JP5024810B2 - Thermal insulation method for buildings - Google Patents
Thermal insulation method for buildings Download PDFInfo
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- JP5024810B2 JP5024810B2 JP2005253007A JP2005253007A JP5024810B2 JP 5024810 B2 JP5024810 B2 JP 5024810B2 JP 2005253007 A JP2005253007 A JP 2005253007A JP 2005253007 A JP2005253007 A JP 2005253007A JP 5024810 B2 JP5024810 B2 JP 5024810B2
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Description
本発明は家庭向き木造建造物、鉄筋コンクリート建造物等、各種建造物の断熱工法に係り、詳細には、建造物の床下ないしは天井裏に発泡性プラスチック粉砕物、特に産業廃材を利用して、特殊な手段で断熱材を形成し、建造物の断熱性能、難燃性能あるいは吸音性能を向上するとともに、公害防止に役立つ建造物の断熱工法に関する。 The present invention relates to a thermal insulation method for various buildings such as wooden buildings for homes and reinforced concrete buildings, and more specifically, by using foamed plastic pulverized material under the floor or ceiling of the building, especially industrial waste materials. The present invention relates to a heat insulating method for a building that is useful for preventing pollution while forming a heat insulating material by various means to improve the heat insulating performance, flame retardancy or sound absorption performance of the building.
家庭向き木造建造物、鉄筋コンクリート建造物等、各種建造物の断熱工法として、従来、板状の難燃性発泡ウレタン材、あるいは板状のロックウール材やガラスウール材を所望の大きさの小板に切断し、これを建造物の壁面、あるいは床下や天井裏のすき間等に張りつける工法が採用されていた。 Conventionally, plate-shaped flame-retardant foamed urethane materials, or plate-shaped rock wool materials and glass wool materials are used as heat insulation methods for various buildings such as wooden buildings for homes and reinforced concrete buildings. A method of cutting into a wall and sticking it to a wall surface of a building or a gap under the floor or ceiling is employed.
しかし、この断熱工法では、多数の切断された小板断熱材を壁面やすき間に継ぎ合わせながら張りつけるため、継ぎ目に目地が生じ、この目地から結露や断熱ロスが発生してしまう。 However, in this heat insulation construction method, a large number of cut plate heat insulating materials are bonded together while being joined to the wall surface or gap, so that joints are formed at the joints, and condensation or heat insulation loss occurs from the joints.
しかも、この従来工法では、床下や天井裏のすき間に吊木、配線等の障害物がある場合、小板断熱材の張り合わせが困難になる。
そこで、本発明の課題は家庭向き木造建造物、鉄筋コンクリート建造物等、各種建造物の床下ないしは天井裏に発泡性プラスチック粉砕物、特に産業廃材を利用し、かつ、特殊な手段で断熱材を容易、かつ、確実に形成して、建造物の断熱性能、難燃性能あるいは吸音性能を向上し、かつ、公害防止にも役立ち、上述の公知技術に存する欠点を改良した建造物の断熱工法を提供することにある。 Therefore, the object of the present invention is to use foamed plastic pulverized material, especially industrial waste, under the floor or ceiling of various buildings such as wooden structures for homes, reinforced concrete structures, etc., and easily insulate by special means. Providing a heat insulation method for buildings that is formed reliably and improves the heat insulation performance, flame retardant performance or sound absorption performance of the building, helps prevent pollution, and improves the above-mentioned drawbacks of the known technology There is to do.
上述の課題を解決するため、本発明によれば、建造物の床下ないしは天井裏に発泡性ポリスチロールの粉砕物、または発泡性ポリスチロール粉砕物と発泡性ポリウレタン粉砕物の混合物を吹き込むことにより、床下ないしは天井裏のすき間に断熱材を形成し、建造物の断熱性能、難燃性能、および吸音性能を向上することを特徴とする。 In order to solve the above-described problems, according to the present invention, by blowing a foamed polystyrene pulverized product or a mixture of a foamed polystyrene pulverized product and a foamed polyurethane pulverized product under a floor or a ceiling of a building, It is characterized in that a heat insulating material is formed under the floor or in the gap between the ceilings and the heat insulating performance, flame retardant performance, and sound absorbing performance of the building are improved.
上述の本発明は建造物の床下ないしは天井裏に発泡性ポリスチロール粉砕物、または発泡性ポリスチロール粉砕物と発泡性ポリウレタン粉砕物の混合物を吹き込むことにより、床下ないしは天井裏のすき間に断熱材を形成するようにしたから、建造物の断熱性能、難燃性能、あるいは吸音性能を向上する。さらに、本発明は断熱材として産業廃材を利用した場合、公害防止に役立つ。また、断熱材が粉砕物を吹き込んで形成されるから、断熱材の形成工程が容易であり、かつ、床下ないしは天井裏のすき間に障害物があっても断熱材が確実に形成される。 In the present invention described above, the insulating material is provided between the floor or the ceiling by blowing a foamed polystyrene pulverized product or a mixture of the foamed polystyrene pulverized product and the foamed polyurethane pulverized product under the floor or the ceiling of the building. Since it forms, the heat insulation performance of a building, a flame retardance performance, or a sound absorption performance is improved. Furthermore, the present invention is useful for preventing pollution when industrial waste is used as a heat insulating material. Further, since the heat insulating material is formed by blowing the pulverized material, the heat insulating material forming process is easy, and the heat insulating material is reliably formed even if there is an obstacle under the floor or the gap in the ceiling.
以下、本発明を添付図面を用いて詳述する。 Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.
図１は家庭向き木造住宅の天井裏に粉砕物を吹き込んで断熱材を形成した状態の断面図である。図２は図１のＡ−Ａ線断面図である。 FIG. 1 is a cross-sectional view of a state where a heat insulating material is formed by blowing crushed material into the ceiling of a wooden house for home use. 2 is a cross-sectional view taken along line AA in FIG.
本発明では、図１および図２に示されるように、建造物１の天板２上に形成される天井裏３のすき間４に粉砕物５を吹き込んで断熱材６を形成する。 In the present invention, as shown in FIGS. 1 and 2, the pulverized product 5 is blown into the gaps 4 in the ceiling 3 formed on the top plate 2 of the building 1 to form the heat insulating material 6.
粉砕物５は発泡性ポリスチロールを回転クラッシャーにより１０〜３０ｍｍの大きさに粉砕して形成される。さらに、粉砕物５は発泡性ポリスチロールおよび発泡性ポリウレタンを同様にして粉砕し、好ましくは重量比で１：１の比率で混合して形成される。これら粉砕物は建築発泡ポリウレタンや発泡ポリスチロールの吹き付け廃材を粉砕したものであってもよい。 The pulverized product 5 is formed by pulverizing foamable polystyrene to a size of 10 to 30 mm using a rotary crusher. Further, the pulverized product 5 is formed by pulverizing foamable polystyrene and foamable polyurethane in the same manner, and preferably mixing at a weight ratio of 1: 1. These pulverized products may be those obtained by pulverizing architectural foaming polyurethane or foamed polystyrene blowing waste.
このようにして得られた本発明にかかる粉砕物５は、ブローイング機械を用いて、図１の天板２上の天井裏３のすき間４に吹き込まれ、断熱材６を形成する。断熱材６は２００〜３００ｍｍの高さに吹き込まれることが好ましい。 The pulverized product 5 according to the present invention thus obtained is blown into the gap 4 in the ceiling 3 on the top plate 2 of FIG. 1 using a blowing machine to form a heat insulating material 6. The heat insulating material 6 is preferably blown to a height of 200 to 300 mm.
粉砕物５は１０ｍｍの大きさを３０重量％、２０ｍｍの大きさを４０重量％および３０ｍｍの大きさを３０重量％量混ぜることにより粒のおさまりが良くなるので好ましい。また、粉砕物５は１〜１０重量％量の炭粉または活性炭粉を含有せしめ、脱臭することもできる。 The pulverized product 5 is preferable because the grain size is improved by mixing the 10 mm size by 30 wt%, the 20 mm size by 40 wt% and the 30 mm size by 30 wt%. Further, the pulverized product 5 can be deodorized by containing 1 to 10% by weight of carbon powder or activated carbon powder.
上述のようにしてなる本発明は発泡性ポリスチロールの粉砕物、または発泡性ポリスチロールと発泡性ポリウレタンの混合粉砕物をブローイング機械で床下ないしは天井裏のすき間に吹き込むことにより断熱材６を形成するため、断熱材６に継ぎ目がなく、したがって、結露を生じず、かつ、断熱ロスも少ない。しかも、本発明は吊木、配線等の障害物が床下や天井裏にあっても、吹き込みによって容易に、かつ、確実に断熱材を形成する。さらに、断熱材の材料として廃材を利用することもできるので公害防止に役立つ。このようにして、本発明は建造物の断熱性能、難燃性能、吸音性能を向上する。 In the present invention as described above, the heat insulating material 6 is formed by blowing a pulverized product of foamable polystyrene or a mixed pulverized product of foamable polystyrene and foamable polyurethane with a blowing machine under a floor or a gap in the ceiling. Therefore, there is no seam in the heat insulating material 6, and therefore, no condensation occurs and there is little heat loss. In addition, the present invention forms the heat insulating material easily and reliably by blowing even when an obstacle such as a suspended tree or wiring is under the floor or behind the ceiling. Furthermore, since waste materials can be used as a heat insulating material, it helps to prevent pollution. In this way, the present invention improves the heat insulation performance, flame retardance performance, and sound absorption performance of the building.
建築用発泡スチロール断熱材の吹き付け現場で集積された発泡性ポリスチロール廃材を回転クラッシャーにより１０〜３０ｍｍの大きさに粉砕した。この粉砕物の大きさの割合は１０ｍｍが３０重量％、２０ｍｍが４０重量％、３０ｍｍが３０重量％である。 The foamed polystyrene waste material accumulated at the site of spraying the polystyrene foam heat insulating material for construction was pulverized to a size of 10 to 30 mm by a rotary crusher. The size ratio of the pulverized product is 30% by weight for 10 mm, 40% by weight for 20 mm, and 30% by weight for 30 mm.
得られた粉砕物を図１に示される建造物１の天井裏３のすき間４に、ブローイング機械を用いて３００ｍｍの高さに吹き込み、断熱材６を形成した。断熱材６は継ぎ目がなく、かつ、すき間６に吊木、配線等の障害物が存在しても容易に、かつ、確実に形成された。しかも、材料としての廃材は、本来では廃棄しなければならないにもかかわらず、有効に利用でき、公害防止に役立った。 The obtained pulverized material was blown into a gap 4 in the ceiling 3 of the building 1 shown in FIG. 1 to a height of 300 mm using a blowing machine to form a heat insulating material 6. The heat insulating material 6 was seamless and formed easily and reliably even when obstacles such as hanging trees and wiring existed in the gap 6. In addition, the waste material as a material can be used effectively even though it must be discarded, and it has been useful for preventing pollution.
建築用発泡スチロール断熱材の吹き付け現場で集積された発泡性ポリスチロール廃材、および同様にして集積された難燃性ポリウレタン廃材の１：１（重量）混合物を回転クラッシャーにより１０〜３０ｍｍの大きさに粉砕した。この粉砕物の大きさの割合は１０ｍｍが３０重量％、２０ｍｍが４０重量％、３０ｍｍが３０重量％である。 Crushing a 1: 1 (weight) mixture of foamed polystyrene waste material collected at the site of blowing foamed polystyrene insulation material and fire-retardant polyurethane material accumulated in the same manner to a size of 10 to 30 mm with a rotary crusher. did. The size ratio of the pulverized product is 30% by weight for 10 mm, 40% by weight for 20 mm, and 30% by weight for 30 mm.
得られた粉砕物を上述と同様、図１に示される建造物１の天井裏３のすき間４に、ブローイング機械を用いて３００ｍｍの高さに吹き込み、断熱材６を形成した。断熱材６は継ぎ目がなく、かつ、すき間６に吊木、配線等の障害物が存在しても容易に、かつ、確実に形成された。しかも、材料としての廃材は、本来では廃棄しなければならないにもかかわらず、有効に利用でき、公害防止に役立った。 The obtained pulverized material was blown into a gap 4 in the ceiling 3 of the building 1 shown in FIG. 1 to a height of 300 mm using a blowing machine to form a heat insulating material 6 as described above. The heat insulating material 6 was seamless and formed easily and reliably even when obstacles such as hanging trees and wiring existed in the gap 6. In addition, the waste material as a material can be used effectively even though it must be discarded, and it has been useful for preventing pollution.
実施例１で得られた断熱材６の一部を試験片として採取し、断熱性試験および吸音性試験を行った。 A part of the heat insulating material 6 obtained in Example 1 was sampled as a test piece and subjected to a heat insulation test and a sound absorption test.
断熱性試験は試験片を下部の加熱板と上部の冷却板で挟み、試験片の上下表面温度を熱電対で測定し、熱伝導率を計算式 λ＝〔Ｑｈ＋Ｑｃ／２〕×〔Ｌ／（Ｔｈ−Ｔｃ）・Ｓ〕で計算して求めた。式中、λは熱伝導率〔Ｗ／ｍｋ〕、Ｑｈは加熱側通過熱流〔Ｗ／ｍ２〕、Ｑｃは冷却側通過熱流〔Ｗ／ｍ２〕、Ｌは試験片厚さ〔ｍ〕、Ｔｈは加熱側表面温度〔℃〕、Ｔｃは冷却側表面温度〔℃〕、Ｓは主熱板面積＋主熱板と保護熱板間隙面積の１／２〔ｍ２〕である。熱伝導率は０．０３０ｋｃａｌ／ｍ・ｈ・℃であって、ガラスウールの熱伝導率０．０４５ｋｃａｌ／ｍ・ｈ・℃と比較して優れている。 In the heat insulation test, the test piece is sandwiched between the lower heating plate and the upper cooling plate, the upper and lower surface temperatures of the test piece are measured with a thermocouple, and the thermal conductivity is calculated by the formula λ = [Q h + Q c / 2] × [ L / (T h −T c ) · S]. Where λ is the thermal conductivity [W / mk], Q h is the heating side passing heat flow [W / m 2 ], Q c is the cooling side passing heat flow [W / m 2 ], and L is the specimen thickness [m ], T h is the heating surface temperature [℃], the T c is the cooling surface temperature [℃], S 1/2 the protective thermal plate gap area between the main heat plate area + main hot plate [m 2] . The thermal conductivity is 0.030 kcal / m · h · ° C., which is superior to the thermal conductivity of glass wool 0.045 kcal / m · h · ° C.
吸音性試験は各周波数１００〜２，０００〔Ｈｚ〕について、空気層０ｍｍ、５０ｍｍの吸音率をＪＩＳＡ１４０５に準じて測定した。吸音率は空気層０ｍｍ、５０ｍｍともに約２０〜８０％であり、ブランクの吸音率０〜２０％と比べて著しく優れていた。 Sound absorption tests for each frequency 100 to 2,000 [H z] was measured according air layer 0 mm, the sound absorption coefficient of 50mm in JISA1405. The sound absorption coefficient was about 20 to 80% for both the air layer 0 mm and 50 mm, which was remarkably superior to the blank sound absorption coefficient 0 to 20%.
以上のとおり、本発明は建造物の床下ないしは天井裏に発泡性ポリスチロールの粉砕物、または発泡性ポリスチロールと発泡性ポリウレタンの混合粉砕物を吹き込むことによって床下ないしは天井裏のすき間に断熱材を形成するようにしたから、次の利点を有している。 As described above, the present invention provides a heat insulating material between the floor and the ceiling by blowing a foamed polystyrene pulverized product or a mixture of foamed polystyrene and foamed polyurethane under the floor or ceiling of the building. Since it is formed, it has the following advantages.
１．粉砕物を吹き込むため、断熱材に継目が生じない。このため、結露が発生せず、断熱ロスも少ない。 1. Since the pulverized material is blown, there is no seam in the insulation. For this reason, condensation does not occur and there is little heat insulation loss.
２．従来のように、断熱材小片を多数張り合わせるのではなく、粉砕物を吹き込むため、すき間に吊木や配線等の障害物があっても、容易に、かつ、確実に断熱材を形成できる。 2. As in the past, since many pieces of heat insulating material are not pasted together, but the pulverized material is blown in, the heat insulating material can be easily and reliably formed even if there are obstacles such as hanging trees and wiring.
３．断熱材料として発泡性ポリスチロールや難熱性ポリウレタンの産業廃材を用いるので、公害の防止に役立つ。 3. Since industrial waste materials such as foamed polystyrene and heat-resistant polyurethane are used as the heat insulating material, it helps to prevent pollution.
４．したがって、建造物の断熱性能、難熱性能、および吸音性能を容易に、かつ、確実に向上せしめる。 4). Therefore, the heat insulation performance, heat resistance performance, and sound absorption performance of the building can be easily and reliably improved.
１ 建造物
２ 天板
３ 天井裏
４ すき間
５ 粉砕物
６ 断熱材
DESCRIPTION OF SYMBOLS 1 Building 2 Top plate 3 Ceiling back 4 Clearance 5 Ground material 6 Heat insulating material
Claims (3)
By blowing a mixture of a foamed polystyrene pulverized product and a foamed polyurethane pulverized product in a weight ratio of 1: 1 under the floor or ceiling of the building to a height of 200 to 300 mm, the floor or ceiling Forming a heat insulating material in the gap, wherein the mixture comprises a 10 mm size, 30 weight percent, a 20 mm size, 40 weight percent and a 30 mm size, 30 weight percent; A heat insulating construction method for buildings, which improves flame retardancy and sound absorption performance.
The building thermal insulation method according to claim 1, wherein the mixture is blown by a blowing machine to form a heat insulating material .
The building thermal insulation method according to claim 1, wherein the mixture contains 1 to 10 percent by weight of carbon powder or activated carbon powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005253007A JP5024810B2 (en) | 2005-09-01 | 2005-09-01 | Thermal insulation method for buildings |
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| Application Number | Priority Date | Filing Date | Title |
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| JP2005253007A JP5024810B2 (en) | 2005-09-01 | 2005-09-01 | Thermal insulation method for buildings |
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| Publication Number | Publication Date |
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| JP2007063883A JP2007063883A (en) | 2007-03-15 |
| JP5024810B2 true JP5024810B2 (en) | 2012-09-12 |
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| JP2005253007A Expired - Fee Related JP5024810B2 (en) | 2005-09-01 | 2005-09-01 | Thermal insulation method for buildings |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016089537A (en) * | 2014-11-07 | 2016-05-23 | 株式会社日本アクア | Heat insulation structure for building, and heat insulation material for blowing |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6504966B2 (en) * | 2015-08-07 | 2019-04-24 | フクビ化学工業株式会社 | Ceiling structure |
| JP6504965B2 (en) * | 2015-08-07 | 2019-04-24 | フクビ化学工業株式会社 | Damping body |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5733648A (en) * | 1980-07-31 | 1982-02-23 | Inoue Mtp Kk | Packing of heat insulator at construction site |
| JPS62206139A (en) * | 1986-03-06 | 1987-09-10 | 鎌田 紀彦 | Construction method for stopping air stream in wall of wooden house by conventional construction method |
| JPH03100563U (en) * | 1990-02-02 | 1991-10-21 | ||
| JPH04266942A (en) * | 1991-02-21 | 1992-09-22 | Hattori Yoshihei | Porous material and sound-absorbing panel |
| JP2736841B2 (en) * | 1992-06-08 | 1998-04-02 | 株式会社山清清水 | Insulation method and structure for concrete buildings |
| JPH08120656A (en) * | 1994-10-20 | 1996-05-14 | Shirai Shoji Kk | Drainage material for construction work |
| JPH0949272A (en) * | 1995-08-07 | 1997-02-18 | Asubitsuku Kk | Heat-insulation method for ceiling in house |
| JP2002242325A (en) * | 2001-02-21 | 2002-08-28 | Sumitomo Forestry Co Ltd | Heat-insulating structure of roof frame |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2016089537A (en) * | 2014-11-07 | 2016-05-23 | 株式会社日本アクア | Heat insulation structure for building, and heat insulation material for blowing |
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| JP2007063883A (en) | 2007-03-15 |
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