JP5129619B2 - Outside heat insulation structure - Google Patents

Outside heat insulation structure Download PDF

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JP5129619B2
JP5129619B2 JP2008066572A JP2008066572A JP5129619B2 JP 5129619 B2 JP5129619 B2 JP 5129619B2 JP 2008066572 A JP2008066572 A JP 2008066572A JP 2008066572 A JP2008066572 A JP 2008066572A JP 5129619 B2 JP5129619 B2 JP 5129619B2
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heat insulating
insulating material
trunk edge
trunk
outer heat
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JP2009221721A (en
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学 鈴木
昌彦 池田
浩史 松山
弘 市川
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Asahi Fiber Glass Co Ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/24—Structural elements or technologies for improving thermal insulation
    • Y02A30/244—Structural elements or technologies for improving thermal insulation using natural or recycled building materials, e.g. straw, wool, clay or used tires

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Description

本発明は、外断熱構造に有用な外断熱用断熱材、外断熱用胴縁および外断熱構造に関する。   The present invention relates to an outer heat insulating material useful for an outer heat insulating structure, an outer heat insulating trunk, and an outer heat insulating structure.

従来より、建物の柱間に断熱材を配置して建物を断熱するとともに、上記壁構造の外側にさらに外断熱材を配置させることにより、建物の断熱性能を高める構造が広く採用されている。例えば、特許文献１には、断熱壁の外側に、下辺部に圧縮部材を有する外断熱材を多段に配置させ、圧縮部材の外側に横胴縁により通気層を設けることが記載されている。また、特許文献２には、支柱が埋め込まれた断熱材を用いて支柱を建物の柱の外側に配置し、さらに外側に縦胴縁を設け、断熱材と柱とを一体化する構成が記載されている。
特開２００５−２００９２４号公報 特開２００６−１６１５４６号公報 2. Description of the Related Art Conventionally, a structure that enhances the heat insulating performance of a building by arranging a heat insulating material between pillars of the building to insulate the building and further arranging an outer heat insulating material on the outside of the wall structure has been widely adopted. For example, Patent Document 1 describes that an outer heat insulating material having a compression member on the lower side portion is arranged in multiple stages on the outer side of the heat insulating wall, and a ventilation layer is provided on the outer side of the compression member with a lateral trunk edge. Further, Patent Document 2 describes a configuration in which a support is arranged outside a pillar of a building using a heat insulating material in which the support is embedded, a vertical trunk edge is further provided on the outside, and the heat insulating material and the pillar are integrated. Has been.
JP 2005-200904 A JP 2006-161546 A

しかしながら、特許文献１に記載された外断熱構造では、胴縁が横方向に配置されることになり、縦胴縁の場合に比べ、壁内の湿気を逃がすための通気が充分でない場合があった。また、外断熱材の長辺を横にして配置しているため、特にグラスウールなどの繊維状断熱材の場合は、自重により垂下する場合は少ないものの未だ充分でない。このため、当該外断熱材を柱間にある断熱材に固定することも考えられるが、柱間の断熱材が繊維状断熱材の場合は、それ自体の剛性が小さいため、固定は不十分となる場合があった。   However, in the outer heat insulating structure described in Patent Document 1, the trunk edge is arranged in the horizontal direction, and there is a case where the ventilation for releasing moisture in the wall is not sufficient as compared with the case of the vertical trunk edge. It was. In addition, since the long side of the outer heat insulating material is arranged sideways, particularly in the case of a fibrous heat insulating material such as glass wool, the case where it hangs down by its own weight is small but still not sufficient. For this reason, it is conceivable to fix the outer heat insulating material to the heat insulating material between the pillars, but when the heat insulating material between the pillars is a fibrous heat insulating material, its rigidity is small, so fixing is insufficient. There was a case.

また、特許文献２では、断熱構造が縦胴縁を用いる構成になっているため、上記の通気性は充分であるものの、複数の断熱材を並べて配置させて、壁の柱上に断熱材の支柱を当接させる場合は、壁の柱にフレームを設けるなどして特殊な構造にするか、建物の柱に沿って外断熱材を隣合わせることをせずに、断熱材を配置させる必要があり、この場合は別の箇所で外断熱材同士を隙間のないように繋ぎあわせる必要があった。   Moreover, in patent document 2, since the heat insulation structure becomes a structure using a vertical trunk edge, although said air permeability is enough, it arrange | positions several heat insulating materials side by side, and arrange | positions a heat insulating material on the pillar of a wall. When contacting the pillars, it is necessary to make a special structure such as by providing a frame on the wall pillar, or to place the heat insulating material without adjoining the outer heat insulating material along the pillar of the building Yes, in this case, it was necessary to connect the outer heat insulating materials together in another place so that there was no gap.

従って本発明の目的は、断熱性に優れるとともに、施工が容易であり、経時的に外断熱材が変形しない外断熱用断熱材、外断熱用胴縁および外断熱構造を提供することである。   Accordingly, an object of the present invention is to provide an outer heat insulating material, an outer heat insulating body edge, and an outer heat insulating structure that are excellent in heat insulating properties and that are easy to construct and that do not deform over time.

上記目的は以下の本発明によって達成される。すなわち、本発明は、形状が矩形であり、その少なくとも片側の辺に少なくとも２箇所の切り欠き部を有していることを特徴とする外断熱用断熱材（以下単に「断熱材」という場合がある）を提供する。該断熱材においては前記切り欠き部が、左右両辺の左右対称位置に設けられていることが好ましい。   The above object is achieved by the present invention described below. That is, the present invention has a rectangular shape, and has at least two cutout portions on at least one side thereof, and may be referred to simply as “heat insulating material”. Provide). In the heat insulating material, it is preferable that the notch is provided in a symmetrical position on both the left and right sides.

また、本発明は、基体の片面の長さ方向の少なくとも２箇所に凸部が形成されていることを特徴とする外断熱用胴縁を提供する。該胴縁においては、前記凸部の断面形状が台形であり、該台形の底面側が、前記胴縁基体と一体になっていること；および前記凸部側の基体面に胴縁基体の幅より広い幅の防風シートが一体化されていることが好ましい。   In addition, the present invention provides an outer heat insulating body edge characterized in that convex portions are formed in at least two places in the length direction of one side of the base. In the trunk edge, the convex section has a trapezoidal cross-sectional shape, and the bottom surface side of the trapezoid is integrated with the trunk edge base body; It is preferable that a wide windproof sheet is integrated.

また、本発明は、上記本発明の断熱材および胴縁を使用した外断熱構造を提供する。   Moreover, this invention provides the outer heat insulation structure which uses the heat insulating material and trunk | drum of the said invention.

本発明によれば、本発明の断熱材および胴縁を用いることで、構成された断熱構造において、断熱材の傾きを防止して、施工の際の断熱材の位置決めを容易にするばかりでなく、断熱材が下方向に自重で垂下することを防止することができる。また、胴縁の基体面が、断熱材を外側から押さえつける構造であるため、断熱材の垂下をさらに防止することができ、さらに胴縁の基体外側面を利用して通気層を形成することができる。   According to the present invention, by using the heat insulating material and the body edge of the present invention, in the constructed heat insulating structure, the inclination of the heat insulating material is prevented and the positioning of the heat insulating material at the time of construction is facilitated. It is possible to prevent the heat insulating material from drooping under its own weight in the downward direction. Further, since the body surface of the trunk edge presses the heat insulating material from the outside, it is possible to further prevent the heat insulating material from drooping, and further to form a ventilation layer using the outer surface of the base body of the trunk edge. it can.

次に発明を実施するための最良の形態を挙げて本発明をさらに詳しく説明する。
図１は、本発明の断熱材を説明する図である。本発明の断熱材は、図１に示すように、その形状は矩形であり、その少なくとも片側の辺に少なくとも２箇所の切り欠き部を有している。この切り欠き部は、図示のように左右両辺の左右対称位置に設けられていることが好ましい。切り欠き部を２箇所以上にすることで、断熱構造に使用した場合、断熱材の傾きを防止して、施工の際の断熱材の位置決めを容易にするばかりでなく、断熱材の垂下を防ぐことができる。切り欠き部は２箇所以上〜４箇所以下が好ましく、切り欠き部が１箇所では断熱材の保持が不十分であり、一方、５箇所以上にすると、後述の胴縁の凸部との位置が合わない部分が出てくる可能性がある。 Next, the present invention will be described in more detail with reference to the best mode for carrying out the invention.
FIG. 1 is a diagram illustrating a heat insulating material according to the present invention. As shown in FIG. 1, the heat insulating material of the present invention has a rectangular shape, and has at least two notches on at least one side. The notch is preferably provided at a symmetrical position on both the left and right sides as shown. By using two or more cut-out parts, when used in a heat insulation structure, the insulation of the insulation is prevented from being tilted to facilitate positioning of the insulation during construction, as well as to prevent the insulation from drooping. be able to. The notch is preferably 2 or more to 4 or less, and the heat insulating material is not sufficiently held at one notch. On the other hand, when the number of the notch is 5 or more, the position with the convex part of the trunk edge described later is There is a possibility that a part that doesn't fit will come out.

切り欠き部のサイズとしては、特に限定されないが、本発明の目的を達成するうえでは、図１における（ａ）が３０〜６０ｍｍ、（ｂ）が１０〜６０ｍｍ程度であることが好ましい。また、図示の切り欠き部は、直方体状に形成されているが、本発明における切り欠き部の形状は図示の例に限定されず、立方体状、半円柱状、その他の半角柱体状などであり得る。   Although it does not specifically limit as a size of a notch part, In order to achieve the objective of this invention, it is preferable that (a) in FIG. 1 is 30-60 mm, (b) is about 10-60 mm. In addition, although the illustrated notch is formed in a rectangular parallelepiped shape, the shape of the notch in the present invention is not limited to the illustrated example, and may be a cubic shape, a semi-cylindrical shape, other half-rectangular column shapes, or the like. possible.

上記断熱材の材質は特に限定されず、例えば、グラスウール、ロックウール、羊毛などの繊維状断熱材や、ポリウレタン発泡体、ポリウレア発泡体、ポリイソシアヌレート発泡体などの樹脂発泡体が挙げられる。繊維系断熱材は、断熱性や施工性の観点から密度が２４〜９６ｋｇ／ｍ3が好ましく、密度が３２ｋｇ／ｍ3以上がより好ましい。また、断熱材の形状も特に限定されないが、図１において横（ｃ）が３００〜１，０００ｍｍ、縦（ｄ）が９００〜２，０００ｍｍ、厚さ（ｅ）が１５〜６０ｍｍ程度であると、断熱性や施工性がよい。 The material of the said heat insulating material is not specifically limited, For example, resin foams, such as fibrous heat insulating materials, such as glass wool, rock wool, and wool, a polyurethane foam, a polyurea foam, a polyisocyanurate foam, are mentioned. Fiber-based heat insulating material has a density in terms of heat insulation and workability are preferably 24~96kg / m 3, density of 32 kg / m 3 or more is more preferable. Also, the shape of the heat insulating material is not particularly limited, but in FIG. 1, the horizontal (c) is 300 to 1,000 mm, the vertical (d) is 900 to 2,000 mm, and the thickness (e) is about 15 to 60 mm. Insulation and workability are good.

また、本発明の断熱材は、図１に示すようにその外側面に防風シートを貼り合わせておくことができる。該防風シートは、一方の側に延出している耳部を有しており、該断熱材を用いて断熱構造を構成する場合、該耳部において断熱材の端面を被覆して断熱性を向上させることができる。該耳部の幅（ｉ）は５０〜１５０ｍｍ程度が好ましい。詳しくは本発明の断熱構造において説明する。   Moreover, as shown in FIG. 1, the heat insulating material of this invention can stick a wind-proof sheet on the outer surface. The windproof sheet has an ear portion extending to one side, and when the heat insulating material is used to form a heat insulating structure, the end portion of the heat insulating material is covered with the ear portion to improve the heat insulating property. Can be made. The width (i) of the ear is preferably about 50 to 150 mm. Details will be described in the heat insulating structure of the present invention.

図２は、本発明の胴縁を説明する図である。本発明の胴縁は、その一方の面の長さ方向の少なくとも２箇所に凸部が形成されていて、該凸部が、前記本発明の断熱材の切り欠き部の位置に対応していることから、複数の断熱材を胴縁を介して繋ぎ合わせる際、断熱材の位置決めが容易であり、かつ断熱材の繋ぎ目における隙間をなくすことが可能である。しかも、胴縁は縦に柱に添って配置させることができ、胴縁の基体によって形成された通気層により、上方で湿気を放出することが可能となり、建物の通気には特に有利である。   FIG. 2 is a view for explaining a trunk edge of the present invention. The trunk edge of the present invention has convex portions formed in at least two places in the length direction of one surface thereof, and the convex portions correspond to the positions of the notches of the heat insulating material of the present invention. For this reason, when connecting a plurality of heat insulating materials via the trunk edge, it is easy to position the heat insulating materials, and it is possible to eliminate gaps at the joints of the heat insulating materials. In addition, the trunk edge can be arranged vertically along the pillar, and the ventilation layer formed by the body of the trunk edge allows moisture to be released upward, which is particularly advantageous for building ventilation.

胴縁基体および凸部の材質は、木質、プラスチック、アルミニウム、ステンレス、鉄などの金属が挙げられ、特には、柱と胴縁を一体化するため、コスト、扱いやすさの点から木質が好ましい。胴縁基体および凸部のうち、断熱材（または防風シート）に当接する面は、断熱材を当接面で保持し、防水性を高めるために、胴縁素材を弾性部材とするか、別途当接面に弾性部材を設けるか、両面テープや、弾力性のある接着剤を付けることが望ましい。これらのうち、前記弾性部材を用いることが、断熱構造の防水性を高めるために好ましく、弾性部材としては、樹脂や繊維状のスポンジ、発泡ゴム、樹脂発泡体、エラストマー材、シリコンなどの樹脂やゴム状のフィン型形状のものが挙げられる。胴縁基体の形状は、全長（ｆ）が１，０００〜４，０００ｍｍであり、厚さ（ｇ）が１０〜３０ｍｍであり、幅（ｈ）が３０〜１００ｍｍであることが好ましい。   Examples of the material of the trunk base and the convex portion include wood, plastic, aluminum, stainless steel, iron, and the like. In particular, since the pillar and the trunk are integrated, wood is preferable in terms of cost and ease of handling. . Of the trunk base and the convex portion, the surface that abuts against the heat insulating material (or windproof sheet) holds the heat insulating material on the abutting surface, and in order to improve the waterproof property, the body edge material is an elastic member or separately It is desirable to provide an elastic member on the contact surface, or to apply a double-sided tape or an elastic adhesive. Among these, it is preferable to use the elastic member in order to increase the waterproofness of the heat insulating structure. Examples of the elastic member include resins such as resin, fibrous sponge, foam rubber, resin foam, elastomer material, and silicon. Examples include rubber-like fins. The shape of the trunk base is preferably 1,000 to 4,000 mm in total length (f), 10 to 30 mm in thickness (g), and 30 to 100 mm in width (h).

胴縁基体には、その使用時に内側になる面の長さ方向に、少なくとも２個の凸部が形成されており、該凸部のピッチは前記本発明の断熱材の切り欠き部のピッチと略同一とする。凸部を２箇所以上にすることは、断熱材の傾きを防止して施工の際の断熱材の位置決めを容易にするばかりでなく、断熱材の垂下を防ぐためである。好ましい凸部の個数は２〜４箇所であり、凸部を５箇所以上にすると、凸部と前記断熱材の切り欠き部との位置が合わない部分が出てくる可能性がある。凸部の形状は、その断面形状が台形であることが好ましく、この形状によって断熱材の端部がしっかりと固定される。また、凸部が胴縁の基体に向かって広がっていることにより、グラスウールなどの繊維状断熱材を外断熱材として用いる場合に、当該箇所に当接する断熱材が密になることで、隙間がなくなり、熱が逃げ難くなり好ましい。なお、凸部の上下の面（頂面、底面）は四角、円、楕円など、様々な形状が挙げられる。より好ましくは凸部の頂面は、角を有する四角が好ましく、底面は角がない状態であることが、断熱材の破損がし難いため好適である。   The trunk base is formed with at least two convex portions in the length direction of the inner surface when used, and the pitch of the convex portions is the pitch of the notches of the heat insulating material of the present invention. It shall be substantially the same. The reason why the convex portions are two or more is not only to prevent the inclination of the heat insulating material and facilitate the positioning of the heat insulating material during construction, but also to prevent the heat insulating material from drooping. The number of preferable convex portions is 2 to 4, and when the convex portions are 5 or more, there is a possibility that a portion where the positions of the convex portion and the notch portion of the heat insulating material do not match is produced. As for the shape of a convex part, it is preferable that the cross-sectional shape is trapezoid, and the edge part of a heat insulating material is firmly fixed by this shape. In addition, when a fibrous heat insulating material such as glass wool is used as an outer heat insulating material due to the convex portion spreading toward the base of the body edge, the heat insulating material that comes into contact with the portion becomes dense so that a gap is formed. This is preferable because the heat does not easily escape. In addition, various shapes, such as a square, a circle | round | yen, and an ellipse, are mentioned for the upper and lower surfaces (top surface, bottom surface) of a convex part. More preferably, the top surface of the convex portion is preferably a square having corners, and the bottom surface is in a state having no corners, because it is difficult to damage the heat insulating material.

凸部のサイズは、前記断熱材の切り欠き部に隙間なく嵌合できるサイズが望ましく、凸部の断面が台形の場合は、台形頂面の一辺が、前記断熱材の切り欠き部のサイズ（ｂ）の２倍未満、例えば１．５ｂ〜１．８ｂ程度であり、台形基部の一辺が前記（ｂ）の２倍以上、例えば、２．１ｂ〜２．５ｂ程度であることが好ましく、台形の高さは前記断熱材の厚さ（ｅ）と同じか、それよりも小さくすることが好ましく、このような形状にすることで、断熱構造において断熱材をしっかりと保持することができる。なお、凸部の形状は特に限定されず、直方体状、立方体状、その他の各柱状、半楕円形状、半球状などであり得る。   The size of the convex portion is desirably a size that can be fitted into the notch portion of the heat insulating material without a gap. When the cross section of the convex portion is trapezoidal, one side of the trapezoidal top surface is the size of the notch portion of the heat insulating material ( It is preferable that it is less than twice b), for example, about 1.5b to 1.8b, and one side of the trapezoidal base is more than twice the above (b), for example, about 2.1b to 2.5b. Is preferably the same as or smaller than the thickness (e) of the heat insulating material. By adopting such a shape, the heat insulating material can be firmly held in the heat insulating structure. The shape of the convex portion is not particularly limited, and may be a rectangular parallelepiped shape, a cubic shape, other columnar shapes, a semi-elliptical shape, a hemispherical shape, or the like.

また、凸部の形成は、木材などの切り出しや樹脂の成形によって基体と同時に形成してもよいが、予め別途台形状体を作成し、これを基体面に釘付け、接着剤固定などにより設けてもよい。また、前記凸部側の基体面に胴縁基体の幅より広い幅の防風シートを一体化させておくことで、断熱構造を構成した場合、隣接する断熱材の隙間を防ぎ、断熱性を向上させることができる。   The convex portions may be formed at the same time as the base by cutting out wood or molding the resin, but a separate trapezoidal body is created in advance, and this is attached to the base by nailing and fixing the adhesive. Also good. In addition, when a heat insulation structure is constructed by integrating a windproof sheet having a width wider than the width of the body edge base body with the base surface on the convex side, it prevents gaps between adjacent heat insulating materials and improves heat insulation. Can be made.

本発明の外断熱構造は、前記本発明の断熱材と胴縁を使用することを特徴としている。図３に示すように本発明の断熱構造は、複数の柱とその間に充填したグラスウールなどの内断熱材とからなる建物の外壁の外側に、前記本発明の断熱材を該断熱材の切り欠き部が、前記壁を構成する柱に沿うように上下に複数枚配置し、この状態で前記本発明の胴縁を、その凸部を、左右一対の断熱材の突き合わせ部に形成された上記切り欠き部（四角の凹部）にはめ合わせて、左右上下の断熱材を固定し、凸部の頂面を柱面に当接して、釘や接着剤で固定することで構成され、さらに上記胴縁の基体面外側に外装材を配置することで、該外装材と上記断熱材との間に通気層を形成することができる。   The outer heat insulating structure of the present invention is characterized by using the heat insulating material and the trunk edge of the present invention. As shown in FIG. 3, the heat insulating structure of the present invention is formed by cutting the heat insulating material of the present invention on the outside of the outer wall of a building composed of a plurality of pillars and an inner heat insulating material such as glass wool filled therebetween. A plurality of parts are arranged vertically so as to follow the pillars constituting the wall, and in this state, the body edge of the present invention is formed, and the convex part is formed in the butt part of the pair of left and right heat insulating materials. Fit to the notch (square recess), fix left and right heat insulating material, abut the top surface of the projection on the pillar surface, and fix with nails or adhesive, By disposing the exterior material on the outer surface of the substrate, a ventilation layer can be formed between the exterior material and the heat insulating material.

上記構造において、断熱材として図１に示すような防風シート付の断熱材を使用することにより、壁構造の防水性を向上させることができる。すなわち、図１に示す防風シート付の断熱材は、断熱材の外側面に、断熱材の切り欠き部を含み断熱材の端部から延出した防風シートが配置され、該延出防風シート部（耳部）には、防風シートの端部から内側に向かって逆Ｙの字または上下の切り込みが設けられている。このような防風シート付断熱材を前記図３に示す壁構造に使用すると、上記胴縁の凸部を断熱材の切り欠き部へ嵌合する際に、上記耳部が、切り欠き部内に折り曲げられ、折り曲げられた防風シートによって断熱材の端部が被覆され、壁構造の防水性が向上する。また、耳部の幅（ｉ）は、隣接する防風シートに重ね合わせるため、および断熱材の切り欠き部の防水性を高めるため、５０〜１５０ｍｍが好ましく、前記のｅ＋ｂ≦ｉ≦２ｅ＋ｂの範囲とすることがより好ましい。   In the said structure, the waterproofness of a wall structure can be improved by using a heat insulating material with a wind-proof sheet as shown in FIG. 1 as a heat insulating material. That is, in the heat insulating material with the windproof sheet shown in FIG. 1, the windproof sheet including the notch portion of the heat insulating material and extending from the end of the heat insulating material is arranged on the outer surface of the heat insulating material, and the extended windproof sheet portion The (ear part) is provided with an inverted Y shape or up and down cuts from the end of the windproof sheet toward the inside. When such a heat insulating material with a windproof sheet is used in the wall structure shown in FIG. 3, when the convex portion of the trunk edge is fitted to the notch portion of the heat insulating material, the ear portion is bent into the notch portion. The end portion of the heat insulating material is covered with the bent windproof sheet, and the waterproofness of the wall structure is improved. Further, the width (i) of the ear portion is preferably 50 to 150 mm in order to overlap the adjacent windproof sheet and to improve the waterproofness of the notch portion of the heat insulating material, and the range of the above e + b ≦ i ≦ 2e + b More preferably.

図４は、断熱構造中に他の方法で防風シートを組み込む例を示している。図４は、断熱材の外側面に防風シート１を配置しておき、断熱材の切り欠き部に対応する位置において防風シート１に孔を開けておき、この状態で図３の場合と同様に本発明の胴縁により断熱材と防風シートとを柱に固定することで前記と同様に、防水性に優れた断熱構造が構成される。図４の部分図は、防風シート１を柱上で重ねるように配置した場合で、防風シートの重なり部分には切り込みが設けられている。この際、上記防風シートに代えて、或いは加えて図２に示すような防風シート２付胴縁を使用してもよいし、また、前記防風シートに代えて、または加えて図４の図面右上に記載のように、柱に沿った長さで、幅が、断熱材の切り欠き部よりも大きく、かつ中央に孔を設けた縦帯状の防風シート２を用いて、同様に壁構造を構成してもよい。特に図４の部分図に示すように、柱上で防風シートを重ねる場合は、防風シート２をさらに加えることで、壁構造の防水性や断熱性をさらに向上させることができるので好ましく採用される。   FIG. 4 shows an example in which a windproof sheet is incorporated into the heat insulating structure by another method. In FIG. 4, the windproof sheet 1 is arranged on the outer side surface of the heat insulating material, and a hole is formed in the windproof sheet 1 at a position corresponding to the notch portion of the heat insulating material. By fixing the heat insulating material and the windproof sheet to the column by the trunk edge of the present invention, a heat insulating structure excellent in waterproofness is configured as described above. The partial view of FIG. 4 is a case where the windproof sheets 1 are arranged so as to overlap each other on a pillar, and the overlapping portions of the windproof sheets are provided with cuts. At this time, instead of or in addition to the windproof sheet, a body edge with the windproof sheet 2 as shown in FIG. 2 may be used. In addition, instead of or in addition to the windproof sheet, the upper right of FIG. As described in the above, the wall structure is similarly configured by using the longitudinal belt-shaped windbreak sheet 2 having a length along the pillar, a width larger than the notch portion of the heat insulating material, and a hole in the center. May be. In particular, as shown in the partial view of FIG. 4, when windproof sheets are stacked on a pillar, the waterproofness and heat insulating properties of the wall structure can be further improved by further adding the windproof sheet 2, which is preferably employed. .

図５は、本発明の断熱材を用いた別の実施例の壁構造を示している。この実施例では、建物の外壁外側に、前記本発明の断熱材を図４の場合と同様に、断熱材の切り欠き部が前記壁を構成する柱に沿うように介在させた状態で、前記本発明の胴縁の凸部と同様な形状の嵌合部材を切り欠き部に嵌合させ、適当な手段で柱に固定し、さらに必要に応じてその外側に防風シートを介して通常の胴縁により全体を一体化し、さらに外装材を設けて断熱構造とする。なお、この際、断熱材がガラスウールの如き柔らかい構造である場合には、嵌合部材として、図２に示す凸部と同様な台形形状のものを用いることで、切り欠き部周辺の断熱材の密度を上げることができる。また、断熱材が発泡樹脂などのある程度の剛性を有するものである場合には、断熱材の切り欠き部の外径形状と同様な嵌合部材（不図示）を、予め柱に固定しておき、この嵌合部材に断熱材の切り欠き部を嵌め込むことで、断熱壁の施工性が良好となる。なお、上記例においても、図４の場合と同様に、図５の部分図に示すように、防風シート１を柱上で重ねるように配置した場合には、防風シート１の重なり部分には切り込みが設けられている。   FIG. 5 shows a wall structure of another embodiment using the heat insulating material of the present invention. In this embodiment, on the outside of the outer wall of the building, as in the case of FIG. 4, the heat insulating material of the present invention is interposed so that the notch portion of the heat insulating material extends along the pillars constituting the wall. A fitting member having the same shape as that of the convex portion of the trunk edge of the present invention is fitted into the notch, fixed to the pillar by an appropriate means, and further, if necessary, a normal barrel is interposed via a windproof sheet. The whole is integrated by an edge, and an exterior material is further provided to form a heat insulating structure. In this case, if the heat insulating material has a soft structure such as glass wool, a heat insulating material around the notch is used as the fitting member by using a trapezoidal shape similar to the convex portion shown in FIG. Can increase the density. In addition, when the heat insulating material has a certain degree of rigidity such as foamed resin, a fitting member (not shown) similar to the outer diameter shape of the notch portion of the heat insulating material is fixed to the column in advance. The workability of the heat insulating wall is improved by fitting the notch portion of the heat insulating material into the fitting member. Also in the above example, as in the case of FIG. 4, as shown in the partial view of FIG. 5, when the windproof sheet 1 is arranged so as to overlap on the pillar, a cut is made in the overlapping portion of the windproof sheet 1. Is provided.

本発明によれば、本発明の断熱材および胴縁を用いることで、構成された断熱構造において、断熱材の傾きを防止して、施工の際の断熱材の位置決めを容易にするばかりでなく、断熱材が下方向に自重で垂下することを防止することができる。また、胴縁の基体面が、断熱材を外側から押さえつける構造であるため、断熱材の垂下をさらに防止することができ、さらに胴縁の基体外側面を利用して通気層を形成することができる。   According to the present invention, by using the heat insulating material and the body edge of the present invention, in the constructed heat insulating structure, the inclination of the heat insulating material is prevented and the positioning of the heat insulating material at the time of construction is facilitated. It is possible to prevent the heat insulating material from drooping under its own weight in the downward direction. Further, since the body surface of the trunk edge presses the heat insulating material from the outside, it is possible to further prevent the heat insulating material from drooping, and further to form a ventilation layer using the outer surface of the base body of the trunk edge. it can.

本発明の断熱材を説明する斜視図。The perspective view explaining the heat insulating material of this invention. 本発明の胴縁を説明する斜視図。The perspective view explaining the trunk edge of the present invention. 本発明の実施例の断熱構造を説明する斜視図。The perspective view explaining the heat insulation structure of the Example of this invention. 本発明の他の実施例の断熱構造を説明する斜視図。The perspective view explaining the heat insulation structure of the other Example of this invention. 本発明の別の実施例の断熱構造を説明する斜視図。The perspective view explaining the heat insulation structure of another Example of this invention.

Claims (14)

外断熱用断熱材と外断熱用胴縁を用いて構成された外断熱構造であって、
前記断熱材は、形状が矩形であり、少なくとも片側の辺に少なくとも２箇所の切り欠き部を有し、
前記胴縁は、基体の片面の長さ方向の少なくとも２箇所に、頂面を有する凸部が形成されており、
前記断熱材は、前記切り欠き部が建物の外壁を構成する柱に沿うように、かつ、隣接する断熱材と前記切り欠き部同士を対応させて配置され、
該隣接する断熱材との突き合わせ部に形成された切り欠き部に、前記胴縁の凸部が嵌合し、該凸部の頂面が前記柱に当接して、前記隣接する断熱材が前記胴縁を介して繋ぎ合わされており、
さらに、前記胴縁の基体外側面に外装材が配置され、該外装材と前記断熱材との間に通気層が形成され、
前記断熱材の外側面には、断熱材の切り欠き部を含み断熱材の端部から延出した防風シートが配置され、該延出防風シート部（耳部）には、防風シートの端部から内側に向かって逆Ｙの字または上下の切り込みが設けられ、上記胴縁凸部の上記切り欠き部への嵌合によって上記耳部が切り欠き部内に折り曲げられ、折り曲げられた防風シートによって断熱材の端部が被覆されていることを特徴とする外断熱構造。 It is an outer heat insulating structure configured using an outer heat insulating material and an outer heat insulating trunk,
The heat insulating material is rectangular in shape, and has at least two notches on at least one side,
The trunk edge is formed with a convex portion having a top surface in at least two places in the length direction of one side of the base body,
The heat insulating material is disposed so that the notch portion is along a pillar constituting the outer wall of the building, and the adjacent heat insulating material and the notch portion are associated with each other,
The convex part of the trunk edge is fitted into the notch formed in the abutting part with the adjacent heat insulating material, the top surface of the convex part is in contact with the column, and the adjacent heat insulating material is Connected through the torso,
Further, an exterior material is disposed on the outer surface of the base body of the trunk edge, and a ventilation layer is formed between the exterior material and the heat insulating material ,
A windproof sheet including a notch portion of the heat insulating material and extending from an end portion of the heat insulating material is disposed on the outer surface of the heat insulating material, and the extended windproof sheet portion (ear portion) has an end portion of the windproof sheet. An inward Y-shape or top and bottom cuts are provided from the inside to the inside, and the ears are folded into the notches by fitting the trunk edge projections to the notches, and are insulated by the folded windproof sheet. An outer heat insulating structure characterized in that the end of the material is covered. 前記断熱材の切り欠き部が、左右両辺の左右対称位置に設けられている請求項１に記載の外断熱構造。 The outer heat insulating structure according to claim 1, wherein the notch portions of the heat insulating material are provided at left and right symmetrical positions on both left and right sides. 前記胴縁の凸部の断面形状が台形であり、該台形の底面側が、前記胴縁基体と一体になっている請求項１または２に記載の外断熱構造。 The outer heat insulating structure according to claim 1 or 2 , wherein a cross-sectional shape of the convex portion of the trunk edge is a trapezoid, and a bottom surface side of the trapezoid is integrated with the trunk edge base. 前記胴縁の凸部側の基体面に胴縁基体の幅より広い幅の防風シートが一体化されている請求項１〜３のいずれか１項に記載の外断熱構造。 The outer heat insulating structure according to any one of claims 1 to 3, wherein a windproof sheet having a width wider than the width of the trunk edge base is integrated with the base face on the convex portion side of the trunk edge. 前記胴縁の断熱材（または防風シート）に当接する面の少なくとも一部に、弾性部材が設けられている請求項１〜４のいずれか１項に記載の外断熱構造。 The outer heat insulating structure according to any one of claims 1 to 4 , wherein an elastic member is provided on at least a part of a surface of the body edge that contacts the heat insulating material (or windproof sheet). 外断熱用断熱材と外断熱用胴縁を用いて構成された外断熱構造であって、
前記断熱材は、形状が矩形であり、少なくとも片側の辺に少なくとも２箇所の切り欠き部を有し、
前記胴縁は、基体の片面の長さ方向の少なくとも２箇所に、頂面を有する凸部が形成されており、
前記断熱材は、前記切り欠き部が建物の外壁を構成する柱に沿うように、かつ、隣接する断熱材と前記切り欠き部同士を対応させて配置され、
該隣接する断熱材との突き合わせ部に形成された切り欠き部に、前記胴縁の凸部が嵌合し、該凸部の頂面が前記柱に当接して、前記隣接する断熱材が前記胴縁を介して繋ぎ合わされており、
さらに、前記胴縁の基体外側面に外装材が配置され、該外装材と前記断熱材との間に通気層が形成され、
前記隣接している断熱材の外側面に防風シートが配置され、上記隣接している断熱材の切り欠き部に相当する位置の防風シートには孔が形成されており、該孔を通して胴縁凸部が柱面に当接していることを特徴とする外断熱構造。 It is an outer heat insulating structure configured using an outer heat insulating material and an outer heat insulating trunk,
The heat insulating material is rectangular in shape, and has at least two notches on at least one side,
The trunk edge is formed with a convex portion having a top surface in at least two places in the length direction of one side of the base body,
The heat insulating material is disposed so that the notch portion is along a pillar constituting the outer wall of the building, and the adjacent heat insulating material and the notch portion are associated with each other,
The convex part of the trunk edge is fitted into the notch formed in the abutting part with the adjacent heat insulating material, the top surface of the convex part is in contact with the column, and the adjacent heat insulating material is Connected through the torso,
Further, an exterior material is disposed on the outer surface of the base body of the trunk edge, and a ventilation layer is formed between the exterior material and the heat insulating material,
A windproof sheet is disposed on the outer surface of the adjacent heat insulating material, and a hole is formed in the windproof sheet at a position corresponding to the notch portion of the adjacent heat insulating material. An outer heat insulating structure characterized in that the portion is in contact with the column surface. 前記断熱材の切り欠き部が、左右両辺の左右対称位置に設けられている請求項６に記載の外断熱構造。 The outer heat insulating structure according to claim 6 , wherein the notch portions of the heat insulating material are provided at left and right symmetrical positions on both left and right sides. 前記胴縁の凸部の断面形状が台形であり、該台形の底面側が、前記胴縁基体と一体になっている請求項６または７に記載の外断熱構造。 The outer heat insulating structure according to claim 6 or 7 , wherein a cross-sectional shape of the convex portion of the trunk edge is a trapezoid, and a bottom surface side of the trapezoid is integrated with the trunk edge base. 前記胴縁の凸部側の基体面に胴縁基体の幅より広い幅の防風シートが一体化されている請求項６〜８のいずれか１項に記載の外断熱構造。 The outer heat insulating structure according to any one of claims 6 to 8, wherein a windproof sheet having a width wider than the width of the body edge base is integrated with the base surface on the convex side of the body edge. 前記胴縁の断熱材（または防風シート）に当接する面の少なくとも一部に、弾性部材が設けられている請求項６〜９のいずれか１項に記載の外断熱構造。 The outer heat insulating structure according to any one of claims 6 to 9 , wherein an elastic member is provided on at least a part of a surface of the body edge that contacts the heat insulating material (or windproof sheet). 外断熱用断熱材と外断熱用胴縁を用いて構成された外断熱構造であって、
前記断熱材は、形状が矩形であり、少なくとも片側の辺に少なくとも２箇所の切り欠き部を有し、
前記胴縁は、基体の片面の長さ方向の少なくとも２箇所に、頂面を有する凸部が形成されており、
前記断熱材は、前記切り欠き部が建物の外壁を構成する柱に沿うように、かつ、隣接する断熱材と前記切り欠き部同士を対応させて配置され、
該隣接する断熱材との突き合わせ部に形成された切り欠き部に、前記胴縁の凸部が嵌合し、該凸部の頂面が前記柱に当接して、前記隣接する断熱材が前記胴縁を介して繋ぎ合わされており、
さらに、前記胴縁の基体外側面に外装材が配置され、該外装材と前記断熱材との間に通気層が形成され、
前記胴縁の断熱材に当接する面の少なくとも一部に、弾性部材が設けられていることを特徴とする外断熱構造。 It is an outer heat insulating structure configured using an outer heat insulating material and an outer heat insulating trunk,
The heat insulating material is rectangular in shape, and has at least two notches on at least one side,
The trunk edge is formed with a convex portion having a top surface in at least two places in the length direction of one side of the base body,
The heat insulating material is disposed so that the notch portion is along a pillar constituting the outer wall of the building, and the adjacent heat insulating material and the notch portion are associated with each other,
The convex part of the trunk edge is fitted into the notch formed in the abutting part with the adjacent heat insulating material, the top surface of the convex part is in contact with the column, and the adjacent heat insulating material is Connected through the torso,
Further, an exterior material is disposed on the outer surface of the base body of the trunk edge, and a ventilation layer is formed between the exterior material and the heat insulating material,
An outer heat insulating structure, wherein an elastic member is provided on at least a part of a surface of the body edge that contacts the heat insulating material . 前記断熱材の切り欠き部が、左右両辺の左右対称位置に設けられている請求項１１に記載の外断熱構造。 The outer heat insulating structure according to claim 11 , wherein the notch portion of the heat insulating material is provided at a symmetrical position on both left and right sides. 前記胴縁の凸部の断面形状が台形であり、該台形の底面側が、前記胴縁基体と一体になっている請求項１１または１２に記載の外断熱構造。 The outer heat insulating structure according to claim 11 or 12 , wherein a cross-sectional shape of the convex portion of the trunk edge is a trapezoid, and a bottom surface side of the trapezoid is integrated with the trunk edge base. 前記胴縁の凸部側の基体面に胴縁基体の幅より広い幅の防風シートが一体化されている請求項１１〜１３のいずれか１項に記載の外断熱構造。 The outer heat insulating structure according to any one of claims 11 to 13, wherein a windproof sheet having a width wider than the width of the trunk base is integrated with the base surface of the convex side of the trunk.
JP2008066572A 2008-03-14 2008-03-14 Outside heat insulation structure Expired - Fee Related JP5129619B2 (en)

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