JPH03208932A - Water proof structure of exterial wall - Google Patents

Abstract

PURPOSE:To securely prevent water at joints, by providing a thick part at one end of a waterproof sheet, the thick part being held in a recessed sheet- holding part provided at the end on the indoor side of a gasket and by inserting the gasket in the joint of an external wall. CONSTITUTION:The thick part 31 of a waterproof sheet 3, bonded at the side edge of the backface of an adjacent external wall 1, is drawn from the joint of the external wall and inserted in the sheet holding part 23 of a gasket 2 to fasten the thick part 31. And the gasket 2 securing the thick part 31 of the water proof sheet 3 is inserted into the joint of the external wall 1. Further, one end 32 of the waterproof sheet 3 in the longitudinal direction is bonded at the side edge of the backface of the external wall 1. In this way, the clearance between the indoor side and outdoor side is connected to each other to keep waterproof.

Description

【発明の詳細な説明】 （産業上の利用分野） 本発明は建物の外壁の目地にガスケットを挿入する防水
構造に関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a waterproof structure in which gaskets are inserted into joints in the outer walls of buildings.

（従来の技術） 建物の外壁の防水構造は種々のものが、提案されている
が、特開昭５５−１３８５２８号公報に記載あれでいる
ように、外壁と外壁との間にガスケットを挿入して防水
する構造が、セメントモルタル等を塗り込むよりは、施
工が簡単であり、施工後、乾燥してヒビ割れ等がないた
め、広く行われている。(Prior Art) Various types of waterproof structures for the outer walls of buildings have been proposed, but as described in Japanese Patent Laid-Open No. 55-138528, a gasket is inserted between the outer walls. Waterproof structures are widely used because they are easier to construct than plastering with cement mortar, etc., and do not cause cracks after drying.

（発明が解決しようとする課題） しかし、この外壁と外壁との間にガスケットを挿入する
構造は、防水性能が良いといっても、未だ、不十分であ
って、更に防水性能の向上が必要である。(Problem to be solved by the invention) However, even though this structure in which a gasket is inserted between the outer walls has good waterproof performance, it is still insufficient and needs further improvement in waterproof performance. It is.

そこで、本発明は、外壁の目地にガスケットを挿入する
防水構造であって、その防水性能を更に向上させる構造
を提供することを目的とする．（課題を解決するための
手段） 本発明は、上記の目的を達戒するためになされたもので
あって、外壁の目地にガスケットを挿入して防水する外
壁の防水構造において、長手方向の一端を厚肉にした厚
肉部を有する防水シートの他端を前記外壁の裏面側縁部
に接着し、前記ガスケットの室内側端部に凹状のシート
挟持部を設け、隣接する両外壁に接着されたそれぞれの
防水シートの厚肉部をガスケットの防水シート挟持部に
挾み込ませ、このガスケットを外壁の目地に挿入するす
るのである。SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a waterproof structure in which gaskets are inserted into the joints of an outer wall, which further improves its waterproof performance. (Means for Solving the Problems) The present invention has been made to achieve the above-mentioned object, and provides a waterproof structure for an exterior wall in which a gasket is inserted into the joints of the exterior wall to make it waterproof. The other end of the waterproof sheet having a thick walled portion is adhered to the rear side edge of the outer wall, a concave sheet holding portion is provided at the indoor end of the gasket, and the waterproof sheet is adhered to both adjacent outer walls. The thick part of each waterproof sheet is inserted into the waterproof sheet holding part of the gasket, and this gasket is inserted into the joint of the outer wall.

本発明において使用するガスケットの材質は、天然ゴム
、合戒ゴム、軟質塩化ビニル樹脂等の合戒樹脂、あるい
はこれらと金属とを併用したもの等各種あるが、ＥＰＤ
Ｍ（エチレンーブロピレンジエンモノマー共重合体）や
、プチルゴム等の耐候性の良い合或ゴムが最もよい。There are various materials for the gasket used in the present invention, such as natural rubber, gasket rubber, plastic resin such as soft vinyl chloride resin, or a combination of these and metal.
Synthetic rubbers with good weather resistance such as M (ethylene-propylene diene monomer copolymer) and butyl rubber are best.

本発明において使用する防水シートの材質は、天然ゴム
、合或ゴム、合威樹脂、紙にアスファルトを含浸させた
もの等各種あるが、軟質塩化ビニル樹脂製のシートが厚
内部を設け易いので、最もよい． （作　用） 本発明外壁の防水構造においては、防水シートの一端に
厚肉部があり、この厚肉部がガスケット室内側端部にも
うけられた凹状のシート挟持部に扶持される．このガス
ケットを外壁の目地に挿入するとき、このガスケットは
両側の外壁によって押圧され、防水シートの厚肉部は外
れることがない。There are various materials for the waterproof sheet used in the present invention, such as natural rubber, synthetic rubber, synthetic resin, paper impregnated with asphalt, etc., but sheets made of soft vinyl chloride resin are easy to provide with a thick interior. The best. (Function) In the waterproof structure of the outer wall of the present invention, there is a thick part at one end of the waterproof sheet, and this thick part is supported by a concave sheet holding part provided at the end of the gasket on the indoor side. When this gasket is inserted into the joint of the outer wall, it is pressed by the outer walls on both sides, and the thick part of the waterproof sheet does not come off.

又、このように、防水シートの一端に設けられた厚肉部
がガスケットに扶持され、他端が隣接する両外壁の裏面
側縁部に接着されているから、外壁の室外側と室内側と
は隙間がなく水密に遮断される。In addition, in this way, the thick part provided at one end of the waterproof sheet is supported by the gasket, and the other end is glued to the back side edge of both adjacent outer walls, so that the outdoor side and the indoor side of the outer wall are connected. is sealed watertight with no gaps.

（実施例） 以下、本発明の実施例について、説明する。(Example) Examples of the present invention will be described below.

第１図は外壁の垂直目地部分を水平に切断した断面図で
ある。FIG. 1 is a horizontal cross-sectional view of a vertical joint portion of an outer wall.

図において、■は外壁であって、厚み１２ｍｍの木片セ
メント板である。この外壁１の室外側は塗装１１されて
いる。１２はこの外壁１の側縁部である。In the figure, ■ is the outer wall, which is a wood cement board with a thickness of 12 mm. The outdoor side of this outer wall 1 is painted 11. 12 is a side edge of this outer wall 1.

２は外壁の目地に挿入されたガスケットであり、室外側
端部２１は外壁の目地部を覆い、目地部を美麗にしてい
る。２４はガスケット２の側面から突出された突出片で
あって、これが外壁及び外壁の枠材４の側面に接して、
或る程度の防水作用をする． ２２はガスケットの室内側端部であって、ここに凹状の
シ一ト挟持部２３が設けられている。2 is a gasket inserted into the joint of the outer wall, and the outdoor side end 21 covers the joint of the outer wall to make the joint beautiful. 24 is a protruding piece protruding from the side surface of the gasket 2, which is in contact with the outer wall and the side surface of the outer wall frame material 4,
It has a certain degree of waterproofing effect. Reference numeral 22 denotes the indoor end of the gasket, at which a concave seat holding portion 23 is provided.

３は防水シートであり、軟質塩化ビニル樹脂製である。3 is a waterproof sheet made of soft vinyl chloride resin.

この防水シ一ト３の長手方向の一端は厚肉にされて厚内
部３ｌとなっている。又、この防水シ一ト３の他端３２
は外壁１の裏面側縁部に接着されている。One end in the longitudinal direction of this waterproof sheet 3 is thickened to form a thick interior 3l. Also, the other end 32 of this waterproof sheet 3
is glued to the back side edge of the outer wall 1.

そして、隣接する両外壁ｌ、１に接着されたそれぞれの
ガスケット３、３の厚肉部３１、３１はガスケット２の
シート挟持部２３に挟持されている． 次に、本実施例の施工方法及び作用を説明する．室内側
の側縁部に防水シ一ト３の一端３２を接着する。その後
、外壁１を枠体４に釘を打って、取り付け、外壁１の室
外側表面に塗装を施し、外壁パネルを完威させる．この
外壁パネルを住宅に取り付ける． 次に、隣接した外壁１、１の裏面側縁部に接着されたそ
れぞれの防水シ一ト３、３の厚肉部３ｌ、３１を外壁１
の目地部から引き出し、両方の防水シ一ト３、３の厚肉
部３１，３１をガスケット２のシート挟持部２３に挿入
し、この厚肉部３１、３１を挟持させる。その後、この
防水シ一ト３、３の厚肉部３１、３１を挟持しているガ
スケットを外壁Ｌ　１の目地に挿入する。The thick portions 31, 31 of the gaskets 3, 3, which are adhered to both adjacent outer walls 1, 1, are held by the sheet holding portions 23 of the gasket 2. Next, the construction method and operation of this example will be explained. One end 32 of the waterproof sheet 3 is glued to the side edge on the indoor side. After that, the exterior wall 1 is attached by driving nails into the frame 4, and the outdoor surface of the exterior wall 1 is painted to complete the exterior wall panel. Attach this exterior wall panel to the house. Next, the thick parts 3l, 31 of the respective waterproof sheets 3, 3 glued to the back side edges of the adjacent outer walls 1, 1 are attached to the outer wall 1.
The thick parts 31, 31 of both waterproof sheets 3, 3 are inserted into the sheet clamping part 23 of the gasket 2, and the thick parts 31, 31 are clamped. Thereafter, the gaskets holding the thick parts 31, 31 of the waterproof sheets 3, 3 are inserted into the joints of the outer wall L1.

すると、ガスケット２が両側の外壁に押圧され、シート
挟持部２３が狭くなり、防水シ一ト３、３の厚肉部３１
、３１を強く挟持ししたまま、ガスケット２は外壁１、
１の目地に挿入され、防水シ一ト３の厚肉部３１、３１
はガスケット挟持部２３から外れなくなる。Then, the gasket 2 is pressed against the outer walls on both sides, the sheet holding part 23 becomes narrower, and the thick part 31 of the waterproof sheets 3, 3
, 31, the gasket 2 is attached to the outer wall 1,
1, and the thick parts 31, 31 of the waterproof sheet 3
will not come off from the gasket holding part 23.

このように、ガスケット２が外壁１の目地に挿入される
と、この防水シ一ト３は長手方向の一端３２が外壁１の
裏面側縁部に接着し、他端の厚肉部３１はガスケット２
に扶持され、室外側と室内側とは隙間なく水密に遮断さ
れる。In this way, when the gasket 2 is inserted into the joint of the outer wall 1, one longitudinal end 32 of the waterproof sheet 3 is adhered to the back side edge of the outer wall 1, and the thick part 31 of the other end is attached to the gasket. 2
The outdoor side and indoor side are watertightly separated without any gaps.

この目地部分の防水は、最初、ガスケット２の突出片２
４で防水される．しかし、この防水では不完全で、この
不足する防水を、室内側と室外側とを水密に遮断してい
る防水シ一ト３で完全に防水する。To waterproof this joint part, first use the protruding piece 2 of gasket 2.
4 is waterproof. However, this waterproofing is incomplete, and this insufficient waterproofing is completely waterproofed by a waterproof sheet 3 that watertightly blocks the indoor side and the outdoor side.

（発明の効果） 以上説明したように、本発明外壁の防水構造は、防水シ
ートの長手方向の一端を外壁の裏面側縁部に接着し、他
端をガスケットの室内側端部に扶持させているから、こ
の外壁の目地部分が、室内側と室外側とは隙間なく、水
密に遮断されるから、防水は完全且つ確実に行われる。(Effects of the Invention) As explained above, the waterproof structure of the exterior wall of the present invention is such that one longitudinal end of the waterproof sheet is adhered to the rear edge of the exterior wall, and the other end is supported on the indoor end of the gasket. Because of this, the joint part of the outer wall is watertightly isolated from the indoor side and the outdoor side without any gaps, so waterproofing is completely and reliably achieved.

【図面の簡単な説明】[Brief explanation of drawings]

第１図は外壁の垂直目地部分を水平に切断した断面図で
ある。 １　−−−−−−−−−一外壁 ２−−−−−−−−−ガスケット ２３−シ一ト挟持部 ３−・・−−−−一防水シート ３ｌ・一厚肉部FIG. 1 is a horizontal cross-sectional view of a vertical joint portion of an outer wall. 1 ---------Outer wall 2--Gasket 23-Seat holding part 3------1 Waterproof sheet 3l/1 Thick wall part

Claims (1)

【特許請求の範囲】[Claims] （１）外壁の目地にガスケットを挿入して防水する外壁
の防水構造において、長手方向の一端を厚肉にした厚肉
部を有する防水シートの他端を前記外壁の裏面側縁部に
接着し、前記ガスケットの室内側端部に凹状のシート挟
持部を設け、隣接する両外壁に接着されたそれぞれの防
水シートの厚肉部をガスケットのシート挟持部に挟み込
ませ、このガスケットを外壁の目地に挿入することを特
徴とする外壁の防水構造。(1) In a waterproof structure for an exterior wall that is waterproofed by inserting gaskets into the joints of the exterior wall, one longitudinal end of the waterproof sheet is made thicker and the other end of the waterproof sheet has a thicker part and is glued to the back side edge of the exterior wall. , a concave sheet holding part is provided at the indoor end of the gasket, the thick part of each waterproof sheet adhered to both adjacent outer walls is held in the sheet holding part of the gasket, and this gasket is placed at the joint between the outer walls. Waterproof structure of the outer wall characterized by the insertion.