JP4021297B2 - Water stop structure - Google Patents

Water stop structure Download PDF

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Publication number
JP4021297B2
JP4021297B2 JP2002294613A JP2002294613A JP4021297B2 JP 4021297 B2 JP4021297 B2 JP 4021297B2 JP 2002294613 A JP2002294613 A JP 2002294613A JP 2002294613 A JP2002294613 A JP 2002294613A JP 4021297 B2 JP4021297 B2 JP 4021297B2
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Japan
Prior art keywords
panel
water stop
exterior material
water
exterior
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Expired - Fee Related
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JP2002294613A
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Japanese (ja)
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JP2004131941A (en
Inventor
研治 野田
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Asahi Kasei Construction Materials Corp
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Asahi Kasei Construction Materials Corp
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Priority to JP2002294613A priority Critical patent/JP4021297B2/en
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Description

【0001】
【発明の属する技術分野】
本発明は、建物の外装構造に組み込まれる止水材を取付けた止水構造に関する。
【0002】
【従来の技術】
従来、建物の開口上側縁を構成するにあたり、その止水構造は、例えば、特許第3237009号や松下電工カタログP213(2001)に提案されている。その従来の建物の外壁面を形成する開口上側縁の止水材及びその取付構造の一例を図5を用いて説明する。図5の(a)、(b)は、それぞれ従来の止水構造を示している。図に示すように、これ等の止水構造では開口上側縁2の上部において外装材パネル1の下端部において開口上側縁2との隙間5を設け、51aのような直方体形状のものや51bに示す丸型形状のバックアップ材を奥部へ介入させた後、通常はシーリング材等6が充填され、見栄えを良くするとともに隙間5からの雨水や埃塵等の浸入を防ぐようにしている。
【0003】
そして、外装材パネル1と下地材7との間に設けられた空間4の連結部等から雨水が浸入した場合に備えて、隙間5において部分的に排水空間を設けることがある。
前述の特許第3237009号の図1に記載されているように、防水シートに傾斜をもたせて雨水等を前面側に流下させる構成となっている場合もある。
【0004】
しかしながら、これらの形状では外装材パネル1と下地材7の間の空間4へ外装材パネル1どうしの連結部等から雨水等が浸入した場合には、開口上側縁は地盤面に対し平行になっているため、流下した雨水が空間4内に滞留しやすいだけでなく、屋内側への漏水の問題等を発生させる可能性が高い。これらの問題は空間4を有しない構造であっても同様に発生する可能性が高い。
【0005】
前述の止水材構成において雨水の滞留防止のために排水空間を設けることがあるが、バックアップ材形状が直方体形状51aや丸型形状51bである限り、上記の課題を完全に解決するものではないだけでなく、排水空間から風雨の吹き込みが発生して、問題を増幅させることにもつながっている。
前述の特許第3237009号の図1に記載されている防水シート61に傾斜をもたせる構成(図6(a))であっても、最下部にバックアップ材51aや51bがある限り、適切に雨水を排出させることは不可能であるだけでなく、破れやすい素材である防水シート61を空間部に浮かせているため、その防水シート61に穴が開いたり破れた際(図6(b))は、更なる問題が発生する。
【0006】
【特許文献1】
特許第3237009号公報
【0007】
【発明が解決しようとする課題】
本発明は、外装材パネル裏面に浸入した雨水等を適切に止水及び排水し、かつ排水空間からの雨水の吹き込みを防止し、屋内側への漏水を回避する止水構造を提供することを目的とする。
【0008】
【課題を解決するための手段】
本願発明者は、開口上側縁においての止水構造について検討の結果、雨水等を適切に止水及び排水し、かつ排水空間からの雨水の吹き込みを防止しうる、簡易な止水構造の知見を得、本発明を完成した。すなわち、本発明は下記の通りである。
1.外装材パネル下端面とその下方に位置する開口上側縁との間の隙間をシーリング防水する止水構造であって、外装材パネル裏面と下地材との間に空間部を有する外装材構造の開口上側縁の上部空間部に配置される伸縮性を有する止水材は、外装材パネル側の高さが下地材側の高さよりも低くなる勾配を有し、外装材パネルは、外装材パネル下端面が止水材の勾配部に近接するように設置され、隙間には部分的に排水空間が設けられていることを特徴とする止水構造。
2.排水空間部分に、排水溝を有する化粧部材を設置することを特徴とする1.に記載の止水構造。
【0009】
また、本発明に係る止水構造は、前面側(外装材パネル側)に勾配を有する簡単な構造の止水材を開口上側縁上部に使用して簡易に止水を行う構造である。
【0010】
【発明の実施の形態】
以下、本発明について、特にその好ましい態様を中心に、詳しく説明する。
本発明の止水構造に、用いられる止水材は、前面側(外装材パネル側)に勾配を有する簡単な構造であり、材質は適度な伸縮性を有することが好ましい。また、止水材底面側に両面粘着テープと剥離紙が貼着されていることが好ましい。
上記構成とすることにより、外装材パネルの取付けを行う際に発生する誤差や、地震等の振動により該外装材パネルにおいて上下方向に位置ずれ等が発生した場合においても、該外装材パネルを損傷させることなく性能を維持させることが可能である。
【0011】
また、本発明の止水構造は、上記止水材を用い、外装材パネル下端面と開口上側縁との間の隙間にはシーリング材を充填する構造であるが、部分的に空間を設けるためシーリング材を充填しない部分を確保し、排水空間を確保することを特徴とする。
これにより、外装材パネルの裏面側に浸入した雨水は止水材が勾配を有することにより、排水空間から確実に外部へ排出することが可能となり、漏水等の問題がない。更に、風雨の吹き込みが発生した場合も、下地材側の高さは吹き込みに対し有効な高さを確保すれば、室内側へ浸入することなく浸入水は止水材の勾配部で食い止められ、風雨が静まった時点で勾配に沿って再度排水される構成となっている。
【0012】
また、止水構造の施工は、該止水材を施工後に外装材パネルを施工し、外装材パネル施工後に外装材パネル下端面と開口上側縁との間の隙間にシーリング材を充填(部分的に充填をしない隙間部を設ける)することが好ましく、その際に発生する隙間部には美観上の観点から排水可能な溝を有した化粧部材を設けてもよい。また、その化粧部材は両面粘着テープと剥離紙が貼着されていることが好ましい。
【0013】
図により本発明に係る止水材を用いた止水構造の一実施例を具体的に説明する。図1は本発明に係る止水材を用いた止水構造の例の構成を示す断面説明図、図2は図1の例の構成を示す斜視説明図である。
【0014】
先ず、図1及び図2を用いて本発明に係る止水構造の例について説明する。図1及び図2において、3はALC(軽量気泡コンクリート)パネル、押出成形パネル、窯業系サイディング材等の外装材パネル1と開口上側縁2上部との間に、配設する止水材である。
開口上側縁2上に止水材3を配設し、外装材パネル1を外装材パネル1の下端面が止水材3の勾配部に近接するように張付けする。その後、外装材パネル1と開口上側縁2との間に設けた隙間5にシーリング材6を充填する。また、図2に示すようにシーリング材6充填箇所には部分的にシーリング材を充填しない排水空間7を設ける。
【0015】
次に図3及び図4を用いて本発明に係る止水構造の例について説明する。図3は本発明の化粧部材8の例を示す図であり、図3の(A)は化粧部材8の斜視図、図3の(B)は化粧部材の上面図、図3の(C)は化粧部材8の正面図、図3の(D)は化粧部材8の下面図、図3の(E)は化粧部材の側面図である。図4は別の止水構造の例を示す斜視説明図である。
【0016】
図2の実施形態では、外装材パネル3と開口上側縁2との間に設けた隙間5に部分的にシーリング材を充填しない排水空間7を設けた一例であるが、本実施形態では、前記排水空間に排水可能な溝を有した化粧部材8を配設したものである。前記化粧部材8は下面に複数個の水溝9・10を有しており止水材3を流下してきた雨水等は後面溝10から入り、前面溝9から屋外に適切に排出することを可能としている。また、前記化粧部材8の上面には傾斜部11を有しており、シーリング材の充填も可能である。
【0017】
また、化粧部材の下地材側の一部には凸部12が設けられている。これは、止水材の勾配に沿って流れてくる水を、化粧部材がせき止めない様に部分的に凸部を設け、図4に示す後面溝10から前面溝9への水道を確保する為のものである。
これにより、簡易な形状の化粧部材で十分な排水機能を確保することができ、美観上の問題も解決することが出来る。
【0018】
【発明の効果】
本発明は、上述の如き構成と作用を有するので、止水材を開口上側縁に配設するだけで外装材パネル裏面に浸入した雨水等を適切に排水することが出来、排水空間部分からの雨水の吹き込みを防ぐことも可能である。
また、排水空間部分において、排水可能な溝を有した化粧部材を取り付けることも可能であり、美観の確保も可能である。
本実施形態において、空間4を有している壁体構成について述べてきたが、空間4が実質的に無い場合でも、同様の効果を得ることが出来る。
【図面の簡単な説明】
【図1】止水構造の例を示す縦断面図である。
【図2】止水構造の例を示す斜視図である。
【図3】化粧部材の例を示す図であり、(A)は斜視図、(B)は上面図、(C)は正面図、(D)は側面図、(E)は下面図である。
【図4】止水構造の別の例を示す図であり、(a)は斜視図、(b)は止水材と化粧部材の側面図、(c)は止水材と化粧部材の上面図である。
【図5】(a)、(b)は従来技術の止水構造の例を示す縦断面図である。
【図6】(a)、(b)は従来技術の問題点を説明する図である。
【符号の説明】
1・・・外装材パネル
2・・・開口上側縁
3・・・止水材
4・・・空間部
5・・・隙間
6・・・シーリング材
7・・・排水空間
8・・・化粧部材
9・・・前面溝
10・・・後面溝
11・・・傾斜部
12・・・凸部
51a・・・バックアップ材
51b・・・バックアップ材
61・・・防水シート
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a water-stopping structure to which a water-stopping material incorporated in a building exterior structure is attached .
[0002]
[Prior art]
Conventionally, in constructing the upper edge of the opening of a building, the water-stop structure has been proposed in, for example, Japanese Patent No. 3237009 and Matsushita Electric Works catalog P213 (2001). An example of the water-stopping material on the upper edge of the opening that forms the outer wall surface of the conventional building and its mounting structure will be described with reference to FIG. (A), (b) of FIG. 5 has each shown the conventional water stop structure. As shown in the figure, in these water-stop structures, a gap 5 is formed between the upper edge 2 of the opening and the upper edge 2 of the exterior material panel 1 at the lower end of the exterior panel 1, and a rectangular parallelepiped shape such as 51a or 51b is provided. After the round-shaped backup material shown in the figure is intervened in the back, the sealing material or the like 6 is usually filled to improve the appearance and prevent intrusion of rainwater or dust from the gap 5.
[0003]
A drainage space may be partially provided in the gap 5 in case rainwater enters from a connecting portion of the space 4 provided between the exterior material panel 1 and the base material 7.
As described in FIG. 1 of the above-mentioned Japanese Patent No. 3233709, the waterproof sheet may be inclined so that rainwater or the like flows down to the front side.
[0004]
However, in these shapes, when rainwater or the like enters the space 4 between the exterior material panel 1 and the base material 7 from the connecting portion of the exterior material panels 1 or the like, the upper edge of the opening is parallel to the ground surface. Therefore, the rainwater that has flowed down is not only likely to stay in the space 4, but also has a high possibility of causing problems such as water leakage to the indoor side. These problems are likely to occur even in a structure that does not have the space 4.
[0005]
Although the drainage space may be provided in order to prevent the rainwater from staying in the above-described waterstop material configuration, the above-described problem is not completely solved as long as the backup material shape is the rectangular parallelepiped shape 51a or the round shape 51b. Not only that, the blowing of wind and rain from the drainage space has led to the amplification of the problem.
Even in the configuration in which the waterproof sheet 61 described in FIG. 1 of the aforementioned Japanese Patent No. 3233709 is inclined (FIG. 6A), as long as the backup material 51a or 51b is present at the lowermost part, rainwater is appropriately discharged. Not only is it impossible to discharge, but since the waterproof sheet 61, which is a material that is easily torn, is floated in the space, when the hole is opened or broken in the waterproof sheet 61 (FIG. 6B), Further problems arise.
[0006]
[Patent Document 1]
Japanese Patent No. 3233709 [0007]
[Problems to be solved by the invention]
The present invention provides a water stop structure that appropriately stops and drains rainwater and the like that has entered the back of the exterior panel, prevents rainwater from blowing into the drainage space, and prevents water leakage to the indoor side. Objective.
[0008]
[Means for Solving the Problems]
As a result of studying the water stop structure at the upper edge of the opening, the inventor of the present application has obtained knowledge of a simple water stop structure that can appropriately stop and drain rain water and the like and prevent the rain water from being blown from the drainage space. And the present invention was completed. That is, the present invention is as follows.
1. A waterproof structure that seals and waterproofs the gap between the lower end surface of the exterior material panel and the upper edge of the opening located below the exterior material panel, and the opening of the exterior material structure having a space between the back surface of the exterior material panel and the base material The stretchable waterproofing material placed in the upper space of the upper edge has a gradient in which the height on the exterior material panel side is lower than the height on the base material side, and the exterior material panel is located under the exterior material panel. A water stop structure, characterized in that the end face is installed so as to be close to the slope portion of the water stop material, and a drainage space is partially provided in the gap.
2. 1. A decorative member having a drainage groove is installed in the drainage space. The water stop structure described in 1.
[0009]
Moreover, the water stop structure which concerns on this invention is a structure which uses the water stop material of the simple structure which has a gradient in the front side (exterior material panel side) for an opening upper edge upper part, and performs water stop easily.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described in detail mainly focusing on preferred embodiments thereof.
The water-stopping material used in the water-stopping structure of the present invention is a simple structure having a gradient on the front side (exterior material panel side), and the material preferably has moderate stretchability. Moreover, it is preferable that the double-sided adhesive tape and the release paper are stuck on the bottom surface side of the water stop material.
With the above configuration, the exterior panel is damaged even when an error occurs when the exterior panel is mounted, or when a vertical displacement occurs in the exterior panel due to vibration such as an earthquake. It is possible to maintain the performance without causing it.
[0011]
Further, the water stop structure of the present invention is a structure in which the above water stop material is used, and a gap between the lower end surface of the exterior panel and the upper edge of the opening is filled with a sealing material, but a space is partially provided. A part that is not filled with a sealing material is secured, and a drainage space is secured.
As a result, rainwater that has entered the back side of the exterior material panel can be reliably discharged outside from the drainage space due to the gradient of the water-stopping material, and there is no problem such as water leakage. In addition, even when wind and rain blowing occurs, if the height on the base material side is secured to an effective height against blowing, the intruding water is stopped by the slope of the water blocking material without entering the indoor side, It is configured to drain again along the gradient when the wind and rain has calmed down.
[0012]
In addition, the construction of the water-stopping structure is carried out by installing the exterior material panel after installing the water-stopping material, and filling the sealing material in the gap between the exterior material panel lower end surface and the upper edge of the opening after the construction of the exterior material panel (partial It is preferable to provide a gap portion that is not filled), and the gap portion generated at that time may be provided with a decorative member having a groove that can be drained from an aesthetic point of view. Moreover, it is preferable that the decorative member has a double-sided adhesive tape and a release paper attached.
[0013]
An example of a water stop structure using the water stop material according to the present invention will be specifically described with reference to the drawings. FIG. 1 is a cross-sectional explanatory view showing the configuration of an example of a water stop structure using the water stop material according to the present invention, and FIG. 2 is a perspective explanatory view showing the configuration of the example of FIG.
[0014]
First, the example of the water stop structure which concerns on this invention using FIG.1 and FIG.2 is demonstrated. 1 and 2, reference numeral 3 denotes a water-stop material disposed between an exterior material panel 1 such as an ALC (lightweight cellular concrete) panel, an extruded panel, a ceramic siding material, and the upper portion of the opening upper edge 2. .
The waterproof material 3 is disposed on the upper edge 2 of the opening, and the exterior material panel 1 is stretched so that the lower end surface of the exterior material panel 1 is close to the slope portion of the waterproof material 3 . Thereafter, the sealing material 6 is filled into the gap 5 provided between the exterior material panel 1 and the upper edge 2 of the opening. In addition, as shown in FIG. 2, a drainage space 7 that is not partially filled with the sealing material 6 is provided at a place where the sealing material 6 is filled.
[0015]
Next, the example of the water stop structure based on this invention is demonstrated using FIG.3 and FIG.4. FIG. 3 is a view showing an example of the decorative member 8 of the present invention. FIG. 3A is a perspective view of the decorative member 8, FIG. 3B is a top view of the decorative member, and FIG. 3 is a front view of the decorative member 8, FIG. 3D is a bottom view of the decorative member 8, and FIG. 3E is a side view of the decorative member. FIG. 4 is an explanatory perspective view showing another example of the water stop structure.
[0016]
2 is an example in which a drainage space 7 that is not partially filled with a sealing material is provided in the gap 5 provided between the exterior material panel 3 and the upper edge 2 of the opening, A decorative member 8 having a groove capable of draining is disposed in the drainage space. The decorative member 8 has a plurality of water grooves 9 and 10 on the lower surface, and rain water or the like flowing down the water-stopping material 3 enters from the rear groove 10 and can be discharged appropriately from the front groove 9 to the outdoors. It is said. Further, the decorative member 8 has an inclined portion 11 on the upper surface, and can be filled with a sealing material.
[0017]
Moreover, the convex part 12 is provided in a part of the base material side of the decorative member. This is because in order to secure the water supply from the rear groove 10 to the front groove 9 shown in FIG. belongs to.
Thereby, a sufficient drainage function can be ensured with a simple-shaped decorative member, and aesthetic problems can also be solved.
[0018]
【The invention's effect】
Since the present invention has the above-described configuration and action, it is possible to appropriately drain rainwater or the like that has entered the back of the exterior panel simply by disposing the waterstop material on the upper edge of the opening. It is also possible to prevent rainwater from blowing.
In addition, it is possible to attach a decorative member having a drainable groove in the drainage space, and it is possible to ensure aesthetics.
In the present embodiment, the wall structure having the space 4 has been described, but the same effect can be obtained even when the space 4 is substantially absent.
[Brief description of the drawings]
FIG. 1 is a longitudinal sectional view showing an example of a water stop structure.
FIG. 2 is a perspective view showing an example of a water stop structure.
FIGS. 3A and 3B are diagrams showing examples of decorative members, FIG. 3A is a perspective view, FIG. 3B is a top view, FIG. 3C is a front view, FIG. 3D is a side view, and FIG. .
4A and 4B are diagrams showing another example of the water stop structure, in which FIG. 4A is a perspective view, FIG. 4B is a side view of the water stop material and the decorative member, and FIG. FIG.
FIGS. 5A and 5B are longitudinal sectional views showing an example of a conventional water stop structure. FIGS.
FIGS. 6A and 6B are diagrams for explaining problems of the prior art.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Exterior material panel 2 ... Opening upper edge 3 ... Water stop material 4 ... Space part 5 ... Crevice 6 ... Sealing material 7 ... Drainage space 8 ... Cosmetic member DESCRIPTION OF SYMBOLS 9 ... Front surface groove | channel 10 ... Rear surface groove | channel 11 ... Inclination part 12 ... Convex part 51a ... Backup material 51b ... Backup material 61 ... Waterproof sheet

Claims (2)

外装材パネル下端面とその下方に位置する開口上側縁との間の隙間をシーリング防水する止水構造であって、外装材パネル裏面と下地材との間に空間部を有する外装材構造の開口上側縁の上部空間部に配置される伸縮性を有する止水材は、外装材パネル側の高さが下地材側の高さよりも低くなる勾配を有し、前記外装材パネルは、該外装材パネル下端面が前記止水材の勾配部に近接するように設置され、前記隙間には部分的に排水空間が設けられていることを特徴とする止水構造。A waterproof structure that seals and waterproofs the gap between the lower end surface of the exterior material panel and the upper edge of the opening positioned below the exterior material panel, and the opening of the exterior material structure having a space between the back surface of the exterior material panel and the base material The waterstop material having elasticity that is disposed in the upper space portion of the upper edge has a gradient in which the height on the exterior material panel side is lower than the height on the base material side, and the exterior material panel is provided with the exterior material A water stop structure, wherein a lower end surface of the panel is installed so as to be close to a slope portion of the water stop material, and a drainage space is partially provided in the gap. 前記排水空間部分に、排水溝を有する化粧部材を設置することを特徴とする請求項1に記載の止水構造。The waterproof structure according to claim 1, wherein a decorative member having a drain groove is installed in the drain space portion.
JP2002294613A 2002-10-08 2002-10-08 Water stop structure Expired - Fee Related JP4021297B2 (en)

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Publication number Priority date Publication date Assignee Title
JP4925413B2 (en) * 2006-03-15 2012-04-25 フクビ化学工業株式会社 Drainage tool for outer wall
JP5943715B2 (en) * 2012-05-31 2016-07-05 タキロン株式会社 Opening structure
JP7281255B2 (en) * 2018-08-10 2023-05-25 ニチハ株式会社 drainer
JP7224815B2 (en) * 2018-09-05 2023-02-20 ニチハ株式会社 Wall structure and wall construction method

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