JP3599170B2 - High thermal insulation structure and thermal insulation panel used in it - Google Patents
High thermal insulation structure and thermal insulation panel used in it Download PDFInfo
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- JP3599170B2 JP3599170B2 JP21357399A JP21357399A JP3599170B2 JP 3599170 B2 JP3599170 B2 JP 3599170B2 JP 21357399 A JP21357399 A JP 21357399A JP 21357399 A JP21357399 A JP 21357399A JP 3599170 B2 JP3599170 B2 JP 3599170B2
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- 238000009413 insulation Methods 0.000 title claims description 18
- 239000011810 insulating material Substances 0.000 claims description 27
- 239000006260 foam Substances 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 18
- 229920003002 synthetic resin Polymers 0.000 claims description 14
- 239000000057 synthetic resin Substances 0.000 claims description 14
- 238000000926 separation method Methods 0.000 claims description 3
- 230000006378 damage Effects 0.000 claims description 2
- 238000012856 packing Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 6
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000123 paper Substances 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920006327 polystyrene foam Polymers 0.000 description 2
- 238000009418 renovation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000004795 extruded polystyrene foam Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229920001821 foam rubber Polymers 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Description
【０００１】
【発明の属する技術分野】
本発明は、木造、鉄骨造の建築物において、施工性に優れた高断熱構造及びそれで用いる断熱パネルに関する。
【０００２】
【従来技術】
従来より、屋根における垂木の間、床における根太の間等に、矩形状の合成樹脂フォームを挿着して建築物の断熱構造を構築している。さらに、特開平９−８８２０３号公報には、垂木などの軸部材の間の寸法ばらつきによる断熱欠損を抑制する断熱パネルが提案されている。これは図８に示すように、合成樹脂フォームの両面に面材を積層したパネルに面材突出部を設けることにより、軸部材間のばらつきを吸収してしまうものである。
【０００３】
【発明が解決しようとする課題】
ところが、さらなる断熱性能の要求、すなわち平成１１年４月告示の省エネルギー基準によると、合成樹脂フォーム等の断熱材の厚みを従来の基準の１．５〜２倍にしないとこの基準をクリアーできない状況となり、場合によっては、断熱材メーカーの現状の設備、例えば硬質ウレタンフォームや押出ポリスチレンフォームでは、厚み対応が難しい状況となった。また、仮に設備改造等により新設備としても、厚さの大きい合成樹脂フォームは、歩留まりの悪化等ありコストアップの要因になる。
本発明は、このような問題点に対応するためになされたもので、要求厚さの１／２の厚さの合成樹脂フォームで容易に施工できる建築物の高断熱構造及びそれで用いる断熱パネルを提供するものである。
【０００４】
【課題を解決するための手段】
要求厚さの１／２の厚さの合成樹脂フォームで対応する手段としては、例えば屋根における垂木の間の場合、図７に示すように室内側より室外側に向かって順に設けられた母屋、垂木において垂木の間に最初に一層目断熱材を施工し、次に二層目断熱材を施工する。つまり、この方法では、断熱材の施工は二工程となり、一層の断熱材の施工に比べて手間が倍になるというデメリットが生じてしまう。また、予め２枚の断熱パネルを貼り合わすことも、１工程増えることになるので好ましくない。
【０００５】
従って本発明の請求項１の高断熱構造は、平板状の合成樹脂フォームからなり軸部材間の略２倍の幅を有し、幅を２分する位置で折り返し可能に一方の面に溝状のスリットを設け、かつ、幅両端の少なくとも一方に変形可能な突出した気密部を形成した断熱パネルであって、１８０度折り返して前記断熱パネルの２枚分の厚さの断熱材とし、気密部を軸部材に当接し、軸部材間に１工程ではめ込んだ構成とした。
【０００６】
また、請求項３の断熱パネルは、請求項１の高断熱構造で用いる断熱パネルであって、合成樹脂フォームの他方の面（スリットのない面）に、折り曲げ部の材料破壊による分離を防止するための可撓性面材を積層したものであり、請求項３の断熱パネルは、断熱パネルに設けたスリットを溝状に形成することにより１８０度折り返して断熱材としたときにスリット部に突起状の気密部が形成されるものである。
【０００７】
【発明の実施の形態】
以下、図面に基づいて本発明の実施形態について説明する。
図１（ａ）に本発明の一実施例の断熱材パネルの斜視図を示す。この断熱パネルにはスリットが設けてあり、スリット面の反対側へ折り返して図１（ｂ）に示すような２枚分の厚さの断熱材（以下、折り返し断熱材という）となる。そして屋根面の場合を例として説明すれば図２に示すように軸部材である垂木の間にはめ込んで１工程で施工することにより高断熱構造が実現できる。その後、図示しないが、垂木上に屋根材が通常の方法で施工される。尚、この断熱材パネルのスリット面と反対側の面の適当な位置に、図示しないが、両面粘着テープ等を貼付すれば、折り返し断熱材にしたときに向かい合った断熱材同士が簡単に固定できる。このように固定すれば、工場で折り返し断熱材を作成して現場に持ち込むことができる。また必要に応じて現場で固定することもできる。
【０００８】
また、壁面の場合を例として説明すれば図３に示すように軸部材である胴縁の間に２枚分の厚さの断熱材をはめ込んで１工程で施工することにより高断熱構造が実現できる。その後図示しないが、胴縁に外装材を取り付ければよい。
【０００９】
図４は、本発明の請求項４に係わる実施例の断熱パネルである。これは、図４（ａ）に示すように断熱パネルの軸部材との当接する端面に突出した気密部、及びスリット部に大きめのスリット（溝状）、を設けたものである。施工の仕方は前述の実施例と同様であるが、折り返し断熱材にしたときに、図４（ｂ）に示すようにスリット部に突起状の気密部が形成されるため、垂木等の軸部材の間に、はめ込みやすくなるメリットや、この気密部が軸部材間の寸法ばらつきを吸収することによって気密性能が得られやすいメリットを持つものである。
【００１０】
この断熱パネルの突出した気密部は、端部の合成樹脂フォームまたは面材付合成樹脂フォームにおいて、突起を残すようにして不要部分を欠き取ること等によって簡単に形成できる。もちろん、この気密部の位置は図４（ａ）に示されるようなスリット面と反対側とは限らず、スリット面側でも良く、また両方でも良い。さらに図４（ａ）では、断熱パネルの幅の両端に気密部を有しているが、一端だけでも良い。
【００１１】
図６は折り返し断熱材にしたときに、その端部に気密部としてパッキンを貼付せしめたものである。このパッキンは予め貼付されていても良いし、施工時に作業者が貼付しても良い。パッキンとしては、紙テープやプラスチックフィルムテープ、ポリエチレンパッキン、塩ビパッキン、ゴムパッキン、各種発泡体パッキン等の現在、市販されている粘着剤付きテープやパッキン材なら何でも使用できる。このようにパッキンを貼付することによっても断熱欠損の抑制された高断熱構造を構築することができる。尚、パッキン材は、図６に示すような四端すべてに貼着しなくてもよく、上部の二端または下部の二端だけでもよい。
【００１２】
以上の説明の如く本発明の高断熱構造は、木造、鉄骨造の建築物において軸部材で間隔を形成する箇所であれば、例えば天井における野縁間、床における根太間のほか、母屋間や柱と間柱間や大引き間にも従来から使われている釘等の簡単な金具等で固定保持して容易に施工できる。
【００１３】
また本発明の断熱パネルは、天井面にもそのまま置いて施工できる。更には、在来軸組工法だけでなく、枠組み壁工法にも使用できる。また、図示しないが、ＲＣ造の内装下地に使用される木下地組や軽量鉄骨組にも使用できるものである。
【００１４】
本発明の断熱パネルは、折り返すことによって断熱材の厚さが瞬時に倍に出来るため、従来の発泡設備のままで２倍の厚さの断熱材を提供できるメリットを持つ。すなわち、平成４年度の旧省エネルギー基準から、より厚い断熱材を要求する新省エネルギー基準である次世代省エネルギー基準に変わっても従来の設備のままでこの新基準に対応できるのである。実際には、断熱材にスリットを設けるためにスリット用のカッター等の設備を付加するための一部改修が生じることは否めないが、この改修費用は新規発泡設備にかかる費用数億円に比べたらたかだか数百万円に過ぎず、設備投資額としては格段に安く済むのである。
【００１５】
本発明に使用される合成樹脂フォームとしては、硬質または軟質ウレタンフォーム、ポリスチレンフォーム、ポリエチレンフォーム、フェノールフォーム、塩ビ発泡体、ゴム発泡体等が使用できる。
本発明に使用される可撓性面材とは、硬質ウレタンフォームやポリスチレンフォーム、フェノールフォーム等の折り返した際、分離し易い材料を分離させないために使用するもので、例えば紙や金属箔やプラスチックフィルム、又はこれらの少なくとも２品種を用いた複層品のほか、クラフトテープや布粘着テープが使用できる。また、面材の合成樹脂フォームへの積層態様は、図５（ａ）〜（ｂ）に示されるようにスリット面の反対側に可撓性面材を積層するほか、スリット面側に積層しても構わない。またスリット面側は、硬質面材であっても良い。
【００１６】
【発明の効果】
本発明は、請求項１において、断熱パネルを折り返すことにより２枚分の厚さの断熱材とすることができるので、建築物において、現状の断熱材メーカー設備で対応の難しい断熱材厚さの高断熱構造を、容易に構築することができる。また、請求項２において、断熱材に気密部を有すので断熱欠損が抑制できる。
請求項３においては、上記で使用する断熱パネルに可撓性面材を積層したので、施工時にパネルの分離がなく施工性が向上する。さらに請求項４において、折り返し断熱材としたときにスリット部に突起状の気密部が形成され、この気密部の反対側にも突出した気密部を有すので、断熱欠損を抑制することができる。
【図面の簡単な説明】
【図１】（ａ）は本発明の一実施例の断熱パネルの斜視図。（ｂ）は、（ａ）の断熱パネルを１８０度折り返して作成した２枚分厚さの断熱材の斜視図。
【図２】本発明の高断熱構造が屋根面に施工される様子の説明図。
【図３】本発明の高断熱構造が壁面に施工された場合の説明図。
【図４】（ａ）は本発明の他の実施例の断熱パネルの斜視図。（ｂ）は、（ａ）の断熱パネルを１８０度折り返して作成した２枚分厚さの断熱材の斜視図。
【図５】（ａ）〜（ｂ）は本発明の断熱パネルに面材が積層された態様を示す。
【図６】折り返し断熱材に気密部としてパッキン材が貼付された態様を示す。
【図７】２枚の断熱パネルを使用して、屋根面に必要断熱材厚さが施工される様子の説明図。
【図８】従来の建築物の断熱構造の一例。[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a highly heat-insulating structure having excellent workability and a heat-insulating panel used in a wooden or steel-framed building.
[0002]
[Prior art]
BACKGROUND ART Conventionally, a rectangular synthetic resin foam has been inserted between rafters on a roof, joists on a floor, and the like to construct a heat insulating structure of a building. Furthermore, Japanese Patent Application Laid-Open No. 9-88203 proposes a heat insulating panel that suppresses heat loss due to dimensional variations between shaft members such as rafters. As shown in FIG. 8, by providing a panel material projection on a panel in which panel materials are laminated on both sides of a synthetic resin foam, variations between shaft members are absorbed.
[0003]
[Problems to be solved by the invention]
However, according to the requirement for further heat insulation performance, that is, according to the energy saving standard notified in April 1999, the standard cannot be satisfied unless the thickness of the heat insulating material such as a synthetic resin foam is 1.5 to 2 times the conventional standard. In some cases, it is difficult to cope with the thickness of the current equipment of a heat insulating material maker, for example, a rigid urethane foam or an extruded polystyrene foam. Even if a new facility is provided by equipment remodeling or the like, a synthetic resin foam having a large thickness causes a decrease in yield and the like, resulting in an increase in cost.
The present invention has been made in order to address such problems, and has a high heat insulation structure for a building which can be easily constructed with a synthetic resin foam having a thickness of half the required thickness, and a heat insulation panel used therefor. To provide.
[0004]
[Means for Solving the Problems]
Means corresponding to a synthetic resin foam having a thickness of half the required thickness include, for example, in the case of a rafter on a roof, as shown in FIG. First, a first layer of insulation is applied between rafters, and then a second layer of insulation is applied. That is, in this method, the application of the heat insulating material is performed in two steps, and there is a demerit that the labor is doubled as compared with the application of the heat insulating material. Also, bonding two heat insulating panels in advance is not preferable because one step is added.
[0005]
Therefore, the high heat insulating structure of claim 1 of the present invention is made of a flat synthetic resin foam, has a width approximately twice that between the shaft members , and can be folded back at a position where the width is divided into two to form a groove on one surface. And a heat-insulating panel having a deformable protruding airtight portion formed on at least one of both ends of the width, wherein the heat-insulating panel is folded 180 degrees to form a heat insulating material having a thickness of two sheets of the heat insulating panel. Was brought into contact with the shaft members, and was fitted between the shaft members in one step.
[0006]
The heat insulating panel according to a third aspect is the heat insulating panel used in the high heat insulating structure according to the first aspect, and prevents the other surface (the surface without the slit) of the synthetic resin foam from separating due to material destruction of the bent portion. The heat insulating panel according to claim 3, wherein the slit provided on the heat insulating panel is formed in a groove shape so that the heat insulating material is folded 180 degrees to form a projection on the slit portion. A hermetic airtight portion is formed.
[0007]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1A is a perspective view of a heat insulating panel according to one embodiment of the present invention. This heat insulating panel is provided with a slit, and is turned back to the opposite side of the slit surface to form a heat insulating material having a thickness of two sheets as shown in FIG. 1B (hereinafter referred to as a folded heat insulating material). If the case of a roof surface is described as an example, as shown in FIG. 2, a high heat insulation structure can be realized by fitting it between rafters which are shaft members and constructing it in one process. Thereafter, although not shown, a roofing material is constructed on the rafter in a usual manner. Although not shown, if a double-sided adhesive tape or the like is attached to an appropriate position on the surface opposite to the slit surface of the heat insulating material panel, the heat insulating materials facing each other when the heat insulating material is folded can be easily fixed. . If fixed in this way, it is possible to create a folded heat insulating material at the factory and bring it to the site. It can also be fixed on site if necessary.
[0008]
In the case of a wall surface as an example, as shown in FIG. 3, a heat insulating material having a thickness of two sheets is inserted between the body edges, which are shaft members, and is constructed in a single process, thereby realizing a high heat insulating structure. it can. Thereafter, although not shown, an exterior material may be attached to the body edge.
[0009]
FIG. 4 shows a heat insulating panel according to an embodiment of the present invention. As shown in FIG. 4A, an airtight portion protruding from an end surface of the heat insulating panel which comes into contact with the shaft member, and a large slit (groove) is provided in the slit portion. The method of construction is the same as that of the above-described embodiment. However, when a folded heat insulating material is used, a protruding hermetic portion is formed in the slit portion as shown in FIG. In this case, there is a merit of being easily fitted, and a merit that the hermetic portion easily obtains hermetic performance by absorbing dimensional variations between the shaft members.
[0010]
The protruding hermetic portion of the heat insulating panel can be easily formed by removing an unnecessary portion of the synthetic resin foam at the end or the synthetic resin foam with face material so as to leave a projection. Of course, the position of the airtight portion is not limited to the side opposite to the slit surface as shown in FIG. 4A, but may be on the slit surface side or both. Further, in FIG. 4 (a), although the airtight portions are provided at both ends of the width of the heat insulating panel, only one end may be provided.
[0011]
FIG. 6 shows a folded heat insulating material having a gasket attached to an end thereof as an airtight portion. This packing may be attached in advance, or may be attached by an operator during construction. As the packing, any tape and packing material with an adhesive currently available, such as a paper tape, a plastic film tape, a polyethylene packing, a PVC packing, a rubber packing, and various foam packings, can be used. By attaching the packing in this way, it is possible to construct a high heat insulation structure in which heat insulation defects are suppressed. Note that the packing material does not have to be attached to all four ends as shown in FIG. 6 and may be only the upper two ends or the lower two ends.
[0012]
As described above, the high heat insulation structure of the present invention may be a wooden or steel-framed building, as long as the space is formed by a shaft member, for example, between the ridges on the ceiling, between the joists on the floor, between the purlins, It can be easily installed and fixed between pillars and studs and between the pulling stalls and the like by using conventional metal fittings such as nails.
[0013]
Further, the heat insulating panel of the present invention can be installed on a ceiling surface as it is. Further, it can be used not only for the conventional framing method but also for the frame wall method. Although not shown, the present invention can also be used for a wooden foundation set or a lightweight steel frame set used for an RC base interior base.
[0014]
The heat insulation panel of the present invention has the advantage that the thickness of the heat insulating material can be instantaneously doubled by folding the heat insulating panel, so that the heat insulating material of twice the thickness can be provided with the conventional foaming equipment. In other words, even if the old energy saving standard of the 1992 fiscal year is changed to the next-generation energy saving standard which is a new energy saving standard requiring a thicker heat insulating material, it is possible to meet the new standard without changing the existing equipment. Actually, it is undeniable that some renovation will be required to add slitting cutters and other equipment to provide slits in the heat insulating material, but this renovation cost will be several hundred million yen compared to the cost of new foaming equipment. It is only a few million yen, and the capital investment is much lower.
[0015]
As the synthetic resin foam used in the present invention, hard or soft urethane foam, polystyrene foam, polyethylene foam, phenol foam, PVC foam, rubber foam and the like can be used.
The flexible face material used in the present invention is used to prevent separation of materials that are easily separated when folded, such as hard urethane foam, polystyrene foam, and phenol foam, such as paper, metal foil, and plastic. A kraft tape or cloth adhesive tape can be used in addition to a film or a multi-layered product using at least two of these types. As shown in FIGS. 5 (a) and 5 (b), the face material is laminated on the synthetic resin foam by laminating a flexible face material on the side opposite to the slit face and laminating on the slit face side. It does not matter. The slit surface side may be a hard surface material.
[0016]
【The invention's effect】
According to the present invention, in the first aspect, the heat insulating panel can be folded to form a heat insulating material having a thickness of two sheets. A high heat insulation structure can be easily constructed. Further, in the second aspect, since the heat insulating material has an airtight portion, the heat insulation loss can be suppressed.
According to the third aspect, since the heat-insulating panel used above is laminated with the flexible face material, there is no separation of the panel at the time of construction, and the workability is improved. Further, in the fourth aspect, when the folded heat insulating material is used, a protruding hermetic portion is formed in the slit portion, and a protruding hermetic portion is also provided on the opposite side of the hermetic portion, so that heat insulation loss can be suppressed. .
[Brief description of the drawings]
FIG. 1A is a perspective view of a heat insulating panel according to one embodiment of the present invention. (B) is a perspective view of a heat insulating material having a thickness of two sheets formed by folding the heat insulating panel of (a) by 180 degrees.
FIG. 2 is an explanatory view showing a state where the high heat insulation structure of the present invention is installed on a roof surface.
FIG. 3 is an explanatory diagram in the case where the high heat insulation structure of the present invention is installed on a wall surface.
FIG. 4A is a perspective view of a heat insulating panel according to another embodiment of the present invention. (B) is a perspective view of a heat insulating material having a thickness of two sheets formed by folding the heat insulating panel of (a) by 180 degrees.
5 (a) and 5 (b) show an embodiment in which face materials are laminated on the heat insulating panel of the present invention.
FIG. 6 shows an embodiment in which a packing material is attached to a folded heat insulating material as an airtight portion.
FIG. 7 is an explanatory view showing how a required heat insulating material thickness is applied to a roof surface using two heat insulating panels.
FIG. 8 shows an example of a conventional heat insulating structure of a building.
Claims (2)
１８０度折り返して前記断熱パネルの２枚分の厚さの断熱材とし、気密部を軸部材に当接し、軸部材間に１工程ではめ込んだことを特徴とする高断熱構造。It is made of a flat synthetic resin foam and has a width approximately twice that between the shaft members , and is provided with a groove-like slit on one surface so that it can be folded at a position where the width is divided into two, and at least one of both ends of the width. An insulating panel formed with a deformable protruding airtight part,
A high heat insulating structure characterized in that the heat insulating panel is folded 180 degrees to form a heat insulating material having a thickness of two sheets of the heat insulating panel, the airtight portion is brought into contact with the shaft members, and is fitted between the shaft members in one step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21357399A JP3599170B2 (en) | 1999-07-28 | 1999-07-28 | High thermal insulation structure and thermal insulation panel used in it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21357399A JP3599170B2 (en) | 1999-07-28 | 1999-07-28 | High thermal insulation structure and thermal insulation panel used in it |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001040794A JP2001040794A (en) | 2001-02-13 |
| JP3599170B2 true JP3599170B2 (en) | 2004-12-08 |
Family
ID=16641448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21357399A Expired - Fee Related JP3599170B2 (en) | 1999-07-28 | 1999-07-28 | High thermal insulation structure and thermal insulation panel used in it |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3599170B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7387287B2 (en) * | 2019-05-08 | 2023-11-28 | アキレス株式会社 | Heat insulating structure and plate-shaped heat insulating material |
| KR102640057B1 (en) * | 2019-09-18 | 2024-02-26 | 삼성중공업(주) | Apparatus for supporting liquefied gas storage tank |
-
1999
- 1999-07-28 JP JP21357399A patent/JP3599170B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2001040794A (en) | 2001-02-13 |
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