JP7150559B2

JP7150559B2 - roof structure

Info

Publication number: JP7150559B2
Application number: JP2018199973A
Authority: JP
Inventors: 栞雨宮; 善生高橋
Original assignee: Sekisui Chemical Co Ltd
Current assignee: Sekisui Chemical Co Ltd
Priority date: 2018-10-24
Filing date: 2018-10-24
Publication date: 2022-10-11
Anticipated expiration: 2038-10-24
Also published as: JP2020066914A

Description

この発明は、屋根構造に関するものである。 The present invention relates to roof structures.

住宅などの建物の屋根には、水下側に位置する第１の屋根葺き材と、水上側に位置する第２の屋根葺き材とを、接続金具などで接続したものが存在している（例えば、特許文献１～３参照）。 BACKGROUND ART A roof of a building such as a house has a first roofing material located on the water side and a second roofing material located on the water side connected by a connecting fitting or the like ( For example, see Patent Documents 1 to 3).

特開２０１５－２１４８６５号公報JP 2015-214865 A 特開２００１－３３６２５７号公報Japanese Patent Application Laid-Open No. 2001-336257 特開２００４－６０２７５号公報JP 2004-60275 A

しかしながら、上記特許文献に記載された接続金具は、例えば、屋根葺き材の裏面側からの取付作業などが必要になるなどによって、取付けに手間がかかっていた。 However, the connection metal fittings described in the above-mentioned patent documents are time-consuming to install because, for example, installation work from the back side of the roofing material is required.

そこで、本発明は、主に、上記した問題点を解決することを目的としている。 SUMMARY OF THE INVENTION Accordingly, the main object of the present invention is to solve the problems described above.

上記課題を解決するために、本発明は、水下側に位置する第１の屋根葺き材と、該第１の屋根葺き材の水上側に配置される第２の屋根葺き材と、前記第１の屋根葺き材の水上側の端部と前記第２の屋根葺き材の水下側の端部との間を接続する接続部材とを備え、該接続部材は、前記第１の屋根葺き材の水上側の端部周辺、および、前記第２の屋根葺き材の水下側の端部周辺に対して表面側から固定可能な屋根固定部を有し、前記接続部材は、水切部を有している屋根構造を特徴とする。 In order to solve the above problems, the present invention provides a first roofing material positioned on the water side, a second roofing material positioned on the water side of the first roofing material, and the second roofing material. a connecting member connecting between the waterside end of one roofing material and the waterside end of the second roofing material, the connecting member being connected to the first roofing material. and a roof fixing portion that can be fixed from the surface side to the periphery of the water side end of the second roofing material and the periphery of the water side end of the second roofing material, and the connecting member has a draining portion. characterized by a roof structure that

本発明によれば、上記構成によって、接続部材の取付けを簡易化することなどができる。また、接続部材が水切部を有することにより、接続部材の雨水を、水切部によって水切りすることができる。 According to the present invention, the attachment of the connection member can be simplified by the above configuration. Moreover, since the connecting member has the draining portion, the rainwater on the connecting member can be drained by the draining portion.

本実施の形態にかかる屋根構造を備えた住宅などの建物の斜視図である。1 is a perspective view of a building such as a house having a roof structure according to this embodiment; FIG. 図１の建物の屋根構造のＡ－Ａ線に沿った断面図である。Figure 2 is a cross-sectional view of the roof structure of the building of Figure 1 along line AA; 図２の水下側の屋根固定部の部分拡大図である。FIG. 3 is a partially enlarged view of a roof fixing portion on the underwater side of FIG. 2; 図２の水上側の屋根固定部の部分拡大図である。FIG. 3 is a partially enlarged view of a roof fixing portion on the water side of FIG. 2; バックアップ材の部分的な斜視図である。FIG. 4 is a partial perspective view of a backup material; 接続部材の部分的な斜視図である。FIG. 11 is a partial perspective view of a connecting member; ユニット間接続部材の全体斜視図である。It is the whole perspective view of an inter-unit connection member. 建築現場での屋根構造の構築手順を示す作業工程図（斜視図）である。It is a work process drawing (perspective view) which shows the construction|assembly procedure of the roof structure in a building site. 図７に続く作業工程図（縦断面図）である。FIG. 8 is a work process diagram (longitudinal sectional view) following FIG. 7 ; 図８に続く作業工程図（斜視図）である。FIG. 9 is a work process diagram (perspective view) following FIG. 8 ; 図９に続く作業工程図（縦断面図）である。FIG. 10 is a work process diagram (longitudinal sectional view) following FIG. 9 ;

以下、本実施の形態を、図面を用いて詳細に説明する。 Hereinafter, this embodiment will be described in detail with reference to the drawings.

図１～図１０は、この実施の形態を説明するためのものである。 1 to 10 are for explaining this embodiment.

＜構成＞以下、構成について説明する。 <Construction> The construction will be described below.

図１は、住宅などの建物１の斜視図である。この建物１は、ユニット建物とされている。ユニット建物は、工場で予め製造した建物ユニット３を建築現場へ搬送して、建築現場で組み立てることにより、短期間のうちに建物１を構築し得るようにしたものである。 FIG. 1 is a perspective view of a building 1 such as a house. This building 1 is a unit building. The unit building is constructed so that the building 1 can be constructed in a short period of time by transporting the building units 3 previously manufactured in a factory to the construction site and assembling them at the construction site.

そして、ユニット建物には、建物ユニット３によって構成された建物本体４の上に屋根ユニット５を設置することで、屋根６を構成するようにしたものも存在している。この実施例では、屋根６は、傾斜屋根によって構成された片流れ屋根となっている。 In some unit buildings, a roof 6 is constructed by installing a roof unit 5 on a building body 4 composed of building units 3 . In this embodiment, the roof 6 is a shed roof that is a sloping roof.

以下、ユニット建物の例として説明するが、この実施例の屋根構造を適用可能な建物１は、ユニット建物に限るものではなく、各種の構造の建物１に適用できる。また、この実施例の屋根構造を適用可能な屋根６は、片流れ屋根に限るものではなく、各種の形状の屋根６に適用できる。 Although an example of a unit building will be described below, the building 1 to which the roof structure of this embodiment can be applied is not limited to the unit building, and can be applied to buildings 1 of various structures. Moreover, the roof 6 to which the roof structure of this embodiment can be applied is not limited to a shed roof, and can be applied to roofs 6 of various shapes.

そして、この実施例の屋根構造は、以下のような構成を備えることができる。 And the roof structure of this embodiment can be provided with the following configurations.

（１）屋根構造は、水下側に位置する第１の屋根葺き材１１と、第１の屋根葺き材１１の水上側に配置される第２の屋根葺き材１２と、第１の屋根葺き材１１の水上側の端部１３と第２の屋根葺き材１２の水下側の端部１４との間を接続する接続部材１５とを備えたものとされる。そして、図２に示すように、接続部材１５は、第１の屋根葺き材１１の水上側の端部１３周辺、および、第２の屋根葺き材１２の水下側の端部１４周辺に対して表面側から固定可能な屋根固定部１６，１７を有している。 (1) The roof structure consists of a first roofing material 11 positioned on the water side, a second roofing material 12 positioned on the water side of the first roofing material 11, and the first roofing material 11 on the water side. A connecting member 15 connects between the water side end 13 of the material 11 and the water side end 14 of the second roofing material 12 . Then, as shown in FIG. 2, the connection member 15 is attached to the periphery of the waterside end 13 of the first roofing material 11 and the periphery of the waterside end 14 of the second roofing material 12. It has roof fixing parts 16 and 17 that can be fixed from the surface side.

ここで、屋根ユニット５は、屋根枠体２１の上面に野地板などの屋根下地材２２を取り付けて成る屋根パネル２３を上部に有している。第１の屋根葺き材１１と第２の屋根葺き材１２とは、本体部分がほぼ同じ形状にされている。第１の屋根葺き材１１と第２の屋根葺き材１２とは、それぞれ屋根下地材２２の上に防水シートなどを介して設置される。 Here, the roof unit 5 has a roof panel 23 formed by attaching a roof base material 22 such as a sheathing board to the upper surface of a roof frame 21 . The main body portions of the first roofing material 11 and the second roofing material 12 have substantially the same shape. The first roofing material 11 and the second roofing material 12 are respectively installed on the roof base material 22 via a waterproof sheet or the like.

ユニット建物の場合、第１の屋根葺き材１１や第２の屋根葺き材１２は、工場で予め各屋根ユニット５の上面に取付けられる。この実施例では、第１の屋根葺き材１１と第２の屋根葺き材１２とは、それぞれ別々の屋根ユニット５に取付けられる。第１の屋根葺き材１１を取付けた屋根ユニット５と、第２の屋根葺き材１２を取付けた屋根ユニット５とは、建築現場で、水下側と水上側に位置するように建物本体４に隣接して設置される（水下側屋根ユニット５Ａおよび水上側屋根ユニット５Ｂ）。建物本体４に屋根ユニット５を設置した状態では、第１の屋根葺き材１１の水上側の端部１３と第２の屋根葺き材１２の水下側の端部１４とは、間隔を有して離間される。 In the case of a unit building, the first roofing material 11 and the second roofing material 12 are preliminarily attached to the upper surface of each roof unit 5 at the factory. In this embodiment, the first roofing material 11 and the second roofing material 12 are each attached to separate roof units 5 . The roof unit 5 to which the first roofing material 11 is attached and the roof unit 5 to which the second roofing material 12 is attached are attached to the building body 4 so as to be positioned on the water side and the water side at the construction site. They are installed adjacently (water side roof unit 5A and water side roof unit 5B). When the roof unit 5 is installed on the building body 4, the water side end 13 of the first roofing material 11 and the water side end 14 of the second roofing material 12 are spaced apart. spaced apart.

そして、接続部材１５は、第１の屋根葺き材１１の水上側の端部１３と第２の屋根葺き材１２の水下側の端部１４との間を塞ぐと共に、第１の屋根葺き材１１と第２の屋根葺き材１２とを繋ぐために用いられる補助的な屋根葺き材（接続用屋根葺き材）である。この実施例では、接続部材１５は、建築現場にて、水下側の屋根ユニット５の第１の屋根葺き材１１と、水上側の屋根ユニット５の第２の屋根葺き材１２との間に、屋根ユニット５の上から（または、第１の屋根葺き材１１や第２の屋根葺き材１２の上面側から）の作業によって設置される。接続部材１５は、水下側の屋根ユニット５の第１の屋根葺き材１１と、水上側の屋根ユニット５の第２の屋根葺き材１２との間に、屋根６の上方から設置される。但し、第１の屋根葺き材１１と第２の屋根葺き材１２を、同じ屋根ユニット５に設置されたものなどとしたり、接続部材１５を工場で取付けるものとしたりすることも可能である。 The connecting member 15 closes the gap between the water side end 13 of the first roofing material 11 and the water side end 14 of the second roofing material 12, It is an auxiliary roofing material (connecting roofing material) used to connect 11 and the second roofing material 12 . In this embodiment, the connecting member 15 is placed between the first roofing 11 of the underwater roof unit 5 and the second roofing 12 of the underwater roof unit 5 at the construction site. , from above the roof unit 5 (or from the upper surface side of the first roofing material 11 or the second roofing material 12). The connection member 15 is installed from above the roof 6 between the first roofing material 11 of the roof unit 5 on the water side and the second roofing material 12 of the roof unit 5 on the water side. However, it is also possible that the first roofing material 11 and the second roofing material 12 are installed on the same roof unit 5, or that the connecting member 15 is installed at the factory.

接続部材１５は、第１の屋根葺き材１１や第２の屋根葺き材１２の幅寸法とほぼ等しい長さとしたり、屋根ユニット５の幅寸法とほぼ等しい長さとしたり、これらの中間の長さとしたりすることができる。この実施例では、接続部材１５は、屋根ユニット５の幅寸法とほぼ等しい長さで横方向（水下側の屋根ユニット５と水上側の屋根ユニット５との合わせ方向）へ延びる長尺材（横葺き材）、または、それよりも短い長尺材などとされている。 The connecting member 15 may have a length substantially equal to the width of the first roofing material 11 or the second roofing material 12, a length substantially equal to the width of the roof unit 5, or an intermediate length. can do. In this embodiment, the connection member 15 is a long member ( horizontal roofing materials) or shorter long materials.

そして、後述するように、横方向に隣接する屋根ユニット５の間には、隣接する接続部材１５の端部間を上から覆うように、ユニット間接続部材２４が上方から取付けられる（図１、図６）。ユニット間接続部材２４は、接続部材１５とほぼ同様の側面形状を有している。ユニット間接続部材２４は、接続部材１５よりも横方向に短尺のものとされている。なお、図１では、接続部材１５およびユニット間接続部材２４は、便宜上、設置する位置のみ示している。 As will be described later, inter-unit connecting members 24 are attached from above between the roof units 5 adjacent in the lateral direction so as to cover the ends of the adjacent connecting members 15 from above (FIGS. 1 and 2). Figure 6). The inter-unit connecting member 24 has substantially the same side shape as the connecting member 15 . The inter-unit connection member 24 is laterally shorter than the connection member 15 . Note that FIG. 1 shows only the positions where the connecting member 15 and the inter-unit connecting member 24 are installed for the sake of convenience.

第１の屋根葺き材１１の水上側の端部１３周辺とは、第１の屋根葺き材１１の水上側の端部１３および端部１３の周辺部分のことである。また、第２の屋根葺き材１２の水下側の端部１４周辺とは、第２の屋根葺き材１２の水下側の端部１４および端部１４の周辺部分のことである。 The vicinity of the waterside end 13 of the first roofing material 11 is the waterside end 13 of the first roofing material 11 and the peripheral portion of the end 13 . In addition, the vicinity of the underwater end 14 of the second roofing material 12 means the underwater end 14 of the second roofing material 12 and the peripheral portion of the end 14 .

屋根固定部１６，１７は、接続部材１５を第１の屋根葺き材１１と第２の屋根葺き材１２とに対してそれぞれ固定するために接続部材１５に設けられた部分である。屋根固定部１６，１７の固定には、ネジやリベットなどの固定具２５，２６が適宜用いられる。ネジやリベットなどの固定具２５，２６は、共に、上方から取付けられるようにするのが好ましい。これに対し、第１の屋根葺き材１１の水上側の端部１３周辺や第２の屋根葺き材１２の水下側の端部１４周辺には、屋根固定部１６，１７に対するものとして、接続部材１５を固定するための接続部材固定部が設けられる。 The roof fixing portions 16 and 17 are portions provided on the connecting member 15 for fixing the connecting member 15 to the first roofing material 11 and the second roofing material 12, respectively. Fixing tools 25, 26 such as screws and rivets are appropriately used for fixing the roof fixing parts 16, 17. As shown in FIG. The fasteners 25, 26, such as screws and rivets, are preferably both attached from above. On the other hand, around the end 13 on the water side of the first roofing material 11 and around the end 14 on the water side of the second roofing material 12 are connected to the roof fixing parts 16 and 17 . A connection member fixing portion for fixing the member 15 is provided.

なお、図２では、第１の屋根葺き材１１の水上側の端部１３における、屋根固定部１６よりも水下側の位置には、雪止金具２７などが設置されている。雪止金具２７は、建築現場で適宜取付けられる。 In FIG. 2, a snow stopper 27 or the like is installed at a position on the water side of the roof fixing portion 16 at the water side end portion 13 of the first roofing material 11 . The snow guards 27 are appropriately attached at the construction site.

（２）接続部材１５は、第１の屋根葺き材１１の上面１１ａ側に位置されても良い（図３Ａも併せて参照）。 (2) The connecting member 15 may be positioned on the upper surface 11a side of the first roofing material 11 (see also FIG. 3A).

ここで、第１の屋根葺き材１１の上面１１ａ側に位置されるとは、接続部材１５の水下側の端部１５ａ（の屋根固定部１６）が、第１の屋根葺き材１１の上面１１ａよりも上層に位置するような位置関係を有して取付けられることである。 Here, being positioned on the upper surface 11a side of the first roofing material 11 means that the end portion 15a (the roof fixing portion 16 thereof) of the connecting member 15 on the water side is located on the upper surface of the first roofing material 11. It is to be attached with a positional relationship such that it is positioned above 11a.

この実施例では、接続部材１５の水下側の端部１５ａは、第１の屋根葺き材１１の水上側の端部１３または端部１３周辺に対して上に重ねられた状態で設置される。この際、接続部材１５の水下側の端部１５ａは、屋根６の上側での作業によって、第１の屋根葺き材１１の水上側の端部１３または端部１３周辺に対し上方から載置するように設置されて上方から取付けられるようになっている。なお、第１の屋根葺き材１１の水上側の端部１３の構造については後述する。 In this embodiment, the underwater end 15a of the connecting member 15 is placed overlying against or around the underwater end 13 of the first roofing material 11. . At this time, the water side end portion 15a of the connecting member 15 is placed from above on the water side end portion 13 of the first roofing material 11 or the vicinity of the end portion 13 by the work on the upper side of the roof 6. It is installed so that it can be installed from above. The structure of the waterside end 13 of the first roofing material 11 will be described later.

（３）接続部材１５は、第２の屋根葺き材１２の下面１２ｂ側に位置されても良い（図３Ｂも併せて参照）。 (3) The connecting member 15 may be positioned on the lower surface 12b side of the second roofing material 12 (see also FIG. 3B).

ここで、第２の屋根葺き材１２の下面１２ｂ側に位置されるとは、接続部材１５の水上側の端部１５ｂ（の屋根固定部１６）が、第２の屋根葺き材１２の下面１２ｂよりも下層に位置するような位置関係を有して取付けられることである。 Here, being positioned on the lower surface 12b side of the second roofing material 12 means that the water side end 15b of the connection member 15 (the roof fixing portion 16 thereof) is located on the lower surface 12b of the second roofing material 12 . It is to be attached with a positional relationship such that it is located in a lower layer than.

この実施例では、接続部材１５の水上側の端部１５ｂは、第２の屋根葺き材１２の水下側の端部１４または端部１４周辺に対して下側へ入り込んだ状態で設置される。この際、接続部材１５の水上側の端部１５ｂは、屋根６の上側での作業によって、第２の屋根葺き材１２の水下側の端部１４または端部１４周辺に対し水下側から差し込むようにして取付けられるようになっている。第２の屋根葺き材１２の水下側の端部１４の構造については後述する。 In this embodiment, the water side end 15b of the connecting member 15 is installed in a state of being recessed downward with respect to or around the water side end 14 of the second roofing material 12. . At this time, the water side end portion 15b of the connecting member 15 is attached to the water side end portion 14 of the second roofing material 12 or the vicinity of the water side end portion 14 from the water side by the work on the upper side of the roof 6. It is designed to be installed by plugging it in. The structure of the underwater end 14 of the second roofing material 12 will be described later.

そして、屋根６の上側での作業によって、接続部材１５の水下側の端部１５ａが、第１の屋根葺き材１１の上面１１ａよりも上側に設置され、水上側の端部１５ｂが第２の屋根葺き材１２の水下側の端部１４の下面１２ｂよりも下側に設置され得るようにするために、接続部材１５は、以下のような側面形状とされている。 Then, by the work on the upper side of the roof 6, the end portion 15a on the water side of the connecting member 15 is installed above the upper surface 11a of the first roofing material 11, and the end portion 15b on the water side is placed on the second side. In order to be able to be installed below the lower surface 12b of the underwater end 14 of the roofing material 12, the connecting member 15 has the following side shape.

即ち、接続部材１５は、水下側の端部１５ａと水上側の端部１５ｂとの間に、屋根面に設置したときに、屋根面よりも緩い勾配となる傾斜面部１５ｃを有している。傾斜面部１５ｃは、傾斜した屋根面（例えば、屋根下地材２２の上面など）に対し、第２の屋根葺き材１２の水下側の端部１４の位置から第１の屋根葺き材１１の水上側の端部１３へ向かって傾斜される。 That is, the connecting member 15 has an inclined surface portion 15c between the underwater end portion 15a and the underwater end portion 15b, which becomes a gentler slope than the roof surface when installed on the roof surface. . The inclined surface portion 15c extends from the position of the end portion 14 on the water side of the second roofing material 12 to the water surface of the first roofing material 11 with respect to the inclined roof surface (for example, the upper surface of the roof base material 22). beveled towards the side edge 13 .

なお、傾斜面部１５ｃの裏面と屋根面との間には、三角形状の空間が形成されるが、この空間は、そのまま残しておいても良いし、バックアップ材３１（図４）などを設置しても良い。この実施例では、バックアップ材３１を設置している。バックアップ材３１は、三角形状の空間に合わせた大きさおよび形状を有する側面視ほぼ三角形状のものとされて、建築現場で設置される。バックアップ材３１は、スチレンフォームなどの断熱材で形成しても良い。 A triangular space is formed between the back surface of the inclined surface portion 15c and the roof surface. can be In this embodiment, a backup material 31 is installed. The backup material 31 has a substantially triangular shape when viewed from the side and has a size and shape suitable for a triangular space, and is installed at a construction site. The backup material 31 may be made of a heat insulating material such as styrene foam.

（４）図５に示すように、接続部材１５は、水切部４１を有しても良い。 (4) As shown in FIG. 5 , the connection member 15 may have a draining portion 41 .

ここで、水切部４１は、雨水などの水切りを行うための部分のことである。水切部４１は、接続部材１５の水下側の端部１５ａまたはその近傍の位置に設けられる。 Here, the draining portion 41 is a portion for draining rainwater or the like. The draining portion 41 is provided at the underwater end portion 15a of the connecting member 15 or at a position in the vicinity thereof.

（５）図３Ａに示すように、水切部４１は、第１の屋根葺き材１１の水上側の端部１３よりも水下側に位置しても良い。また、水切部４１は、第１の屋根葺き材１１の上面１１ａに向けて下方へ突出されても良い。 (5) As shown in FIG. 3A, the draining portion 41 may be positioned below the water side of the water side end portion 13 of the first roofing material 11 . Alternatively, the draining portion 41 may protrude downward toward the upper surface 11 a of the first roofing material 11 .

ここで、水切部４１は、接続部材１５の水下側の端部１５ａ周辺の裏面側から突設された突出部とされている。水切部４１は、接続部材１５の全長に亘って連続して延びるものとしても良いし、不連続のものとしても良い。例えば、水切部４１は、第１の屋根葺き材１１などと干渉する部分を切り欠くことで不連続のものにすることができる。水切部４１は、屋根面などに対してほぼ垂直に設けられる。 Here, the draining portion 41 is a projecting portion projecting from the rear surface side around the end portion 15 a of the connecting member 15 on the underwater side. The draining portion 41 may extend continuously over the entire length of the connecting member 15, or may be discontinuous. For example, the draining portion 41 can be made discontinuous by notching a portion that interferes with the first roofing material 11 or the like. The draining portion 41 is provided substantially perpendicular to the roof surface or the like.

（６）第１の屋根葺き材１１は、水上側の端部１３に突出片５１を有しても良い。 (6) The first roofing material 11 may have a projecting piece 51 at the waterside end 13 .

ここで、突出片５１は、接続部材１５の水下側の端部１５ａ（の屋根固定部１６）に対する取付部などとして設けられるものなどとされる。突出片５１は、屋根固定部１６を上方から載置するのに適した受け形状とするのが好ましい。 Here, the protruding piece 51 is provided as a mounting portion for (the roof fixing portion 16 of) the end portion 15a of the connecting member 15 on the underwater side. The protruding piece 51 preferably has a receiving shape suitable for mounting the roof fixing portion 16 from above.

突出片５１は、第１の屋根葺き材１１の水上側の端部１３を上方へ屈曲することで、第１の屋根葺き材１１と一体に形成されている。 The projecting piece 51 is formed integrally with the first roofing material 11 by bending upward the waterside end 13 of the first roofing material 11 .

突出片５１は、第１の屋根葺き材１１の水上側の端部１３に形成された屈曲部を有しており、この屈曲部は、屋根面（屋根下地材２２など）に対してほぼ面直上方へ向かうものとされる。 The protruding piece 51 has a bend formed at the waterside end 13 of the first roofing material 11, the bend being substantially flush with the roof surface (such as the roof substrate 22). It is supposed to go straight up.

突出片５１は、上端部に水下側へ向けて形成された平行部５２を有しても良い。平行部５２は、屋根面とほぼ平行な向きに屈曲形成される。平行部５２は、第１の屋根葺き材１１の幅方向に対し連続して設けても良いし、部分的に（または不連続に）設けても良い。 The protruding piece 51 may have a parallel portion 52 formed toward the underwater side at the upper end portion. The parallel portion 52 is bent in a direction substantially parallel to the roof surface. The parallel portion 52 may be provided continuously in the width direction of the first roofing material 11, or may be provided partially (or discontinuously).

そして、突出片５１と平行部５２は、接続部材１５の水上側の端部１５ｂと同様に、屋根６の上側での作業によって、水下側から差し込むように取付けるための形状（差込部）などとされている。 The protruding piece 51 and the parallel portion 52 have a shape (insertion portion) for attachment so as to be inserted from the underwater side by work on the upper side of the roof 6, similarly to the end portion 15b on the water side of the connecting member 15. and so on.

この突出片５１や平行部５２は、屋根下地材２２にネジなどの固定具５３で固定された水上受鋼板５４によって、屋根下地材２２に係止保持されている。この水上受鋼板５４は、第１の屋根葺き材１１の水上側の端部１３よりも水上側に設置されて、屋根下地材２２に第１の屋根葺き材１１を取付ける際に、第１の屋根葺き材１１の水上側の端部１３を、水下側から差し込むことで、第１の屋根葺き材１１の水上側の端部１３の位置決めおよび係止保持を行うようになっている。 The protruding piece 51 and the parallel portion 52 are locked and held to the roof base material 22 by a water receiving steel plate 54 fixed to the roof base material 22 with fasteners 53 such as screws. The water receiving steel plate 54 is installed on the water side of the water side end portion 13 of the first roofing material 11 so that when the first roofing material 11 is attached to the roof base material 22, the first roofing material 11 is installed. By inserting the water side end 13 of the roofing material 11 from the water side, the water side end 13 of the first roofing material 11 is positioned, locked and held.

水上受鋼板５４は、屋根下地材２２に対する取付面部５４ａと、取付面部５４ａの水下側の端部からほぼ面直に立上がる縦面部５４ｂと、縦面部５４ｂの上端部から平行部５２と平行に水下側へ延びる横面部５４ｃとを有する、側面視ほぼＺ型の部材などとされている。 The water receiving steel plate 54 includes a mounting surface portion 54a for the roof base material 22, a vertical surface portion 54b that rises substantially vertically from the underwater side end of the mounting surface portion 54a, and a parallel portion 52 extending from the upper end of the vertical surface portion 54b. and a horizontal surface portion 54c extending to the underwater side, and a substantially Z-shaped member in a side view.

そして、水上受鋼板５４の縦面部５４ｂと横面部５４ｃとが、第１の屋根葺き材１１の水上側の端部１３の突出片５１や平行部５２の、水下側からの差し込みを受ける受部になると共に、水上受鋼板５４の横面部５４ｃの上面が、接続部材１５の水下側の端部１５ａ（屋根固定部１６）に対する、水下側の接続部材固定部になる。 The vertical surface portion 54b and the horizontal surface portion 54c of the water receiving steel plate 54 receive the projection piece 51 and the parallel portion 52 of the end portion 13 on the water side of the first roofing material 11 inserted from the water side. In addition, the upper surface of the horizontal surface portion 54c of the water receiving steel plate 54 becomes an underwater connection member fixing portion for the underwater end portion 15a of the connection member 15 (roof fixing portion 16).

これに対し、接続部材１５の水下側の端部１５ａは、水上受鋼板５４の横面部５４ｃの上面に対し上方から載置され当接される当接面部とされている。この当接面部は、傾斜面部１５ｃに対して屋根下地材２２とほぼ平行な向きに屈曲形成されている。また、上記した水切部４１は、接続部材１５の水下側の端部１５ａを側面視ほぼＴ字状に折り曲げることなどによって形成されている。水切部４１は、横面部５４ｃや平行部５２よりも水下側に位置される。 On the other hand, the end portion 15a of the connecting member 15 on the underwater side serves as a contact surface portion which is placed on the upper surface of the horizontal surface portion 54c of the water receiving steel plate 54 from above and contacts therewith. The contact surface portion is bent in a direction substantially parallel to the roof base material 22 with respect to the inclined surface portion 15c. The above-described draining portion 41 is formed by, for example, bending the end portion 15a of the connection member 15 on the underwater side into a substantially T-shape when viewed from the side. The draining portion 41 is positioned below the horizontal surface portion 54 c and the parallel portion 52 .

そして、接続部材１５の水下側の端部１５ａと、水上受鋼板５４の横面部５４ｃと、第１の屋根葺き材１１の水上側の端部１３の平行部５２とは、順番に上下に重ねられた状態で、ネジなどの固定具２５によって、上方から共締め状態で一体に固定される。 The end 15a on the water side of the connecting member 15, the horizontal surface portion 54c of the water receiving steel plate 54, and the parallel portion 52 of the end 13 on the water side of the first roofing material 11 are arranged vertically in this order. In the superimposed state, they are integrally fixed together from above by fixing tools 25 such as screws.

（７）図３Ｂに示すように、第２の屋根葺き材１２は、水下側の端部１４に突出片６１を有しても良い。 (7) As shown in FIG. 3B, the second roofing material 12 may have a protruding piece 61 at the end 14 on the underwater side.

ここで、突出片６１は、接続部材１５の水上側の端部１５ｂ（の屋根固定部１７）に対する取付部などとして設けられるものなどとされる。突出片６１は、屋根固定部１７の水下側からの差し込みを受けるものとするのが好ましい。 Here, the protruding piece 61 is provided as a mounting portion for (the roof fixing portion 17 of) the end portion 15b on the water side of the connecting member 15, or the like. It is preferable that the protruding piece 61 receives an insertion from the underwater side of the roof fixing portion 17 .

突出片６１は、第２の屋根葺き材１２の水下側の端部１４を上側へ屈曲することで、第２の屋根葺き材１２と一体に形成される。または、突出片６１は、第２の屋根葺き材１２とは別部材で設けて、第２の屋根葺き材１２の水下側の端部１４に固定するようにしても良い。 The protruding piece 61 is formed integrally with the second roofing material 12 by bending upward the end portion 14 of the second roofing material 12 on the underwater side. Alternatively, the projecting piece 61 may be provided as a separate member from the second roofing material 12 and fixed to the end 14 of the second roofing material 12 on the water side.

突出片６１は、第２の屋根葺き材１２の水下側の端部１４に形成された屈曲部を有しており、この屈曲部は、水下側へ向けて屋根面（屋根下地材２２）よりも緩い勾配で下るように屈曲したものとされる。 The protruding piece 61 has a bent portion formed at the underwater end portion 14 of the second roofing material 12, and this bent portion extends downward toward the roof surface (roof base material 22). ) to descend at a gentler slope.

突出片６１は、下端部に水下側へ向けて形成された平行部６２を有しても良い。平行部６２は、屋根面とほぼ平行な向きに屈曲形成される。平行部６２の水下側の端部には、屋根面へ向けてほぼ面直下方へ延びる下方屈曲部６３などを設けても良い。この下方屈曲部６３は、水切り部や、接続部材１５の水上側の端部１５ｂに対する係止部などとして機能することができる。 The protruding piece 61 may have a parallel portion 62 formed toward the underwater side at the lower end portion. The parallel portion 62 is bent in a direction substantially parallel to the roof surface. At the end of the parallel portion 62 on the underwater side, a downward bent portion 63 or the like extending substantially vertically downward toward the roof surface may be provided. The downward bent portion 63 can function as a draining portion, a locking portion for the water side end portion 15b of the connecting member 15, and the like.

そして、突出片６１と平行部６２は、接続部材１５の水下側の端部１５ａと同様に、屋根６の上側での作業によって、水下側からの差し込みを受けるための形状（受部）などとされている。 The protruding piece 61 and the parallel portion 62 have a shape (receiving portion) for receiving insertion from the underwater side by work on the upper side of the roof 6, similarly to the underwater end portion 15a of the connecting member 15. and so on.

この突出片６１や平行部６２は、屋根下地材２２にネジなどの固定具６４で固定された水下受鋼板６５によって、下面１２ｂ側を屋根下地材２２に支持されている。この水下受鋼板６５は、第２の屋根葺き材１２の水下側の端部１４の位置に設置されて、屋根下地材２２に第２の屋根葺き材１２を取付ける際に、第２の屋根葺き材１２の水下側の端部１４を下側から受けるようになっている。また、水下受鋼板６５は、接続部材１５の水上側の端部１５ｂよりも水上側に設置されて、接続部材１５を取付ける際に、接続部材１５の水上側の端部１５ｂを、水下側から差し込むことで、接続部材１５の水上側の端部１５ｂの位置決めおよび係止保持を行うようになっている。 The projecting piece 61 and the parallel portion 62 are supported on the roof base material 22 on the lower surface 12b side by a water receiving steel plate 65 fixed to the roof base material 22 with fasteners 64 such as screws. This water receiving steel plate 65 is installed at the position of the end portion 14 of the second roofing material 12 on the water side, and when the second roofing material 12 is attached to the roof base material 22, the second roofing material 12 is installed. It is adapted to receive the underwater end 14 of the roofing material 12 from below. In addition, the submerged steel plate 65 is installed above the waterside end 15b of the connection member 15 so that when the connection member 15 is attached, the waterside end 15b of the connection member 15 is placed under water. By inserting from the side, the end 15b on the water side of the connection member 15 is positioned and locked.

水下受鋼板６５は、水上受鋼板５４とほぼ同様の形状をしており、屋根下地材２２に対する取付面部６５ａと、取付面部６５ａの水下側の端部からほぼ面直に立上がる縦面部６５ｂと、縦面部６５ｂの上端部から平行部６２と平行に水下側へ延びる横面部６５ｃとを有する、側面視ほぼＺ型の部材などとされている。取付面部６５ａは、突出片６１の下方に位置するように屋根下地材２２に固定される。 The submerged receiving steel plate 65 has substantially the same shape as the submerged receiving steel plate 54, and includes a mounting surface portion 65a for the roof base material 22 and a vertical surface portion rising substantially vertically from the underwater side end of the mounting surface portion 65a. 65b, and a horizontal surface portion 65c extending from the upper end of the vertical surface portion 65b to the underwater side in parallel with the parallel portion 62, and is substantially Z-shaped in side view. The mounting surface portion 65 a is fixed to the roof base material 22 so as to be positioned below the projecting piece 61 .

そして、水下受鋼板６５の縦面部６５ｂと横面部６５ｃとが、接続部材１５の水上側の端部１５ｂの立上部６７や平行部６８の、水下側からの差し込みを受ける受部になる。即ち、接続部材１５の水上側の屋根固定部１７に対する水上側の接続部材固定部になる。また、水下受鋼板６５の横面部６５ｃの上面が、第２の屋根葺き材１２の水下側の端部１４の平行部６２を下から受ける受部となる。 The vertical surface portion 65b and the horizontal surface portion 65c of the submerged steel plate 65 serve as receiving portions for receiving the insertion from the underwater side of the rising portion 67 and the parallel portion 68 of the end portion 15b on the water side of the connecting member 15. . That is, it serves as a connection member fixing portion on the water side to the roof fixing portion 17 on the water side of the connection member 15 . In addition, the upper surface of the lateral surface portion 65c of the water receiving steel plate 65 serves as a receiving portion for receiving the parallel portion 62 of the end portion 14 on the water side of the second roofing material 12 from below.

これに対し、接続部材１５の水上側の端部１５ｂは、第１の屋根葺き材１１の水上側の端部１３とほぼ同様の形状とされており、屋根ユニット５の上部からの作業によって、第２の屋根葺き材１２の水下側の端部１４または端部１４周辺に対し水下側から差し込むようにして設置される差込部などとなっている。そのために、接続部材１５の水上側の端部１５ｂは、屋根下地材２２の上面に当接される接地部６６と、接地部６６の先端部から面直上方へ向かう立上部６７と、立上部６７の上端部から水下側へ向けて延びる平行部６８とを有している。 On the other hand, the end 15b on the water side of the connecting member 15 has substantially the same shape as the end 13 on the water side of the first roofing material 11, and by working from above the roof unit 5, It is an insertion part or the like that is inserted from the underwater side into the edge 14 on the underwater side of the second roofing material 12 or the vicinity of the edge 14 . For this reason, the end portion 15b on the water side of the connecting member 15 includes a grounding portion 66 that abuts on the upper surface of the roof base material 22, a rising portion 67 extending from the tip of the grounding portion 66 directly upward, and a rising portion. and a parallel portion 68 extending from the upper end portion of 67 toward the underwater side.

接地部６６は、バックアップ材３１の先端部よりも水上側となる位置に形成される。接地部６６は、平行部６８とほぼ同じ大きさなどとされる。立上部６７は、水下受鋼板６５の縦面部６５ｂの水下側に位置して、縦面部６５ｂよりも若干低い高さとされる。平行部６８は、水下受鋼板６５の横面部６５ｃよりも下側に位置して、横面部６５ｃよりも若干短く形成される。接地部６６と立上部６７と平行部６８は、接続部材１５の水上側の端部１５ｂを屈曲することなどによって形成されている。 The grounding portion 66 is formed at a position on the water side of the tip portion of the backup material 31 . The ground portion 66 is approximately the same size as the parallel portion 68, or the like. The upright portion 67 is located on the underwater side of the vertical surface portion 65b of the submerged steel plate 65 and has a height slightly lower than the vertical surface portion 65b. The parallel portion 68 is located below the horizontal surface portion 65c of the water receiving steel plate 65 and formed slightly shorter than the horizontal surface portion 65c. The grounding portion 66, the rising portion 67 and the parallel portion 68 are formed by bending the end portion 15b of the connecting member 15 on the water side.

そして、第２の屋根葺き材１２の水下側の端部１４の平行部６２と、水下受鋼板６５の横面部６５ｃと、接続部材１５の水上側の端部１５ｂの平行部６８とは、順番に上下に重ねられた状態でネジなどの固定具２６によって、上方から共締め状態で一体に固定される。 The parallel portion 62 of the waterside end 14 of the second roofing material 12, the lateral surface portion 65c of the water receiving steel plate 65, and the parallel portion 68 of the waterside end 15b of the connecting member 15 are , are stacked one on top of the other, and are integrally fixed from above by a fastener 26 such as a screw.

（８）図７（図８）に示すように、第１の屋根葺き材１１および第２の屋根葺き材１２は、縦葺き材７１としても良い。 (8) As shown in FIG. 7 (FIG. 8), the first roofing material 11 and the second roofing material 12 may be vertical roofing materials 71 .

ここで、縦葺き材７１は、屋根６の傾斜に沿って水上側から水下側へ延びる帯状の長尺材のことである。ユニット建物の場合、縦葺き材７１は、屋根ユニット５の屋根面（屋根下地材２２など）の傾斜方向のほぼ全長に亘る長さのものや、それよりも長いものまたは短いものなどとすることができる。 Here, the vertical roofing material 71 is a strip-shaped elongated material that extends along the slope of the roof 6 from the water side to the water side. In the case of a unit building, the vertical roofing material 71 should have a length covering almost the entire length of the roof surface of the roof unit 5 (roof base material 22, etc.) in the inclination direction, or a longer or shorter one. can be done.

なお、第１の屋根葺き材１１の水上側の端部１３は、第１の屋根葺き材１１が取付けられている屋根ユニット５の屋根下地材２２の水上側の端部よりも、接続部材１５などを設置するのに必要な分だけ短く形成される。また、第２の屋根葺き材１２の水下側の端部１４は、第２の屋根葺き材１２が取付けられている屋根ユニット５の屋根下地材２２の水下側の端部よりも、接続部材１５などを設置するのに必要な分だけ短く形成される。 It should be noted that the water side end 13 of the first roofing material 11 is located closer to the connecting member 15 than the water side end of the roof base material 22 of the roof unit 5 to which the first roofing material 11 is attached. It is formed as short as necessary to install such as. Also, the underwater end 14 of the second roofing material 12 is connected more than the underwater end of the roof base material 22 of the roof unit 5 to which the second roofing material 12 is attached. It is formed as short as necessary to install the member 15 and the like.

そして、縦葺き材７１は、屋根面に対し、横方向に並べて配置される。横方向に隣接する縦葺き材７１の側面間は、図示しない屋根継材などを用いて継がれると共に、屋根継材による継部分は目地カバー部材７５によって覆われている。突出片５１や突出片６１は、目地カバー部材７５よりも高く形成される。 The vertical roofing materials 71 are arranged side by side in the horizontal direction with respect to the roof surface. The laterally adjacent side surfaces of the vertical roofing members 71 are connected by using roof joints (not shown) or the like, and the joints by the roof joints are covered with joint cover members 75 . The protruding piece 51 and the protruding piece 61 are formed higher than the joint cover member 75 .

異なる屋根ユニット５に設置された第１の屋根葺き材１１と第２の屋根葺き材１２とは、互いに横方向の位置を揃えて設置することで、屋根ユニット５を組み立てたときに、屋根６の傾斜方向に連続した状態となるようにするのが好ましい。 The first roofing material 11 and the second roofing material 12 installed on the different roof units 5 are aligned with each other in the lateral direction, so that when the roof unit 5 is assembled, the roof 6 is installed. is preferably continuous in the direction of inclination.

（９）第１の屋根葺き材１１および第２の屋根葺き材１２は、金属製としても良い。 (9) The first roofing material 11 and the second roofing material 12 may be made of metal.

ここで、金属製の第１の屋根葺き材１１および第２の屋根葺き材１２は、どのような材料で形成しても良いが、例えば、フッ素鋼板や塩ビ鋼板やその他の耐水性を有する金属板（耐水鋼板８１）などによって形成するのが好ましい。第１の屋根葺き材１１と第２の屋根葺き材１２は、互いに同じ材質の耐水鋼板８１で形成するのが好ましい。 Here, the first roofing material 11 and the second roofing material 12 made of metal may be made of any material. It is preferably formed by a plate (water-resistant steel plate 81) or the like. The first roofing material 11 and the second roofing material 12 are preferably made of the same water-resistant steel plate 81 as the material.

また、接続部材１５やユニット間接続部材２４についても、第１の屋根葺き材１１および第２の屋根葺き材１２と同じく金属製のものとすることができる。接続部材１５やユニット間接続部材２４も、第１の屋根葺き材１１および第２の屋根葺き材１２と同様に、どのような材料で形成しても良いが、例えば、フッ素鋼板や塩ビ鋼板やその他の耐水性を有する耐水鋼板８１などによって形成するのが好ましい。接続部材１５やユニット間接続部材２４も、第１の屋根葺き材１１および第２の屋根葺き材１２と同じく、互いに同じ材質の耐水鋼板８１で形成するのが好ましい。 The connection member 15 and the inter-unit connection member 24 can also be made of metal, like the first roofing material 11 and the second roofing material 12 . Like the first roofing material 11 and the second roofing material 12, the connection member 15 and the inter-unit connection member 24 may be made of any material. It is preferable to form it with other water-resistant steel plates 81 having water resistance. The connection member 15 and the inter-unit connection member 24 are preferably made of the same water-resistant steel plate 81 as the first roofing material 11 and the second roofing material 12 .

なお、図６に示すように、上記したユニット間接続部材２４は、接続部材１５と同様に、水下側の端部２４ａと、水上側の端部２４ｂと、傾斜面部２４ｃとを有するものとなっており、水下側の端部２４ａには、水切部４１ａが形成され、水上側の端部２４ｂには、接地部６６ａや立上部６７ａや平行部６８ａが形成されている。 As shown in FIG. 6, the inter-unit connection member 24 has an underwater end portion 24a, an underwater end portion 24b, and an inclined surface portion 24c, similarly to the connecting member 15. A draining portion 41a is formed at the end portion 24a on the water side, and a grounding portion 66a, a rising portion 67a and a parallel portion 68a are formed at the end portion 24b on the water side.

ユニット間接続部材２４を隣接する接続部材１５の間に上から重ねて取付けられるようにするために、水切部４１ａは、接続部材１５の水切部４１よりも水下側の位置に干渉しないように形成されている。また、接地部６６ａや立上部６７ａや平行部６８ａは、内側に差し込めるように、接続部材１５の接地部６６や立上部６７や平行部６８よりも若干小さく形成されている。ユニット間接続部材２４は、図９、図１０に示すようにして、屋根ユニット５の上側からの作業によって、隣接する接続部材１５間に、上方から設置され上方から固定される。 In order to stack the inter-unit connecting member 24 between the adjacent connecting members 15 from above, the draining portion 41a is arranged so as not to interfere with the position of the connecting member 15 below the draining portion 41. formed. Further, the grounding portion 66a, the rising portion 67a and the parallel portion 68a are formed slightly smaller than the grounding portion 66, the rising portion 67 and the parallel portion 68 of the connection member 15 so that they can be inserted inside. As shown in FIGS. 9 and 10, the inter-unit connection member 24 is installed and fixed from above between the adjacent connection members 15 by working from above the roof unit 5 .

＜作用＞以下、この実施例の作用について説明する。 <Action> The action of this embodiment will be described below.

建物本体４の上部に設置された水下側の屋根ユニット５の第１の屋根葺き材１１と、水上側の屋根ユニット５の第２の屋根葺き材１２とを接続部材１５で接続する場合、まず、図７に示すように、第１の屋根葺き材１１の水上側の端部１３と、第２の屋根葺き材１２の水下側の端部１４との間の位置に、バックアップ材３１を設置する。バックアップ材３１は、水下側の端部を水上受鋼板５４に当てるようにして設置する。 When connecting the first roofing material 11 of the roof unit 5 on the water side installed on the upper part of the building body 4 and the second roofing material 12 of the roof unit 5 on the water side with the connection member 15, First, as shown in FIG. 7, a backup material 31 is placed between the waterside end 13 of the first roofing material 11 and the waterside end 14 of the second roofing material 12 . to be installed. The backup material 31 is installed so that the end on the underwater side is brought into contact with the water receiving steel plate 54 .

次に、接続部材１５を、第１の屋根葺き材１１の水上側の端部１３と、第２の屋根葺き材１２の水下側の端部１４との間の位置に設置する。この際、接続部材１５は、水上側の端部１５ｂを、第２の屋根葺き材１２の水下側の端部１４、および、水下受鋼板６５に、水下側から差し込むようにして設置する。また、接続部材１５は、水上側の端部１５ａを、第１の屋根葺き材１１の水上側の端部１３、および水上受鋼板５４の上に載置する。 Next, the connecting member 15 is installed at a position between the water side end 13 of the first roofing material 11 and the water side end 14 of the second roofing material 12 . At this time, the connecting member 15 is installed such that the water side end 15b is inserted into the water side end 14 of the second roofing material 12 and the water receiving steel plate 65 from the water side. do. In addition, the connecting member 15 has the water side end 15 a placed on the water side end 13 of the first roofing material 11 and the water receiving steel plate 54 .

そして、図８に示すように、接続部材１５の水上側の端部１５ｂの屋根固定部１７をリベットなどの固定具２６で上方から第２の屋根葺き材１２の水下側の端部１４、および、水下受鋼板６５に固定する。 Then, as shown in FIG. 8, the roof fixing portion 17 of the water side end portion 15b of the connecting member 15 is fixed from above with a fixture 26 such as a rivet, and the water side end portion 14 of the second roofing material 12 is attached. And, it is fixed to the water receiving steel plate 65 .

次に、図９に示すように、隣接する接続部材１５の端部間に、上から変性シリコーンなどのコーキング材９１による連続したコーキングを施す。そして、図１０に示すように、隣接する接続部材１５の端部間に、接続部材１５と同様にして、ユニット間接続部材２４を上方から屋根ユニット５間に跨るように設置し、リベットなどの固定具２６で上方から水上側の端部２４ｂや水下側の端部２４ａなどを接続部材１５などに取付ける。 Next, as shown in FIG. 9, continuous caulking is applied from above between the ends of the adjacent connecting members 15 with a caulking material 91 such as modified silicone. Then, as shown in FIG. 10, between the ends of the adjacent connecting members 15, in the same manner as the connecting members 15, an inter-unit connecting member 24 is installed so as to straddle the roof units 5 from above, and a rivet or the like is installed. The end portion 24b on the water side and the end portion 24a on the water side are attached to the connection member 15 and the like from above with the fixtures 26 .

最後に、ネジなどの固定具２５を用いて、接続部材１５の水下側の端部１５ａや、ユニット間接続部材２４の水下側の端部２４ａなどを第１の屋根葺き材１１の水上側の端部１３、および、水上受鋼板５４に上方から固定する。 Finally, using fasteners 25 such as screws, the underwater end 15a of the connecting member 15 and the underwater end 24a of the inter-unit connecting member 24 are attached to the first roofing material 11 above the water. It is fixed to the side end 13 and the water receiving steel plate 54 from above.

以上により、屋根６の上側からの作業によって、第１の屋根葺き材１１と第２の屋根葺き材１２とが接続部材１５で接続される。 As described above, the first roofing material 11 and the second roofing material 12 are connected by the connection member 15 by working from the upper side of the roof 6 .

＜効果＞この実施例によれば、以下のような効果を得ることができる。 <Effects> According to this embodiment, the following effects can be obtained.

（効果１）第１の屋根葺き材１１と第２の屋根葺き材１２とを接続部材１５で接続しても良い。これにより、接続部材１５が、接続用屋根葺き材になるため、第１の屋根葺き材１１の水上側の端部１３と第２の屋根葺き材１２の水下側の端部１４とを接続部材１５で容易に繋ぐことができる。 (Effect 1) The first roofing material 11 and the second roofing material 12 may be connected by the connecting member 15 . As a result, the connecting member 15 serves as a connecting roofing material, thereby connecting the waterside end 13 of the first roofing material 11 and the waterside end 14 of the second roofing material 12 . The member 15 can be easily connected.

この際、接続部材１５が、屋根固定部１６，１７を有することで、第１の屋根葺き材１１の水上側の端部１３周辺、および、第２の縦葺き材７１の水下側の端部周辺を、屋根固定部１６，１７によって表面側（上側）から固定することなどが可能になる。これによって、第１の屋根葺き材１１と第２の屋根葺き材１２との間の接続構造を簡易化して、接続部材１５を簡単、確実に取付けることが可能になる。 At this time, since the connection member 15 has the roof fixing portions 16 and 17, the water-side end portion 13 of the first roofing material 11 and the water-side end of the second vertical roofing material 71 can be secured. It is possible to fix the periphery of the roof from the surface side (upper side) by the roof fixing parts 16 and 17 . This simplifies the connecting structure between the first roofing material 11 and the second roofing material 12 and makes it possible to attach the connecting member 15 simply and reliably.

（効果２）接続部材１５は、第１の屋根葺き材１１の上面１１ａ側に位置されても良い。これにより、接続部材１５の雨水を第１の屋根葺き材１１の上面１１ａ側へと導くことができる。よって、第１の屋根葺き材１１の下側に雨水が入り込むことを防止できる。 (Effect 2) The connection member 15 may be positioned on the upper surface 11a side of the first roofing material 11 . Thereby, the rainwater of the connection member 15 can be led to the upper surface 11a side of the first roofing material 11 . Therefore, it is possible to prevent rainwater from entering the lower side of the first roofing material 11 .

（効果３）接続部材１５は、第２の縦葺き材７１の下面側に位置されても良い。これにより、第２の屋根葺き材１２の雨水を接続部材１５の上面側へと導くことができる。よって、接続部材１５の下側に雨水が入り込むことを防止できる。 (Effect 3) The connection member 15 may be positioned on the lower surface side of the second vertical roofing material 71 . As a result, rainwater on the second roofing material 12 can be guided to the upper surface side of the connecting member 15 . Therefore, it is possible to prevent rainwater from entering the lower side of the connection member 15 .

（効果４）接続部材１５は、水切部４１を有しても良い。これにより、接続部材１５の雨水を、水切部４１によって水切りすることができる。 (Effect 4) The connecting member 15 may have a draining portion 41 . As a result, rainwater on the connecting member 15 can be drained by the draining portion 41 .

（効果５）水切部４１は、第１の屋根葺き材１１の水上側の端部１３よりも水下側の位置に設置しても良い。これにより、接続部材１５に付着した雨水を、水切部４１によって、第１の屋根葺き材１１の水上側の端部１３よりも水下側の位置で水切りすることができる。また、水切部４１は、第１の屋根葺き材１１の上面１１ａに向けて下方へ突出されても良い。これにより、接続部材１５に付着した雨水を、水切部４１によって、第１の屋根葺き材１１の上面１１ａで水切りすることができる。そのため、水切部４１で水切りされた雨水が第１の屋根葺き材１１の下側へ入り込むことを防止できる。 (Effect 5) The draining part 41 may be installed at a position below the water side of the end part 13 of the first roofing material 11 above the water side. As a result, rainwater adhering to the connection member 15 can be drained by the draining part 41 at a position below the water side of the end 13 of the first roofing material 11 . Alternatively, the draining portion 41 may protrude downward toward the upper surface 11 a of the first roofing material 11 . As a result, the rainwater adhering to the connecting member 15 can be drained on the upper surface 11 a of the first roofing material 11 by the draining portion 41 . Therefore, it is possible to prevent rainwater drained by the draining part 41 from entering the lower side of the first roofing material 11 .

（効果６）第１の屋根葺き材１１は、水上側の端部に突出片５１を有しても良い。これにより、突出片５１に接続部材１５の水下側の端部１５ａを上から載せて上方から固定することができるようになり、接続部材１５を取付ける作業を容易化することができる。 (Effect 6) The first roofing material 11 may have a protruding piece 51 at the end on the water side. As a result, the underwater end 15a of the connecting member 15 can be placed on the protruding piece 51 and fixed from above, and the work of attaching the connecting member 15 can be facilitated.

（効果７）第２の屋根葺き材１２は、水下側の端部１４に突出片６１を有しても良い。これにより、突出片６１に接続部材１５の水上側の端部１５ｂを水下側から差し込んで上方から固定することができるようになり、接続部材１５を取付ける作業を容易化することができる。 (Effect 7) The second roofing material 12 may have a projecting piece 61 at the end 14 on the underwater side. As a result, the underwater end 15b of the connecting member 15 can be inserted into the protruding piece 61 from the underwater side and fixed from above, and the work of attaching the connecting member 15 can be facilitated.

（効果８）第１の屋根葺き材１１および第２の縦葺き材７１は、縦葺き材７１としても良い。これにより、第１の屋根葺き材１１と第２の縦葺き材７１とを、接続部材１５を介して、水上側から水下側に沿って連続した見栄えの良いものとすることができる。また、雨水を第１の屋根葺き材１１から接続部材１５を介して第２の屋根葺き材１２へと連続的に流下させることができる。 (Effect 8) The first roofing material 11 and the second vertical roofing material 71 may be the vertical roofing material 71 . As a result, the first roofing material 11 and the second vertical roofing material 71 can be made continuous from the water side to the water side via the connecting member 15 and have a good appearance. In addition, rainwater can continuously flow down from the first roofing material 11 to the second roofing material 12 via the connecting member 15 .

（効果９）第１の屋根葺き材１１および第２の屋根葺き材１２は、金属製としても良い。これにより、第１の屋根葺き材１１および第２の屋根葺き材１２に高い耐水性や耐久性を持たせることができる。 (Effect 9) The first roofing material 11 and the second roofing material 12 may be made of metal. This allows the first roofing material 11 and the second roofing material 12 to have high water resistance and durability.

１１第１の屋根葺き材
１１ａ上面
１２第２の屋根葺き材
１２ｂ下面
１３水上側の端部
１４水下側の端部
１５接続部材
１６屋根固定部
１７屋根固定部
４１水切部
５１突出片
６１突出片
７１縦葺き材
８１耐水鋼板 REFERENCE SIGNS LIST 11 first roofing material 11a upper surface 12 second roofing material 12b lower surface 13 end above water 14 end below water 15 connecting member 16 roof fixing part 17 roof fixing part 41 draining part 51 protruding piece 61 protruding Piece 71 Vertical roofing material 81 Waterproof steel plate

Claims

水下側に位置する第１の屋根葺き材と、該第１の屋根葺き材の水上側に配置される第２の屋根葺き材と、前記第１の屋根葺き材の水上側の端部と前記第２の屋根葺き材の水下側の端部との間を接続する接続部材とを備え、該接続部材は、前記第１の屋根葺き材の水上側の端部周辺、および、前記第２の屋根葺き材の水下側の端部周辺に対して表面側から固定可能な屋根固定部を有し、前記接続部材は、水切部を有していることを特徴とする屋根構造。 a first roofing material located on the water side; a second roofing material located on the water side of the first roofing material; and an edge of the first roofing material on the water side. a connecting member connecting between the underwater end of the second roofing material and the connecting member around the waterside end of the first roofing material and the first roofing material. 2. A roof structure characterized in that it has a roof fixing part that can be fixed from the surface side to the periphery of the underwater end part of the roofing material of 2, and the connecting member has a draining part .

前記水切部は、前記第１の屋根葺き材の水上側の端部よりも水下側に位置すると共に、前記第１の屋根葺き材の上面に向けて下方へ突出されていることを特徴とする請求項１に記載の屋根構造。 The draining portion is positioned below the water side of the water side end of the first roofing material, and protrudes downward toward the upper surface of the first roofing material. The roof structure according to claim 1 .