JPH032588Y2

JPH032588Y2 -

Info

Publication number: JPH032588Y2
Application number: JP1984176504U
Authority: JP
Priority date: 1984-11-19
Filing date: 1984-11-19
Publication date: 1991-01-24
Also published as: JPS6190929U

Description

【考案の詳細な説明】本考案は建築、構築物の内、外装の横張り壁体
を形成するのに有用なサイデイングボード（以
下、単にボードという）に関するものである。従来から使用されているこの種ボードとして
は、例えば特公昭51−29339号、実公昭51−
11882号、実公昭54−26649号などがある。しか
しながら、この種ボードにおいて最大の欠点は化
粧面が山状になり、これを用いて形成した壁体は
連続した山のような外観となることであつた。換
言すれば、ボードの化粧面が山状になると美観性
に劣るばかりでなく、施工しにくく、かつ、連結
部の防水性に欠けると共に、離脱する等の不利が
あつた。また、この種ボードは引掛け構造が多
く、施工上の関係から目地幅が不均一となる欠点
があつた。さらに、この種ボードは化粧面が設計
上、平坦（エンボス加工も含む）であり、かつ、
単なる段差、凹凸にすぎず、立体感に欠けると共
に、働き幅が少ないため、施工性に欠ける不利が
あつた。その他、この種ボードにおいては、落し
込み型の連結構造としたボードも知られている
が、立体感、防水性、断熱性、施工性、経済性に
欠ける不利があつた。本考案はこのような欠点を除去するため、化粧
面部を階段状に形成し、かつ、その段差を強調す
る空隙を有する窪部を段差部分に設け、区分線を
より明確化し、しかもボードを連結した際に形成
される雄、雌型連結部に目地の外観を化粧面部の
段差外観に酷似した構造とし、ボードの施工が容
易で１人の作業員で、しかも熟練を要さずに作業
を行なうことができ、しかも均一な横目地幅とな
り、その上、化粧面の変形もなく、かつ、雄型連
結部の係合溝の上縁の途中にボードの長手方向と
平行に突条を設け、施工の際、隣接ボードの化粧
面と突条が接触することにより雨水等のふきあげ
による内部への浸入を阻止し、防水性、立体化を
大幅に助長したボードを提案するものである。以下に、図面を用いて本考案に係るボードにつ
いて説明する。すなわち、上記ボードＡは第１図
に示すように、例えば表面処理鋼板、鋼板に亜
鉛・ニツケル合金をメツキした鋼板、アルミ・亜
鉛合金メツキ鋼板（商品名ガルフアン、ガルバリ
ユウム鋼板、スーパージンク）、アルミニウム板、
アルミニウム合金板、銅板等の１種からなる金属
板（平板、エンボス加工板も含む）をロール、ま
たはプレスで成形したり、あるいは押出し成形な
どの１種により第２図に示すような形状に形成し
た表面材１と裏面材２４間に断熱材２５を一体に
充填してサンドイツチ構造としたものである。さ
らに説明すると、表面材１は長尺状の化粧面部２
と雄型連結部６と雌型連結部１６と断熱材２５を
充填する樋状部２３とから構成したものである。
すなわち、化粧面部２は長尺状の板材の表面の任
意位置（図においてはほぼ中央）に表面の長手方
向と平行に図示するように、少なくとも１段を形
成した段差片３とその下端を内方へ折り返して例
えば深さ２〜10mm位とした窪部４とから形成した
段差部５と段差片３とによつて区分した複数個の
長尺状の傾斜化粧片（以下、単に化粧片という）
２ａ，２ｂと、化粧片２ｂの上端縁に形成した空
隙５ａとから構成したものである。なお、空隙５
ａの大きさは表面材１の折り曲げ時に生ずる間隙
の大きさ、あるいは任意に形成したものであり、
段差片３の下端と化粧片２ｂ間をより明確に区分
することによつて、化粧面部２の立体感を助長す
ると共に、強度をも補強するものである。上記化
粧面部２は主に表面材の表面を階段状に形成して
立体感を助長すると共に、強度を向上し、ボード
を広幅に形成しても山状となるのを防し、美観性
を保つことが可能である。特に、窪部４は段差部
５の区分線を明確に形成し、段差片３を視覚的に
より大きく、かつ、明確に見せるのに有効なもの
である。雄型連結部６は化粧面部２の上端となる
端縁を長手方向と平行に窪ませて雨返しと毛細管
現象の阻止を図る溝部７とその先端に形成した補
強リブ８（図ではパイプ状）とから形成した差込
縁９と差込縁９を上端とする係合溝１０と係合溝
１０の下縁１１を外方へ突出した延長部１２とか
ら構成したものである。さらに説明すると、延長
部１２は釘打設片１３とその先端を内方へＬ字状
に長手方向と平行に屈曲した補強兼嵩上げ片１４
とその先端を内方へ屈曲した舌片１５とから形成
したものである。この補強兼嵩上げ片１４はボー
ドを釘で下地に打設する際に断熱材２５がつぶれ
るのを防止すると共に、断熱材２５を充填する
際、合成樹脂発泡体のように原料で吐出して充填
する断熱材２５に対してはボードの側面の型とし
て機能し、側縁からの漏洩を防止する機能を果た
し、また断熱材２５が成形体の場合は断熱材２５
の端部を挟持し、表面材１との一体化を補強する
ものである。雌型連結部１６は化粧面部２の下端
を内方へ屈曲した段差片１７と、その下端を内方
へ屈曲した上縁１８と、その途中に長手方向と平
行に設けた突条１９と、上縁１８の先端を外方へ
折り曲げて下縁２０を形成した前記差込縁９を嵌
合する嵌合溝２１と下縁２０の先端を内方へ屈曲
した舌片２２とから形成したものである。さらに
説明すると、嵌合溝２０に差込縁９を嵌合すると
上縁１８は溝部７、化粧片２ａ（化粧面部２の上
部の化粧片）の端部にラツプするが、このとき突
条１９は化粧面部２の上端部で接触し、ボードの
連結部からの雨水の浸入を阻止すると共に、係合
力を強化し、補強リブ８との間に溝部７とともに
空隙を確実に形成し、毛細管現象を阻止し、ボー
ドの連結部の防水性を向上するためのものであ
る。また下縁２０は係合溝１０に挿入し、差込縁
９が嵌合溝２１に挿入することと相俟つて、より
係合力を強化するのに役立つものである。また、
樋状部２３は化粧面部２と雄、雌型連結部６、１
６で囲まれた空間であり、断熱材２５を充填する
ためのものである。なお、表面材１の各部の寸
法、角度は次のように設定したものである。すな
わち化粧片２ａ，２ｂは平行、または略平行であ
り、段差片３，１７も互いに平行、または略平行
である。また、段差片１７と上縁１８の角度θ₁、
および嵌合溝２１の角度θ₂は差込縁９の角度に応
じて定まるものである。また、段差片３，１７の
高さh₁，h₂は同一か、ほぼ同一である。さらに、
窪み部４の空隙５ａの高さΔh₁は任意であるが、
第３図に示すようにボードＡ間の目地部における
空隙Δh₂とほぼ同一とすることにより、壁全体が
同じ段差部５によつて構成されているような外観
となる。また突条１９の高さをh₃とすると、h₃≒
Δh₂の関係にあり、突条１９の位置はボードＡを
係合した場合、化粧面部２の上端と接触する位置
とする。裏面材２４は少なくとも断熱材２５の裏
面を被覆するためのものであり、ボード自体の機
械強度を強化すると共に、不燃シート、防水膜、
遮熱シート、吸水シート、防音シート、剥離シー
ト、パツキング材、補強シートなどの１部材とし
て機能するものであり、例えばアスベスト紙、ク
ラフト紙、アスフアルトフエルト、金属箔（Al，
Pb，Fe）、合成樹脂シート、ゴムシート、布シー
ト、ガラスクロスの１種、もしくはこれらの１種
以上を組み合わせたもの、あるいはこの種シート
に対して防水、難燃等の処理を施したもの、もし
くは前記したような金属板などの１種からなるも
のである。また、断熱材２５は少なくとも樋状部
２３（図では延長部１２の裏面まで）に充填し、
ボードに断熱性を付与するものであり、副次的に
接着性、不燃性などの機能を有する素材の１種か
らなるものである。具体的には合成樹脂発泡体、
ロツクウール、グラスウール、シージングボー
ド、石膏ボード、木毛セメント板等の１種からな
り、成形体、あるいは原料で吐出し、成形、固
化、自己接着させるものなどの１種からなるもの
である。なお、成形体を用いる場合には表面材
１、裏面材２４間に接着剤（図示せず）が必要で
ある。さらに説明を加えると、断熱材２５として
は主に合成樹脂発泡体で、例えばポリウレタンフ
オーム用樹脂、ポリイソシアヌレートフオーム用
樹脂、フエノールフオーム用樹脂、およびこれら
に難燃剤、難燃助剤（硼砂、メタ硼酸ソーダ、炭
酸カルシウム、水酸化アルミニウム、三酸化アン
チモン）、ベントナイト、パーライト粒、シラス
バルーン等の１種以上を添加したものなどからな
るものである。次に施工例につき説明する。いま、第１図に示
すようなボードを第３図に示すように横張りして
外壁を構成すると仮定する。なお、ボードA₁，
A₂は表面材１が0.27mmのカラー鋼板、裏面材２４
がアルミ・クラフト紙であり、かつ、断熱材２５
はポリイソシアヌレートフオーム用原料を表面材
１と裏面材２４間に吐出し、反応発泡させ、次に
キユアして一体化したものである。そこで、主
柱、間柱、防水シート等からなる下地（図では防
水シートを使用しない場合の壁下地を示す）αに
第ｎ段目のボードA₁の延長部１２を釘βを介し
て固定する。次に第ｎ＋１段目のボードA₂の雌
型連結部１６の嵌合溝２１をボードA₁の雄型連
結部６の差込縁９に嵌挿し、第３図のような目地
部を形成するものである。すなわち、横目地部は
ボードA₁，A₂の段差部５と同じ外観となるよう
に形成したものである。換言すると、ボードA₂
の雌型連結部１６とボードA₁の化粧片２ａの上
端部とが接触し、そこに僅かの間隙Δh₂を形成し
てボードＡの段差部５に酷似した外観を形成する
ようにしたものである。また、外壁全体を形成す
るには、上記したような工程を土台から桁に向か
つて行なえばよいものである。なお、土台部分に
はスタータ（図示せず）、壁の縦目地、出、入隅
等の部分（図示せず）にはコーキング材、役物を
用いる必要がある。なお、ボードA₁，A₂の裏面
と壁下地α間に３角形断面の空隙Ｂが形成される
が、これはエアサイクル、断熱層として有効に作
用するものである。以上説明したのは、本考案に係るボードの一実
施例にすぎず表面材１を第４図ａ〜ｉ〜第７図ａ
〜ｈに示すように形成することもできる。すなわ
ち、第４図ａ〜ｉは延長部１２のその他の実施例
を示す略図であり、ａ図は補強兼嵩上げ片１４に
舌片１５を形成しない延長部、ｂ，ｃ図は釘打設
片１３の先端、あるいはその途中に化粧面部２と
平行に突条１２ａを形成し、より係合力、防水性
を強化した延長部１２、ｄ〜ｆ図は補強兼嵩上げ
片１４をＬ字状断面とせずに、垂直片１４ａのみ
で形成した延長部１２、ｇ図は補強兼嵩上げ片１
４を逆Ｌ字状断面とし、必要に応じて釘打設部と
しても機能する延長部１２、ｈ図は釘打設片１３
を角度θ₃で傾斜し、雌型連結部１６の挿入を容易
にした延長部１２、ｉ図は補強兼嵩上げ片１４を
除去した延長部１２である。なお、ｅ図はその下
端に舌片１４ｂを、ｆ図は垂直片１４ａの高さh₅
を、第２図に示す垂直片１４ａの高さh₄の1/2に
形成した延長部、すなわち垂直片１４ａの高さを
断熱材２５の雄型連結部６側の端部の厚さの1/2
とした延長部である。また、第５図ａ〜ｆは雄型
連結部６の変形例であり、ａ図は延長部１２に対
し係合溝１０の上縁１０ａを角度θ₄となるように
形成した係合溝１０、ｂ図は上記の上縁１０ａを
ほぼ水平にした係合溝１０、ｃ図は溝部７の底面
７ａと上縁１０ａとを平行になるように形成した
溝部７、ｄ図は溝部７を除去した係合溝１０、ｅ
図は差込縁９の先端を突起状に形成し、溝部７を
設けなかつた雄型連結部６、ｆ図は溝部７の途中
に突条７ｂを設けた雄型連結部６である。また、
第６図ａ〜ｈは段差部５のその他の実施例を示
し、ａ図，ｂ図は段差片３の下端と窪部４の上縁
４ａによつて形成される角部、あるいは化粧片２
ａと段差片３の上端によつて形成される角部に段
差強化用の面取り面５ｂを形成した段差部、ｃ図
は角度θ₅を鈍角とした段差部、ｄ〜ｈ図は窪部４
の断面を図のように形成した段差部５である。ま
た、第７図ａ〜ｈは雌型連結部１６のその他の実
施例を示し、ａ図は突条１９を図示すような形状
とした雌型連結部１６、ｂ図は突条１９の位置を
段差片１７と上縁１８の境界に設けた雌型連結部
１６、ｃ図は下縁２０にも突条２０ａを設けた雌
型連結部１６、ｄ，ｅ図は嵌合溝２１の最奥部を
図示するように形成し、毛細管現象を阻止する雌
型連結部１６、ｆ図は段差片１７の下端と上縁１
８によつて形成される角部を図示するように形成
し、防水性、段差の強化を図る雌型連結部１６、
ｇ図は上縁１８を角度θ₆のように傾斜させ、より
防水性を強化する雌型連結部１６、ｈ図は舌片２
２を外方に屈曲した雌型連結部１６である。勿
論、舌片２２は必要に応じて内側方へ長く形成す
ることもできるものである。なお、第４図ａ〜
ｉ、第５図ａ〜ｆ、第６図ａ〜ｈ図、第７図ａ〜
ｈ図において表面材１の肉厚は省略して示す。ま
た第８図ａ，ｂ図は化粧面部２にリブ２５を形成
した表面材であり、ａ図は段差片３、図示しない
段差片１７に垂直リブ２５ａ、あるいは１点鎖線
で示すように化粧片２ａ，２ｂに水平リブ２５ｂ
を形成した表面材１、ｂ図は化粧片２ａ、と段差
片３、化粧片２ｂと段差片１７（図示せず）に図
示するようなリブ２５ｃを設け、外観を平瓦状に
形成した表面材１である。また、第９図ａ〜ｎは
ボードのその他の実施連を示すものであり、ａ図
は表面材１の補強兼嵩上げ片１４を除去し、断熱
材２５が側縁に露出するか、１点鎖線で示すよう
に、裏面材２４の一端で被覆するように形成した
ボード、ｂ図は断熱材２５の雄型連結部６の側縁
を図のように形成したボード、ｃ図は裏面材２４
の少なくとも一端を図示するように内側に挿入し
たボード、ｄ図〜ｈ図は図示する位置に防火性、
防水性等を有するコーキング材２６を植設したボ
ード、ｉ図は釘打設片１３の裏面の断熱材２５を
全部、あるいは図示しないが半分位除去し、そこ
に不燃材（石膏ボード、ロツクウールボード）２
７を配設したボード、ｊ図は断熱材２５を図のよ
うに形成し、ボードを壁下地に塗工した際に空隙
が形成されないようにしたボード、ｋ図は断熱材
２５を２層（同質、異質）、あるいは図示しない
が、表面材１の化粧片２ａ，２ｂと断熱材２５間
に空隙を形成したようなボード、ｌ図は段差部５
を３段形成したボード、ｍ図は断熱材２５のうち
表面材１の延長部１２の裏面部分を除去したボー
ド、ｎ図は表面材１を押し出し成形したボードで
ある。なお、図示しないが、断熱材２５の裏面に
裏面材２４を貼着しないボードも形成できるもの
である。もちろん第４図〜第７図を各々組み合わ
せた表面材とすることもできる。上述したように本考案に係るボードによれば、
化粧面部に少なくとも１段の段差部を形成したた
め、強度が十分に補強されて化粧面が山状になつ
たりすることがなく、美観性にすぐれた壁を形成
できる特徴がある。また、段差部に空隙を有する
窪部を設けたため、化粧片間の段差が従前よりは
るかに大きく助長され、化粧面部全体が立体感に
富む外観となる特徴がある。さらに、雄、雌型連
結部を前記した落し込み構造に形成したため、一
人でも十分に施工でき、かつ、目地幅（横）を一
定に形成することができ、ボード間の連結に熟練
を要さず、その上、ボードを広幅に形成したた
め、きわめて高能率で施工できる特徴がある。さ
らに、本考案に係るボードで壁を形成した際は段
差部と横目地部の外観が少なくとも殆ど同様にな
るため、美しい外観で、かつ、立体感に富む壁を
形成できる特徴がある。その上、雌型連結部の嵌
合溝の上縁の途中に突条を設けたため、雨水の吹
上げによる雨水の内部への浸入を阻止し、連結部
における防水性をより向上できる特徴がある。し
かも、ボードの芯材として断熱材が充填されてい
ると共に、横目地部が断熱材の２重層となるた
め、断熱性にすぐれた壁を形成でき、耐結露性、
耐火性にもすぐれた壁を形成できる特徴がある。 [Detailed Description of the Invention] The present invention relates to a siding board (hereinafter simply referred to as a board) useful for forming horizontal walls for the interior and exterior of buildings and structures. Examples of this type of board that have been used in the past include Tokko No. 51-29339 and Utility Model No. 51-
These include No. 11882 and Utsuko No. 54-26649. However, the biggest drawback of this type of board is that the decorative surface becomes mountain-like, and walls formed using it have the appearance of a continuous mountain. In other words, when the decorative surface of the board becomes mountain-like, it not only has poor aesthetics, but also is difficult to install, and there are disadvantages such as a lack of waterproofness at the connecting portion and the possibility of the board coming off. In addition, many of these types of boards have a hanging structure, which has the disadvantage of uneven joint width due to construction considerations. Furthermore, the decorative surface of this type of board is flat (including embossed) by design, and
It was just a step or unevenness, lacking a three-dimensional effect, and the working width was small, so it had the disadvantage of lack of workability. In addition, boards of this kind that have a drop-in type connection structure are also known, but these have the disadvantages of lacking three-dimensionality, waterproofness, heat insulation, workability, and economy. In order to eliminate these drawbacks, the present invention forms the decorative surface part in a step-like manner, and provides a hollow part with a gap that emphasizes the difference in the step part to make the dividing line clearer and connect the boards. The appearance of the joints in the male and female joints that are formed when this process is made is a structure that closely resembles the appearance of the steps in the decorative surface area, and the board can be easily installed by one worker without requiring any skill. Moreover, the horizontal joint width is uniform, there is no deformation of the decorative surface, and a protrusion is provided in the middle of the upper edge of the engagement groove of the male connecting part parallel to the longitudinal direction of the board. During construction, the projecting ridges come into contact with the decorative surface of the adjacent board, thereby preventing rainwater from seeping into the interior due to blown up water, thereby significantly promoting waterproofness and three-dimensionality. The board according to the present invention will be described below with reference to the drawings. That is, as shown in FIG. 1, the board A is made of, for example, a surface-treated steel sheet, a steel sheet plated with a zinc-nickel alloy, an aluminum-zinc alloy plated steel sheet (product name: Gulfuan, Galvalium Steel Sheet, Super Zinc), or an aluminum sheet. ,
Forming a metal plate (including flat plate and embossed plate) made of one type of aluminum alloy plate, copper plate, etc. by roll or press, or by extrusion molding into the shape shown in Figure 2. A heat insulating material 25 is integrally filled between the front surface material 1 and the back surface material 24 to form a sanderch structure. To explain further, the surface material 1 has a long decorative surface portion 2.
It is composed of a male connecting portion 6 , a female connecting portion 16 , and a gutter-like portion 23 filled with a heat insulating material 25.
That is, the decorative surface part 2 includes a stepped piece 3 formed with at least one step and its lower end at an arbitrary position (approximately the center in the figure) on the surface of the elongated plate material, as shown in the figure, parallel to the longitudinal direction of the surface. A plurality of long slanted decorative pieces (hereinafter simply referred to as decorative pieces) are divided by a stepped part 5 and a stepped piece 3 formed from a recessed part 4 with a depth of about 2 to 10 mm by folding back toward the side (hereinafter simply referred to as a decorative piece). )
2a, 2b, and a gap 5a formed at the upper edge of the decorative piece 2b. In addition, the void 5
The size of a is the size of the gap that occurs when the surface material 1 is bent, or is arbitrarily formed.
By more clearly separating the lower end of the stepped piece 3 and the decorative piece 2b, the three-dimensional effect of the decorative surface portion 2 is promoted, and the strength is also reinforced. The decorative surface section 2 mainly forms the surface of the surface material in a step-like manner to promote a three-dimensional effect, improve strength, prevent the board from becoming mountainous even if it is made wide, and improve the aesthetic appearance. It is possible to keep it. In particular, the recessed portion 4 is effective in clearly forming a dividing line of the stepped portion 5 and making the stepped piece 3 visually larger and clearer. The male connecting part 6 has a groove part 7 whose upper edge of the decorative surface part 2 is depressed parallel to the longitudinal direction to prevent rain and capillary phenomenon, and a reinforcing rib 8 (pipe-shaped in the figure) formed at the tip of the groove part 7. It is composed of an insertion edge 9 formed from the above, an engagement groove 10 having the insertion edge 9 as an upper end, and an extension portion 12 projecting outward from the lower edge 11 of the engagement groove 10. To explain further, the extension part 12 includes a nailing piece 13 and a reinforcing/raising piece 14 whose tip is bent inward in an L-shape parallel to the longitudinal direction.
and a tongue piece 15 whose tip is bent inward. This reinforcement/heightening piece 14 prevents the insulation material 25 from being crushed when the board is nailed to the base, and when filling the insulation material 25, it is filled by discharging raw material like synthetic resin foam. The insulation material 25 functions as a mold for the side surface of the board and prevents leakage from the side edges.
This is to sandwich the edges of the material 1 and reinforce its integration with the surface material 1 . The female connecting part 16 includes a step piece 17 whose lower end of the decorative surface part 2 is bent inward, an upper edge 18 whose lower end is bent inward, and a protrusion 19 provided in the middle thereof parallel to the longitudinal direction. The lower edge 20 is formed by bending the tip of the upper edge 18 outward, and a fitting groove 21 into which the insertion edge 9 is fitted, and a tongue piece 22 with the tip of the lower edge 20 bent inward. It is. To explain further, when the insertion edge 9 is fitted into the fitting groove 20, the upper edge 18 wraps around the groove 7 and the end of the decorative piece 2a (the upper decorative piece of the decorative surface part 2 ). contacts at the upper end of the decorative surface part 2 , prevents rainwater from entering from the connection part of the board, strengthens the engagement force, and reliably forms a gap with the groove part 7 between the reinforcing rib 8 and prevents capillary action. This is to prevent water damage and improve the waterproofness of the connecting parts of the boards. In addition, the lower edge 20 is inserted into the engagement groove 10, and the insertion edge 9 is inserted into the engagement groove 21, which together serve to further strengthen the engagement force. Also,
The gutter-like portion 23 connects the decorative surface portion 2 with male and female connecting portions 6 and 1.
This is a space surrounded by 6, and is for filling with a heat insulating material 25. Note that the dimensions and angles of each part of the surface material 1 are set as follows. That is, the decorative pieces 2a and 2b are parallel or substantially parallel, and the stepped pieces 3 and 17 are also parallel or substantially parallel to each other. Also, the angle θ ₁ between the step piece 17 and the upper edge 18,
The angle θ ₂ of the fitting groove 21 is determined according to the angle of the insertion edge 9. Further, the heights h ₁ and h ₂ of the stepped pieces 3 and 17 are the same or almost the same. moreover,
Although the height Δh ₁ of the void 5a of the recessed portion 4 is arbitrary,
As shown in FIG. 3, by making the gap Δh ₂ substantially the same as the gap between the boards A, the appearance appears as if the entire wall is made up of the same stepped portions 5. Also, if the height of the protrusion 19 is h ₃ , then h ₃ ≒
There is a relationship of Δh ₂ , and the position of the protrusion 19 is such that it comes into contact with the upper end of the decorative surface portion 2 when the board A is engaged. The back material 24 is for covering at least the back surface of the heat insulating material 25, and strengthens the mechanical strength of the board itself, and is made of noncombustible sheet, waterproof membrane,
It functions as a component of heat shielding sheets, water absorbing sheets, soundproofing sheets, release sheets, packing materials, reinforcing sheets, etc. For example, asbestos paper, kraft paper, asphalt felt, metal foil (Al,
Pb, Fe), synthetic resin sheet, rubber sheet, cloth sheet, glass cloth, or a combination of one or more of these, or a sheet treated with waterproofing, flame retardant, etc. Alternatively, it may be made of one type of metal plate as described above. Further, the heat insulating material 25 is filled in at least the gutter-like portion 23 (in the figure, up to the back surface of the extension portion 12),
It imparts heat insulation properties to the board, and is made of a type of material that also has adhesion, non-combustibility, and other functions. Specifically, synthetic resin foam,
It is made of one type of rock wool, glass wool, sheathing board, gypsum board, wood wool cement board, etc., and it is also made of one type of molded product or one that is discharged from raw materials, molded, solidified, and self-adhesive. In addition, when using a molded body , an adhesive (not shown) is required between the front material 1 and the back material 24. To explain further, the heat insulating material 25 is mainly made of synthetic resin foam, such as resin for polyurethane foam, resin for polyisocyanurate foam, resin for phenol foam, and flame retardants and flame retardant aids (borax, borax, etc.). It consists of one or more of sodium metaborate, calcium carbonate, aluminum hydroxide, antimony trioxide), bentonite, pearlite grains, shirasu balloons, etc. Next, a construction example will be explained. Assume now that the boards shown in FIG. 1 are laid horizontally as shown in FIG. 3 to form an exterior wall. In addition, board A ₁ ,
For A ₂ , the surface material 1 is a 0.27mm color steel plate, and the back material 24
is aluminum/kraft paper, and the insulation material is 25
The raw material for polyisocyanurate foam is discharged between the surface material 1 and the back material 24, reacted and foamed, and then cured and integrated. Therefore, the extension part 12 of the n-th stage board A ₁ is fixed to the base α consisting of main pillars, studs, waterproof sheets, etc. (the figure shows the wall base when no waterproof sheets are used) via nails β. . Next, the fitting groove 21 of the female connecting portion 16 of the n+1th board A ₂ is fitted into the insertion edge 9 of the male connecting portion 6 of the board A ₁ to form a joint as shown in Fig. 3. It is something to do. That is, the horizontal joints are formed to have the same appearance as the step portions 5 of the boards A ₁ and A ₂ . In other words, board A ₂
The female connecting part 16 of the board A1 is in contact with the upper end of the decorative piece 2a of the board _A1 , and a slight gap _Δh2 is formed therebetween, so that an appearance very similar to the stepped part 5 of the board A is formed. It is. In addition, in order to form the entire outer wall, it is sufficient to carry out the steps described above from the base to the girder. Note that it is necessary to use a starter (not shown) for the base, and caulking material and accessories for vertical joints, exits, and corners of the wall (not shown). Note that a gap B having a triangular cross section is formed between the back surfaces of the boards A ₁ and A ₂ and the wall base α, which effectively functions as an air cycle and a heat insulating layer. What has been described above is only one embodiment of the board according to the present invention, and the surface material 1 is shown in FIGS. 4a to 7a.
It can also be formed as shown in ~h. That is, FIGS. 4a to 4i are schematic diagrams showing other embodiments of the extension part 12, in which figure a shows an extension part in which the tongue piece 15 is not formed on the reinforcing/heightening piece 14, and figures b and c show a nailing piece. An extension part 12 is formed with a protrusion 12a parallel to the decorative surface part 2 at the tip of the part 13 or in the middle thereof to further strengthen the engagement force and waterproof property. The extension part 12 is formed only by the vertical piece 14a, and the illustration in g shows the reinforcing and raising piece 1.
4 has an inverted L-shaped cross section, and an extension part 12 that also functions as a nailing part if necessary, and Figure h shows a nailing piece 13.
The extension part 12 is inclined at an angle θ ₃ to facilitate the insertion of the female connecting part 16. Figure i shows the extension part 12 with the reinforcing and raising piece 14 removed. Note that the figure e shows the tongue piece 14b at the lower end, and the figure f shows the height _h5 of the vertical piece 14a.
2, the height of the vertical piece _14a is equal to the thickness of the end of the heat insulating material 25 on the male connecting part 6 side. 1/2
This is the extension part. FIGS. 5a to 5f show modified examples of the male connecting portion 6 , and _FIG . , b shows the engagement groove 10 with the upper edge 10a made almost horizontal, c shows the groove 7 with the bottom surface 7a of the groove 7 and the top edge 10a parallel to each other, and d shows the groove 7 removed. Engagement groove 10, e
The figure shows a male connecting part 6 in which the tip of the insertion edge 9 is formed into a protrusion and no groove part 7 is provided, and Figure f shows a male connecting part 6 in which a protrusion 7b is provided in the middle of the groove part 7. Also,
6A to 6H show other embodiments of the stepped portion 5, and FIGS. 6A and 6B show the corner formed by the lower end of the step piece 3 and the upper edge 4a of the recessed portion 4, or the decorative piece 2.
Fig. a shows a step part with a chamfered surface 5b for reinforcing the step formed at the corner formed by the upper end of the step piece 3; Fig. c shows a step part with an obtuse angle of θ ₅ ; Figs.
This is a stepped portion 5 whose cross section is formed as shown in the figure. 7a to 7h show other embodiments of the female type connecting portion 16 , in which figure a shows the female type connecting portion 16 with the protrusion 19 shaped as shown, and figure b shows the position of the protrusion 19. The female type connecting part 16 is provided at the boundary between the stepped piece 17 and the upper edge 18, the female type connecting part 16 is provided with a protrusion 20a also on the lower edge 20 in figure c, and the female type connecting part 16 is provided at the edge of the fitting groove 21 in figures d and e. The inner part is formed as shown in the figure, and the female type connecting part 16 prevents capillary action.
A female connecting portion 16 is formed with corners formed by 8 as shown in the figure to strengthen waterproofness and step height.
Figure g shows the female connecting part 16 whose upper edge 18 is inclined at an angle θ ₆ to further strengthen waterproofness, and figure h shows the tongue piece 2.
2 is a female type connecting portion 16 bent outward. Of course, the tongue piece 22 can also be formed to be longer inwardly if necessary. In addition, Figure 4 a~
i, Figure 5 a-f, Figure 6 a-h, Figure 7 a-
In figure h, the thickness of the surface material 1 is omitted. FIGS. 8a and 8b show a surface material in which ribs 25 are formed on the decorative surface portion 2 , and FIG. Horizontal ribs 25b on 2a and 2b
The surface material 1 formed with the above-mentioned surface material 1, Figure b shows a surface in which ribs 25c as shown are provided on the decorative piece 2a, the stepped piece 3, the decorative piece 2b and the stepped piece 17 (not shown), and the appearance is formed into a flat tile shape. It is material 1 . In addition, FIGS. 9 a to 9 n show other implementations of the board, and FIG. As shown by the chain line, a board formed to cover one end of the backing material 24, figure b is a board formed with the side edge of the male connecting part 6 of the heat insulating material 25 as shown, and figure c is a board formed to cover the backing material 24.
At least one end of the board is inserted inside as shown in Figures d-h, with fire-resistant,
A board on which a caulking material 26 having waterproof properties is planted, and Figure i shows that all or half of the insulation material 25 on the back side of the nailing piece 13 has been removed, and a noncombustible material (gypsum board, rock wool) has been removed there. board) 2
Figure j shows a board with heat insulating material 25 formed as shown in the figure to prevent voids from forming when the board is applied to the wall base, and figure k shows two layers of heat insulating material 25 ( A board with a gap formed between the decorative pieces 2a, 2b of the surface material 1 and the heat insulating material 25 (not shown), the step part 5 shown in FIG.
Figure m shows a board in which the back side of the extension part 12 of the surface material 1 is removed from the heat insulating material 25, and Figure N shows a board in which the surface material 1 is extruded. Although not shown, it is also possible to form a board in which the back material 24 is not attached to the back surface of the heat insulating material 25. Of course, it is also possible to use a surface material that combines each of FIGS. 4 to 7. As mentioned above, according to the board according to the present invention,
Since at least one stepped portion is formed in the decorative surface portion, the strength is sufficiently reinforced and the decorative surface does not become mountain-like, making it possible to form a wall with excellent aesthetics. In addition, since the step portion is provided with a recessed portion having a void, the step difference between the decorative pieces is promoted to be much larger than before, and the entire decorative surface portion has a feature that the appearance is rich in three-dimensional effect. Furthermore, since the male and female joints are formed into the above-mentioned drop-in structure, it can be easily carried out by one person, and the joint width (horizontal) can be made constant, and no skill is required to connect the boards. Moreover, because the board is formed wide, it can be constructed with extremely high efficiency. Furthermore, when a wall is formed using the board according to the present invention, the appearance of the stepped portion and the horizontal joint portion are at least almost the same, so that the wall can be formed with a beautiful appearance and a rich three-dimensional effect. Furthermore, a protrusion is provided in the middle of the upper edge of the fitting groove of the female connector, which prevents rainwater from entering the interior due to blown-up rainwater, thereby further improving the waterproofness of the connector. . In addition, the board is filled with insulation material as a core material, and the side joints have a double layer of insulation material, so it is possible to form a wall with excellent insulation, and it is resistant to condensation.
It also has the characteristic of forming walls with excellent fire resistance.

[Brief explanation of the drawing]

第１図は本考案に係るサイデイングボードの一
実施例を示す斜視図、第２図はその構成材である
表面材を示す斜視図、第３図は上記ボードを用い
て形成した外壁の縦断面の一部示す説明図、第４
図ａ〜ｉ、第５図ａ〜ｆ、第６図ａ〜ｈ、第７図
ａ〜ｈ、第８図ａ，ｂは表面材の各部分のその他
の実施例を示す説明図、第９図ａ〜ｎは本考案に
係るサイデイングボードのその他の実施例を示す
説明図である。１…表面材、２…化粧面部、５…段差部、６…
雄型連結部、１６…雌型連結部、１９…突条、２
４…裏面材、２５…断熱材、α…壁下地。 Fig. 1 is a perspective view showing an embodiment of the siding board according to the present invention, Fig. 2 is a perspective view showing the surface material that is a component of the siding board, and Fig. 3 is a vertical cross-section of an outer wall formed using the above board. Explanatory diagram showing a part of
Figures a to i, Figures 5 a to f, Figures 6 a to h, Figures 7 a to h, and Figures 8 a and b are explanatory views showing other embodiments of each part of the surface material; Figures a to n are explanatory diagrams showing other embodiments of the siding board according to the present invention. DESCRIPTION OF SYMBOLS 1 ... Surface material, 2 ... Decorative surface part, 5... Step part, 6 ...
Male type connecting part, 16 ...Female type connecting part, 19... Projection, 2
4...Backing material, 25...Insulating material, α...Wall base material.

Claims

[Scope of utility model registration request]

A step is provided on the surface of a long plate material in parallel with the longitudinal direction of the surface, the lower end of the step is bent inward, and then folded back outward to form a recess, and the lower end of the step piece and the decorative piece are At least one stepped portion with a folded gap formed therebetween is provided, and a decorative surface portion is formed in a step-like manner on the surface, and an edge serving as the upper end of the decorative surface portion is recessed parallel to the longitudinal direction to form a groove portion. The insertion edge provided,
a male connecting part consisting of an engaging groove whose upper edge is the insertion edge and an extension part which projects the lower edge of the engaging groove outward;
The lower end of the decorative surface portion is bent inward, and then bent inward to have a U-shaped cross section to provide a fitting groove that fits with the insertion edge, and a longitudinal groove is provided in the middle of the upper edge of the fitting groove. A surface material of a cross-sectional gutter material formed from a female connecting part with protrusions parallel to the direction, a gutter-shaped part of the surface material, and an extension part disposed on the back surface of the surface material, and the back surface is flat. A siding board characterized in that a heat insulating material formed as described above and a back material covering the back surface of the heat insulating material are integrally formed.