JP3318426B2 - Dry waterproof structure at intersections - Google Patents
Dry waterproof structure at intersectionsInfo
- Publication number
- JP3318426B2 JP3318426B2 JP1903094A JP1903094A JP3318426B2 JP 3318426 B2 JP3318426 B2 JP 3318426B2 JP 1903094 A JP1903094 A JP 1903094A JP 1903094 A JP1903094 A JP 1903094A JP 3318426 B2 JP3318426 B2 JP 3318426B2
- Authority
- JP
- Japan
- Prior art keywords
- joint
- wall
- cross
- joints
- intersection
- 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.)
- Expired - Fee Related
Links
Landscapes
- Building Environments (AREA)
- Load-Bearing And Curtain Walls (AREA)
Description
【０００１】[0001]
【産業上の利用分野】この発明は、外壁の交差目地の乾
式防水構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dry waterproof structure at an intersection of outer walls.
【０００２】[0002]
【従来の技術】従来、上下左右に隣合う外壁パネル間に
形成される縦目地と横目地の交差部の防水は、バックア
ップ材とシーリング材とによる湿式シーリング工法で行
われている。縦目地および横目地の各々においては、種
々の乾式工法の防水構造も提案されているが、目地の交
差部においては、乾式工法で確実な防水を行うことが難
しく、やむなく湿式工法に頼っている。2. Description of the Related Art Conventionally, waterproofing of intersections between vertical joints and horizontal joints formed between outer wall panels vertically and horizontally has been performed by a wet sealing method using a backup material and a sealing material. In each of vertical joints and horizontal joints, various dry-type waterproofing structures have been proposed, but at intersections of joints, it is difficult to perform reliable waterproofing with the dry-type method, and the wet-type method is inevitable. .
【０００３】[0003]
【発明が解決しようとする課題】しかし、このような湿
式工法では、施工時期が天候に左右されて工期が長くな
ったり、専門の職人が必要で職人の腕に左右されて品質
が安定しない等の問題点がある。However, in such a wet construction method, the construction period depends on the weather and the construction period becomes longer, or the quality is not stable due to the need for specialized craftsmen and the skill of the craftsmen. There is a problem.
【０００４】この発明の目的は、乾式工法で簡単に施工
でき、確実な防水性が得られる交差目地の乾式防水構造
を提供することである。[0004] It is an object of the present invention to provide a dry waterproof structure at an intersection joint which can be easily constructed by a dry construction method and can provide reliable waterproofness.
【０００５】[0005]
【課題を解決するための手段】この発明は、２枚の上側
外壁パネルおよび２枚の下側外壁パネルが並設される外
壁目地交差部での防水構造である。各外壁パネルは、各
々パネルフレームに下地桟を介して外壁面材が張られた
ものである。縦横の目地内の交差部を除く箇所に、各外
壁パネルの前記下地桟および外壁面材の木口面で形成さ
れる目地内面から受けプレートを突出させ、この受けプ
レートは、断面がＺ字状であってその固定フランジ部が
上記下地桟と外壁面材との間に挟み込まれて受けフラン
ジ部が上記固定フランジ部よりも目地の奥側で目地内に
突出したものとし、かつこの受けプレートに支持されて
目地を塞ぐ厚肉帯状の弾性シールシートを設ける。前記
目地内の交差部の付近には接着剤で目地内面に接着され
る十字状止水材を前記弾性シールシートの外側に重ねて
設ける。これら十字状止水材および弾性シールシートの
外側で前記縦横の目地内にゴム状弾性体からなる目地仕
上げ材を嵌合させる。SUMMARY OF THE INVENTION The present invention is a waterproof structure at an outer wall joint where two upper outer wall panels and two lower outer wall panels are juxtaposed. Each of the outer wall panels has an outer wall material attached to a panel frame via a base rail. A receiving plate is made to protrude from the inner surface of the joint formed by the base bar of each outer wall panel and the outer edge of the outer wall material at locations except for the intersections in the vertical and horizontal joints.
The rate is Z-shaped in cross section and its fixed flange
Receiving franc sandwiched between the above-mentioned groundwork and outer wall material
The joint is deeper into the joint than the fixed flange
Assume that protrudes, or One supported on the receiving plate an elastic seal sheet thick strip for closing the joint. In the vicinity of the intersection in the joint, a cross-shaped water-stopping material bonded to the joint inner surface with an adhesive is provided so as to overlap the outside of the elastic seal sheet. Outside the cross-shaped water-stopping material and the elastic seal sheet, a joint finishing material made of a rubber-like elastic body is fitted into the vertical and horizontal joints.
【０００６】[0006]
【作用】縦横の目地内の交差部を除く箇所では、目地内
面から突出する受けプレートに支持された弾性シールシ
ートによって目地が塞がれ、その上から目地仕上げ材が
嵌合することで、２重防水となる。弾性シールシート
は、その弾性で幅方向に伸縮することにより、多少の目
地幅の変動にかかわらずに目地内面に密着する。この密
着および前記の２重防水により、確実な防水性が得られ
る。また、目地交差部では、十字状止水材と目地仕上げ
材との２重防水となるが、十字状止水材は接着剤で目地
内面に接着され、また交差部付近では前記弾性シールシ
ートの外側に重ねて設けられるため、目地交差部での防
水も確実となる。The joint is closed by a resilient seal sheet supported by a receiving plate projecting from the joint inner surface, and the joint finishing material is fitted over the joint except at the intersections in the vertical and horizontal joints. It becomes heavy waterproof. The elastic sealing sheet expands and contracts in the width direction due to its elasticity, so that the elastic sealing sheet adheres to the joint inner surface irrespective of a slight change in joint width. Due to this close contact and the double waterproofing described above, reliable waterproofness can be obtained. Also, at the joint intersection, the cross-shaped waterproofing material and the joint finishing material are double waterproofed, but the cross-shaped waterproofing material is bonded to the inner surface of the joint with an adhesive. Since it is provided so as to be overlapped on the outside, waterproofing at the joint intersection is also ensured.
【０００７】[0007]
【実施例】この発明の一実施例を図１ないし図３に基づ
いて説明する。この交差目地の乾式防水構造は、例えば
図３に示すように、２枚の上階外壁パネル１Ａ，１Ａお
よび２枚の下階外壁パネル１Ｂ，１Ｂが並設される箇所
Ｐに適用される。各外壁パネル１Ａ，１Ｂは、パネルフ
レーム２（図２）の屋外面に、外壁下地桟３および外壁
面材４を貼付けたものである。各外壁パネル１Ａ，１Ｂ
のパネルフレーム２は、角パイプ等からなる柱１２や、
形鋼からなる図示しない梁に取付けられる。外壁下地桟
３は耐水合板等からなり、外壁面材４にはセメント板や
スレート板等が用いられる。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described with reference to FIGS. The dry waterproof structure at this intersection is applied to a place P where two upper floor outer wall panels 1A, 1A and two lower floor outer wall panels 1B, 1B are juxtaposed, as shown in FIG. 3, for example. Each of the outer wall panels 1A and 1B has an outer wall base bar 3 and an outer wall material 4 attached to an outdoor surface of a panel frame 2 (FIG. 2). Each outer wall panel 1A, 1B
Of the panel frame 2 of the square pipe or the like,
It is attached to a beam (not shown) made of shaped steel. The outer wall base bar 3 is made of a water-resistant plywood or the like, and the outer wall material 4 is a cement plate, a slate plate or the like.
【０００８】各外壁パネル１Ａ，１Ｂには、工場での加
工の際に図２（Ｂ），（Ｃ）に断面図で示すように、目
地内面から突出させた状態に受けプレート５を設けてお
く。すなわち、断面がＺ字状の受けプレート５の固定フ
ランジ部５ｂを各外壁パネル１Ａ，１Ｂを構成する外壁
下地桟３と外壁面材４との間に挟み込み、その受けフラ
ンジ部５ａを目地内に突出させる。Each of the outer wall panels 1A and 1B is provided with a receiving plate 5 protruding from the inner surface of the joint as shown in the sectional views of FIGS. 2B and 2C during processing in a factory. deep. That is, the fixed flange portion 5b of the receiving plate 5 having a Z-shaped cross section is sandwiched between the outer wall base bar 3 and the outer wall material 4 constituting each outer wall panel 1A, 1B, and the receiving flange portion 5a is inserted into the joint. Protrude.
【０００９】外壁パネル１Ａ，１Ｂを上下左右に建込ん
だ後に、目地１０，１１内の交差部を除く箇所におい
て、目地１０，１１を塞ぐ厚肉帯状の弾性シールシート
６を上記受けプレート５の受けフランジ部５ａ上に接着
剤または両面粘着テープ等の接着層（図示せず）を介し
て接着させる。ついで、目地１０，１１内の交差部に図
２（Ｃ）のように十字状止水材７を嵌合させて接着剤で
目地内面に接着し、その止水材７の各端部をそれぞれ対
応する各弾性シールシート６の外側に重ねる。After the outer wall panels 1A, 1B have been built up, down, left, and right, at the locations except for the intersections in the joints 10, 11, a thick band-shaped elastic seal sheet 6 for covering the joints 10, 11 is applied to the receiving plate 5. It is adhered to the receiving flange 5a via an adhesive layer (not shown) such as an adhesive or a double-sided adhesive tape. Next, as shown in FIG. 2 (C), a cross-shaped waterproofing material 7 is fitted to the intersections in the joints 10 and 11 and bonded to the inner surface of the joint with an adhesive. Overlap the corresponding elastic seal sheets 6.
【００１０】この後、前記縦横の目地１０，１１内に、
ゴム状弾性体からなる目地仕上げ材８，９を前記弾性シ
ールシート６および十字状止水材７の外側から嵌合させ
る。その嵌合構造は、目地交差部で、縦目地１０に嵌合
する目地仕上げ材８が連続し、横目地１１に嵌合する目
地仕上げ材９が分断する縦勝ちとなるようにする。目地
仕上げ材８の断面形状は、外面シート部８ｂの中央から
内側に延びる芯部８ｃの両面にひれ部８ａを突出させた
形状としてある。After that, the vertical and horizontal joints 10 and 11
Joint finishing materials 8 and 9 made of a rubber-like elastic body are fitted from the outside of the elastic seal sheet 6 and the cross-shaped waterproof material 7. The joint structure is such that the joint finishing material 8 fitted to the vertical joint 10 is continuous at the joints of the joints, and the joint finishing material 9 fitted to the horizontal joint 11 is divided vertically to achieve a vertical win. The cross-sectional shape of the joint finishing material 8 is a shape in which fins 8a protrude from both surfaces of a core 8c extending inward from the center of the outer sheet portion 8b.
【００１１】この構成によると、縦横の目地１０，１１
内の交差部を除く箇所では、目地内面から突出する受け
プレート５に支持された弾性シールシート６によって目
地１０，１１が塞がれ、その上から目地仕上げ材８，９
が嵌合することで、２重防水となる。弾性シールシート
６は、その弾性で幅方向に伸縮することにより、多少の
目地幅の変動にかかわらずに目地内面に密着する。この
密着および前記の２重防水により、確実な防水性が得ら
れる。また、目地交差部では、十字状止水材７と目地仕
上げ材８との２重防水となるが、十字状止水材７は接着
剤で目地内面に接着され、また交差部付近では前記弾性
シールシート６の外側に重ねて設けられるため、目地交
差部での防水も確実となる。According to this configuration, the vertical and horizontal joints 10, 11 are provided.
The joints 10 and 11 are closed by the elastic seal sheet 6 supported by the receiving plate 5 protruding from the joint inner surface, except for the intersections inside the joints.
Is waterproofed by double fitting. The elastic seal sheet 6 expands and contracts in the width direction due to its elasticity, so that the elastic seal sheet 6 adheres to the inner surface of the joint irrespective of a slight change in joint width. Due to this close contact and the double waterproofing described above, reliable waterproofness can be obtained. Also, at the joint intersection, the cruciform waterproof material 7 and the joint finishing material 8 are double waterproofed, but the cruciform waterproof material 7 is adhered to the inner surface of the joint with an adhesive. Since it is provided on the outside of the seal sheet 6, waterproofing at the joint intersection is also ensured.
【００１２】さらに、施工に際しては、弾性シールシー
ト６、十字状止水材７、目地仕上げ材８，９を嵌合させ
るだけの乾式工事で済むため、シール工事が簡単でシー
リング専門職を必要とせず、作業者の技能によって品質
が左右されない。また、シール工事完了後でも点検が容
易に行える。受けプレート５の外壁パネル１Ａ，１Ｂへ
の取付けは予め工場で行うので、これによっても現場作
業を削減できる。[0012] Further, at the time of construction, since only dry fitting work is required in which the elastic seal sheet 6, the cross-shaped waterproof material 7, and the joint finishing materials 8, 9 are fitted, the sealing work is simple and a sealing specialist is required. Quality is not affected by the skill of the worker. In addition, inspection can be performed easily even after completion of the sealing work. Since the mounting of the receiving plate 5 to the outer wall panels 1A and 1B is performed in advance at the factory, the on-site work can also be reduced.
【００１３】なお、上記実施例では、目地１０，１１の
十字状の交差部が有る部分について示したが、目地１
０，１１でＴ字状の交差部が形成される場合にも、上記
十字状止水材７に替えてＴ字状止水材を使用することに
より同様の防水構造とすることができる。In the above embodiment, the joints 10 and 11 have a cross-shaped intersection.
Even when a T-shaped cross section is formed at 0 and 11, a similar waterproof structure can be obtained by using a T-shaped water-stopping material instead of the cross-shaped water-stopping material 7.
【００１４】図４はこの発明の他の実施例を示す。この
実施例では、外壁パネル１Ａ，１Ｂの目地内面のうち外
壁面材４の木口面に、目地仕上げ材８，９のひれ部８
ａ，９ａを係合させる係合溝１３を形成したものであ
る。この場合に、厚み１２ｍｍの外壁面材４の木口面
に、表面から寸法ｄ1 （＝３ｍｍ）だけ裏面側寄りの位
置と、裏面から寸法ｄ2 （＝３ｍｍ）だけ表面側寄りの
位置とに幅寸法ｗ（＝２〜３ｍｍ）の係合溝１３を２条
にわたって形成している。その他の構成は先の実施例と
同様である。上記係合溝１３は、目地仕上げ材８，９の
形状や外壁面材４の板厚に応じて、図５（Ａ），
（Ｂ），（Ｃ）のように形状、数、深さを種々変えれば
よい。FIG. 4 shows another embodiment of the present invention. In this embodiment, the fin portions 8 of the joint finishing materials 8 and 9 are provided on the cleave surface of the outer wall material 4 in the joint surface of the outer wall panels 1A and 1B.
a and 9a are formed with engagement grooves 13 for engagement. In this case, the outer wall material 4 having a thickness of 12 mm is positioned at a position closer to the rear surface by a dimension d 1 (= 3 mm) from the front surface and at a position closer to the front surface by a size d 2 (= 3 mm) from the rear surface. The engagement groove 13 having a width w (= 2 to 3 mm) is formed in two rows. Other configurations are the same as in the previous embodiment. The engagement groove 13 is formed according to the shape of the joint finishing materials 8 and 9 and the thickness of the outer wall material 4 as shown in FIGS.
The shape, number, and depth may be variously changed as in (B) and (C).
【００１５】この構成によると、外壁パネル１Ａ，１Ｂ
が経年変化により伸縮して、目地１０，１１が拡大する
ようなことがあっても、目地仕上げ材８，９のひれ部８
ａ，９ａが外壁パネル１Ａ，１Ｂの目地内面の係合溝１
３に係合しているため、目地仕上げ材８，９が目地１
０，１１から浮き上がったり外れたりすることが防止さ
れる。According to this configuration, the outer wall panels 1A, 1B
May expand and contract due to aging, and the joints 10 and 11 may expand.
a, 9a are engagement grooves 1 on the joint inner surface of the outer wall panels 1A, 1B.
3, the joint finishing materials 8 and 9 are
It is prevented from floating or coming off from 0,11.
【００１６】なお、目地仕上げ材８，９のひれ部８ａ，
９ａを外壁パネル１Ａ，１Ｂの目地内面に形成した係合
溝１３に係合させる構成は、上記の弾性シールシート６
と組合わせる防水構造の場合だけでなく、他の防水構造
の場合にも適用できる。The fins 8a,
9a is engaged with the engagement groove 13 formed in the joint inner surface of the outer wall panel 1A, 1B.
It can be applied not only to the case of the waterproof structure combined with the above, but also to the case of another waterproof structure.
【００１７】[0017]
【発明の効果】この発明の交差目地の乾式防水構造は、
目地内の交差部を除く箇所で受けプレートに支持させた
弾性シールシートの外側に重ねて、目地内の交差部に十
字状止水材を設け、さらに十字状止水材および弾性シー
ルシートの外側で目地内に目地仕上げ材を嵌合させたた
め、確実な防水性が得られる。しかも、全て乾式工法で
簡単に施工することができる。According to the present invention, the dry waterproof structure at the intersection joint is
Overlaid on the outside of the elastic seal sheet supported by the receiving plate except at the intersection in the joint, a cross-shaped water-stop material is provided at the intersection in the joint, and further outside the cross-shaped water-stop and the elastic seal sheet As a result, the joint finishing material is fitted into the joint, so that reliable waterproofness can be obtained. In addition, all can be easily constructed by the dry method.
【図１】この発明の交差目地の乾式防水構造の一実施例
を示す分解斜視図である。FIG. 1 is an exploded perspective view showing an embodiment of a dry waterproof structure at an intersection joint according to the present invention.
【図２】（Ａ）は同防水構造の目地交差部を示す要部平
面図、（Ｂ）は（Ａ）におけるＩ−Ｉ矢視断面図、
（Ｃ）は（Ａ）におけるII−II矢視断面図である。FIG. 2A is a plan view of a principal part showing a joint part of the waterproof structure, FIG. 2B is a cross-sectional view taken along the line II in FIG.
(C) is a sectional view taken along the line II-II in (A).
【図３】外壁パネルの建込みの一例を示す概略正面図で
ある。FIG. 3 is a schematic front view showing an example of installation of an outer wall panel.
【図４】（Ａ）はこの発明の交差目地の乾式防水構造の
他の実施例を示す断面図、（Ｂ）は同実施例における外
壁パネルの目地内面に形成された係合溝を示す断面図で
ある。FIG. 4A is a cross-sectional view showing another embodiment of a dry waterproof structure of an intersection joint according to the present invention, and FIG. 4B is a cross-section showing an engagement groove formed on the inner surface of the joint of the outer wall panel in the embodiment. FIG.
【図５】同係合溝の各種変形例を示す断面図である。FIG. 5 is a sectional view showing various modifications of the engagement groove.
１Ａ，１Ｂ…外壁パネル、２…パネルフレーム、３…外
壁下地桟、４…外壁面材、５…受けプレート、６…弾性
シールシート、７…十字状止水材、８，９…目地仕上げ
材、１０…縦目地、１１…横目地1A, 1B: Outer wall panel, 2: Panel frame, 3: Outer wall base bar, 4: Outer wall material, 5: Receiving plate, 6: Elastic seal sheet, 7: Cross-shaped waterproof material, 8, 9: Joint finishing material , 10 ... vertical joint, 11 ... horizontal joint
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) E04B 1/684 E04B 2/56 E04F 21/165 ──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. 7 , DB name) E04B 1/684 E04B 2/56 E04F 21/165
Claims (1)
壁面材が張られた２枚の上側外壁パネルおよび２枚の下
側外壁パネルの間に形成される縦目地および横目地の防
水構造であって、縦横の目地内の交差部を除く箇所に、
各外壁パネルの前記下地桟および外壁面材の木口面で形
成される目地内面から受けプレートを突出させ、この受
けプレートは、断面がＺ字状であってその固定フランジ
部が上記下地桟と外壁面材との間に挟み込まれて受けフ
ランジ部が上記固定フランジ部よりも目地の奥側で目地
内に突出したものとし、かつこの受けプレートに支持さ
れて目地を塞ぐ厚肉帯状の弾性シールシートを設け、前
記目地内の交差部の付近には接着剤で目地内面に接着さ
れる十字状止水材を前記弾性シールシートの外側に重ね
て設け、これら十字状止水材および弾性シールシートの
外側で前記で縦横の目地内にゴム状弾性体からなる目地
仕上げ材を嵌合させた交差目地の乾式防水構造。1. A waterproof structure of vertical joints and horizontal joints formed between two upper outer wall panels and two lower outer wall panels each having an outer wall material stretched on a panel frame via a base rail. At the place except the intersection in the vertical and horizontal joints,
A receiving plate is made to protrude from an inner surface of the joint formed by the base bar of each outer wall panel and a groin surface of the outer wall material.
The mounting plate has a Z-shaped cross section and its fixed flange
Part is sandwiched between the above-mentioned base bar and the outer wall material,
The flange is jointed on the deeper side of the joint than the fixed flange.
Assume that protrudes within, or One supported on the receiving plate elastic sealing sheet thick strip for closing a joint provided, a cross shape to be adhered to the joint interior surface with an adhesive in the vicinity of the intersection of the said joint A waterproof material is provided on the outer side of the elastic seal sheet so as to be overlapped, and a joint finishing material made of a rubber-like elastic body is fitted in the vertical and horizontal joints outside the cross-shaped waterproof material and the elastic seal sheet. Dry waterproof structure of joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1903094A JP3318426B2 (en) | 1994-01-18 | 1994-01-18 | Dry waterproof structure at intersections |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1903094A JP3318426B2 (en) | 1994-01-18 | 1994-01-18 | Dry waterproof structure at intersections |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07207776A JPH07207776A (en) | 1995-08-08 |
| JP3318426B2 true JP3318426B2 (en) | 2002-08-26 |
Family
ID=11988064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1903094A Expired - Fee Related JP3318426B2 (en) | 1994-01-18 | 1994-01-18 | Dry waterproof structure at intersections |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3318426B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5566728B2 (en) * | 2010-03-08 | 2014-08-06 | 大和ハウス工業株式会社 | Dry water blocking structure at joints on outer walls |
-
1994
- 1994-01-18 JP JP1903094A patent/JP3318426B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07207776A (en) | 1995-08-08 |
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|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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| LAPS | Cancellation because of no payment of annual fees |