後端部に、鈍角をなして連続している。底板部８は、平板状であり、左右方向に対して平行である。底板部８の左右方向の長さは、折り返し部７の左右方向の長さよりも長い（図１Ｂ参照）。底板部８は、前後方向における位置が、谷部１１ａと同じである。 The bottom plate portion 8 is continuous with an obtuse angle to the rear end portion of the right side portion 10b of the mountain portion 10 located at the right end. The bottom plate portion 8 has a flat plate shape and is parallel to the left-right direction. The length of the bottom plate portion 8 in the left-right direction is longer than the length of the folded-back portion 7 in the left-right direction (see FIG. 1B). The position of the bottom plate portion 8 in the front-rear direction is the same as that of the valley portion 11a.

突出板部９は、底板部８に対して鈍角をなして連続している。突出板部９は、底板部８の右縁から右斜め前方に突出している。突出板部９は、底板部８の前面からの前後方向の突出長さが、折り返し部７の平板部６の裏面からの前後方向に突出長さと同じか、それよりも長くなるように、形成されている。 The protruding plate portion 9 is continuous with an obtuse angle with respect to the bottom plate portion 8. The protruding plate portion 9 projects diagonally forward to the right from the right edge of the bottom plate portion 8. The protruding plate portion 9 is formed so that the protrusion length in the front-rear direction from the front surface of the bottom plate portion 8 is equal to or longer than the protrusion length in the front-rear direction from the back surface of the flat plate portion 6 of the folded-back portion 7. Has been done.

図２Ｂ，Ｃに示すように、底板部８と突出板部９の、外装材１の表裏方向に対して直交する一方向（つまり左右方向）における合計長さＬ１は、折り返し部７の前記一方向における長さＬ２よりも長く、かつ平板部６の前記一方向における長さＬ３よりも短い。 As shown in FIGS. 2B and 2C, the total length L1 of the bottom plate portion 8 and the protruding plate portion 9 in one direction (that is, the left-right direction) orthogonal to the front and back directions of the exterior material 1 is the one of the folded-back portion 7. It is longer than the length L2 in the direction and shorter than the length L3 of the flat plate portion 6 in the one direction.

第二底板部１２は、突出板部９の表側の端縁（前縁）に連続し、突出板部９に対して表側に凸の鈍角をなす第一部分１２０と、第一部分１２０の側端縁（右縁）から表側に突出し、第一部分１２０に対して裏側に凸の鈍角をなす第二部分１２１と、を有する。第二底板部１２は、第一部分１２０と第二部分１２１とがなす角部分１２２を有する。 The second bottom plate portion 12 is continuous with the front edge (front edge) of the protruding plate portion 9, and has an obtuse angle that is convex on the front side with respect to the protruding plate portion 9, and a side edge of the first portion 120. It has a second portion 121 that protrudes from (right edge) to the front side and forms an obtuse angle that is convex on the back side with respect to the first portion 120. The second bottom plate portion 12 has a corner portion 122 formed by the first portion 120 and the second portion 121.

第一部分１２０は、底板部８に対して平行な平板状であり、底板部８よりも前側に位置している。第二底板部１２の第一部分１２０と底板部８と突出板部９の、左右方向の合計長さＬ４は、平板部６の左右方向の長さＬ３よりも長い。 The first portion 120 has a flat plate shape parallel to the bottom plate portion 8 and is located on the front side of the bottom plate portion 8. The total length L4 of the first portion 120 of the second bottom plate portion 12, the bottom plate portion 8 and the protruding plate portion 9 in the left-right direction is longer than the length L3 of the flat plate portion 6 in the left-right direction.

第二部分１２１は、第一部分１２０の側端縁（右縁）から右斜め前方に突出している。第二部分１２１の側端縁（右縁）から第二部分１２１の表側に第二折り返し部１３が折り返されている。 The second portion 121 projects obliquely forward to the right from the side edge (right edge) of the first portion 120. The second folded portion 13 is folded back from the side edge (right edge) of the second portion 121 to the front side of the second portion 121.

第二折り返し部１３は、第二部分１２１に沿って延びる本体部１３０と、第二部分１２１の側端縁（右縁）と本体部１３０の右縁の間に位置し、円弧状をなす基部１３１と、を有する。本体部１３０は、先端側（左側）ほど第二部分１２１から離れて位置するように、第二部分１２１に対して沿っている。第二折り返し部１３の左右方向の長さは、第二部分１２１の左右方向の長さよりも短い。 The second folded-back portion 13 is located between the main body portion 130 extending along the second portion 121, the side edge (right edge) of the second portion 121, and the right edge of the main body portion 130, and has an arcuate base portion. 131 and. The main body 130 is aligned with respect to the second portion 121 so that the tip side (left side) is located away from the second portion 121. The length of the second folded-back portion 13 in the left-right direction is shorter than the length of the second portion 121 in the left-right direction.

第二部分１２１が第一部分１２０に対してなす角度は、図１Ｂに示すように、二枚の外装材１ａ，１ｂの側端部２，３同士を重ね、固定具５で壁下地４に固定した状態において、表側に位置する外装材１ａの山部１０の左の側部１０ｂの裏面に、裏側に位置する外装材１ｂの第二折り返し部１３の本体部１３０が押し当たるように、設定されている。本実施形態では、第二部分１２１が第一部分１２０に対してなす角度は、平板部６に対して左端の山部１０の左の側部１０ｂがなす角度よりも小さい。 As shown in FIG. 1B, the angle formed by the second portion 121 with respect to the first portion 120 is such that the side end portions 2 and 3 of the two exterior materials 1a and 1b are overlapped with each other and fixed to the wall base 4 with the fixture 5. In this state, the main body 130 of the second folded portion 13 of the exterior material 1b located on the back side is set to be pressed against the back surface of the left side portion 10b of the mountain portion 10 of the exterior material 1a located on the front side. ing. In the present embodiment, the angle formed by the second portion 121 with respect to the first portion 120 is smaller than the angle formed by the left side portion 10b of the leftmost mountain portion 10 with respect to the flat plate portion 6.

２−２．壁下地
図１Ａ，Ｂに示すように、壁下地４は、外装材１の下地を構成する部材である。壁下地４は、例えば、左右方向を長手方向とするＣ形鋼で構成される複数の横胴縁を有する。複数の横胴縁は、上下方向に間隔をあけて設けられる。複数の横胴縁は、建物の躯体の柱や縦胴縁に固定される。なお、壁下地４は、複数の横胴縁の前面に固定される板状の下地板を更に有してもよい。 2-2. Wall base As shown in FIGS. 1A and 1B, the wall base 4 is a member constituting the base of the exterior material 1. The wall base 4 has, for example, a plurality of horizontal furring strips made of C-shaped steel whose longitudinal direction is the left-right direction. The plurality of horizontal furring strips are provided at intervals in the vertical direction. The plurality of horizontal furring strips are fixed to the columns and vertical furring strips of the building frame. The wall base 4 may further have a plate-shaped base plate fixed to the front surface of the plurality of horizontal furring strips.

２−３．固定具
固定具５は、例えば、フランジ付きドリルねじである。詳しくは、固定具５は、六角形状の頭部５０と、ねじ先がドリル形状のねじ部５１と、ねじ部５１の基部に取り付けられたフランジ５２と、を有する。 2-3. Fixture Fixture 5 is, for example, a flanged drill screw. Specifically, the fixture 5 has a hexagonal head 50, a screw portion 51 having a drill-shaped screw tip, and a flange 52 attached to the base of the screw portion 51.

３．外装材の取付構造
続いて、図１Ａ，Ｂに示す、上述した外装材１を複数枚、固定具５を用いて壁下地４に取り付けた外装材１の取付構造について説明する。 3. 3. Mounting Structure of Exterior Material Next, the mounting structure of the exterior material 1 shown in FIGS. 1A and 1B, in which a plurality of the above-mentioned exterior materials 1 are attached to the wall base 4 using the fixture 5, will be described.

この取付構造では、第二外装材１ｂ、第一外装材１ａ、及び第三外装材１ｃが、この順で左側から右側へと並んで壁下地４に取り付けられている。外装材１ａ，１ｂ，１ｃは、図２Ａ〜Ｃに示す外装材１と同大同形である。 In this mounting structure, the second exterior material 1b, the first exterior material 1a, and the third exterior material 1c are mounted on the wall base 4 side by side from the left side to the right side in this order. The exterior materials 1a, 1b, and 1c have the same shape as the exterior material 1 shown in FIGS. 2A to 2C.

第一外装材１ａは、複数の固定具５を用いて、壁下地４に固定されている。本実施形態では、第一外装材１ａの複数の谷部１１のうち、左から奇数番目の谷部１１がそれぞれ固定具５によって壁下地４に固定されている。詳しくは、左端に位置する谷部１１ｂと、複数の谷部１１ａのうち左から二番目及び四番目の谷部１１ａと、右端に位置する谷部１１ｃとにそれぞれ、固定具５が挿通されている。 The first exterior material 1a is fixed to the wall base 4 by using a plurality of fixtures 5. In the present embodiment, of the plurality of valleys 11 of the first exterior material 1a, the odd-numbered valleys 11 from the left are fixed to the wall base 4 by the fixtures 5, respectively. Specifically, the fixture 5 is inserted into the valley portion 11b located at the left end, the second and fourth valley portions 11a from the left among the plurality of valley portions 11a, and the valley portion 11c located at the right end, respectively. There is.

第一外装材１ａは、複数の谷部１１のうち、左端の谷部１１ｂを除く残りの谷部１１のそれぞれの裏面（後面）が壁下地４の前面に接している。つまり、複数の谷部１１ａの裏面と、谷部１１ｃの底板部８の裏面とが、壁下地４の前面に接している。第一外装材１ａの左端の谷部１１ｂ（第一側端部２）は、壁下地４に設置された第二外装材１ｂの右端の谷部１１ｃ（第二側端部３）の表側（前側）に位置し、谷部１１ｂ，１１ｃ（側端部２，３）を貫通する固定具５によって壁下地４に固定されている。第一外装材１ａの右端の谷部１１ｃ（第二側端部３）は、第三外装材１ｃの左端の谷部１１ｂ（第一側端部２）の裏側（後側）に位置し、谷部１１ｂ，１１ｃ（側端部２，３）を貫通する固定具５によって壁下地４に固定されている。谷部１１ａに挿通される固定具５は、谷部１１ａのうち左右方向の中央部に挿通されている。 In the first exterior material 1a, the back surfaces (rear surfaces) of the remaining valley portions 11 other than the leftmost valley portion 11b of the plurality of valley portions 11 are in contact with the front surface of the wall base 4. That is, the back surface of the plurality of valley portions 11a and the back surface of the bottom plate portion 8 of the valley portion 11c are in contact with the front surface of the wall base 4. The leftmost valley portion 11b (first side end portion 2) of the first exterior material 1a is the front side (second side end portion 3) of the right end valley portion 11c (second side end portion 3) of the second exterior material 1b installed on the wall base 4. It is located on the front side) and is fixed to the wall base 4 by a fixture 5 that penetrates the valleys 11b and 11c (side ends 2 and 3). The valley portion 11c (second side end portion 3) at the right end of the first exterior material 1a is located on the back side (rear side) of the valley portion 11b (first side end portion 2) at the left end of the third exterior material 1c. It is fixed to the wall base 4 by a fixture 5 that penetrates the valleys 11b and 11c (side ends 2 and 3). The fixture 5 inserted through the valley portion 11a is inserted into the central portion of the valley portion 11a in the left-right direction.

第一外装材１ａの第一側端部２に挿通される固定具５は、第一外装材１ａの平板部６の左右方向の中央部と、第二外装材１ｂの突出板部９と、第二底板部１２の第一部分１２０の左端部とに、挿通されており、フランジ５２によって第一外装材１ａの平板部６を第二外装材１ｂの突出板部９に押し当てている。 The fixture 5 inserted through the first side end portion 2 of the first exterior material 1a includes a central portion of the flat plate portion 6 of the first exterior material 1a in the left-right direction, a protruding plate portion 9 of the second exterior material 1b, and the like. It is inserted through the left end of the first portion 120 of the second bottom plate portion 12, and the flat plate portion 6 of the first exterior material 1a is pressed against the protruding plate portion 9 of the second exterior material 1b by the flange 52.

第一外装材１ａは、折り返し部７の基部７１が第二外装材１ｂの底板部８の左縁の前側に位置し、平板部６のうち折り返し部７よりも右側の部分の裏面に第二外装材１ｂの突出板部９の表側の端縁（前縁）が当たり、折り返し部７が底板部８の前面に当たっている。平板部６が突出板部９の表側の端縁に当たることで、平板部６と底板部８との間に空隙Ｓ１が形成されており、この空隙Ｓ１の一部（入口側）に折り返し部７が収まっている。折り返し部７よりも奥側（右側）には空隙Ｓ１の他の一部が位置しており、この空隙Ｓ１の他の一部が、毛細管現象による雨水の浸入を防止する空間として機能する。空隙Ｓ１の他の一部は、ここに流れ込んだ雨水を外装材１の下端へと運ぶ排水流路としても機能する。また、突出板部９の前面（表側の面）は、右側の部分ほど前方に位置する傾斜面となっており、これにより、突出板部９の前面を伝って雨水が右側へと流れることが抑制される。 In the first exterior material 1a, the base 71 of the folded-back portion 7 is located on the front side of the left edge of the bottom plate portion 8 of the second exterior material 1b, and the second exterior material 1a is on the back surface of the portion of the flat plate portion 6 on the right side of the folded-back portion 7. The front edge (front edge) of the protruding plate portion 9 of the exterior material 1b hits, and the folded-back portion 7 hits the front surface of the bottom plate portion 8. When the flat plate portion 6 hits the front edge of the protruding plate portion 9, a gap S1 is formed between the flat plate portion 6 and the bottom plate portion 8, and the folded portion 7 is formed in a part (entrance side) of the gap S1. Is settled. Another part of the gap S1 is located on the back side (right side) of the folded-back portion 7, and the other part of the gap S1 functions as a space for preventing rainwater from entering due to the capillary phenomenon. The other part of the void S1 also functions as a drainage channel that carries the rainwater that has flowed into the gap S1 to the lower end of the exterior material 1. Further, the front surface (front surface) of the projecting plate portion 9 is an inclined surface located forward toward the right side portion, whereby rainwater may flow to the right side along the front surface of the projecting plate portion 9. It is suppressed.

空隙Ｓ１の入り口は、折り返し部７によって塞がれており、これにより、空隙Ｓ１への雨水の浸入も抑制される。 The entrance of the gap S1 is closed by the folded-back portion 7, which also suppresses the intrusion of rainwater into the gap S1.

第一外装材１ａの平板部６によって第二外装材１ｂの突出板部９が押圧され、第一外装材１ａの左端の山部１０の左の側部１０ｂによって第二外装材１ｂの第二折り返し部１３が押圧されることで、第二外装材１ｂの突出板部９及び第二底板部１２は、図２Ｃに示す形状から、第二底板部１２の角部分１２２が壁下地４に当たる形状へと変形している。第二底板部１２の角部分１２２が壁下地４に対して押し当たることで、突出板部９及び第二底板部１２の第一部分１２０が、板ばねとして機能し、突出板部９は平板部６に当たる方向に付勢される。これにより、平板部６と突出板部９との間に、雨水が浸入する隙間が生じることが抑制される。 The protruding plate portion 9 of the second exterior material 1b is pressed by the flat plate portion 6 of the first exterior material 1a, and the second side portion 10b of the mountain portion 10 at the left end of the first exterior material 1a is the second of the second exterior material 1b. When the folded-back portion 13 is pressed, the protruding plate portion 9 and the second bottom plate portion 12 of the second exterior material 1b have a shape in which the corner portion 122 of the second bottom plate portion 12 hits the wall base 4 from the shape shown in FIG. 2C. It is transformed into. When the corner portion 122 of the second bottom plate portion 12 is pressed against the wall base 4, the protruding plate portion 9 and the first portion 120 of the second bottom plate portion 12 function as leaf springs, and the protruding plate portion 9 is a flat plate portion. It is urged in the direction of hitting 6. As a result, it is possible to prevent a gap for rainwater from entering between the flat plate portion 6 and the protruding plate portion 9.

第一外装材１ａの平板部６と第二外装材１ｂの第二底板部１２の第一部分１２０とは、離れて位置し、第一外装材１ａの左端の山部１０の左の側部１０ｂと、第二外装材１ｂの第二底板部１２の第二部分１２１とは、離れて位置している。そのため、平板部６と第一部分１２０との間や側部１０ｂと第二部分１２１との間には、毛細管現象が生じる隙間が形成されず、これらの間からの毛細管現象による雨水の浸入を抑制することができる。 The flat plate portion 6 of the first exterior material 1a and the first portion 120 of the second bottom plate portion 12 of the second exterior material 1b are located apart from each other, and the left side portion 10b of the mountain portion 10 at the left end of the first exterior material 1a is located. And the second portion 121 of the second bottom plate portion 12 of the second exterior material 1b are located apart from each other. Therefore, a gap that causes a capillary phenomenon is not formed between the flat plate portion 6 and the first portion 120 or between the side portion 10b and the second portion 121, and the intrusion of rainwater due to the capillary phenomenon is suppressed from between these. can do.

また、第一外装材１ａの左端の山部１０の左の側部１０ｂに、第二外装材１ｂの第二折り返し部１３の本体部１３０が押し当たっている。第一外装材１ａの平板部６と左端の山部１０の左の側部１０ｂと第二外装材１ｂの第二底板部１２と第二折り返し部１３との間には、空間Ｓ３が形成されている。そのため、第一外装材１ａの平板部６と第二外装材１ｂの突出板部９の間から第二外装材１ｂの第二底板部１２の前面や第一外装材１ａの平板部６の後面を伝って右側へと雨水が流れ込んでも、この雨水は第二折り返し部１３によって止められ、これにより、雨水が第二外装材１ｂの右の側端縁を越えて壁下地４へと至ることが抑制される。また、空間Ｓ３は、空間Ｓ３に流れ込んだ雨水を外装材１の下端へと運ぶ排水流路としても機能することができる。 Further, the main body 130 of the second folded-back portion 13 of the second exterior material 1b is pressed against the left side portion 10b of the mountain portion 10 at the left end of the first exterior material 1a. A space S3 is formed between the flat plate portion 6 of the first exterior material 1a, the left side portion 10b of the mountain portion 10 at the left end, the second bottom plate portion 12 of the second exterior material 1b, and the second folded portion 13. ing. Therefore, from between the flat plate portion 6 of the first exterior material 1a and the protruding plate portion 9 of the second exterior material 1b, the front surface of the second bottom plate portion 12 of the second exterior material 1b and the rear surface of the flat plate portion 6 of the first exterior material 1a. Even if the rainwater flows to the right side along the above, the rainwater is stopped by the second folding portion 13, whereby the rainwater can reach the wall base 4 beyond the right side edge of the second exterior material 1b. It is suppressed. Further, the space S3 can also function as a drainage flow path that carries the rainwater that has flowed into the space S3 to the lower end of the exterior material 1.

また、第二外装材１ｂの突出板部９と第二折り返し部１３とが、第一外装材１ａの平板部６と左端の山部１０の左の側部１０ｂとにそれぞれ押し当たることで、突出板部９と平板部６の間や第二折り返し部１３と左の側部１０ｂとの間に、隙間が生じることを防ぐことができ、これらの間からの雨水の浸入を抑制しやすい。 Further, the protruding plate portion 9 and the second folded portion 13 of the second exterior material 1b are pressed against the flat plate portion 6 of the first exterior material 1a and the left side portion 10b of the leftmost mountain portion 10, respectively. It is possible to prevent a gap from being formed between the projecting plate portion 9 and the flat plate portion 6 and between the second folded-back portion 13 and the left side portion 10b, and it is easy to suppress the intrusion of rainwater from between these.

また、第一外装材１ａの左端の山部１０の左の側部１０ｂの裏面に、第二外装材１ｂの第二折り返し部１３の本体部１３０が押し当たることで、第二外装材１ｂの第二底板部１２の角部分１２２が壁下地４に当たる状態を支持しやすい。そのため、突出板部９及び第二底板部１２の第一部分１２０が板ばねとして機能し、突出板部９が平板部６に当たる方向に付勢される状態を維持しやすい。 Further, the main body 130 of the second folded-back portion 13 of the second exterior material 1b is pressed against the back surface of the left side portion 10b of the mountain portion 10 at the left end of the first exterior material 1a, so that the second exterior material 1b It is easy to support the state where the corner portion 122 of the second bottom plate portion 12 hits the wall base 4. Therefore, the first portion 120 of the protruding plate portion 9 and the second bottom plate portion 12 functions as a leaf spring, and it is easy to maintain a state in which the protruding plate portion 9 is urged in the direction of contacting the flat plate portion 6.

第二外装材１ｂと第三外装材１ｃについても、上述した第一外装材１ａと同様の構造で、壁下地４に対して取り付けられる。 The second exterior material 1b and the third exterior material 1c also have the same structure as the first exterior material 1a described above, and are attached to the wall base 4.

以上説明した外装材１の取付構造は、壁下地４の前面に各外装材１の谷部１１ａ，１１ｃの裏面を当て、隣接する二つの外装材１の側端部２，３同士を図１Ａのように重ね合わせた状態で、この重ね合わせた部分と、その他の谷部１１ａとに固定具５を打ち込むことで、形成することができる。 In the mounting structure of the exterior material 1 described above, the back surfaces of the valley portions 11a and 11c of each exterior material 1 are applied to the front surface of the wall base 4, and the side end portions 2 and 3 of the two adjacent exterior materials 1 are connected to each other in FIG. 1A. It can be formed by driving the fixture 5 into the overlapped portion and the other valley portion 11a in the state of being overlapped as described above.

４．変形例
続いて、上述した一実施形態の外装材１の取付構造及び外装材１の変形例について説明する。 4. Modification Example Next, the mounting structure of the exterior material 1 and the modification of the exterior material 1 of the above-described embodiment will be described.

外装材１は、複数の山部１０及び複数の谷部１１の形状及び寸法が、図２Ａ〜Ｃに示す形状及び寸法に限定されない。例えば、複数の山部１０の頂部１０ａは、平板状に限らず、左右方向の一部が後側又は前側に突出したリブ付きの板状であってもよい。また、複数の山部１０の側部１０ｂは、平板状に限らず、左右方向の一部が折れ曲がった形状であってもよい。また、複数の谷部１１ａは、平板状に限らず、左右方向の一部が後側又は前側に突出したリブ付きの板状であってもよい。 In the exterior material 1, the shapes and dimensions of the plurality of peaks 10 and the plurality of valleys 11 are not limited to the shapes and dimensions shown in FIGS. 2A to 2C. For example, the tops 10a of the plurality of mountain portions 10 are not limited to a flat plate shape, and may have a ribbed plate shape in which a part in the left-right direction protrudes to the rear side or the front side. Further, the side portions 10b of the plurality of mountain portions 10 are not limited to a flat plate shape, and may have a shape in which a part of the mountain portion 10 is bent in the left-right direction. Further, the plurality of valley portions 11a are not limited to a flat plate shape, and may have a ribbed plate shape in which a part in the left-right direction protrudes to the rear side or the front side.

第二外装材１ｂにおける固定具５の貫通箇所は、図１Ｂに示す突出板部９と第二底板部１２にわたる箇所に限定されず、底板部８、突出板部９、及び第二底板部１２のうちの一つまたは、底板部８と突出板部９とにわたる箇所であってもよい。 The penetration portion of the fixture 5 in the second exterior material 1b is not limited to the portion extending over the protruding plate portion 9 and the second bottom plate portion 12 shown in FIG. 1B, and the bottom plate portion 8, the protruding plate portion 9, and the second bottom plate portion 12 It may be one of them, or a portion extending over the bottom plate portion 8 and the protruding plate portion 9.

また、外装材１は、第二側端部３として、底板部８と突出板部９のみを有し、第二底板部１２及び第二折り返し部１３を有さなくてもよい。 Further, the exterior material 1 may have only the bottom plate portion 8 and the protruding plate portion 9 as the second side end portion 3, and may not have the second bottom plate portion 12 and the second folded-back portion 13.

また、外装材１は、図１Ｂに示す取付状態において、第二折り返し部１３が他の外装材１の裏面に押し当たるように構成されていなくてもよく、第二折り返し部１３が他の外装材１の裏面から離れて位置するように構成されてもよい。 Further, the exterior material 1 does not have to be configured so that the second folded portion 13 is pressed against the back surface of the other exterior material 1 in the mounted state shown in FIG. 1B, and the second folded portion 13 is the other exterior. It may be configured to be located away from the back surface of the material 1.

また、外装材１の第二底板部１２は、第一部分１２０と第二部分１２１とが角部分１２２をなさずに直線状に連続したものであってもよい。 Further, the second bottom plate portion 12 of the exterior material 1 may be such that the first portion 120 and the second portion 121 are linearly continuous without forming the corner portion 122.

また、外装材１は、複数の山部１０が、頂部１０ａと一対の側部１０ｂとが角をなして連続する角波状に限らず、頂部１０ａと一対の側部１０ｂとが角をなさずに連続する丸波状であってもよい。 Further, the exterior material 1 is not limited to a plurality of mountain portions 10 having a continuous angular wave shape in which the top portion 10a and the pair of side portions 10b form a corner, and the top portion 10a and the pair of side portions 10b do not form a corner. It may be continuous in a round wave shape.

また、外装材１が備える山部１０と谷部１１の数は、図２Ａに示す数に限定されない。 Further, the number of peaks 10 and valleys 11 included in the exterior material 1 is not limited to the number shown in FIG. 2A.

また、外装材１ａ，１ｂは、図２Ａ〜Ｃに示す外装材１と同大同形のものに限定されない。第一外装材１ａは、図２Ｂに示す第一側端部２のみ有し、図２Ｃに示す第二側端部３を有さなくてもよい。また、第二外装材１ｂは、図２Ｃに示す第二側端部３のみ有し、図２Ｂに示す第一側端部２を有さなくてもよい。この場合でも、外装材１ａ，１ｂは、図１Ｂに示す取付構造のように、壁下地４に取り付けることが可能である。 Further, the exterior materials 1a and 1b are not limited to those having the same size and shape as the exterior materials 1 shown in FIGS. 2A to 2C. The first exterior material 1a may have only the first side end portion 2 shown in FIG. 2B and may not have the second side end portion 3 shown in FIG. 2C. Further, the second exterior material 1b has only the second side end portion 3 shown in FIG. 2C, and does not have to have the first side end portion 2 shown in FIG. 2B. Even in this case, the exterior materials 1a and 1b can be attached to the wall base 4 as in the attachment structure shown in FIG. 1B.

外装材１は、縦長ではなく横長であってもよく、つまり、左右方向と平行な長手方向と、上下方向と平行な短手方向と、前後方向と平行な厚み方向とを有してもよい。また、外装材１は、左右方向の長さと上下方向の長さが同じであってもよい。 The exterior material 1 may be horizontally long instead of vertically long, that is, it may have a longitudinal direction parallel to the left-right direction, a short direction parallel to the vertical direction, and a thickness direction parallel to the front-rear direction. .. Further, the exterior material 1 may have the same length in the left-right direction and the length in the up-down direction.

５．まとめ
以上説明した一実施形態及びその変形例のように、第一態様の外装材１の取付構造は、下記の構成を備える。 5. Summary As in the above-described embodiment and its modification, the mounting structure of the exterior material 1 of the first aspect has the following configuration.

すなわち、第一態様の外装材１の取付構造は、第一側端部２を有する波形の第一外装材１ａと、第一側端部２の裏側に重なる第二側端部３を有する波形の第二外装材１ｂと、第一側端部２及び第二側端部３を貫通して壁下地４に固定する固定具５と、を備える。第一側端部２は、固定具５が挿通される平板部６と、平板部６の側端縁から平板部６の裏側に折り返された折り返し部７と、を有する。第二側端部３は、壁下地４に接する底板部８と、底板部８の側端縁から表側に突出した突出板部９と、を有する。突出板部９は、平板部６の裏面に当たることで、平板部６と底板部８との間に、折り返し部７が一部に収まる空隙Ｓ１を形成するように構成されている。 That is, the mounting structure of the exterior material 1 of the first aspect has a corrugated first exterior material 1a having a first side end portion 2 and a corrugated second side end portion 3 overlapping the back side of the first side end portion 2. The second exterior material 1b and the fixture 5 that penetrates the first side end portion 2 and the second side end portion 3 and is fixed to the wall base 4 are provided. The first side end portion 2 has a flat plate portion 6 through which the fixture 5 is inserted, and a folded portion 7 folded back from the side end edge of the flat plate portion 6 to the back side of the flat plate portion 6. The second side end portion 3 has a bottom plate portion 8 in contact with the wall base 4, and a protruding plate portion 9 protruding from the side edge of the bottom plate portion 8 to the front side. The protruding plate portion 9 is configured to hit the back surface of the flat plate portion 6 to form a gap S1 in which the folded-back portion 7 is partially accommodated between the flat plate portion 6 and the bottom plate portion 8.

上記構成を備える第一態様の外装材１の取付構造では、突出板部９が平板部６の裏面に当たることで平板部６と底板部８との間に空隙Ｓ１を形成することができ、この空隙Ｓ１の一部に折り返し部７を収容することで、空隙Ｓ１への雨水の浸入を折り返し部７によって抑制することができる。そのため、第一態様の外装材１の取付構造では、折り返し部７及び空隙Ｓ１によって毛細管現象による雨水の浸入を防止することができるうえ、そのための構成（折り返し部７及び突出板部９）が露出せず目立ちにくい。 In the mounting structure of the exterior material 1 of the first aspect having the above configuration, the gap S1 can be formed between the flat plate portion 6 and the bottom plate portion 8 by the protruding plate portion 9 hitting the back surface of the flat plate portion 6. By accommodating the folded-back portion 7 in a part of the gap S1, the intrusion of rainwater into the gap S1 can be suppressed by the folded-back portion 7. Therefore, in the mounting structure of the exterior material 1 of the first aspect, the folded-back portion 7 and the gap S1 can prevent rainwater from entering due to the capillary phenomenon, and the configuration for that purpose (folded-back portion 7 and protruding plate portion 9) is exposed. Inconspicuous without being noticeable.

また、上述した一実施形態及びその変形例のように、第二態様の外装材１の取付構造は、第一態様の構成に加えて、下記の構成を付加的に備える。 Further, as in the above-described embodiment and its modification, the mounting structure of the exterior material 1 of the second aspect additionally includes the following structure in addition to the structure of the first aspect.

すなわち、第二態様の外装材１の取付構造では、第二側端部３は、突出板部９の側端縁に連続する第二底板部１２と、第二底板部１２の側端縁から第二底板部１２の表側に折り返された第二折り返し部１３と、を有する。 That is, in the mounting structure of the exterior material 1 of the second aspect, the second side end portion 3 is from the second bottom plate portion 12 continuous with the side end edge of the protruding plate portion 9 and the side end edge of the second bottom plate portion 12. It has a second folded portion 13 folded back on the front side of the second bottom plate portion 12.

上記構成を備える第二態様の外装材１の取付構造では、第二外装材１ｂの第二側端部３の表面を伝って第二側端部３の側端縁側へと浸入した雨水を、第二折り返し部１３によって止めることができ、雨水が第二側端部３の側端縁を越えて壁下地４へと至ることを抑制することができる。 In the mounting structure of the exterior material 1 of the second aspect having the above configuration, the rainwater that has infiltrated the side edge side of the second side end portion 3 along the surface of the second side end portion 3 of the second exterior material 1b is It can be stopped by the second folded-back portion 13, and it is possible to prevent rainwater from reaching the wall base 4 beyond the side edge of the second side end portion 3.

また、上述した一実施形態及びその変形例のように、第三態様の外装材１の取付構造は、第二態様の構成に加えて、下記の構成を付加的に備える。 Further, as in the above-described embodiment and its modification, the mounting structure of the exterior material 1 of the third aspect additionally includes the following configuration in addition to the configuration of the second aspect.

すなわち、第三態様の外装材１の取付構造では、第二底板部１２は、突出板部９の表側の端縁に連続し、突出板部９に対して表側に凸の鈍角をなす第一部分１２０と、第一部分１２０の側端縁から表側に突出し、第一部分１２０に対して裏側に凸の鈍角をなす第二部分１２１と、を有する。第一部分１２０と第二部分１２１とでなされる角部分１２２が、壁下地４に当たることで、突出板部９が表側に付勢される。 That is, in the mounting structure of the exterior material 1 of the third aspect, the second bottom plate portion 12 is a first portion that is continuous with the front edge of the protruding plate portion 9 and has an obtuse angle that is convex on the front side with respect to the protruding plate portion 9. It has 120 and a second portion 121 that protrudes from the side edge of the first portion 120 to the front side and forms an obtuse angle that is convex on the back side with respect to the first portion 120. When the corner portion 122 formed by the first portion 120 and the second portion 121 hits the wall base 4, the protruding plate portion 9 is urged to the front side.

上記構成を備える第三態様の外装材１の取付構造では、第二底板部１２によって突出板部９を平板部６に押し当たる方向に付勢することができ、平板部６と突出板部９との間に隙間が生じて、この隙間から雨水が浸入することを抑制することができる。 In the mounting structure of the exterior material 1 of the third aspect having the above configuration, the protruding plate portion 9 can be urged in the direction of pressing against the flat plate portion 6 by the second bottom plate portion 12, and the flat plate portion 6 and the protruding plate portion 9 can be urged. A gap is formed between the two, and it is possible to prevent rainwater from entering through this gap.

また、上述した一実施形態及びその変形例のように、第四態様の外装材１の取付構造は、第三態様の構成に加えて、下記の構成を付加的に備える。 Further, as in the above-described one embodiment and its modification, the mounting structure of the exterior material 1 of the fourth aspect additionally includes the following configuration in addition to the configuration of the third aspect.

すなわち、第四態様の外装材１の取付構造では、第二折り返し部１３は、第一外装材１ａの裏面に押し当たっている。 That is, in the mounting structure of the exterior material 1 of the fourth aspect, the second folded-back portion 13 is pressed against the back surface of the first exterior material 1a.

上記構成を備える第四態様の外装材１の取付構造では、第二折り返し部１３は、第一外装材１ａの裏面に押し当たっていることで、第二底板部１２の角部分１２２が壁下地４に当たる状態を維持しやすくて、第二底板部１２によって突出板部９を平板部６に押し当たる方向に付勢しやすい。 In the mounting structure of the exterior material 1 of the fourth aspect having the above configuration, the second folded-back portion 13 is pressed against the back surface of the first exterior material 1a, so that the corner portion 122 of the second bottom plate portion 12 is the wall base. It is easy to maintain the state of hitting 4, and it is easy to urge the protruding plate portion 9 in the direction of pressing against the flat plate portion 6 by the second bottom plate portion 12.

また、上述した一実施形態及びその変形例のように、第五態様の外装材１は、下記の構成を備える。 Further, as in the above-described embodiment and its modification, the exterior material 1 of the fifth aspect has the following configuration.

すなわち、第五態様の外装材１は、第一側端部２とその反対側に位置する第二側端部３とを備える波形の外装材１である。第一側端部２は、平板部６と、平板部６の側端縁から平板部６の裏側に折り返された折り返し部７と、を有する。第二側端部３は、底板部８と、底板部８の側端縁から表側に突出した突出板部９と、を有する。底板部８と突出板部９の、外装材１の表裏方向（厚み方向）に対して直交する一方向における合計長さＬ１が、折り返し部７の前記一方向における長さＬ２よりも長く、かつ平板部６の前記一方向における長さＬ３よりも短い。 That is, the exterior material 1 of the fifth aspect is a corrugated exterior material 1 including a first side end portion 2 and a second side end portion 3 located on the opposite side thereof. The first side end portion 2 has a flat plate portion 6 and a folded-back portion 7 folded back from the side end edge of the flat plate portion 6 to the back side of the flat plate portion 6. The second side end portion 3 has a bottom plate portion 8 and a protruding plate portion 9 projecting from the side end edge of the bottom plate portion 8 to the front side. The total length L1 of the bottom plate portion 8 and the protruding plate portion 9 in one direction orthogonal to the front-back direction (thickness direction) of the exterior material 1 is longer than the length L2 of the folded-back portion 7 in the one direction. The length of the flat plate portion 6 in one direction is shorter than the length L3.

上記構成を備える第五態様の外装材１では、二枚の外装材１を側端部２，３同士が重なり合うように配置した状態において、突出板部９を平板部６に当てて、平板部６と底板部８との間に空隙Ｓ１を形成することができ、この空隙Ｓ１の一部に折り返し部７を収容することができて、空隙Ｓ１への雨水の浸入を折り返し部７によって抑制することができる。そのため、第五態様の外装材１では、二枚の外装材１を側端部２，３同士が重なり合うように配置した状態において、折り返し部７及び空隙Ｓ１によって毛細管現象による雨水の浸入を防止することができるうえ、そのための構成（折り返し部７及び突出板部９）が露出せず目立ちにくい。 In the exterior material 1 of the fifth aspect having the above configuration, the protruding plate portion 9 is applied to the flat plate portion 6 in a state where the two exterior materials 1 are arranged so that the side end portions 2 and 3 overlap each other, and the flat plate portion is formed. A gap S1 can be formed between the gap S1 and the bottom plate portion 8, and the folded-back portion 7 can be accommodated in a part of the gap S1, and the intrusion of rainwater into the gap S1 is suppressed by the folded-back portion 7. be able to. Therefore, in the exterior material 1 of the fifth aspect, in a state where the two exterior materials 1 are arranged so that the side end portions 2 and 3 overlap each other, the folded portion 7 and the gap S1 prevent rainwater from entering due to the capillary phenomenon. In addition, the configuration for that purpose (folded portion 7 and protruding plate portion 9) is not exposed and is inconspicuous.

また、上述した一実施形態及びその変形例のように、第六態様の外装材１は、第五態様の構成に加えて、下記の構成を付加的に備える。 Further, as in the above-described one embodiment and its modification, the exterior material 1 of the sixth aspect additionally includes the following configuration in addition to the configuration of the fifth aspect.

すなわち、第六態様の外装材１では、第二側端部３は、突出板部９の表側の端縁に連続する第二底板部１２と、第二底板部１２の側端縁から第二底板部１２の表側に折り返された第二折り返し部１３と、を有する。 That is, in the exterior material 1 of the sixth aspect, the second side end portion 3 is the second bottom plate portion 12 continuous with the front edge of the projecting plate portion 9 and the second from the side end edge of the second bottom plate portion 12. It has a second folded portion 13 folded back on the front side of the bottom plate portion 12.

上記構成を備える第六態様の外装材１では、二枚の外装材１を側端部２，３同士が重なり合うように配置した状態において、平板部６と突出板部９の間から浸入し、第二底板部１２の表側の面を伝う雨水の移動を、第二折り返し部１３によって止めることができ、雨水が第二側端部３を越えて壁下地４へと至ることを抑制することができる。 In the exterior material 1 of the sixth aspect having the above configuration, in a state where the two exterior materials 1 are arranged so that the side end portions 2 and 3 overlap each other, the exterior material 1 penetrates from between the flat plate portion 6 and the protruding plate portion 9. The movement of rainwater along the front surface of the second bottom plate portion 12 can be stopped by the second folded portion 13, and the rainwater can be prevented from reaching the wall base 4 beyond the second side end portion 3. it can.

また、上述した一実施形態及びその変形例のように、第七態様の外装材１は、第六態様の構成に加えて、下記の構成を付加的に備える。 Further, as in the above-described embodiment and its modification, the exterior material 1 of the seventh aspect additionally includes the following configuration in addition to the configuration of the sixth aspect.

すなわち、第七態様の外装材１では、第二底板部１２は、突出板部９の前記端縁に連続し、突出板部９に対して表側に凸の鈍角をなす第一部分１２０と、第一部分１２０の側端縁から表側に突出し、第一部分１２０に対して裏側に凸の鈍角をなす第二部分１２１と、を有する。 That is, in the exterior material 1 of the seventh aspect, the second bottom plate portion 12 is continuous with the edge of the protruding plate portion 9, and has an obtuse angle that is convex on the front side with respect to the protruding plate portion 9. It has a second portion 121 that protrudes from the side edge of the portion 120 to the front side and forms an obtuse angle that is convex on the back side with respect to the first portion 120.

上記構成を備える第七態様の外装材１では、二枚の外装材１を側端部２，３同士が重なり合うように配置した状態において、第二底板部１２の第一部分１２０と第二部分１２１とでなされる角部分１２２が壁下地４に当たる。これにより、第七態様の外装材１では、第二底板部１２によって突出板部９を平板部６に押し当たる方向に付勢することができ、平板部６と突出板部９との間に隙間が生じて、この隙間から雨水が浸入することを抑制することができる。 In the exterior material 1 of the seventh aspect having the above configuration, the first portion 120 and the second portion 121 of the second bottom plate portion 12 are arranged so that the side end portions 2 and 3 overlap each other. The corner portion 122 formed by the above corresponds to the wall base 4. As a result, in the exterior material 1 of the seventh aspect, the protruding plate portion 9 can be urged in the direction of being pressed against the flat plate portion 6 by the second bottom plate portion 12, and between the flat plate portion 6 and the protruding plate portion 9. A gap is created, and it is possible to prevent rainwater from entering through the gap.

以上、本開示を添付図面に示す実施形態に基づいて説明したが、本開示は上記の実施形態に限定されるものではなく、本開示の意図する範囲内であれば、適宜の設計変更が可能である。 Although the present disclosure has been described above based on the embodiments shown in the accompanying drawings, the present disclosure is not limited to the above-described embodiments, and appropriate design changes can be made within the scope of the present disclosure. Is.

１ 外装材
１ａ 第一外装材
１ｂ 第二外装材
２ 第一側端部
３ 第二側端部
４ 壁下地
５ 固定具
６ 平板部
７ 折り返し部
８ 底板部
９ 突出板部
１２ 第二底板部
１２０ 第一部分
１２１ 第二部分
１２２ 角部分
１３ 第二折り返し部
Ｌ１ 合計長さ
Ｌ２ 長さ
Ｌ３ 長さ
Ｓ１ 空隙 1 Exterior material 1a 1st exterior material 1b 2nd exterior material 2 1st side end 3 2nd side end 4 Wall base 5 Fixture 6 Flat plate 7 Folded part 8 Bottom plate 9 Protruding plate 12 2nd bottom plate 120 First part 121 Second part 122 Square part 13 Second folded part L1 Total length L2 Length L3 Length S1 Void

Claims (7)

第一側端部を有する波形の第一外装材と、
前記第一側端部の裏側に重なる第二側端部を有する波形の第二外装材と、
前記第一側端部及び前記第二側端部を貫通して壁下地に固定する固定具と、を備え、
前記第一側端部は、前記固定具が挿通される平板部と、前記平板部の側端縁から前記平板部の裏側に折り返された折り返し部と、を有し、
前記第二側端部は、前記壁下地に接する底板部と、前記底板部の側端縁から表側に突出した突出板部と、を有し、
前記突出板部は、前記平板部の裏面に当たることで、前記平板部と前記底板部との間に、前記折り返し部が一部に収まる空隙を形成するように構成されている、
外装材の取付構造。 A corrugated first exterior material with a first side end,
A corrugated second exterior material having a second side end that overlaps the back side of the first side end,
A fixture that penetrates the first side end portion and the second side end portion and is fixed to the wall base is provided.
The first side end portion has a flat plate portion through which the fixture is inserted, and a folded portion folded back from the side end edge of the flat plate portion to the back side of the flat plate portion.
The second side end portion has a bottom plate portion in contact with the wall base and a protruding plate portion protruding from the side edge of the bottom plate portion to the front side.
The protruding plate portion is configured to hit the back surface of the flat plate portion to form a gap between the flat plate portion and the bottom plate portion so that the folded portion can be partially accommodated.
Exterior material mounting structure. 前記第二側端部は、
前記突出板部の表側の端縁に連続する第二底板部と、
前記第二底板部の側端縁から前記第二底板部の表側に折り返された第二折り返し部と、を有する、
請求項１に記載の外装材の取付構造。 The second side end is
A second bottom plate portion continuous with the front edge of the protruding plate portion,
It has a second folded portion folded back from the side edge of the second bottom plate portion to the front side of the second bottom plate portion.
The mounting structure of the exterior material according to claim 1. 前記第二底板部は、
前記突出板部の前記端縁に連続し、前記突出板部に対して表側に凸の鈍角をなす第一部分と、
前記第一部分の側端縁から表側に突出し、前記第一部分に対して裏側に凸の鈍角をなす第二部分と、を有し、
前記第一部分と前記第二部分とでなされる角部分が、前記壁下地に当たることで、前記突出板部が表側に付勢される、
請求項２に記載の外装材の取付構造。 The second bottom plate portion
A first portion that is continuous with the edge of the protruding plate portion and has an obtuse angle that is convex on the front side with respect to the protruding plate portion.
It has a second portion that protrudes from the side edge of the first portion to the front side and forms an obtuse angle that is convex on the back side with respect to the first portion.
When the corner portion formed by the first portion and the second portion hits the wall base, the protruding plate portion is urged to the front side.
The mounting structure of the exterior material according to claim 2. 前記第二折り返し部は、前記第一外装材の裏面に押し当たっている、
請求項３に記載の外装材の取付構造。 The second folded portion is pressed against the back surface of the first exterior material.
The mounting structure of the exterior material according to claim 3. 第一側端部とその反対側に位置する第二側端部とを備える波形の外装材であって、
前記第一側端部は、平板部と、前記平板部の側端縁から前記平板部の裏側に折り返された折り返し部と、を有し、
前記第二側端部は、底板部と、前記底板部の側端縁から表側に突出した突出板部と、を有し、
前記底板部と前記突出板部の、前記外装材の表裏方向に対して直交する一方向における合計長さが、前記折り返し部の前記一方向における長さよりも長く、かつ前記平板部の前記一方向における長さよりも短い、
外装材。 A corrugated exterior material having a first side end and a second side end located on the opposite side.
The first side end portion has a flat plate portion and a folded portion folded back from the side edge of the flat plate portion to the back side of the flat plate portion.
The second side end portion has a bottom plate portion and a protruding plate portion protruding from the side edge of the bottom plate portion to the front side.
The total length of the bottom plate portion and the protruding plate portion in one direction orthogonal to the front and back directions of the exterior material is longer than the length of the folded portion in the one direction, and the flat plate portion is in the one direction. Shorter than the length in
Exterior material. 前記第二側端部は、
前記突出板部の表側の端縁に連続する第二底板部と、
前記第二底板部の側端縁から前記第二底板部の表側に折り返された第二折り返し部と、を有する、
請求項５に記載の外装材。 The second side end is
A second bottom plate portion continuous with the front edge of the protruding plate portion,
It has a second folded portion folded back from the side edge of the second bottom plate portion to the front side of the second bottom plate portion.
The exterior material according to claim 5. 前記第二底板部は、
前記突出板部の前記端縁に連続し、前記突出板部に対して表側に凸の鈍角をなす第一部分と、
前記第一部分の側端縁から表側に突出し、前記第一部分に対して裏側に凸の鈍角をなす第二部分と、を有する、
請求項６に記載の外装材。 The second bottom plate portion
A first portion that is continuous with the edge of the protruding plate portion and has an obtuse angle that is convex on the front side with respect to the protruding plate portion.
It has a second portion that protrudes from the side edge of the first portion to the front side and forms an obtuse angle that is convex on the back side with respect to the first portion.
The exterior material according to claim 6.
JP2019224388A 2019-12-12 2019-12-12 Fitting structure of exterior material, and exterior material Pending JP2021092108A (en)

Priority Applications (1)

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