JP2020100971A - Heat-insulating roof material and method for manufacturing heat-insulating roof material - Google Patents

Heat-insulating roof material and method for manufacturing heat-insulating roof material Download PDF

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JP2020100971A
JP2020100971A JP2018238588A JP2018238588A JP2020100971A JP 2020100971 A JP2020100971 A JP 2020100971A JP 2018238588 A JP2018238588 A JP 2018238588A JP 2018238588 A JP2018238588 A JP 2018238588A JP 2020100971 A JP2020100971 A JP 2020100971A
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heat insulating
sheet
heat
weather resistant
roof material
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康弘 久保
Yasuhiro Kubo
康弘 久保
雅士 根本
Masashi Nemoto
雅士 根本
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East Japan Railway Co
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East Japan Railway Co
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Abstract

To provide a heat insulating roof material excellent in weather resistance and a method for manufacturing the heat insulating roof material.SOLUTION: In a heat-insulating roof material 100, a heat-insulating sheet 20 attached to a roof material body 10 is covered with a weather-resistant sheet 30 so as not to be exposed to the surface. Since the heat-insulating sheet 20 is protected so as not to deteriorate, it can be suitably used as a roof material having excellent weather resistance. In particular, since an end part of the weather-resistant sheet 30 is sandwiched between connecting parts of the heat-insulating roof material 100, the weather-resistant sheet 30 is hardly peeled off from the roof material body 10. As described above, the weather-resistant sheet 30 that is hardly peeled off from the roof material body 10 can be more suitably protected by covering the heat insulating sheet 20.SELECTED DRAWING: Figure 1

Description

本発明は、折板などに用いる断熱屋根材と、その断熱屋根材の製造方法に関する。 The present invention relates to a heat insulating roof material used for folded plates and the like, and a method for manufacturing the heat insulating roof material.

従来、金属性の屋根材の裏側に生じた結露が水滴となって滴下するのを抑制するため、屋根材の裏面に断熱シートを貼り付けた断熱屋根材が知られている（例えば、特許文献１参照。）。 BACKGROUND ART Conventionally, there is known an insulating roof material in which a heat insulating sheet is attached to the back surface of the roof material in order to prevent the dew condensation that has occurred on the back side of the metallic roof material from dripping as water drops (for example, Patent Document See 1.).

特開昭６１−２０７４２号公報JP 61-20742 A

しかしながら、上記特許文献１の断熱屋根材を長期間に亘って使用した場合、経年劣化した断熱シートが屋根材から剥離してしまうことがある。
そして、剥離した断熱シートが天井側から垂れ下がってしまい、その下の通行の妨げになるという問題があった。 However, when the heat-insulating roof material of Patent Document 1 described above is used for a long period of time, the heat-insulating sheet deteriorated over time may peel off from the roof material.
Then, there is a problem that the peeled heat insulating sheet hangs down from the ceiling side, which obstructs the passage thereunder.

本発明の目的は、耐候性に優れた断熱屋根材と、その断熱屋根材の製造方法を提供することである。 An object of the present invention is to provide a heat insulating roof material having excellent weather resistance and a method for manufacturing the heat insulating roof material.

上記目的を達成するため、本出願に係る一の発明である断熱屋根材は、
長尺な矩形状の板材がその長手方向に沿う折り線にて折曲されてなる屋根材本体と、
前記板材よりも小さなサイズの長尺な矩形状を呈し、その周縁が前記屋根材本体の周縁よりも内側に位置するように前記屋根材本体に貼付される断熱シートと、
前記断熱シートよりも大きなサイズの長尺な矩形状を呈し、その周縁が前記断熱シートの周縁よりも外側に位置するように前記断熱シートに重ねて前記屋根材本体に貼付される耐候性シートと、
を備えるようにした。 In order to achieve the above object, the heat insulating roof material, which is one invention of the present application,
A roofing material main body formed by bending a long rectangular plate material along a fold line along its longitudinal direction,
A long rectangular shape having a smaller size than the plate material, and a heat insulating sheet attached to the roof material main body so that the peripheral edge thereof is located inside the peripheral edge of the roof material main body,
A weather-resistant sheet that has a long rectangular shape having a size larger than that of the heat insulating sheet, and is laminated on the heat insulating sheet so that its peripheral edge is located outside the peripheral edge of the heat insulating sheet, and is attached to the roofing material main body. ,
I was prepared.

かかる構成の断熱屋根材であれば、屋根材本体に貼付されている断熱シートは、表面に露出しないように耐候性シートによって被覆されており、その断熱シートは劣化し難いように保護されているので、耐候性に優れた屋根材として好適に使用することができる。 In the case of a heat insulating roof material having such a structure, the heat insulating sheet attached to the roof material main body is covered with a weather resistant sheet so as not to be exposed on the surface, and the heat insulating sheet is protected so as not to easily deteriorate. Therefore, it can be suitably used as a roof material having excellent weather resistance.

また、望ましくは、
複数の断熱屋根材を連結可能にするため、当該断熱屋根材の両端部には、前記屋根材本体と前記耐候性シートとが積層されている部分が前記板材の長手方向に沿う折り線にて折曲されて形成された連結部が設けられており、
隣り合う断熱屋根材を連結する場合、少なくとも一方の断熱屋根材の連結部における前記耐候性シートが他方の断熱屋根材の連結部との間に挟まれた状態で、互いの連結部が連結可能に構成されているようにする。 Also, preferably,
In order to connect a plurality of heat-insulating roof materials, at both ends of the heat-insulating roof material, a portion in which the roof material body and the weather resistant sheet are laminated is a fold line along the longitudinal direction of the plate material. A connecting part formed by bending is provided,
When adjoining heat-insulating roof materials, at least one heat-insulating roof material can be connected to each other with the weather resistant sheet sandwiched between the heat-insulating roof material and the other heat-insulating roof material. Be configured to.

断熱屋根材の連結部分に耐候性シートの端部が挟み込まれていれば、その耐候性シートは屋根材本体から剥がれ難くなる。このように屋根材本体から剥がれ難い耐候性シートであれば、好適に断熱シートを被覆して保護することができる。 If the end portion of the weather resistant sheet is sandwiched between the connected portions of the heat insulating roof material, the weather resistant sheet is less likely to be peeled off from the roof material main body. As described above, if the weather resistant sheet is hard to be peeled off from the roofing material main body, the heat insulating sheet can be suitably covered and protected.

また、望ましくは、
複数の断熱屋根材を連結可能にするため、当該断熱屋根材の両端部には、前記屋根材本体と前記耐候性シートとが積層されている部分が前記板材の長手方向に沿う折り線にて折曲されて形成された連結部が設けられており、
隣り合う断熱屋根材を連結する場合、一方の断熱屋根材の連結部における前記耐候性シートと、他方の断熱屋根材の連結部における前記耐候性シートが、所定の連結部材との間に挟まれた状態で、その連結部材を介して互いの連結部が連結可能に構成されているようにする。 Also, preferably,
In order to connect a plurality of heat-insulating roof materials, at both ends of the heat-insulating roof material, a portion in which the roof material body and the weather resistant sheet are laminated is a fold line along the longitudinal direction of the plate material. A connecting part formed by bending is provided,
When connecting adjacent heat insulating roof materials, the weather resistant sheet in the connecting portion of one heat insulating roof material and the weather resistant sheet in the connecting portion of the other heat insulating roof material are sandwiched between a predetermined connecting member. In this state, the connecting portions are configured to be connectable via the connecting member.

断熱屋根材の連結部分に耐候性シートの端部が挟み込まれていれば、その耐候性シートは屋根材本体から剥がれ難くなる。このように屋根材本体から剥がれ難い耐候性シートであれば、好適に断熱シートを被覆して保護することができる。 If the end portion of the weather resistant sheet is sandwiched between the connected portions of the heat insulating roof material, the weather resistant sheet is less likely to be peeled off from the roof material main body. As described above, if the weather resistant sheet is hard to be peeled off from the roofing material main body, the heat insulating sheet can be suitably covered and protected.

また、望ましくは、
前記断熱シートには、その長手方向と交差する向きの筋状に形成されている、他の部分よりも強度が弱い脆弱部が、シートの長手方向に所定間隔をあけて複数設けられているようにする。 Also, preferably,
The heat insulating sheet is provided with a plurality of fragile portions, which are formed in a streak shape in a direction intersecting with the longitudinal direction and are weaker in strength than other portions, at predetermined intervals in the longitudinal direction of the sheet. To

こうすることで、断熱シートに部分的な剥がれが生じても、断熱シートが脆弱部で破断されることで、その剥がれが伝播するのを防ぎ、断熱シートの剥がれを最小限に食い止めることができる。 By doing this, even if partial peeling occurs in the heat insulating sheet, the heat insulating sheet is broken at the fragile portion, so that the peeling can be prevented from propagating and the peeling of the heat insulating sheet can be minimized. ..

また、望ましくは、
前記耐候性シートには、その長手方向と交差する向きの筋状に形成されている、他の部分よりも強度が弱い脆弱部が、シートの長手方向に所定間隔をあけて複数設けられており、
前記耐候性シートの脆弱部は、前記断熱シートの脆弱部と重なる位置に設けられているようにする。 Also, preferably,
The weather resistant sheet is formed in a stripe shape in a direction intersecting with the longitudinal direction thereof, and a plurality of fragile portions whose strength is weaker than other portions are provided at predetermined intervals in the longitudinal direction of the sheet. ,
The fragile portion of the weather resistant sheet is provided at a position overlapping the fragile portion of the heat insulating sheet.

こうすることで、断熱シートと耐候性シートとが屋根材本体から剥がれてしまうことがあっても、断熱シートと耐候性シートがそれぞれ脆弱部で破断されることで、断熱シートや耐候性シートが長い状態で垂れ下がることがないので、金属屋根の下の通行などに支障をきたすことはない。 By doing so, even if the heat insulating sheet and the weather resistant sheet may be peeled off from the roofing material main body, the heat insulating sheet and the weather resistant sheet are broken at the fragile portions, so that the heat insulating sheet and the weather resistant sheet are Since it does not hang down in a long state, it does not interfere with traffic under the metal roof.

また、望ましくは、
前記耐候性シートの脆弱部は、前記断熱シートの脆弱部と略同じ長さを有しているようにする。 Also, preferably,
The fragile portion of the weather resistant sheet has substantially the same length as the fragile portion of the heat insulating sheet.

耐候性シートの脆弱部の長さを、耐候性シートよりも小さなサイズの断熱シートの脆弱部と略同じ長さにすれば、耐候性シートの脆弱部の端が耐候性シートの端部に達していないようになる。
耐候性シートの端部に脆弱部の端が達していると、そこから耐候性シートが引き裂かれ易くなってしまうことがあるので、このような長さにすることが好ましい。 If the length of the fragile part of the weather resistant sheet is set to be approximately the same as the length of the fragile part of the heat insulating sheet smaller than the weather resistant sheet, the edge of the fragile part of the weather resistant sheet reaches the end of the weather resistant sheet. Don't seem to.
If the edge of the fragile portion reaches the edge of the weather-resistant sheet, the weather-resistant sheet may be easily torn from the edge, so it is preferable to set such a length.

また、本出願に係る他の発明は、
長尺な矩形状の板材に、その板材よりも小さなサイズの長尺な矩形状の断熱シートをその周縁を前記板材の周縁よりも内側に配するように貼付する工程と、
前記断熱シートよりも大きなサイズの長尺な矩形状の耐候性シートの周縁を前記断熱シートの周縁よりも外側に配するように、前記耐候性シートを前記断熱シートに重ねて前記板材に貼付する工程と、
所定の断熱屋根材の形状と同様な形状とするため、前記断熱シートと前記耐候性シートとが貼付されている前記板材をその長手方向に沿う折り線にて折曲する工程と、
を有する断熱屋根材の製造方法であって、
前記板材を折曲する工程にて、前記板材の両端側で前記板材と前記耐候性シートとが積層されている部分を前記板材の長手方向に沿う折り線にて折曲することで、隣り合う断熱屋根材を連結する際に、少なくとも一方の断熱屋根材の前記耐候性シートがその連結部分にて挟まれた状態になる連結部を形成するようにした。 Further, another invention related to the present application is
To a long rectangular plate material, a step of attaching a long rectangular heat insulating sheet of a smaller size than the plate material so that the peripheral edge thereof is arranged inside the peripheral edge of the plate material,
The weather resistant sheet is laminated on the heat insulating sheet and attached to the plate material so that the peripheral edge of a long rectangular weather resistant sheet having a size larger than the heat insulating sheet is arranged outside the peripheral edge of the heat insulating sheet. Process,
In order to have a shape similar to the shape of a predetermined heat insulating roof material, a step of bending the plate material on which the heat insulating sheet and the weather resistant sheet are attached at a fold line along the longitudinal direction,
A method of manufacturing an insulating roofing material having:
In the step of bending the plate material, the parts where the plate material and the weather resistant sheet are laminated on both end sides of the plate material are bent along a fold line along the longitudinal direction of the plate material to be adjacent to each other. At the time of connecting the heat-insulating roof materials, the weather resistant sheet of at least one heat-insulating roof material is formed into a connecting portion sandwiched between the connecting portions.

かかる構成の製造方法によって製造された断熱屋根材であれば、折曲されて屋根材本体に成形された板材に貼付されている断熱シートは、表面に露出しないように耐候性シートによって被覆されており、その断熱シートは劣化し難いように保護されているので、耐候性に優れた屋根材として好適に使用することができる。
特に、隣り合う断熱屋根材を連結する場合、断熱屋根材の連結部分に耐候性シートの端部が挟み込まれるようになるので、その耐候性シートは屋根材本体から剥がれ難くなる。このように屋根材本体から剥がれ難い耐候性シートであれば、好適に断熱シートを被覆して保護することができる。 If it is a heat insulating roof material manufactured by the manufacturing method of such a configuration, the heat insulating sheet that is attached to the plate material that is bent and molded into the roof material main body is covered with a weather resistant sheet so as not to be exposed on the surface. Since the heat insulating sheet is protected from deterioration, it can be suitably used as a roof material having excellent weather resistance.
In particular, when adjacent heat-insulating roof materials are connected, since the end portions of the weather-resistant sheet are sandwiched between the connected portions of the heat-insulating roof material, the weather-resistant sheet is less likely to be peeled off from the roof material main body. As described above, if the weather resistant sheet is hard to be peeled off from the roofing material main body, the heat insulating sheet can be suitably covered and protected.

また、望ましくは、
前記断熱シートと前記耐候性シートにはそれぞれ、その長手方向と交差する向きの筋状に形成されている、他の部分よりも強度が弱い脆弱部が、シートの長手方向に所定間隔をあけて複数設けられており、
前記耐候性シートを貼付する工程においては、前記断熱シートの脆弱部に前記耐候性シートの脆弱部を重ねるように、前記耐候性シートを前記断熱シートに重ねて前記板材に貼付するようにする。 Also, preferably,
Each of the heat insulating sheet and the weather resistant sheet is formed in a stripe shape in a direction intersecting with the longitudinal direction, weakened portions having a weaker strength than other portions are provided at predetermined intervals in the longitudinal direction of the sheet. There are multiple,
In the step of attaching the weather resistant sheet, the weather resistant sheet is laminated on the heat insulating sheet so as to be attached to the plate material so that the fragile portion of the weather resistant sheet is overlapped with the fragile portion of the heat insulating sheet.

断熱シートの脆弱部に耐候性シートの脆弱部を重ねるように、耐候性シートを断熱シートに重ねて板材に貼付して製造された断熱屋根材であれば、屋根材本体に成形された板材から断熱シートと耐候性シートとが剥がれてしまうことがあっても、断熱シートと耐候性シートがそれぞれ脆弱部で破断されることで、断熱シートや耐候性シートが長い状態で垂れ下がることがないので、金属屋根の下の通行などに支障をきたすことはない。 If the heat-insulating roof material is manufactured by stacking the weather-resistant sheet on the heat-insulating sheet and pasting it on the plate so that the fragile part of the heat-insulating sheet is overlaid on the fragile part of the heat-insulating sheet, from the plate material molded on the roof material body Even if the heat insulating sheet and the weather resistant sheet are peeled off, the heat insulating sheet and the weather resistant sheet are each broken at the fragile portion, so that the heat insulating sheet and the weather resistant sheet do not hang down in a long state, It does not hinder the passage under the metal roof.

本発明によれば、耐候性に優れた断熱屋根材が得られる。 According to the present invention, a heat insulating roof material having excellent weather resistance can be obtained.

本実施形態の断熱屋根材を製造する手順に関する説明図（ａ）（ｂ）（ｃ）である。It is explanatory drawing (a) (b) (c) regarding the procedure of manufacturing the heat insulation roofing material of this embodiment. 重ね式の断熱屋根材の断面図である。It is a sectional view of a heat insulation roof material of a pile type. 重ね式の断熱屋根材を連結してなる金属屋根の一例を示す断面図である。It is sectional drawing which shows an example of the metal roof which connects the heat insulation roof material of a stack type. ハゼ式の断熱屋根材を連結してなる金属屋根の一例を示す断面図である。It is sectional drawing which shows an example of the metal roof which connects the goby-type heat insulating roof material. 篏合式の断熱屋根材を連結してなる金属屋根の一例を示す断面図である。It is sectional drawing which shows an example of the metal roof which connects the integrated type heat insulating roof material. 断熱屋根材を製造する手順の変形例に関する説明図（ａ）（ｂ）（ｃ）である。It is explanatory drawing (a) (b) (c) regarding the modification of the procedure of manufacturing a heat insulation roofing material. 重ね式の断熱屋根材を製造する手順の変形例に関する説明図である。It is explanatory drawing regarding the modification of the procedure of manufacturing a lap|folding type heat insulation roofing material. 重ね式の断熱屋根材による金属屋根の一例（ａ）と、ハゼ式の断熱屋根材による金属屋根の一例（ｂ）と、篏合式の断熱屋根材による金属屋根の一例（ｃ）とを示す断面図である。Sectional drawing which shows an example (a) of a metal roof by a pile type heat insulating roof material, an example (b) of a metal roof by a goby type heat insulating roof material, and an example (c) of a metal roof by a combined type heat insulating roof material. It is a figure.

以下、図面を参照して、本発明に係る断熱屋根材及び断熱屋根材の製造方法の実施形態について詳細に説明する。但し、以下に述べる実施形態には、本発明を実施するために技術的に好ましい種々の限定が付されているが、本発明の範囲を以下の実施形態及び図示例に限定するものではない。
本実施形態の断熱屋根材は、折板と称される屋根材に、結露防止のための断熱シートが配設されたものである。 Hereinafter, embodiments of a heat insulating roof material and a method for manufacturing a heat insulating roof material according to the present invention will be described in detail with reference to the drawings. However, the embodiments described below are provided with various technically preferable limitations for carrying out the present invention, but the scope of the present invention is not limited to the following embodiments and illustrated examples.
The heat insulating roof material of the present embodiment is a roof material called a folded plate on which a heat insulating sheet for preventing dew condensation is arranged.

本実施形態の断熱屋根材１００は、例えば、図１（ａ）（ｂ）（ｃ）、図２に示すように、長尺な矩形状の板材１０ａがその長手方向に沿う折り線にて折曲されてなる屋根材本体１０と、板材１０ａよりも小さなサイズの長尺な矩形状を呈し、その周縁を屋根材本体１０の周縁よりも内側に配するように屋根材本体１０に貼付されている断熱シート２０と、断熱シート２０よりも大きなサイズの長尺な矩形状を呈し、その周縁を断熱シート２０の周縁よりも外側に配するように断熱シート２０に重ねて屋根材本体１０に貼付されている耐候性シート３０と、を備えている。 In the heat insulating roofing material 100 of the present embodiment, for example, as shown in FIGS. 1(a), (b), (c) and FIG. 2, a long rectangular plate material 10a is folded along a fold line along its longitudinal direction. A roof material body 10 that is bent and a long rectangular shape that is smaller in size than the plate material 10a is provided, and the roof material body 10 is affixed to the roof material body 10 so that its peripheral edge is located inside the peripheral edge of the roof material main body 10. A heat insulating sheet 20 and a long rectangular shape having a size larger than that of the heat insulating sheet 20. The heat insulating sheet 20 is laminated on the heat insulating sheet 20 so that its peripheral edge is located outside the peripheral edge of the heat insulating sheet 20, and is attached to the roofing material main body 10. The weather resistant sheet 30 is provided.

屋根材本体１０は、鋼板など金属製の板材１０ａが、所定の折板形状に成型加工された板状部材である。
断熱シート２０は、断熱性を有するシート材であり、例えば、ウレタンフォームやグラスウールなどの断熱材を適度な厚み（例えば、４ｍｍ〜３０ｍｍ）を有するシート状に成形したものである。
耐候性シート３０は、太陽光（紫外線）、風雨、温度変化などに対し、変質し難い材料からなるフィルム状のシート材である。
なお、断熱屋根材１００の設置箇所の建築基準などに応じて、断熱シート２０や耐候性シート３０の材料を適宜選択し、必要に応じて耐火性や難燃性を有する材料を用いるようにする。 The roof material main body 10 is a plate-shaped member in which a metal plate material 10a such as a steel plate is formed into a predetermined folded plate shape.
The heat insulating sheet 20 is a sheet material having a heat insulating property, and is formed by molding a heat insulating material such as urethane foam or glass wool into a sheet having an appropriate thickness (for example, 4 mm to 30 mm).
The weather resistant sheet 30 is a film-like sheet material made of a material that is unlikely to deteriorate due to sunlight (ultraviolet rays), wind and rain, temperature changes, and the like.
In addition, the material of the heat insulating sheet 20 and the weather resistant sheet 30 is appropriately selected according to the building standard of the installation location of the heat insulating roofing material 100, and the material having fire resistance and flame retardancy is used as necessary. ..

この断熱屋根材１００において、屋根材本体１０に貼付されている断熱シート２０は、耐候性シート３０によって被覆されて保護されている。
つまり、断熱屋根材１００の断熱シート２０は、その全面が耐候性シート３０に覆われており、屋根材の表面に露出していないので、劣化し難くなっている。 In this heat insulating roof material 100, the heat insulating sheet 20 attached to the roof material main body 10 is covered and protected by the weather resistant sheet 30.
That is, the entire surface of the heat insulating sheet 20 of the heat insulating roof material 100 is covered with the weather resistant sheet 30 and is not exposed on the surface of the roof material, and therefore is less likely to deteriorate.

また、断熱シート２０には、その長手方向と交差する向きの筋状に形成されている、他の部分よりも強度が弱い脆弱部２１が、シートの長手方向に所定間隔をあけて複数設けられている。この断熱シート２０の脆弱部２１は、断熱シート２０の幅と同じ長さを有している。
また、耐候性シート３０には、その長手方向と交差する向きの筋状に形成されている、他の部分よりも強度が弱い脆弱部３１が、シートの長手方向に所定間隔をあけて複数設けられている。
特に、耐候性シート３０の脆弱部３１は、断熱シート２０の脆弱部２１と重なる位置に設けられている。つまり、断熱シート２０の脆弱部２１の間隔と、耐候性シート３０の脆弱部３１の間隔は、同じ寸法に形成されている。なお、それぞれのシートにおける脆弱部２１，３１の間隔は、例えば、２０ｃｍから１００ｃｍであるのが好ましい。
また、本実施形態における耐候性シート３０の脆弱部３１は、断熱シート２０の幅に対応する長さを有しており、この脆弱部３１は断熱シート２０の脆弱部２１と略同じ長さを有している。つまり、耐候性シート３０の両端部には脆弱部３１が設けられておらず、耐候性シート３０の脆弱部３１は、耐候性シート３０の幅よりも短く形成されている。 Further, the heat insulating sheet 20 is provided with a plurality of fragile portions 21 which are formed in a stripe shape in a direction intersecting with the longitudinal direction and are weaker in strength than other portions at predetermined intervals in the longitudinal direction of the sheet. ing. The fragile portion 21 of the heat insulating sheet 20 has the same length as the width of the heat insulating sheet 20.
Further, the weather-resistant sheet 30 is provided with a plurality of weakened portions 31 formed in a stripe shape in a direction intersecting with the longitudinal direction thereof and having a weaker strength than other portions at predetermined intervals in the longitudinal direction of the sheet. Has been.
In particular, the fragile portion 31 of the weather resistant sheet 30 is provided at a position overlapping the fragile portion 21 of the heat insulating sheet 20. That is, the distance between the fragile portions 21 of the heat insulating sheet 20 and the distance between the fragile portions 31 of the weather resistant sheet 30 are formed to have the same size. The distance between the fragile portions 21 and 31 in each sheet is preferably, for example, 20 cm to 100 cm.
Further, the fragile portion 31 of the weather resistant sheet 30 in the present embodiment has a length corresponding to the width of the heat insulating sheet 20, and the fragile portion 31 has substantially the same length as the fragile portion 21 of the heat insulating sheet 20. Have That is, the fragile portions 31 are not provided at both ends of the weather resistant sheet 30, and the fragile portions 31 of the weather resistant sheet 30 are formed shorter than the width of the weather resistant sheet 30.

断熱シート２０の脆弱部２１は、例えば、ミシン目やスリット（切れ目）、他の部分よりも厚みが薄く形成された筋目などであり、その脆弱部２１に沿って断熱シート２０が分断され易くなっている。
耐候性シート３０の脆弱部３１も同様に、ミシン目やスリット（切れ目）、他の部分よりも厚みが薄く形成された筋目などであり、その脆弱部３１に沿って耐候性シート３０が分断され易くなっている。
なお、耐候性シート３０の脆弱部３１は筋目であることが好ましい。耐候性シート３０の脆弱部３１が筋目であれば、より好適に密閉した状態で断熱シート２０を被覆することができる。 The fragile portion 21 of the heat insulating sheet 20 is, for example, a perforation, a slit (break), or a line formed to be thinner than other portions, and the heat insulating sheet 20 is easily divided along the fragile portion 21. ing.
Similarly, the fragile portion 31 of the weather resistant sheet 30 is also a perforation, a slit (a slit), a line formed to be thinner than other portions, and the weather resistant sheet 30 is divided along the fragile portion 31. It's getting easier.
In addition, it is preferable that the fragile portion 31 of the weather resistant sheet 30 is a crease. If the fragile portion 31 of the weather resistant sheet 30 is a streak, it is possible to cover the heat insulating sheet 20 in a more suitably sealed state.

また、断熱屋根材１００の両端部には、隣り合う断熱屋根材１００同士を連結するための連結部１３が設けられている。
この連結部１３は、屋根材本体１０と耐候性シート３０とが積層されている部分が板材１０ａの長手方向に沿う折り線にて折曲されて形成されている。 Further, at both ends of the heat insulating roof material 100, connecting portions 13 for connecting adjacent heat insulating roof materials 100 are provided.
The connecting portion 13 is formed by bending a portion where the roof material main body 10 and the weather resistant sheet 30 are laminated along a folding line along the longitudinal direction of the plate material 10a.

次に、この断熱屋根材１００を製造する手順について説明する。 Next, a procedure for manufacturing the heat insulating roofing material 100 will be described.

まず、図１（ａ）に示すように、接着剤を用いて板材１０ａに断熱シート２０を貼付する。
このとき、長尺な矩形状の板材１０ａよりも小さなサイズの長尺な矩形状の断熱シート２０の周縁を板材１０ａの周縁よりも内側に配するように、板材１０ａに断熱シート２０を貼付する。 First, as shown in FIG. 1A, the heat insulating sheet 20 is attached to the plate material 10a using an adhesive.
At this time, the heat insulating sheet 20 is attached to the plate material 10a so that the peripheral edge of the long rectangular heat insulating sheet 20 having a size smaller than that of the long rectangular plate material 10a is arranged inside the peripheral edge of the plate material 10a. ..

次いで、図１（ｂ）に示すように、断熱シート２０よりも大きなサイズの長尺な矩形状の耐候性シート３０の周縁を、断熱シート２０の周縁よりも外側に配するように、接着剤を用いて耐候性シート３０を断熱シート２０に重ねて板材１０ａに貼付する。
このとき、断熱シート２０の脆弱部２１に耐候性シート３０の脆弱部３１を重ねるように、耐候性シート３０を断熱シート２０に位置合わせして板材１０ａに貼付する。
こうして、断熱シート２０は、板材１０ａと耐候性シート３０とに挟まれて密封された状態になる。 Next, as shown in FIG. 1B, an adhesive is used so that the peripheral edge of the elongated rectangular weatherproof sheet 30 having a size larger than that of the heat insulating sheet 20 is arranged outside the peripheral edge of the heat insulating sheet 20. The weather resistant sheet 30 is overlaid on the heat insulating sheet 20 by using and is attached to the plate material 10a.
At this time, the weather resistant sheet 30 is aligned with the heat insulating sheet 20 and attached to the plate material 10a so that the weak portion 31 of the weather resistant sheet 30 overlaps the weak portion 21 of the heat insulating sheet 20.
In this way, the heat insulating sheet 20 is sandwiched between the plate material 10a and the weather resistant sheet 30 and is sealed.

次いで、図１（ｃ）に示すように、所望する断熱屋根材の形状と同様の形状とするため、断熱シート２０と耐候性シート３０とが貼付されている板材１０ａをその長手方向に沿う折り線にて折曲するようにプレス加工などを施し、板材１０ａを所定の折板形状の屋根材本体１０に変形して断熱屋根材１００を形成する。
特に、板材１０ａを折曲する工程にて、板材１０ａの両端側で板材１０ａと耐候性シート３０とが積層されている部分を板材１０ａの長手方向に沿う折り線にて折曲することで、隣り合う断熱屋根材１００同士を連結するための連結部１３を形成する。
ここでは、図２に示すように、重ね式折板の形状を有する断熱屋根材１００を形成している。
このように、板材１０ａに断熱シート２０と耐候性シート３０を貼付した後にプレス加工などを施すことで、断熱屋根材１００を製造することができる。 Then, as shown in FIG. 1(c), in order to obtain a shape similar to the desired shape of the heat insulating roof material, the plate material 10a to which the heat insulating sheet 20 and the weather resistant sheet 30 are attached is folded along the longitudinal direction thereof. The plate material 10a is deformed into a predetermined folded plate-shaped roof material main body 10 by performing press work or the like so as to be bent along a line, and the heat insulating roof material 100 is formed.
In particular, in the step of bending the plate material 10a, by bending a portion where the plate material 10a and the weather resistant sheet 30 are laminated on both end sides of the plate material 10a at a fold line along the longitudinal direction of the plate material 10a, The connection part 13 for connecting adjacent heat insulating roofing materials 100 is formed.
Here, as shown in FIG. 2, a heat-insulating roofing material 100 having a shape of a foldable folded plate is formed.
In this way, the heat insulating roofing material 100 can be manufactured by applying the heat insulating sheet 20 and the weather resistant sheet 30 to the plate material 10a and then pressing the sheet.

このように製造された重ね式の断熱屋根材１００であれば、例えば、図３に示すように、隣り合う断熱屋根材１００の連結部１３を重ね、その重ね合わせた連結部１３同士をボルトやナットなどの締結具Ｂで締結することで、複数の断熱屋根材１００を連結してなる金属屋根を構築することができる。
なお、金属屋根とする断熱屋根材１００は、例えば、建屋の梁に固定されているタイトフレームなどに対して固定される。 In the case of the laminated heat insulating roof material 100 manufactured in this way, for example, as shown in FIG. 3, the connecting portions 13 of the adjacent heat insulating roof materials 100 are overlapped, and the overlapped connecting portions 13 are connected by bolts or the like. By fastening with fasteners B such as nuts, it is possible to construct a metal roof formed by connecting a plurality of heat insulating roof materials 100.
The heat-insulating roofing material 100, which is a metal roof, is fixed to, for example, a tight frame fixed to a beam of a building.

特に、隣り合う断熱屋根材１００を連結する場合、少なくとも一方の断熱屋根材１００の連結部１３における耐候性シート３０が他方の断熱屋根材１００の連結部１３との間に挟まれた状態で、互いの連結部１３が連結されるようになっている。
断熱屋根材１００の連結部分に耐候性シート３０の端部が挟み込まれていることで、その耐候性シート３０は屋根材本体１０から剥がれ難くなっている。つまり、屋根材本体１０から剥がれ難い耐候性シート３０であれば、好適に断熱シート２０を被覆して保護することができる。 In particular, when connecting adjacent heat insulating roof materials 100, in a state where the weather resistant sheet 30 in the connecting portion 13 of at least one heat insulating roof material 100 is sandwiched between the heat insulating sheet 100 and the connecting portion 13 of the other heat insulating roof material 100, The connecting portions 13 are connected to each other.
Since the end portion of the weather resistant sheet 30 is sandwiched between the connected portions of the heat insulating roof material 100, the weather resistant sheet 30 is less likely to be peeled off from the roof material main body 10. That is, if the weather resistant sheet 30 is hard to peel off from the roofing material body 10, the heat insulating sheet 20 can be suitably covered and protected.

また、断熱屋根材１００の連結部１３には、厚みを有する断熱シート２０が配されていないので、断熱屋根材１００の連結部分に耐候性シート３０を挟み込んだ状態を維持し易くなっている。
例えば、連結部１３に厚みを有する断熱シート２０が配されていて、断熱屋根材１００の連結部分に断熱シート２０が挟み込まれていると、断熱シート２０の弾力性が失われるなどして肉痩せした場合に、断熱屋根材１００の連結部分に隙間ができることがあるので好ましくない。 Further, since the heat insulating sheet 20 having a thickness is not arranged in the connecting portion 13 of the heat insulating roof material 100, it is easy to maintain the state in which the weather resistant sheet 30 is sandwiched between the connected portions of the heat insulating roof material 100.
For example, when the heat insulating sheet 20 having a thickness is arranged in the connecting portion 13 and the heat insulating sheet 20 is sandwiched between the connecting portions of the heat insulating roofing material 100, the elasticity of the heat insulating sheet 20 is lost and the meat becomes thin. In that case, a gap may be formed in the connection portion of the heat insulating roofing material 100, which is not preferable.

このように、本実施形態の断熱屋根材１００において、屋根材本体１０に貼付されている断熱シート２０は、耐候性シート３０によって被覆されて保護されているとともに、その耐候性シート３０の端部は断熱屋根材１００の連結部分に挟み込まれていて屋根材本体１０から剥がれ難くなっている。
このような断熱屋根材１００であれば、耐候性シート３０によって被覆されている断熱シート２０は劣化し難いように保護されているので、耐候性に優れた屋根材として好適に使用することができる。 As described above, in the heat-insulating roofing material 100 of the present embodiment, the heat-insulating sheet 20 attached to the roofing material body 10 is covered and protected by the weather resistant sheet 30, and the end portion of the weather resistant sheet 30 is also protected. Is sandwiched between the connecting portions of the heat insulating roofing material 100 and does not easily peel off from the roofing material main body 10.
With such a heat-insulating roof material 100, the heat-insulating sheet 20 covered with the weather resistant sheet 30 is protected so as not to easily deteriorate, and thus can be suitably used as a roof material having excellent weather resistance. ..

特に、金属屋根として長期間に亘って使用した断熱屋根材１００において接着剤が劣化したり、金属屋根が強風に晒されたりするなどして、断熱シート２０が屋根材本体１０から部分的に剥がれてしまうことがあっても、脆弱部２１で断熱シート２０が破断されるようにして、その断熱シート２０の剥がれが断熱屋根材１００（屋根材本体１０）の長手方向に伝播しないようになっている。
つまり、部分的に断熱シート２０が屋根材本体１０から剥がれた場合、断熱シート２０が脆弱部２１で破断されることで、それ以上断熱シート２０が剥がれてしまわないように食い止めることができ、その全長に亘って断熱シート２０が剥がれてしまうようなことはない。 In particular, the heat insulating sheet 20 is partially peeled from the roof material main body 10 due to deterioration of the adhesive in the heat insulating roof material 100 used for a long time as a metal roof or exposure of the metal roof to strong wind. Even if it happens, the heat insulating sheet 20 is broken at the fragile portion 21 so that the peeling of the heat insulating sheet 20 does not propagate in the longitudinal direction of the heat insulating roof material 100 (roof material body 10). There is.
That is, when the heat insulating sheet 20 is partially peeled off from the roofing material main body 10, the heat insulating sheet 20 is broken at the fragile portion 21, so that the heat insulating sheet 20 can be stopped so as not to be peeled off further. The heat insulating sheet 20 does not peel off over the entire length.

また、断熱シート２０と耐候性シート３０とが屋根材本体１０から剥がれてしまうことがあっても、脆弱部２１で断熱シート２０が破断され、脆弱部３１で耐候性シート３０が破断されることで、断熱シート２０や耐候性シート３０が長い状態で垂れ下がることがないので、金属屋根の下の通行などに支障をきたすことはない。 Further, even if the heat insulating sheet 20 and the weather resistant sheet 30 are peeled off from the roofing material main body 10, the heat insulating sheet 20 is broken at the fragile portion 21 and the weather resistant sheet 30 is broken at the fragile portion 31. Since the heat insulating sheet 20 and the weather resistant sheet 30 do not hang down in a long state, there is no hindrance to passage under the metal roof.

以上のように、本実施形態の断熱屋根材１００は、耐候性に優れるとともに、断熱シート２０に部分的な剥がれが生じても、断熱シート２０が脆弱部２１で破断されるので、その断熱シート２０の剥がれを最小限に食い止めることができる。 As described above, the heat-insulating roofing material 100 of the present embodiment has excellent weather resistance, and even if the heat-insulating sheet 20 is partially peeled off, the heat-insulating sheet 20 is broken at the fragile portion 21. The peeling of 20 can be minimized.

なお、図３では、重ね式の断熱屋根材１００を連結してなる金属屋根を例示したが、板材１０ａに断熱シート２０と耐候性シート３０を貼付した後にプレス加工などを施すことで、ハゼ式の断熱屋根材１００や、篏合式の断熱屋根材１００を製造することもできる。 In addition, in FIG. 3, the metal roof formed by connecting the stacking type heat insulating roof material 100 is illustrated, but by applying a press work after attaching the heat insulating sheet 20 and the weather resistant sheet 30 to the plate material 10a, a goby type is obtained. It is also possible to manufacture the heat-insulating roofing material 100 and the combined heat-insulating roofing material 100.

例えば、図４に示すように、ハゼ式折板の形状を有する断熱屋根材１００を形成した場合、隣り合う断熱屋根材１００の連結部１３同士を接合して、複数の断熱屋根材１００を連結してなる金属屋根を構築することができる。
このハゼ式の断熱屋根材１００であっても、断熱屋根材１００の連結部分に耐候性シート３０の端部が挟み込まれていることで、耐候性シート３０が屋根材本体１０から剥がれ難くなっている。 For example, as shown in FIG. 4, when the heat insulating roof material 100 having a shape of a goby-type folded plate is formed, the connecting portions 13 of the adjacent heat insulating roof materials 100 are joined to connect the plurality of heat insulating roof materials 100. A metal roof can be constructed.
Even with this goby-type heat-insulating roofing material 100, the weather-resistant sheet 30 is less likely to be peeled off from the roofing material main body 10 because the end portion of the weather-resistant sheet 30 is sandwiched between the connected portions of the heat-insulating roofing material 100. There is.

また、例えば、図５に示すように、篏合式折板の形状を有する断熱屋根材１００を形成した場合、隣り合う断熱屋根材１００の連結部１３同士を所定の連結部材６０を介して接合し、複数の断熱屋根材１００を連結してなる金属屋根を構築することができる。
具体的には、一方の断熱屋根材１００の連結部１３における耐候性シート３０と、他方の断熱屋根材１００の連結部１３における耐候性シート３０が、所定の連結部材６０やキャップＣとの間に挟まれた状態で、その連結部材６０やキャップＣを介して互いの連結部１３を連結するようにして、隣り合う断熱屋根材１００が連結されている。
連結部材６０は、鋼板などからなる連結板材１５に断熱シート２０と耐候性シート３０を貼付して形成した部材である。
この篏合式の断熱屋根材１００であっても、断熱屋根材１００の連結部分に耐候性シート３０の端部が挟み込まれていることで、耐候性シート３０が屋根材本体１０から剥がれ難くなっている。 Further, for example, as shown in FIG. 5, when the heat insulating roofing material 100 having the shape of the interlocking folded plate is formed, the connecting portions 13 of the adjacent heat insulating roofing materials 100 are joined via the predetermined connecting member 60. A metal roof can be constructed by connecting a plurality of heat insulating roof materials 100.
Specifically, the weather resistant sheet 30 in the connecting portion 13 of the one heat insulating roof material 100 and the weather resistant sheet 30 in the connecting portion 13 of the other heat insulating roof material 100 are disposed between the predetermined connecting member 60 and the cap C. The heat insulating roofing materials 100 adjacent to each other are connected so as to connect the connecting portions 13 to each other via the connecting member 60 and the cap C in the state of being sandwiched between the heat insulating roofing materials 100.
The connecting member 60 is a member formed by attaching the heat insulating sheet 20 and the weather resistant sheet 30 to the connecting plate member 15 made of a steel plate or the like.
Even with this combined type heat insulating roof material 100, since the end portion of the weather resistant sheet 30 is sandwiched between the connecting portions of the heat insulating roof material 100, the weather resistant sheet 30 is less likely to be peeled off from the roof material main body 10. There is.

なお、ハゼ式の断熱屋根材１００と、篏合式の断熱屋根材１００の場合、その断熱屋根材１００に貼付されている耐候性シート３０の脆弱部３１の長さは、耐候性シート３０の全幅に相当する長さであってよい。
ハゼ式の断熱屋根材１００と篏合式の断熱屋根材１００であれば、断熱屋根材１００の連結部分に耐候性シート３０の全長に亘ってその端部が挟み込まれているため、耐候性シート３０の端部の脆弱部３１の端から耐候性シート３０に亀裂が生じ難くなっているので、脆弱部３１はその耐候性シート３０の幅に対応する長さを有していてもよい。
これに対し、重ね式の断熱屋根材１００の場合、断熱屋根材１００の連結部分において耐候性シート３０の端部が締結具Ｂによって押さえられている部分があるので、耐候性シート３０の端部にまで脆弱部３１の端が達していないことが好ましく、その耐候性シート３０の脆弱部３１は、耐候性シート３０の幅よりも短く形成されているようにする。 In the case of the goby-type heat-insulating roof material 100 and the combined heat-insulating roof material 100, the length of the fragile portion 31 of the weather-resistant sheet 30 attached to the heat-insulating roof material 100 is the entire width of the weather-resistant sheet 30. The length may correspond to.
In the case of the goby-type heat-insulating roofing material 100 and the integrated heat-insulating roofing material 100, the weatherproof sheet 30 has its ends sandwiched between the connecting portions of the heat-insulating roofing material 100 over the entire length thereof. Since the weather resistant sheet 30 is less likely to crack from the end of the fragile portion 31 at the end, the fragile portion 31 may have a length corresponding to the width of the weather resistant sheet 30.
On the other hand, in the case of the stack-type heat-insulating roof material 100, there is a portion where the end portion of the weather-resistant sheet 30 is pressed by the fastener B in the connecting portion of the heat-insulating roof material 100. It is preferable that the edge of the fragile portion 31 does not reach to the point, and the fragile portion 31 of the weather resistant sheet 30 is formed to be shorter than the width of the weather resistant sheet 30.

なお、本発明は上記実施形態に限られるものではない。
例えば、図６（ａ）（ｂ）（ｃ）、図７に示すように、金属屋根として構築されている既存の屋根材本体１０（折板）に断熱シート２０と耐候性シート３０を貼付して断熱屋根材１００を形成してもよい。
具体的には、図６（ａ）に示すように、接着剤を用いて、長尺な剥離紙Ｐに長尺な矩形状の断熱シート２０を貼付する。なお、剥離紙Ｐには、ミシン目などの切断線Ｌが設けられている。
次いで、図６（ｂ）に示すように、断熱シート２０よりも大きなサイズの長尺な矩形状の耐候性シート３０の周縁を、断熱シート２０の周縁よりも外側に配するように、接着剤を用いて耐候性シート３０を断熱シート２０に重ねて剥離紙Ｐに貼付する。
このとき、断熱シート２０の脆弱部２１に耐候性シート３０の脆弱部３１を重ねるように、耐候性シート３０を断熱シート２０に位置合わせして剥離紙Ｐに貼付する。
次いで、図６（ｃ）、図７に示すように、剥離紙Ｐを取り除いた後、断熱シート２０及び耐候性シート３０を既存の屋根材本体１０に貼付して断熱屋根材１００を形成する。
なお、断熱シート２０及び耐候性シート３０を屋根材本体１０に貼付し易いように、切断線Ｌに沿って剥離紙Ｐを切断して部分的に剥離紙Ｐを取り除きながら、断熱シート２０及び耐候性シート３０を屋根材本体１０に貼付することが好ましい。 The present invention is not limited to the above embodiment.
For example, as shown in FIGS. 6(a), (b), (c), and FIG. 7, an insulating sheet 20 and a weather resistant sheet 30 are attached to an existing roofing material body 10 (folded plate) constructed as a metal roof. The heat-insulating roofing material 100 may be formed by
Specifically, as shown in FIG. 6A, the long rectangular heat insulating sheet 20 is attached to the long release paper P using an adhesive. The release liner P has cut lines L such as perforations.
Next, as shown in FIG. 6B, an adhesive is applied so that the peripheral edge of the elongated rectangular weatherproof sheet 30 having a size larger than that of the heat insulating sheet 20 is arranged outside the peripheral edge of the heat insulating sheet 20. The weather resistant sheet 30 is overlaid on the heat insulating sheet 20 by using, and attached to the release paper P.
At this time, the weather resistant sheet 30 is aligned with the heat insulating sheet 20 and attached to the release paper P so that the weak portion 31 of the weather resistant sheet 30 overlaps the weak portion 21 of the heat insulating sheet 20.
Next, as shown in FIGS. 6C and 7, after the release paper P is removed, the heat insulating sheet 20 and the weather resistant sheet 30 are attached to the existing roof material main body 10 to form the heat insulating roof material 100.
In order to easily attach the heat insulating sheet 20 and the weather resistant sheet 30 to the roofing material main body 10, the heat insulating sheet 20 and the weather resistant sheet 20 are cut while the release paper P is partially removed along the cutting line L to partially remove the release paper P. It is preferable that the property sheet 30 is attached to the roofing material body 10.

ここでは、図６（ｃ）、図７に示すように、重ね式折板の形状を有する屋根材本体１０に断熱シート２０及び耐候性シート３０を貼付して断熱屋根材１００を形成している。
具体的には、図８（ａ）に示すように、重ね式の屋根材本体１０に断熱シート２０及び耐候性シート３０を貼付する場合、一旦締結具Ｂを外し、屋根材本体１０の連結部分に耐候性シート３０の縁を貼付した後、締結具Ｂを取り付け直すようにする。 Here, as shown in FIGS. 6C and 7, the heat insulating sheet 20 and the weather resistant sheet 30 are attached to the roof material main body 10 having the shape of a foldable folded plate to form the heat insulating roof material 100. ..
Specifically, as shown in FIG. 8A, when the heat insulating sheet 20 and the weather resistant sheet 30 are attached to the stackable roofing material body 10, the fastener B is temporarily removed to connect the roofing material body 10 to the connecting portion. After attaching the edge of the weather resistant sheet 30 to, the fastener B is reattached.

また、図８（ｂ）に示すように、ハゼ式の屋根材本体１０に断熱シート２０及び耐候性シート３０を貼付する場合、屋根材本体１０の連結部分の近傍に耐候性シート３０の縁を貼付するようにし、その耐候性シート３０の縁をリベットＲで屋根材本体１０に留めつけて剥離防止を図るようにする。 Further, as shown in FIG. 8B, when the heat insulating sheet 20 and the weather resistant sheet 30 are attached to the goby-type roof material main body 10, the edge of the weather resistant sheet 30 is provided in the vicinity of the connecting portion of the roof material main body 10. The edges of the weather resistant sheet 30 are fastened to the roofing material main body 10 with the rivets R so as to prevent peeling.

また、図８（ｃ）に示すように、鋼板製の連結部材５０とキャップＣを介して連結されている篏合式の屋根材本体１０に断熱シート２０及び耐候性シート３０を貼付する場合、屋根材本体１０の連結部分の近傍に耐候性シート３０の縁を貼付するようにし、その耐候性シート３０の縁をリベットＲで屋根材本体１０に留めつけて剥離防止を図るようにする。なお、連結部材５０にも断熱シート２０及び耐候性シート３０を貼付し、その耐候性シート３０の縁もリベットＲにて屋根材本体１０に留めつけることが好ましい。 Further, as shown in FIG. 8C, when the heat insulating sheet 20 and the weather resistant sheet 30 are attached to the integrated roof material main body 10 that is connected to the steel plate connecting member 50 via the cap C, the roof The edge of the weather resistant sheet 30 is attached in the vicinity of the connecting portion of the material body 10, and the edge of the weather resistant sheet 30 is fixed to the roof material body 10 with the rivet R to prevent peeling. It is preferable that the heat insulating sheet 20 and the weather resistant sheet 30 are attached to the connecting member 50, and the edges of the weather resistant sheet 30 are also fastened to the roofing material main body 10 with the rivets R.

このように形成した断熱屋根材１００であっても、図８（ａ）（ｂ）（ｃ）に示すように、断熱シート２０は耐候性シート３０によって被覆されており、劣化し難いように保護されているので、耐候性に優れた屋根材とすることができる。 Even with the heat-insulating roofing material 100 formed in this way, as shown in FIGS. 8A, 8B, and 8C, the heat-insulating sheet 20 is covered with the weather-resistant sheet 30 and is protected from deterioration. Therefore, the roof material having excellent weather resistance can be obtained.

ところで、断熱屋根材１００の連結部分などに不具合がある場合、例えば、締結具ＢやリベットＲを取り付けるために開けた孔に不具合がある場合、その部分から浸入した雨水が耐候性シート３０の内側に溜まってしまうことがある。また、溜まった雨水の重みにより耐候性シート３０が剥がれてしまうおそれがある。
その対策として、耐候性シート３０の脆弱部３１をスリット（切れ目）に形成しておけば、万が一、雨水が耐候性シート３０の内側に浸入してしまうことがあっても、そのスリットから排水されるようになるので、耐候性シート３０の内側に雨水が溜まってしまうことを防ぐことができる。
また、耐候性シート３０の脆弱部３１（スリット）から雨水が染み出ている場合、断熱屋根材１００に何らかの不具合があることがわかるので、雨漏りが生じた断熱屋根材１００の点検を行い、例えば、締結具ＢやリベットＲの取り付け部分に止水処理を施すなど、早期に対応することが可能になる。 By the way, when there is a defect in the connecting portion of the heat insulating roofing material 100, for example, when there is a defect in the hole opened for attaching the fastener B or the rivet R, the rainwater that has infiltrated from that part is inside the weather resistant sheet 30. May accumulate in. Further, the weight of the accumulated rainwater may cause the weather resistant sheet 30 to peel off.
As a countermeasure, if the fragile portion 31 of the weather resistant sheet 30 is formed in a slit (break), even if rainwater may enter the inside of the weather resistant sheet 30, it will be drained from the slit. As a result, rainwater can be prevented from collecting inside the weather resistant sheet 30.
In addition, when rainwater seeps out from the fragile portion 31 (slit) of the weather resistant sheet 30, it can be seen that the thermal insulation roofing material 100 has some trouble. Therefore, the thermal insulation roofing material 100 in which rain has leaked is inspected, and for example, In this way, it is possible to take an early action such as applying a water-stop treatment to the attachment parts of the fastener B and the rivet R.

なお、本発明の適用は上述した実施形態に限定されることなく、本発明の趣旨を逸脱しない範囲で適宜変更可能である。 It should be noted that the application of the present invention is not limited to the above-described embodiments, and can be appropriately changed without departing from the spirit of the present invention.

１０ 屋根材本体
１０ａ 板材
２０ 断熱シート
２１ 脆弱部
３０ 耐候性シート
３１ 脆弱部
１３ 連結部
１５ 連結板材
５０ 連結部材
６０ 連結部材
１００ 断熱屋根材
Ｂ 締結具
Ｃ キャップ（連結部材）
Ｐ 剥離紙
Ｌ 切断線
Ｒ リベット 10 Roofing Material Main Body 10a Plate Material 20 Insulation Sheet 21 Weak Section 30 Weatherproof Sheet 31 Weak Section 13 Connecting Section 15 Connecting Plate Material 50 Connecting Member 60 Connecting Member 100 Insulating Roofing Material B Fastener C Cap (Connecting Member)
P Release paper L Cutting line R Rivet

Claims (8)

長尺な矩形状の板材がその長手方向に沿う折り線にて折曲されてなる屋根材本体と、
前記板材よりも小さなサイズの長尺な矩形状を呈し、その周縁が前記屋根材本体の周縁よりも内側に位置するように前記屋根材本体に貼付される断熱シートと、
前記断熱シートよりも大きなサイズの長尺な矩形状を呈し、その周縁が前記断熱シートの周縁よりも外側に位置するように前記断熱シートに重ねて前記屋根材本体に貼付される耐候性シートと、
を備えたことを特徴とする断熱屋根材。 A roofing material main body formed by bending a long rectangular plate material along a fold line along its longitudinal direction,
A long rectangular shape having a smaller size than the plate material, and a heat insulating sheet attached to the roof material main body so that the peripheral edge thereof is located inside the peripheral edge of the roof material main body,
A weather-resistant sheet that has a long rectangular shape having a size larger than that of the heat insulating sheet, and is laminated on the heat insulating sheet so that its peripheral edge is located outside the peripheral edge of the heat insulating sheet, and is attached to the roofing material main body. ,
A heat-insulating roofing material characterized by having. 複数の断熱屋根材を連結可能にするため、当該断熱屋根材の両端部には、前記屋根材本体と前記耐候性シートとが積層されている部分が前記板材の長手方向に沿う折り線にて折曲されて形成された連結部が設けられており、
隣り合う断熱屋根材を連結する場合、少なくとも一方の断熱屋根材の連結部における前記耐候性シートが他方の断熱屋根材の連結部との間に挟まれた状態で、互いの連結部が連結可能に構成されていることを特徴とする請求項１に記載の断熱屋根材。 In order to connect a plurality of heat-insulating roof materials, at both ends of the heat-insulating roof material, a portion in which the roof material body and the weather resistant sheet are laminated is a fold line along the longitudinal direction of the plate material. A connecting part formed by bending is provided,
When adjoining heat-insulating roof materials, at least one heat-insulating roof material can be connected to each other with the weather resistant sheet sandwiched between the heat-insulating roof material and the other heat-insulating roof material. The heat insulating roof material according to claim 1, wherein the heat insulating roof material is configured as follows. 複数の断熱屋根材を連結可能にするため、当該断熱屋根材の両端部には、前記屋根材本体と前記耐候性シートとが積層されている部分が前記板材の長手方向に沿う折り線にて折曲されて形成された連結部が設けられており、
隣り合う断熱屋根材を連結する場合、一方の断熱屋根材の連結部における前記耐候性シートと、他方の断熱屋根材の連結部における前記耐候性シートが、所定の連結部材との間に挟まれた状態で、その連結部材を介して互いの連結部が連結可能に構成されていることを特徴とする請求項１に記載の断熱屋根材。 In order to connect a plurality of heat-insulating roof materials, at both ends of the heat-insulating roof material, a portion in which the roof material body and the weather resistant sheet are laminated is a fold line along the longitudinal direction of the plate material. A connecting part formed by bending is provided,
When connecting adjacent heat insulating roof materials, the weather resistant sheet in the connecting portion of one heat insulating roof material and the weather resistant sheet in the connecting portion of the other heat insulating roof material are sandwiched between a predetermined connecting member. The heat insulating roof material according to claim 1, wherein the connecting portions are configured to be connectable via the connecting member in the opened state. 前記断熱シートには、その長手方向と交差する向きの筋状に形成されている、他の部分よりも強度が弱い脆弱部が、シートの長手方向に所定間隔をあけて複数設けられていることを特徴とする請求項１〜３のいずれか一項に記載の断熱屋根材。 The heat insulating sheet is provided with a plurality of fragile portions, which are formed in a stripe shape in a direction intersecting with the longitudinal direction and are weaker in strength than other portions, at predetermined intervals in the longitudinal direction of the sheet. The heat insulating roofing material according to any one of claims 1 to 3. 前記耐候性シートには、その長手方向と交差する向きの筋状に形成されている、他の部分よりも強度が弱い脆弱部が、シートの長手方向に所定間隔をあけて複数設けられており、
前記耐候性シートの脆弱部は、前記断熱シートの脆弱部と重なる位置に設けられていることを特徴とする請求項４に記載の断熱屋根材。 The weather resistant sheet is formed in a stripe shape in a direction intersecting with the longitudinal direction thereof, and a plurality of fragile portions whose strength is weaker than other portions are provided at predetermined intervals in the longitudinal direction of the sheet. ,
The heat-insulating roofing material according to claim 4, wherein the fragile portion of the weather resistant sheet is provided at a position overlapping the fragile portion of the heat insulating sheet. 前記耐候性シートの脆弱部は、前記断熱シートの脆弱部と略同じ長さを有していることを特徴とする請求項５に記載の断熱屋根材。 The fragile portion of the weather resistant sheet has substantially the same length as the fragile portion of the heat insulating sheet, and the heat insulating roof material according to claim 5. 長尺な矩形状の板材に、その板材よりも小さなサイズの長尺な矩形状の断熱シートをその周縁を前記板材の周縁よりも内側に配するように貼付する工程と、
前記断熱シートよりも大きなサイズの長尺な矩形状の耐候性シートの周縁を前記断熱シートの周縁よりも外側に配するように、前記耐候性シートを前記断熱シートに重ねて前記板材に貼付する工程と、
所定の断熱屋根材の形状と同様な形状とするため、前記断熱シートと前記耐候性シートとが貼付されている前記板材をその長手方向に沿う折り線にて折曲する工程と、
を有する断熱屋根材の製造方法であって、
前記板材を折曲する工程にて、前記板材の両端側で前記板材と前記耐候性シートとが積層されている部分を前記板材の長手方向に沿う折り線にて折曲することで、隣り合う断熱屋根材を連結する際に、少なくとも一方の断熱屋根材の前記耐候性シートがその連結部分にて挟まれた状態になる連結部を形成することを特徴とする断熱屋根材の製造方法。 To a long rectangular plate material, a step of attaching a long rectangular heat insulating sheet of a smaller size than the plate material so that the peripheral edge thereof is arranged inside the peripheral edge of the plate material,
The weather resistant sheet is laminated on the heat insulating sheet and attached to the plate material so that the peripheral edge of a long rectangular weather resistant sheet having a size larger than the heat insulating sheet is arranged outside the peripheral edge of the heat insulating sheet. Process,
In order to have a shape similar to the shape of a predetermined heat insulating roof material, a step of bending the plate material on which the heat insulating sheet and the weather resistant sheet are attached at a fold line along the longitudinal direction,
A method of manufacturing an insulating roofing material having:
In the step of bending the plate material, the parts where the plate material and the weather resistant sheet are laminated on both end sides of the plate material are bent along a fold line along the longitudinal direction of the plate material to be adjacent to each other. A method for manufacturing a heat insulating roof material, which comprises forming a connecting portion in which at least one of the weather resistant sheets of the heat insulating roof material is sandwiched by the connecting portions when connecting the heat insulating roof material. 前記断熱シートと前記耐候性シートにはそれぞれ、その長手方向と交差する向きの筋状に形成されている、他の部分よりも強度が弱い脆弱部が、シートの長手方向に所定間隔をあけて複数設けられており、
前記耐候性シートを貼付する工程においては、前記断熱シートの脆弱部に前記耐候性シートの脆弱部を重ねるように、前記耐候性シートを前記断熱シートに重ねて前記板材に貼付することを特徴とする請求項７に記載の断熱屋根材の製造方法。 Each of the heat insulating sheet and the weather resistant sheet is formed in a stripe shape in a direction intersecting with the longitudinal direction, weakened portions having a weaker strength than other portions are provided at predetermined intervals in the longitudinal direction of the sheet. There are multiple,
In the step of attaching the weather resistant sheet, the weather resistant sheet is attached to the plate material so as to overlap the fragile portion of the weather resistant sheet with the fragile portion of the heat insulating sheet. The method for manufacturing the heat insulating roof material according to claim 7.
JP2018238588A 2018-12-20 2018-12-20 Heat-insulating roof material and method for manufacturing heat-insulating roof material Withdrawn JP2020100971A (en)

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