JPH0893086A - Waterproof connecting structure for longitudinal joint of exterior wall material - Google Patents
Waterproof connecting structure for longitudinal joint of exterior wall materialInfo
- Publication number
- JPH0893086A JPH0893086A JP25889194A JP25889194A JPH0893086A JP H0893086 A JPH0893086 A JP H0893086A JP 25889194 A JP25889194 A JP 25889194A JP 25889194 A JP25889194 A JP 25889194A JP H0893086 A JPH0893086 A JP H0893086A
- Authority
- JP
- Japan
- Prior art keywords
- wall
- waterproof sheet
- joint
- pillar
- column
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Finishing Walls (AREA)
- Building Environments (AREA)
- Load-Bearing And Curtain Walls (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は外壁材の縦目地防水接
続構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vertical joint waterproof connection structure for outer wall materials.
【０００２】[0002]
【従来の技術】従来、建築物外壁の構造は、図３に示す
ように、柱Ａの側面に壁面Ｂの下地防水シートＣを柱Ａ
の側面に貼付けて下地処理を行い、次いで柱Ａの側面に
壁板Ｅ、Ｅを縦目地ジョイナーＦを介して目地隙間Ｇを
あけて接合固定し、この目地隙間Ｇ部分にシーリング材
Ｋを充填した構造、あるいは図４に示すように、同様に
下地処理された下地防水シートＣ上に、予め目地隙間Ｇ
ができるように接合段部Ｈを有する壁板Ｅ、Ｅを縦目地
ジョイナーを介することなく接合固定し、この目地隙間
Ｇ部分にシーリング材Ｋを充填した構造とされていた。2. Description of the Related Art Conventionally, as shown in FIG. 3, a structure of an outer wall of a building has a base waterproof sheet C of a wall B on a side surface of the pillar A.
The base plate is attached to the side surface of the column A, and then the wall boards E, E are jointed and fixed to the side surface of the pillar A through the joint joint F with the joint gap G, and the joint gap G is filled with the sealing material K. As shown in FIG. 4, or on the base waterproof sheet C that has been similarly ground-treated, the joint gap G is formed in advance.
In this structure, the wall plates E and E having the joining step portion H are joined and fixed without a vertical joint joiner so that the joint gap G is filled with the sealing material K.
【０００３】[0003]
【従来技術の問題点】ところで、上記壁板の縦目地接続
構造は、柱Ａの側面における下地防水シートＣが単層と
なるため、壁板を固定する釘を打ち込むことにより、あ
るいは施工上の不注意など何らかの原因で破口が生じる
と下地防水シート裏面に雨水などが浸透し易い欠点があ
った。[Problems of the Prior Art] In the vertical joint connection structure of the wall plate, since the base waterproof sheet C on the side surface of the pillar A is a single layer, it is necessary to drive a nail for fixing the wall plate or in construction. If there is a breakage due to some reason such as carelessness, there is a drawback that rainwater and the like easily penetrate into the back surface of the base waterproof sheet.
【０００４】また壁板Ｅの目地隙間Ｇに充填されるシー
リング材Ｋは、壁板Ｅが収縮変形した場合、図５に示す
ように簡単に目地切れを生じ、この隙間Ｍから漏水する
問題があった。Further, the sealing material K filled in the joint gap G of the wall plate E has a problem that when the wall plate E contracts and deforms, the joint easily breaks as shown in FIG. there were.
【０００５】もっとも、このような問題を解消するた
め、目地切れの原因となる、いわゆる三面接着を防止す
るため、目地隙間Ｇの底面部分だけシーリング材Ｋと接
着を防止する剥離処理などが施されるが、シーリング材
Ｋの弾性が壁板Ｅの収縮率に対応できなければ目地切れ
は完全に防止できない問題があった。従って、従来の建
築物の壁板の縦目地は目地切れと下地防水シートの貼付
け状態の不完全の両者から水漏れを生じやすく、また水
漏れを生じると簡単に下地柱まで浸透水が浸透し易い問
題があった。However, in order to solve such a problem, in order to prevent so-called three-sided adhesion, which causes a joint breakage, only a bottom surface portion of the joint gap G is subjected to a peeling treatment for preventing adhesion with the sealing material K. However, if the elasticity of the sealing material K cannot cope with the shrinkage ratio of the wall board E, there is a problem that the joint breakage cannot be completely prevented. Therefore, the vertical joints of the wallboard of the conventional building are liable to cause water leakage due to both the joint breakage and the imperfect attachment of the base waterproof sheet, and if water leakage occurs, the permeated water easily penetrates to the base pillar. There was an easy problem.
【０００６】[0006]
【発明が解決しようとする課題】この発明は、上記問題
点に鑑み、建築物の外壁部分の漏水及び侵入水の浸透を
防止し、しかも施工も容易な外壁材の縦目地防水接続構
造を提供することを目的としてなされたものである。SUMMARY OF THE INVENTION In view of the above problems, the present invention provides a vertical joint waterproof connection structure for an outer wall material which prevents water leakage and infiltration of water in the outer wall portion of a building and is easy to construct. It was made for the purpose of doing.
【０００７】[0007]
【課題を解決するための手段】即ち、この発明の外壁材
の縦目地防水接続構造は、柱側面に、壁面の下地防水シ
ートが貼付けられ、該下地防水シート上の柱側面に対応
する位置に、幅方向両端が柱側面より幅狭位置で壁面外
面側に折り返された粘着防水シートが前記柱の外面を覆
うように縦方向に貼付けられ、該粘着防水シート面上
で、壁面外面を形成する壁板が突き合わされ、かつ前記
粘着防水シートより外側の柱側面に前記壁板が釘打ち固
定されていると共に前記壁板と壁板との接合面には底面
に非粘着層が形成された目地状凹溝が形成され、該目地
状凹溝内には、前記壁板端面間をシールする弾性シーリ
ング材が充填されてなることを特徴とするものである。That is, in the vertical joint waterproof connection structure for outer wall material of the present invention, the base waterproof sheet of the wall surface is attached to the side surface of the pillar, and the position corresponding to the side surface of the pillar on the base waterproof sheet is provided. An adhesive waterproof sheet having both widthwise ends narrowed from the side surface of the pillar and folded back to the outer surface of the wall surface is vertically attached so as to cover the outer surface of the pillar, and the outer surface of the wall surface is formed on the surface of the adhesive waterproof sheet. Joints in which the wall plates are butted, and the wall plates are nailed and fixed to the pillar side surfaces outside the adhesive waterproof sheet, and a non-adhesive layer is formed on the bottom surface at the joint surface between the wall plates. Groove is formed, and the joint groove is filled with an elastic sealing material that seals between the end faces of the wall plate.
【０００８】[0008]
【作用】この発明の外壁材の縦目地防水接続構造は、一
次防水を行うシーリング材と二次防水を行う下地防水シ
ートの両者の構造を改良することにより相乗的に防水効
果を高める。The vertical joint waterproof joint structure for the outer wall material of the present invention synergistically enhances the waterproof effect by improving the structure of both the sealing material for primary waterproofing and the base waterproof sheet for secondary waterproofing.
【０００９】即ち、下地防水シートは、従来と同様柱側
面を一連に水平方向に覆って防水を図るが、さらにその
外面に粘着防水シートが貼付けられる。粘着防水シート
は、裏面の粘着層により簡単に貼付け作業ができ、かつ
柱側面を下地防水シートと共に二重に覆うことになるの
で、仮に下地防水シートに破口が生じていたとしても、
粘着によりこれら破口は完全に覆われ、防水が完全とな
る。That is, the base waterproof sheet covers the side surfaces of the pillars in a horizontal direction in the same manner as in the conventional case for waterproofing, and an adhesive waterproof sheet is further attached to the outer surface thereof. The adhesive waterproof sheet can be easily attached by the adhesive layer on the back side, and since the side surface of the pillar will be double covered with the underlying waterproof sheet, even if the underlying waterproof sheet had a break,
Adhesion completely covers these fractures and ensures complete waterproofing.
【００１０】さらに、この粘着防水シートの端部の折り
返し部は、水返しを行うため、仮にコーナ役物と壁板と
の隙間から漏水があったとしても、粘着防水シート裏面
に浸透していくのを有効に防止する。また、壁板を固定
する釘は粘着防水シートの外側部分で柱に釘打ちされる
ので、壁板接合部の目地部分から漏水することがあって
も、この部分からの浸透水が柱表面へと浸透していくの
が防止される。Further, since the folded-back portion at the end of the adhesive waterproof sheet performs water repelling, even if water leaks from the gap between the corner accessory and the wall plate, it penetrates into the back surface of the adhesive waterproof sheet. Effectively prevent. Also, since the nails that fix the wall boards are nailed to the pillars on the outside of the adhesive tarpaulin, even if water leaks from the joints of the wall board joints, the permeated water from this part will reach the surface of the pillars. Is prevented from penetrating.
【００１１】また、コーナ役物と壁板との接合部は、い
わゆる三面接着防止処理がされた目地隙間に、弾性シー
リング材を充填した構成であるから、壁板が収縮して
も、これに追従して弾性変形し、目地切れを防止する。
なお、この弾性シーリング材としては、３mm以上の変形
に耐え得る一液変性シリコーン系のものが好適に使用さ
れる。Further, since the joint portion between the corner accessory and the wall plate has a structure in which the joint gap subjected to so-called three-sided adhesion preventing treatment is filled with the elastic sealing material, even if the wall plate contracts, Following it elastically deforms and prevents joint breakage.
As the elastic sealing material, one-component modified silicone-based material that can withstand deformation of 3 mm or more is preferably used.
【００１２】[0012]
【実施例】次にこの発明の実施例を説明する。図１はこ
の発明の実施例の平面断面図、図２はこの発明の実施例
の要部斜視図である。Embodiments of the present invention will be described below. FIG. 1 is a plan sectional view of an embodiment of the present invention, and FIG. 2 is a perspective view of an essential part of the embodiment of the present invention.
【００１３】図２に示すように、10cm角の柱１の側面
に、壁面の下地防水シート２を貼付け、この下地防水シ
ート２上の柱１側面に対応する位置に、幅方向両端３
Ａ、３Ａが壁面外面側に折り返された粘着防水シート３
を柱１の外面を覆うように縦方向に貼付けた。As shown in FIG. 2, a base waterproof sheet 2 on the wall surface is attached to the side surface of a pillar 1 of 10 cm square, and both ends 3 in the width direction are placed on the base waterproof sheet 2 at positions corresponding to the side surfaces of the pillar 1.
Adhesive waterproof sheet 3 with A and 3A folded back to the outside of the wall
Was vertically attached so as to cover the outer surface of the pillar 1.
【００１４】なお、上記粘着防水シート３は透湿防水シ
ートの裏面に感圧粘着層を有するものを使用し、貼付け
寸法は図示のように柱１の側面において柱端部より約15
mm内側に端部３Ａが位置するようにした。また端部の折
り返し量Ｌは折り返し片３Ｂ、３Ｂが壁板裏面に接する
よう６mm以上とした。The pressure-sensitive adhesive waterproof sheet 3 is a moisture-permeable waterproof sheet having a pressure-sensitive adhesive layer on the back surface, and the sticking size is about 15 from the end of the pillar on the side surface of the pillar 1 as shown in the figure.
The end portion 3A was positioned inside the mm. Further, the folding back amount L of the end portion is set to 6 mm or more so that the folding back pieces 3B, 3B are in contact with the back surface of the wall plate.
【００１５】これにて二次防水処理を完了し、次に粘着
防水シート３上で、壁面を形成する繊維補強セメント製
壁板４、４を底面に非粘着層６を有する目地状凹溝７を
形成して接合固定し、この目地状凹溝７内に一液変性シ
リコーン系の弾性シーリング材８を充填して一次防水処
理を行った。なお、目地状凹溝７は、端部に幅8.2mm 段
状の切り欠き４Ａが形成された壁板４を、端面切り落と
しの壁板４の端面に突き合わせることにより形成し、非
粘着層６は段面にマスキングテープを貼ることにより得
た。This completes the secondary waterproofing process, and then, on the adhesive waterproof sheet 3, the jointed groove 7 having the non-adhesive layer 6 on the bottom surface of the fiber-reinforced cement wall plates 4 and 4 forming the wall surface. Then, the joint-fixing was performed, and the joint-shaped concave groove 7 was filled with the one-component modified silicone-based elastic sealing material 8 to perform the primary waterproofing treatment. The joint-shaped groove 7 is formed by abutting a wall plate 4 having a stepped notch 4A having a width of 8.2 mm at the end with the end face of the wall plate 4 with the end cut off, and the non-adhesive layer 6 is formed. Was obtained by pasting masking tape on the step.
【００１６】なお、図中９…９はコーナ役物４及び壁板
５を柱１上に固定する釘を示し、壁板５を固定する釘９
は図示のように粘着防水シート３の外側となるように打
ち込んだ。In the figure, 9 indicates a nail for fixing the corner accessory 4 and the wall plate 5 on the pillar 1, and the nail 9 for fixing the wall plate 5 is shown.
Was driven to the outside of the adhesive waterproof sheet 3 as shown in the figure.
【００１７】〔比較例１〕図３に示すように、実施例と
同じ寸法の柱Ａの側面に壁面Ｂに貼付けられる実施例と
同じ材質の下地防水シートＣを柱Ａの側面に貼付け、次
いでこの下地防水シートＣ上に目地隙間Ｇができるよう
に縦目地ジョイナーＦを介して壁板Ｅを突き合わせて固
定し、この目地隙間Ｇ部分にシーリング材Ｋを充填して
出隅コーナ部を組立てた。COMPARATIVE EXAMPLE 1 As shown in FIG. 3, a base waterproof sheet C made of the same material as that of the embodiment, which is attached to the wall surface B on the side surface of the pillar A having the same size as the embodiment, is attached to the side surface of the pillar A, and The wall board E was abutted and fixed via the vertical joint joiner F so as to form the joint gap G on the base waterproof sheet C, and the sealing material K was filled in the joint gap G to assemble the projecting corner portion. .
【００１８】〔比較例２〕図４に示すように、比較例１
と同様の下地処理とした下地防水シートＣ上に、予め目
地隙間Ｇができるように接合段部Ｈを有する壁板Ｅ、Ｅ
を縦目地ジョイナーを介することなく接合固定し、この
目地隙間Ｇ部分にシーリング材Ｋを充填して出隅コーナ
部を組立てた。Comparative Example 2 As shown in FIG. 4, Comparative Example 1
Wall boards E, E each having a joining step portion H so that a joint gap G is formed in advance on a base waterproof sheet C which is the same as the base treatment.
Were joined and fixed without using a vertical joint joiner, and a sealing material K was filled in the joint gap G to assemble a projected corner portion.
【００１９】実施例及び比較例１及び２について、ウエ
ザーサンシャインテストを実施した結果、比較例のもの
は200 サイクルで目地接合部にヘアクラックが観察され
たが実施例のものは全く以上がなかった。As a result of carrying out a weather sunshine test on Examples and Comparative Examples 1 and 2, hair cracks were observed at joints of joints in 200 cycles, but none in Examples. .
【００２０】また、実施例及び比較例のものについて、
シーリング材８及びＫに裏面へ貫通する切れ目をカッタ
ーナイフで刻み、この部分に１時間シャワー散水し防水
試験を行なったところ、実施例のものは、漏水は全て粘
着防水シート３部分で遮断され、柱１表面まで浸透する
ことはなかった。一方比較例のものは、下地防水シート
の単層部分の境目から僅かに水が浸透しているのが観察
された。Further, regarding the examples and comparative examples,
A slit penetrating the back surface of the sealing materials 8 and K was carved with a cutter knife, and a water spray test was conducted by showering water on this portion for 1 hour. In the example, all water leakage was blocked by the adhesive waterproof sheet 3 portion. It did not penetrate to the surface of pillar 1. On the other hand, in the comparative example, it was observed that water slightly permeated from the boundary of the single layer portion of the base waterproof sheet.
【００２１】[0021]
【発明の効果】この発明は、以上説明したように、壁下
地における二次防水を行う防水シートが、柱側面に二重
に貼付けられているため、下地防水シートに何らかの原
因で破口が生じていても粘着防水シートにより柱側面の
防水が確実とさる。また壁面の一次防水を行うシーリン
グ材は三面接着防止処理と弾性に富む材質との組み合わ
せにより、壁板収縮などの寸法変化に対しても良く追従
し、長期間に渡って目地切れに起因する漏水を防止し、
その裏面の粘着防水シート端部の折り返し部との組み合
わせによって、仮に漏水が生じても柱まで湿潤させるこ
とがないなど種々の効果を有する。As described above, according to the present invention, since the waterproof sheet for performing secondary waterproofing on the wall foundation is double attached to the side surface of the pillar, a breakage occurs in the foundation waterproof sheet for some reason. Even if it is attached, the adhesive side waterproof sheet ensures the waterproofness of the pillar side surface. In addition, the sealing material that performs the primary waterproofing of the wall surface combines well with the three-sided adhesion prevention treatment and a material with high elasticity to follow the dimensional changes such as shrinkage of the wall plate well and to prevent water leakage due to joint breakage over a long period of time. Prevent
The combination with the folded-back portion at the end of the adhesive waterproof sheet on the back surface has various effects such that even if water leaks, the columns are not wetted.
【図１】この発明の実施例の平面断面図である。FIG. 1 is a plan sectional view of an embodiment of the present invention.
【図２】この発明の実施例の要部斜視図である。FIG. 2 is a perspective view of an essential part of an embodiment of the present invention.
【図３】従来例の平面断面図である。FIG. 3 is a plan sectional view of a conventional example.
【図４】他の従来例の平面断面図である。FIG. 4 is a plan sectional view of another conventional example.
【図５】従来例の目地切れの状態を示す断面図である。FIG. 5 is a cross-sectional view showing a state in which a joint is broken in a conventional example.
１…柱 ２…下地防水シート ３…粘着防水シート ３Ａ…端部 ３Ｂ…折り返し片 ４…壁板 ６…非粘着層 ７…目地状凹溝 ８…弾性シーリング材 ９…釘 DESCRIPTION OF SYMBOLS 1 ... Pillar 2 ... Base waterproof sheet 3 ... Adhesive waterproof sheet 3A ... End 3B ... Folding piece 4 ... Wall plate 6 ... Non-adhesive layer 7 ... Joint groove 8 ... Elastic sealing material 9 ... Nail
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｅ０４Ｂ 2/56 ６２１ Ａ 6951−2Ｅ ６２２ Ｃ 6951−2Ｅ Ｈ 6951−2Ｅ 1/682 Ｅ０４Ｆ 13/08 Ｙ 9127−2Ｅ Ｘ 9127−2Ｅ ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 6 Identification code Office reference number FI Technical display location E04B 2/56 621 A 6951-2E 622 C 6951-2E H 6951-2E 1/682 E04F 13/08 Y 9127-2E X 9127-2E
Claims (1)
けられ、該下地防水シート上の柱側面に対応する位置
に、幅方向両端が柱側面より幅狭位置で壁面外面側に折
り返された粘着防水シートが前記柱の外面を覆うように
縦方向に貼付けられ、該粘着防水シート面上で、壁面外
面を形成する壁板が突き合わされ、かつ前記粘着防水シ
ートより外側の柱側面に前記壁板が釘打ち固定されてい
ると共に前記壁板と壁板との接合面には底面に非粘着層
が形成された目地状凹溝が形成され、該目地状凹溝内に
は、前記壁板端面間をシールする弾性シーリング材が充
填されてなることを特徴とする外壁材の縦目地防水接続
構造。1. A base waterproof sheet for a wall surface is attached to a side surface of a pillar, and both ends in the width direction are folded back to the outside surface of the wall surface at a position corresponding to the side surface of the pillar on the base waterproof sheet at a position narrower than the side surface of the pillar. An adhesive waterproof sheet is attached in a vertical direction so as to cover the outer surface of the pillar, a wall plate forming an outer surface of the wall surface is abutted on the adhesive waterproof sheet surface, and the wall is provided on a pillar side surface outside the adhesive waterproof sheet. The plate is nailed and fixed, and a joint-shaped groove having a non-adhesive layer formed on the bottom surface is formed on the joint surface between the wall plate and the wall plate in the joint-shaped groove. A vertical joint waterproof joint structure for an outer wall material, characterized by being filled with an elastic sealing material that seals between the end faces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25889194A JPH0893086A (en) | 1994-09-27 | 1994-09-27 | Waterproof connecting structure for longitudinal joint of exterior wall material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25889194A JPH0893086A (en) | 1994-09-27 | 1994-09-27 | Waterproof connecting structure for longitudinal joint of exterior wall material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0893086A true JPH0893086A (en) | 1996-04-09 |
Family
ID=17326471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25889194A Pending JPH0893086A (en) | 1994-09-27 | 1994-09-27 | Waterproof connecting structure for longitudinal joint of exterior wall material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0893086A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008184828A (en) * | 2007-01-30 | 2008-08-14 | Toyota Motor Corp | Building waterproofing structure |
| JP2016085047A (en) * | 2014-10-23 | 2016-05-19 | 三菱電機株式会社 | Ultrasonic sensor |
-
1994
- 1994-09-27 JP JP25889194A patent/JPH0893086A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008184828A (en) * | 2007-01-30 | 2008-08-14 | Toyota Motor Corp | Building waterproofing structure |
| JP4723521B2 (en) * | 2007-01-30 | 2011-07-13 | トヨタホーム株式会社 | Waterproof structure of building |
| JP2016085047A (en) * | 2014-10-23 | 2016-05-19 | 三菱電機株式会社 | Ultrasonic sensor |
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