JP3400766B2 - Roof insulation construction method using ventilation layer securing member - Google Patents
Roof insulation construction method using ventilation layer securing memberInfo
- Publication number
- JP3400766B2 JP3400766B2 JP2000042391A JP2000042391A JP3400766B2 JP 3400766 B2 JP3400766 B2 JP 3400766B2 JP 2000042391 A JP2000042391 A JP 2000042391A JP 2000042391 A JP2000042391 A JP 2000042391A JP 3400766 B2 JP3400766 B2 JP 3400766B2
- Authority
- JP
- Japan
- Prior art keywords
- ventilation layer
- securing member
- rafters
- layer securing
- construction method
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000009423 ventilation Methods 0.000 title claims description 54
- 238000010276 construction Methods 0.000 title claims description 15
- 238000009413 insulation Methods 0.000 title claims description 10
- 239000011810 insulating material Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 description 9
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 239000011120 plywood Substances 0.000 description 4
- 230000035699 permeability Effects 0.000 description 3
- 239000011491 glass wool Substances 0.000 description 2
- 239000000123 paper Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
Landscapes
- Building Environments (AREA)
Description
【発明の詳細な説明】
【０００１】
【発明の属する技術分野】本発明は、野地板と断熱材と
の間に通気層を確保するための通気層確保部材を用いた
屋根断熱施工方法に関する。
【０００２】
【従来の技術】従来、屋根に断熱材を施工する場合に
は、結露防止や遮熱などの目的で、断熱材の室外側に通
気層を設けることが多い。垂木間に断熱材を充填する場
合において、断熱材の室外側に通気層を確保する方法と
しては、次のような施工方法が一般的である。
【０００３】先ず、図４に示すように、垂木１００の上
に通気層用の野地板１０１を張り、その上に通気層確保
のための通気層用垂木１０２を取り付け、その上に野地
板１０３を施工し、通気層用の野地板１０１と野地板１
０３との間の空間を通気層１０４とし、垂木１００の間
に断熱材１０５を充填する施工方法である。この場合
に、図５に示すように、通気層用の野地板１０１の代わ
りに、透湿防風シート１０６を使用することもある。
【０００４】また、図６に示すように、垂木１００に野
地板１０３を張った後、野地板１０３の室内側に受け材
１０７を設け、この受け材１０７に室内側から合板１０
８などを張って、野地板１０３と合板１０８などとの間
の空間を通気層１０４とし、垂木１００の間に断熱材１
０５を充填する施工方法である。この場合に、図７に示
すように、受け材１０７を設けず、垂木１００に切り込
み１０９を入れ、その切り込み１０９に合板１０８など
を嵌め込むこともある。
【０００５】
【発明が解決しようとする課題】しかし、従来の屋根断
熱施工方法においては、垂木１００の上に通気層用野地
板１０１又は透湿防風シート１０６を張ってから通気層
用垂木１０２を取り付け、更に野地板１０３を張ったり
（図４、図５）、垂木１００に野地板１０３を張った
後、野地板１０３の室内側に受け材１０７を設け、この
受け材１０７に室内側から合板１０８などを張ったり
（図６）、垂木１００に切り込み１０９を入れてそこに
合板１０８などを嵌め込んだり（図７）しなくてはいけ
ないため、通気層確保１０４の作業が煩雑で時間が掛か
るという問題がある。また、垂木１００の上に透湿防風
シート１０６を張ってから通気層用垂木１０２を取り付
ける作業は、透湿防風シート１０６により垂木１００の
位置が分かり難くなり、作業性がよくないという問題が
ある。
【０００６】本発明は、従来の技術が有するこのような
問題点に鑑みてなされたものであり、その目的とすると
ころは、野地板と断熱材との間に通気層が容易に確保で
きる通気層確保部材及びそれを用いた屋根断熱施工方法
を提供しようとするものである。
【０００７】
【課題を解決するための手段】上記課題を解決すべく請
求項１に係る発明は、上面に野地板を張った垂木間に断
熱材を充填する際に、垂木間に室内側から通気層確保部
材を嵌め込んで、野地 板と断熱材との間に通気層を確保
するようにし、且つ前記垂木間に前記断熱材を前記通気
層確保部材に当接するように室内側から充填する屋根断
熱施工方法において、前記通気層確保部材は、段ボール
を用いる板状部材からなり、所定の寸法に形成した通気
性を有する前記板状部材の両端部を２箇所で折り返し、
これら折り返した両端部をばね性を有する山状凸部を形
成して構成され、この通気層確保部材を前記段ボールの
中芯の方向が前記垂木に対して直角になるようにしたも
のである。
【０００８】
【発明の実施の形態】以下に本発明の実施の形態を添付
図面に基づいて説明する。ここで、図１は本発明に係る
通気層確保部材の斜視図、図２は通気層確保部材に用い
る段ボールの斜視図、図３は本発明に係る屋根断熱施工
方法を施した屋根断熱構造の断面図である。
【０００９】図１に示すように、本発明に係る通気層確
保部材１は、所定の寸法に形成したある程度の剛性と通
気性を有する板状部材２の長辺方向に沿った両端部を２
箇所で折り返し、両端部に山状凸部３，３を形成してな
る。
【００１０】板状部材２として、例えば図２に示すよう
に、幅（短辺方向）Ｗが５４４ｍｍ、長さ（長辺方向）
Ｌが９１０ｍｍ、厚さＤが５ｍｍで、中芯４ａが１段の
段ボール４を用いることができる。なお、通気層確保部
材１の材料を段ボール４とすれば、断熱材中に万が一湿
気が混入しても、段ボール４を通して湿気が通気層に排
出されるため、結露の虞が少ない。
【００１１】そして、段ボール４の長辺方向に沿った両
端部４ｂから夫々距離Ｗ１が４７ｍｍと距離Ｗ２が８５
ｍｍの位置に全長にわたって４本のミシン目４ｃを入
れ、各ミシン目４ｃの箇所を折り返す。
【００１２】すると、図１に示すような両端部に山状凸
部３，３を有する通気層確保部材１とすることができ
る。この時、段ボール４の中芯４ａの方向が短辺方向と
平行になるようにする。
【００１３】本発明に係る屋根断熱施工方法は、図３に
示すように、所定の間隔で設けられた垂木５の上面に野
地板６を張った後で、先ず垂木５の間に室内側から通気
層確保部材１を山状凸部３の頂き３ａが室外側（野地板
６側）になるように垂木５の間に挿入する。
【００１４】すると、両端部に形成した山状凸部３がば
ねとして作用するため、ステープルなどの特別な固定手
段を用いなくても、垂木５の間で保持させ、落下するこ
とはない。ここでは、垂木５の間隔Ａは芯芯で４５５ｍ
ｍ、垂木５の厚さＢは３８ｍｍ、垂木５の高さＣは１３
５ｍｍとしている。また、山状凸部３がばねとして作用
するため、垂木５の間隔Ａが若干相違しても寸法誤差を
吸収して通気層確保部材１を垂木５の間に嵌め込むこと
ができる。
【００１５】次いで、垂木５の間に断熱材７を通気層確
保部材１に当接するように室内側から充填する。断熱材
７としては、例えば厚さ１００ｍｍの高性能１６Ｋグラ
スウールが用いられる。なお、断熱材７はグラスウール
に限らず、全ての断熱材が使用可能である。
【００１６】そして、通気層確保部材１が有する剛性に
より、断熱材７を通気層確保部材１にある程度の圧力で
当接させて充填しても、通気層確保部材１は押し潰され
ずに野地板６と通気層確保部材１との間には所望の間隙
Ｓが維持される。すると、野地板６と断熱材７との間に
は、通気性のある通気層確保部材１を介して結露防止や
遮熱などのための約３０ｍｍの通気層８が確保される。
【００１７】また、上述したように、段ボール４の中芯
４ａの方向が短辺方向と平行になるようにしたので、通
気層確保部材１が垂木５の間に嵌め込まれた状態におい
て、中芯４ａの方向が垂木５に対して直角になるため、
山状凸部３のばね性が増すと共に、通気層確保部材１と
してある程度の剛性を得ることができる。
【００１８】また、段ボール４は、中芯４ａの方向に沿
って折れ易いが、段ボール４が折れても垂木５に対して
直角に折れるので、山状凸部３のばね性には影響せず通
気層確保部材１として使用不可能になることがない。
【００１９】通気層確保部材１を形成する材料として
は、段ボール４が望ましいが、同程度の剛性と通気性を
有する材料であれば、特に限定されない。また、段ボー
ル４の場合、紙の質、紙の厚さや中芯４ａの段数など
は、特に限定されない。
【００２０】通気層確保部材１の幅（短辺方向）、長さ
（長辺方向）、ミシン目４ｃの位置は、垂木５の間隔や
通気層の高さに応じて変えればよく、サイズは特に限定
されない。また、通気層確保部材１の両端部の折り返し
は、ミシン目４ｃに限らず、折り返しが可能であれば、
特に限定されない。
【００２１】通気層確保部材１を垂木５の間に取り付け
るために、両端部の折り返しによって形成した山状凸部
３のばね性を利用するので、特別な固定手段を必要とし
ないが、ステープルや釘などで固定することも可能であ
る。
【００２２】更に、天井断熱の場合、軒先から小屋裏へ
の通気を確保するためせき板を設けるが、通気層確保部
材１を利用することで、簡単にせき板を構成することが
できる。
【００２３】
【発明の効果】以上説明したように請求項１に係る発明
によれば、垂木間に室内側から嵌め込むだけで容易に通
気層を確保することができるので、作業性の向上が図れ
ることができ、また、段ボールを用いることにより、断
熱材中に万が一湿気が混入しても、段ボールを通して湿
気が通気層に排出されるため、結露の虞が少ない。
【００２４】また、通気層確保部材の他に取付部材を必
要とせず、通気層確保が簡単で、作業を速やかに行うこ
とができる。さらに、垂木間に室内側から通気層確保部
材を嵌め込むだけで、固定手段を必要とせず、室外側か
らの施工を行う必要がなく、室内側から全ての施工がで
きるため、作業性がよい。BACKGROUND OF THE INVENTION [0001] [Technical Field of the Invention The present invention relates to roof thermal insulation construction method using the ventilation layer securing member for securing the ventilation layer between the sheathing roof board and the heat insulating member . [0002] Conventionally, when a heat insulating material is installed on a roof, a ventilation layer is often provided outside the heat insulating material for the purpose of preventing dew condensation and heat shielding. When a heat insulating material is filled between rafters, the following construction method is generally used as a method for securing a ventilation layer outside the heat insulating material. First, as shown in FIG. 4, a base plate 101 for a ventilation layer is put on a rafter 100, a rafter 102 for a ventilation layer for securing a ventilation layer is mounted thereon, and a base plate 103 is placed thereon. And the base plate 101 for the ventilation layer and the base plate 1
This is a construction method in which a space between the rafters 03 is a ventilation layer 104 and a heat insulator 105 is filled between the rafters 100. In this case, as shown in FIG. 5, a moisture-permeable windproof sheet 106 may be used instead of the base plate 101 for the ventilation layer. [0006] As shown in FIG. 6, after a base plate 103 is put on the rafter 100, a receiving member 107 is provided on the indoor side of the base plate 103, and the plywood 10 is placed on the receiving member 107 from the indoor side.
8 and the like, the space between the ground board 103 and the plywood 108 is used as the ventilation layer 104, and the heat insulating material 1 is placed between the rafters 100.
05 is a construction method. In this case, as shown in FIG. 7, a cut 109 may be made in the rafter 100 without providing the receiving material 107, and a plywood 108 or the like may be fitted into the cut 109. [0005] However, in the conventional roof heat insulation construction method, a ventilation layer base plate 101 or a moisture-permeable windproof sheet 106 is put on a rafter 100 and then the ventilation layer rafter 102 is attached. After attaching the base plate 103 (FIGS. 4 and 5) or setting the base plate 103 on the rafter 100, a receiving material 107 is provided on the indoor side of the base plate 103, and the receiving material 107 is attached to the receiving material 107 from the indoor side. 108 or the like (FIG. 6), or the notch 109 must be cut into the rafter 100 and the plywood 108 or the like must be fitted therein (FIG. 7), so that the work of securing the ventilation layer 104 is complicated and time-consuming. There is a problem. In addition, the work of attaching the ventilation layer rafter 102 after setting the moisture-permeable windproof sheet 106 on the rafter 100 has a problem that the position of the rafter 100 becomes difficult to understand due to the moisture-permeable windproof sheet 106, and the workability is poor. . The present invention has been made in view of the above-mentioned problems of the prior art, and an object of the present invention is to provide a ventilation layer in which a ventilation layer can be easily secured between a base plate and a heat insulating material. An object of the present invention is to provide a layer securing member and a roof insulation construction method using the same. [0007] In order to solve the above-mentioned problems, the invention according to claim 1 is to cut between rafters having a field board on the upper surface.
When filling with heat, between the rafters, a ventilation layer
Insert a material to secure a ventilation layer between the base plate and the insulation
And insulate the insulation between the rafters
Roof cutting to fill from inside the room so as to contact the layer securing member
In the thermal construction method, the ventilation layer securing member may be a corrugated cardboard.
Made of a plate-shaped member using
Fold both ends of the plate-like member having the property at two places,
These folded ends are formed into a mountain-shaped convex part with spring properties.
The ventilation layer securing member is formed of the corrugated cardboard.
The direction of the core is perpendicular to the rafter . Embodiments of the present invention will be described below with reference to the accompanying drawings. Here, FIG. 1 is a perspective view of a ventilation layer securing member according to the present invention, FIG. 2 is a perspective view of corrugated cardboard used for the ventilation layer securing member, and FIG. It is sectional drawing. As shown in FIG. 1, a ventilation layer securing member 1 according to the present invention has two ends along a long side direction of a plate-like member 2 formed to a predetermined size and having a certain degree of rigidity and air permeability.
It is formed by folding back at points and forming mountain-shaped projections 3 and 3 at both ends. As shown in FIG. 2, for example, the plate member 2 has a width (short side direction) W of 544 mm and a length (long side direction).
The cardboard 4 having L of 910 mm, thickness D of 5 mm, and a single core 4a can be used. If the material of the ventilation layer securing member 1 is cardboard 4, even if moisture is mixed in the heat insulating material, the moisture is discharged to the ventilation layer through the cardboard 4, so that there is little risk of dew condensation. The distance W1 is 47 mm and the distance W2 is 85 from both ends 4b along the long side direction of the cardboard 4.
The four perforations 4c are inserted into the position of mm over the entire length, and the position of each perforation 4c is turned back. As a result, it is possible to obtain the ventilation layer securing member 1 having the convex portions 3 at both ends as shown in FIG. At this time, the direction of the center 4a of the cardboard 4 is made parallel to the short side direction. As shown in FIG. 3, the roof heat insulating construction method according to the present invention comprises, after setting a field board 6 on the upper surface of the rafters 5 provided at a predetermined interval, firstly between the rafters 5 from the indoor side. The ventilation layer securing member 1 is inserted between the rafters 5 so that the peak 3a of the mountain-shaped convex portion 3 is on the outdoor side (the side of the base plate 6). Then, since the mountain-shaped convex portions 3 formed at both ends act as springs, the ridges 3 are held between the rafters 5 and do not drop without using special fixing means such as staples. Here, the interval A between the rafters 5 is 455 m at the core.
m, the thickness B of the rafter 5 is 38 mm, and the height C of the rafter 5 is 13
5 mm. Further, since the mountain-shaped convex portion 3 acts as a spring, even if the interval A between the rafters 5 is slightly different, the dimensional error can be absorbed and the ventilation layer securing member 1 can be fitted between the rafters 5. Next, a heat insulating material 7 is filled between the rafters 5 from the room side so as to contact the ventilation layer securing member 1. As the heat insulating material 7, for example, high-performance 16K glass wool having a thickness of 100 mm is used. The heat insulating material 7 is not limited to glass wool, and any heat insulating material can be used. Due to the rigidity of the gas permeable layer securing member 1, even if the heat insulating material 7 is filled with the gas permeable layer securing member 1 in contact with a certain pressure, the gas permeable layer securing member 1 is not crushed, and A desired gap S is maintained between 6 and the ventilation layer securing member 1. Then, a ventilation layer 8 of about 30 mm for preventing dew condensation and heat shielding is secured between the base plate 6 and the heat insulating material 7 through the ventilation layer securing member 1 having air permeability. Further, as described above, the direction of the core 4a of the corrugated cardboard 4 is made parallel to the direction of the short side, so that when the ventilation layer securing member 1 is fitted between the rafters 5, Since the direction of 4a is perpendicular to the rafter 5,
The spring property of the mountain-shaped convex portion 3 increases, and a certain degree of rigidity can be obtained as the ventilation layer securing member 1. The corrugated cardboard 4 is easily broken along the direction of the core 4a. However, even if the corrugated cardboard 4 is broken, the corrugated cardboard 4 breaks at a right angle to the rafter 5, so that the cardboard 4 does not affect the resiliency of the mountain-shaped convex portion 3. It does not become unusable as the ventilation layer securing member 1. The material for forming the gas permeable layer securing member 1 is preferably a corrugated cardboard 4, but is not particularly limited as long as the material has the same rigidity and gas permeability. In the case of the cardboard 4, the quality of the paper, the thickness of the paper, the number of steps of the core 4 a, and the like are not particularly limited. The width (short side direction), length (long side direction), and position of the perforation 4c of the ventilation layer securing member 1 may be changed according to the spacing between the rafters 5 and the height of the ventilation layer. There is no particular limitation. In addition, the folding of both ends of the ventilation layer securing member 1 is not limited to the perforation 4c, and if it can be folded,
There is no particular limitation. In order to attach the ventilation layer securing member 1 between the rafters 5, since the spring property of the mountain-shaped convex portion 3 formed by folding both ends is used, no special fixing means is required. It is also possible to fix with nails or the like. Furthermore, in the case of heat insulation from the ceiling, a weir is provided to ensure ventilation from the eaves to the back of the hut. However, by using the ventilation layer securing member 1, the weir can be easily formed. As described above, according to the first aspect of the present invention, a ventilation layer can be easily secured by merely fitting the rafter between the rafters from the indoor side, thereby improving workability. Can be achieved , and by using cardboard,
Even if moisture gets into the heating material, it
Since air is exhausted to the ventilation layer, there is little risk of dew condensation. Further, since no mounting member is required in addition to the ventilation layer securing member, the ventilation layer can be easily secured and the operation can be performed quickly. Furthermore, since only the ventilation layer securing member is inserted between the rafters from the indoor side, there is no need for a fixing means, and there is no need to perform the installation from the outdoor side. .
【図面の簡単な説明】
【図１】本発明に係る通気層確保部材の斜視図
【図２】通気層確保部材に用いる段ボールの斜視図
【図３】本発明に係る屋根断熱施工方法を施した屋根断
熱構造の断面図
【図４】従来の屋根断熱施工方法を施した屋根断熱構造
の断面図
【図５】従来の屋根断熱施工方法を施した屋根断熱構造
の断面図
【図６】従来の屋根断熱施工方法を施した屋根断熱構造
の断面図
【図７】従来の屋根断熱施工方法を施した屋根断熱構造
の断面図
【符号の説明】
１…通気層確保部材、 ２…板状部材、 ３…山状凸
部、 ３ａ…山状凸部の頂き、 ４…段ボール、 ４ａ
…中芯、 ４ｂ…両端部、 ４ｃ…ミシン目、５…垂
木、 ６…野地板、 ７…断熱材、 ８…通気層。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a ventilation layer securing member according to the present invention. FIG. 2 is a perspective view of corrugated cardboard used for a ventilation layer securing member. FIG. FIG. 4 is a cross-sectional view of a roof heat-insulating structure subjected to a conventional roof heat-insulating construction method. FIG. 5 is a cross-sectional view of a roof heat-insulating structure subjected to a conventional roof heat-insulating construction method. FIG. 7 is a cross-sectional view of a roof heat-insulating structure subjected to a conventional roof heat-insulating construction method. FIG. 7 is a cross-sectional view of a roof heat-insulating structure subjected to a conventional roof heat-insulating construction method. , 3 ... mountain-shaped convex portion, 3a ... mountain-shaped convex portion, 4 ... cardboard, 4a
... Center, 4b ... Ends, 4c ... Perforation, 5 ... Rafter, 6 ... Field board, 7 ... Insulation material, 8 ... Vent layer.
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) E04B 1/62 - 1/99 ──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. 7 , DB name) E04B 1/62-1/99
Claims (1)
充填する際に、垂木間に室内側から通気層確保部材を嵌
め込んで、野地板と断熱材との間に通気層を確保するよ
うにし、且つ前記垂木間に前記断熱材を前記通気層確保
部材に当接するように室内側から充填する屋根断熱施工
方法において、前記通気層確保部材は、段ボールを用い
る板状部材からなり、所定の寸法に形成した通気性を有
する前記板状部材の両端部を２箇所で折り返し、これら
折り返した両端部をばね性を有する山状凸部を形成して
構成され、この通気層確保部材を前記段ボールの中芯の
方向が前記垂木に対して直角になるようにしたことを特
徴とする屋根断熱施工方法。(57) [Claims] [Claim 1] Insulating material between rafters with a base plate on the top surface
When filling, insert a ventilation layer securing member from the room side between rafters
To secure a ventilation layer between the base plate and the insulation.
To secure the ventilation layer between the rafters and the heat insulating material.
Roof insulation construction that fills from inside the room so that it comes into contact with components
In the method, the ventilation layer securing member uses cardboard.
It is made of a plate-like member with
The both ends of the plate-like member to be folded back at two places.
The folded both ends are formed into a mountain-shaped convex part with spring properties.
This ventilating layer securing member
The direction is perpendicular to the rafter.
Roof insulation construction method .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000042391A JP3400766B2 (en) | 2000-02-21 | 2000-02-21 | Roof insulation construction method using ventilation layer securing member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000042391A JP3400766B2 (en) | 2000-02-21 | 2000-02-21 | Roof insulation construction method using ventilation layer securing member |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001227080A JP2001227080A (en) | 2001-08-24 |
| JP3400766B2 true JP3400766B2 (en) | 2003-04-28 |
Family
ID=18565469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000042391A Expired - Lifetime JP3400766B2 (en) | 2000-02-21 | 2000-02-21 | Roof insulation construction method using ventilation layer securing member |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3400766B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4708782B2 (en) * | 2004-12-21 | 2011-06-22 | ミサワホーム株式会社 | Roof structure |
| JP4969857B2 (en) * | 2006-01-26 | 2012-07-04 | マグ・イゾベール株式会社 | Breathable spacer |
| JP4827176B2 (en) * | 2006-04-11 | 2011-11-30 | 旭ファイバーグラス株式会社 | Heat shield sheet and attic heat shield structure |
| JP5179273B2 (en) * | 2008-06-27 | 2013-04-10 | ケイミュー株式会社 | Thermal insulation member for roof and ventilation structure of roof |
| JP6333460B1 (en) * | 2017-11-14 | 2018-05-30 | 株式会社アールシーコア | Roof structure |
-
2000
- 2000-02-21 JP JP2000042391A patent/JP3400766B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2001227080A (en) | 2001-08-24 |
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