JP2005059506A - Moisture permeable waterproof sheet with radiant heat reflecting function - Google Patents
Moisture permeable waterproof sheet with radiant heat reflecting function Download PDFInfo
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- JP2005059506A JP2005059506A JP2003295392A JP2003295392A JP2005059506A JP 2005059506 A JP2005059506 A JP 2005059506A JP 2003295392 A JP2003295392 A JP 2003295392A JP 2003295392 A JP2003295392 A JP 2003295392A JP 2005059506 A JP2005059506 A JP 2005059506A
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- waterproof sheet
- radiant heat
- permeable waterproof
- moisture permeable
- heat reflecting
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Abstract
Description
本発明は、防水シートに関するものである。 The present invention relates to a waterproof sheet.
一般に建築物の外壁用防水シートとしては、アスファルト系、ゴム化アスファルト系または防水性を有しかつ通気性を有する透湿防水シートが使用されている。これらのシートは0.1〜2mm程度の厚みのもので、これらのシートを使用しても遮熱および断熱効果はほとんど得られない。 In general, as a waterproof sheet for an outer wall of a building, an asphalt type, a rubberized asphalt type, or a moisture permeable waterproof sheet having waterproofness and air permeability is used. These sheets have a thickness of about 0.1 to 2 mm, and even if these sheets are used, heat insulation and heat insulation effects are hardly obtained.
また、アルミニウム箔等の輻射熱反射作用を利用するために透湿防水シートとアルミニウム箔を一体化しようとするとアルミニウム箔には通気性が無いため、透湿防水シートとしての役割を果たさなくなる。これを改善するための従来の技術としてアルミニウム箔に通気孔を設けて基材の透湿防水紙と貼り合わせるものがある。この場合でも基材となる透湿防水紙との接着の際に通気孔が接着剤に塞がれて通気性能を妨げたり、シートとしての強度を保とうとするためにアルミ箔が0.05mm〜1mmと厚くなり、コストの増大、加工性の悪化、重量の増加による施工性の悪化を招く。(例えば特許文献1参照)また、アスファルト系またはゴム化アスファルト系の防水シートは透湿性が悪く、室内で発生した水蒸気が外部に放出され難く、壁体内で内部結露の原因となるなどの問題がある。
本発明は、従来技術が有していた前述の欠点を解決しようとするものであり、外壁面での遮熱性の向上と透湿性の確保を目的とし、尚且つ材料コストを下げた輻射熱反射機能付き防水シートを提供することにある。 The present invention is intended to solve the above-mentioned drawbacks of the prior art, and is intended to improve heat shielding and moisture permeability on the outer wall surface, and to reduce the material cost, and to reduce the material cost. It is to provide a waterproof sheet with a cover.
本発明は防水性を有しかつ透湿性を有する透湿防水シートを基材とし、その表面にアルミニウム箔とプラスティックフィルムを張り合わせて貫通孔を設けた輻射熱反射層をドライラミネーションにより格子状、ストライプ状あるいはドット状に部分接着させ、一体化させることを特徴とする防水シートを提供することにより発明が解決しようとする課題に記した目的を達成しうることを見出してなされたものである。 The present invention has a waterproof and moisture-permeable moisture-permeable waterproof sheet as a base material, and a radiant heat reflecting layer having a through-hole formed by laminating an aluminum foil and a plastic film on the surface thereof in a lattice shape or a stripe shape by dry lamination Alternatively, the present invention has been made by finding that the object described in the problem to be solved by the present invention can be achieved by providing a waterproof sheet characterized by being partially bonded in dots and integrated.
本発明による輻射熱反射機能付き透湿防水シートは外壁に使用することにより特に効果的である。 The moisture-permeable waterproof sheet with a radiant heat reflection function according to the present invention is particularly effective when used on an outer wall.
本発明において、透湿防水シート本体としては壁の防水層として一般的に使用されている防水性能を有しかつ通気性を有するシートが挙げられる。これらのシートはポリオレフィン系・ナイロン系・ポリウレタン系の不織布などで構成される。 In the present invention, the moisture-permeable waterproof sheet main body includes a sheet having waterproof performance and breathability generally used as a waterproof layer for walls. These sheets are composed of polyolefin-based, nylon-based, polyurethane-based nonwoven fabrics, and the like.
また、反射層としては、アルミニウム箔をプラスティックフィルム
に貼り付けたのち、通気のために貫通孔を開けたものを用いる。アルミニウム箔とプラスティックフィルムを貼り合せることにより、アルミニウム箔を薄くしても孔あけ加工に必要な強度や現場での施工時に必要な強度を確保することができ、且つしなやかで現場での施工性が良い。また、アルミニウム箔を薄くできるため、製品としてのコストも押さえることができる。アルミニウム箔の厚さは0.004mm〜0.03mm、プラスティックフィルムの厚みは0.004mm〜0.04mm程度が好ましく、これより薄いとシートの強度が足りず、これより厚いと、しなやかさが失われると同時に重くなり、現場でのカットなどの加工性や貼込み時の施工性が悪く、製作コストも増大する。貫通孔は0.5〜3.5mmφ程度が好ましく、0.5mmφ未満では、水蒸気が室外に十分に排出されず結露を生じ易くなるので好ましくない。開口率としては0.5%〜20%が好ましく、20%を超えると輻射熱の反射率が低下し、断熱性が低下するので好ましくない。
As the reflective layer, an aluminum foil is attached to a plastic film and then a through hole is opened for ventilation. By laminating aluminum foil and plastic film, it is possible to secure the strength required for drilling and the strength required for construction on site, even if the aluminum foil is thin, and it is flexible and easy to perform on site. good. Moreover, since aluminum foil can be made thin, the cost as a product can also be held down. The thickness of the aluminum foil is preferably 0.004 mm to 0.03 mm, and the thickness of the plastic film is preferably about 0.004 mm to 0.04 mm. If it is thinner than this, the strength of the sheet is insufficient, and if it is thicker, the flexibility is lost. At the same time, it becomes heavier, resulting in poor workability such as on-site cutting and workability at the time of pasting, and increased production costs. The through hole is preferably about 0.5 to 3.5 mmφ, and if it is less than 0.5 mmφ, it is not preferable because water vapor is not sufficiently discharged to the outside and condensation tends to occur. The aperture ratio is preferably 0.5% to 20%, and if it exceeds 20%, the reflectance of the radiant heat is lowered and the heat insulating property is lowered.
かかるアルミニウム箔とプラスティックフィルムからなる反射層は防水シート本体の表面に接着剤を網目状等に塗布することにより一体化される。ドライラミネーションにより格子状、ストライプ状あるいはドット状に部分的に接着剤を塗布することにより反射層に開けた通気のための貫通孔を接着剤で塞ぐことなく一体化することができる。その接着剤としては、エポキシ系、ゴム系、塩化ビニール系2液反応型ウレタン製のものが耐候性に優れているので好ましい。接着剤をシート全面に均一に塗布して一体化した場合、反射層に設けた貫通孔は塞がれてしまい、通気をほとんど果たさなくなってしまうため好ましくない。また、アルミニウム箔とプラスティックフィルムからなる反射層は透湿防水シート本体の両面に設けてもよく片面のみに設けてもよい。 Such a reflective layer made of an aluminum foil and a plastic film is integrated by applying an adhesive in a mesh shape or the like to the surface of the waterproof sheet body. By applying an adhesive partially in a lattice shape, stripe shape, or dot shape by dry lamination, the through holes for ventilation opened in the reflective layer can be integrated without being blocked by the adhesive. As the adhesive, an epoxy, rubber, or vinyl chloride two-component reactive urethane is preferable because it has excellent weather resistance. When the adhesive is uniformly applied to the entire surface of the sheet and integrated, the through-hole provided in the reflective layer is blocked and the ventilation is hardly performed, which is not preferable. Moreover, the reflective layer which consists of aluminum foil and a plastic film may be provided in both surfaces of a moisture-permeable waterproof sheet main body, and may be provided only in one surface.
例えば(図2) で示すように外壁下地に本発明による輻射熱反射機能付き透湿防水シート(図2) 8を装着し、輻射熱反射機能付き透湿防水シートとサイディング等の(図2) 6の外壁材の間に通気層が形成されるように(図2) 7の通気胴縁を挟んで施工する。更にその室内側に(図2) 9のように通常の断熱材を設ける。この際、(図1) 1で示す輻射熱反射機能付シートのアルミニウム箔が外壁側に位置するようにする。 For example, as shown in (FIG. 2), a moisture permeable waterproof sheet with a radiant heat reflecting function (FIG. 2) 8 according to the present invention is attached to an outer wall base, and a moisture permeable waterproof sheet with a radiant heat reflecting function and siding (FIG. 2) Construction is carried out with the ventilation cylinder edge of 7 interposed between the outer wall materials so that a ventilation layer is formed (FIG. 2). Furthermore, a normal heat insulating material is provided on the indoor side as shown in FIG. At this time, the aluminum foil of the sheet with radiant heat reflection function 1 shown in FIG. 1 is positioned on the outer wall side.
外壁材表面が日射等の影響で温められ、室内側に向かって流入する熱は外壁直下の通気層を対流及び輻射の原理で伝わる。通気層から流入しようとする熱はアルミニウム箔の輻射熱反射作用により遮断され、遮断された熱は通気層の排熱効果によって排出される為、室内への熱の流入が効果的に低減される。また、室内で発生した湿気については、室内側より通気層まで通過し、通気層の排出効果により排出され、内部結露の防止に効果がある。また、アルミニウム箔とプラスティックフィルムを貼り合わせる構造によって、しなやかさと軽さ及び強度を確保しており、現場での施工性の向上と製作コストを押さえることも両立することができる。 The surface of the outer wall material is heated by the influence of solar radiation or the like, and the heat flowing toward the indoor side is transmitted to the ventilation layer directly under the outer wall by the principle of convection and radiation. The heat that flows from the ventilation layer is blocked by the radiant heat reflection action of the aluminum foil, and the blocked heat is discharged by the exhaust heat effect of the ventilation layer, so that the inflow of heat into the room is effectively reduced. Further, the moisture generated indoors passes from the indoor side to the ventilation layer and is discharged by the exhaust effect of the ventilation layer, which is effective in preventing internal condensation. In addition, the structure in which the aluminum foil and the plastic film are bonded to each other ensures flexibility, lightness, and strength, and it is possible to achieve both on-site workability improvement and production cost reduction.
1.アルミニウム箔
2.プラスティックシート
3.貫通孔
4.接着剤
5.透湿防水シート
6.壁材
7.通気胴縁
8.反射機能付き透湿防水シート(本シート)
9.断熱材
10.柱
11.間柱
12.室内側壁材
1. 1.
9.
Claims (1)
A radiant heat-reflective layer with a waterproof and moisture-permeable moisture-permeable waterproof sheet as a base material, with aluminum foil and plastic film laminated on its surface and through-holes provided in a lattice, stripe, or dot shape by dry lamination A waterproof sheet characterized in that it is partially bonded to and integrated.
Priority Applications (1)
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JP2003295392A JP2005059506A (en) | 2003-08-19 | 2003-08-19 | Moisture permeable waterproof sheet with radiant heat reflecting function |
Applications Claiming Priority (1)
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JP2003295392A JP2005059506A (en) | 2003-08-19 | 2003-08-19 | Moisture permeable waterproof sheet with radiant heat reflecting function |
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JP2005059506A true JP2005059506A (en) | 2005-03-10 |
Family
ID=34371662
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JP2003295392A Pending JP2005059506A (en) | 2003-08-19 | 2003-08-19 | Moisture permeable waterproof sheet with radiant heat reflecting function |
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Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009073458A (en) * | 2007-09-21 | 2009-04-09 | E I Du Pont De Nemours & Co | Vehicle body assembly of automobile |
US20110159236A1 (en) * | 2008-08-12 | 2011-06-30 | Fukuvi Chemical Industry Co., Ltd. | A building material composite sheet |
CN102168474A (en) * | 2010-12-30 | 2011-08-31 | 上海朝睿贸易商行 | Composite aluminum film elastic flashing and preparation method thereof |
JP2011219918A (en) * | 2010-04-02 | 2011-11-04 | Daiwabo Holdings Co Ltd | Sheet material for building material |
US20120094067A1 (en) * | 2009-02-13 | 2012-04-19 | Kazuhiro Nakae | Moisture-permeable water-proof sheet for buiilding materials |
JP2013092023A (en) * | 2011-10-27 | 2013-05-16 | Kmew Co Ltd | Wall structure |
JP2014001525A (en) * | 2012-06-15 | 2014-01-09 | Daiwa House Industry Co Ltd | Heat insulation panel, and exterior wall structure provided with the same |
KR20160123665A (en) * | 2015-04-16 | 2016-10-26 | (주)젠타스코리아 | Fixing apparatus of out wall Panels for bullding |
KR101702125B1 (en) * | 2016-08-29 | 2017-02-02 | 유피씨(주) | Heat reflect, water-proof and moisture-permeable sheet dose not use fixing member and method of manufacturing the same, method of construction |
JP2018144491A (en) * | 2017-03-06 | 2018-09-20 | 東洋アルミニウム株式会社 | Moisture permeable waterproof sheet |
JP2018144345A (en) * | 2017-03-06 | 2018-09-20 | 東洋アルミニウム株式会社 | Moisture permeable waterproof sheet |
-
2003
- 2003-08-19 JP JP2003295392A patent/JP2005059506A/en active Pending
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009073458A (en) * | 2007-09-21 | 2009-04-09 | E I Du Pont De Nemours & Co | Vehicle body assembly of automobile |
US20110159236A1 (en) * | 2008-08-12 | 2011-06-30 | Fukuvi Chemical Industry Co., Ltd. | A building material composite sheet |
US20120094067A1 (en) * | 2009-02-13 | 2012-04-19 | Kazuhiro Nakae | Moisture-permeable water-proof sheet for buiilding materials |
JP2011219918A (en) * | 2010-04-02 | 2011-11-04 | Daiwabo Holdings Co Ltd | Sheet material for building material |
CN102168474A (en) * | 2010-12-30 | 2011-08-31 | 上海朝睿贸易商行 | Composite aluminum film elastic flashing and preparation method thereof |
JP2013092023A (en) * | 2011-10-27 | 2013-05-16 | Kmew Co Ltd | Wall structure |
JP2014001525A (en) * | 2012-06-15 | 2014-01-09 | Daiwa House Industry Co Ltd | Heat insulation panel, and exterior wall structure provided with the same |
KR20160123665A (en) * | 2015-04-16 | 2016-10-26 | (주)젠타스코리아 | Fixing apparatus of out wall Panels for bullding |
KR101702063B1 (en) * | 2015-04-16 | 2017-02-02 | (주)젠타스코리아 | Fixing apparatus of out wall Panels for bullding |
KR101702125B1 (en) * | 2016-08-29 | 2017-02-02 | 유피씨(주) | Heat reflect, water-proof and moisture-permeable sheet dose not use fixing member and method of manufacturing the same, method of construction |
WO2018044049A1 (en) * | 2016-08-29 | 2018-03-08 | 유피씨(주) | Heat-reflective moisture-permeable waterproof sheet not using fixing member, manufacturing method therefor and construction method therefor |
JP2018144491A (en) * | 2017-03-06 | 2018-09-20 | 東洋アルミニウム株式会社 | Moisture permeable waterproof sheet |
JP2018144345A (en) * | 2017-03-06 | 2018-09-20 | 東洋アルミニウム株式会社 | Moisture permeable waterproof sheet |
JP7079442B2 (en) | 2017-03-06 | 2022-06-02 | 東洋アルミニウム株式会社 | Breathable waterproof sheet |
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