JP5184254B2 - Roof panel - Google Patents
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- JP5184254B2 JP5184254B2 JP2008204915A JP2008204915A JP5184254B2 JP 5184254 B2 JP5184254 B2 JP 5184254B2 JP 2008204915 A JP2008204915 A JP 2008204915A JP 2008204915 A JP2008204915 A JP 2008204915A JP 5184254 B2 JP5184254 B2 JP 5184254B2
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Description
本発明は、建物の屋根の断熱気密屋根パネルに関するものである。 The present invention relates to an insulated hermetic roof panel for a building roof.
昨今、断熱性と気密性を備えたいわゆる次世代省エネルギー住宅（以下、「断熱気密住宅」という）の市場供給ニーズが高まっている。建物の屋根部の断熱処理や気密処理も顕在化している。 In recent years, there has been an increasing demand for market supply of so-called next-generation energy-saving houses (hereinafter referred to as “heat-insulated and air-tight houses”) having heat insulation and air tightness. Insulation treatment and airtight treatment of the roof of the building are also evident.
最近は工業化住宅のみならず一般在来木造住宅の分野でも建物の屋根部に屋根パネルを使用することが主流となっているところ、屋根パネル自身を断熱層や気密層とすることが望ましく、このような新規な屋根パネルが求められている。 Recently, the use of roof panels in the roof of buildings has become the mainstream in the field of general wooden houses as well as industrialized houses. It is desirable that the roof panels themselves be heat insulating layers and airtight layers. There is a need for such new roof panels.
例えば、特開２００７−２６２８５０号公報（特許文献１）には、枠体に断熱材（押出成型硬質プラスチックフォーム）を充填し、屋根パネルの枠体の上部外側にさらに断熱パネルを積層する断熱屋根パネルが開示されている。これによれば、枠体の規格寸法を変更せずに複数の断熱材や断熱パネルを積層して断熱性能を高めた簡便な断熱屋根パネルを構成することできる。 For example, in Japanese Patent Application Laid-Open No. 2007-262850 (Patent Document 1), a heat insulating roof in which a frame body is filled with a heat insulating material (extrusion-molded hard plastic foam) and a heat insulating panel is further laminated on the upper outer side of the frame of the roof panel. A panel is disclosed. According to this, the simple heat insulation roof panel which improved the heat insulation performance can be comprised by laminating | stacking a some heat insulating material and a heat insulation panel, without changing the standard dimension of a frame.
また、特開平６−３４１２００号公報（特許文献２）には、屋根パネルに予め貼付した防水ルーフィングの一辺を屋根パネルの一辺よりも長くして該防水ルーフィング紙の延長部を折り返した状態で用意し、施工時に隣接する屋根パネルの防水ルーフィング同士を重ね合わせて継目部を覆って建物内への漏水を防止する技術が開示されている。 Japanese Patent Laid-Open No. 6-341200 (Patent Document 2) prepares a waterproof roofing paper extended in a state where one side of the waterproof roofing pasted on the roof panel is longer than one side of the roof panel. And the technique of overlapping the waterproof roofings of the adjacent roof panel at the time of construction and covering the joint portion to prevent water leakage into the building is disclosed.
しかしながら、前述の従来例では、積層した断熱材の端部は、露出しているために輸送中や施工中において痛みやすく、また施工中に雨により断熱材が濡れて、断熱材の性能が劣化するばかりでなく、屋根工事後に気密処理すると屋根パネル内部に水分が隠蔽されてしまい、鋼製枠体を腐食させてしまうという問題があった。 However, in the above-mentioned conventional example, the end of the laminated heat insulating material is exposed, so that it is easy to hurt during transportation and construction, and the heat insulating material gets wet by rain during the construction, and the performance of the heat insulating material deteriorates. In addition, when the airtight treatment is performed after the roof construction, there is a problem that moisture is concealed inside the roof panel and the steel frame is corroded.
本発明は前記課題を解決するものであり、その目的とするところは、通常規格寸法の断熱材を複数枚積層することにより断熱性能を向上させ、施工中に生じる断熱材の傷や断熱材の雨水等の吸水を防止して保護できる断熱気密構造用の屋根パネルを提供すること、さらに断熱気密構造を満たしたうえで、屋根パネルの取り付け作業の簡単化を考慮した屋根パネルを提供せんとするものである。 The present invention solves the above-mentioned problems, and its object is to improve the heat insulation performance by laminating a plurality of heat insulation materials having normal dimensions, and to prevent the damage of heat insulation materials and heat insulation materials produced during construction. Providing a roof panel for a heat-insulating and air-tight structure that can prevent and protect rainwater and other water absorption, and provide a roof panel that satisfies the heat-insulating and air-tight structure and that simplifies roof panel installation work. Is.
前記目的を達成するための本発明に係る屋根パネルの第１の構成は、外断熱及び気密構造の建物用の屋根パネルであって、枠体を構成する井桁部材間に充填断熱パネルが充填され、該井桁部材と充填断熱パネルとの目地部を気密テープで密封した基本パネルと、前記基本パネルの見付面の大きさに合わせて、前記枠体上に固定した積層断熱パネルと、該積層断熱パネル上に固定した野地板と、該野地板上に敷設した防水ルーフィングと、が順次積層されて固定されており、前記防水ルーフィングの各辺に前記積層断熱パネルの小口面を被覆するための、前記基本パネルの見付面に対してはみ出た余長部からなる折曲片を設けて、該防水ルーフィングが前記野地板上に貼付され、かつ、前記枠体の側面のうち、少なくとも隣接する該枠体の二辺の側面に弾性気密材が貼着されていることを特徴とする。 A first configuration of a roof panel according to the present invention for achieving the above object is a roof panel for a building having an outer heat insulation and an airtight structure, in which a filling heat insulation panel is filled between the well members constituting the frame. A base panel in which joints of the cross-girder member and the filled heat insulation panel are sealed with an airtight tape, a laminated heat insulation panel fixed on the frame body in accordance with the size of the finding surface of the base panel, and the laminate A base plate fixed on the heat insulating panel and a waterproof roofing laid on the base plate are sequentially laminated and fixed, and each side of the waterproof roofing covers the small edge surface of the laminated heat insulating panel. A bent piece having an extra length protruding from the surface of the basic panel is provided, the waterproof roofing is affixed on the base plate, and at least adjacent to the side surface of the frame body Two sides of the frame And an elastic airtight material is adhered to the side surface.
ここで、前記枠体の平面視形状は、限定されないが、通常の屋根パネルに用いられる形状である矩形または三角形などで構成される。 Here, the planar view shape of the frame body is not limited, but is configured by a rectangle or a triangle which is a shape used for a normal roof panel.
また、本発明に係る屋根パネルの第２の構成は、前記第１の構成において、前記防水ルーフィングには、前記第１の構成の屋根パネル間の継目に跨る折り返し部からなる延長片がさらに設けられていることを特徴とする。 In the second configuration of the roof panel according to the present invention, in the first configuration, the waterproof roofing is further provided with an extension piece including a folded portion straddling a joint between the roof panels of the first configuration. It is characterized by being.
また、本発明に係る屋根パネルの第３の構成は、前記第１、第２の構成において、前記枠体には、前記井桁部材と前記充填断熱パネルとの間に空洞部を設けて該空洞部内側に躯体締結用ナットが固定されていることを特徴とする。 Moreover, the 3rd structure of the roof panel which concerns on this invention is a said 1st, 2nd structure WHEREIN: The said frame is provided with a cavity part between the said cross beam member and the said filling heat insulation panel, and this cavity A nut for fastening the casing is fixed to the inside of the part.
本発明に係る屋根パネルの第１の構成によれば、スチールフレーム等からなる枠体の厚みを利用して充填断熱パネルにより断熱層を確保し、基本パネルが気密層となり、断面視で基本パネルの表面にて気密の境界線を形成することができる。即ち、基本パネルよりも外部側に漏気が生じない建物の屋根を構成することができる。また、積層断熱材からなる積層断熱パネルにより断熱効果を高めることができる。 According to the 1st structure of the roof panel which concerns on this invention, a heat insulation layer is ensured with a filling heat insulation panel using the thickness of the frame which consists of a steel frame etc., a basic panel becomes an airtight layer, and a basic panel in a cross sectional view An airtight boundary line can be formed on the surface of the substrate. That is, it is possible to configure a building roof in which no air leakage occurs outside the basic panel. Moreover, the heat insulation effect can be heightened with the laminated heat insulation panel which consists of laminated heat insulating materials.
また、防水ルーフィングの各辺に積層断熱パネルの小口面を被覆するための、基本パネルの見付面に対してはみ出た余長部からなる折曲片を設けたことで、該積層断熱パネルの小口は、防水ルーフィングの折曲片（余長部）で包まれているので、現場搬入時や施工時に外部に露出している積層断熱パネルの小口面から吸水してしまうことを防止し、積層断熱パネルの側面の施工時の仮防水を施すことができる。 Further, by providing a bent piece consisting of a surplus portion protruding from the surface of the basic panel for covering each side of the waterproof roofing with the small edge surface of the laminated heat insulating panel, The small edge is wrapped with a waterproof roofing folded piece (extra length part), preventing water from being absorbed from the small edge surface of the laminated insulation panel exposed to the outside at the time of on-site delivery or construction. Temporary waterproofing at the time of construction of the side surface of the heat insulation panel can be performed.
また、枠体の側面のうち、少なくとも隣接する該枠体の二辺の側面に弾性気密材を貼着したことで、複数の屋根パネルで形成した勾配屋根部に気密層を形成することができる。屋根パネル同士の端面を突きつけて屋根を構成するので、屋根パネルによって連続する気密層を構成することができる。 In addition, an airtight layer can be formed on the sloped roof portion formed by a plurality of roof panels by attaching an elastic airtight material to at least two side surfaces of the adjacent frame body among the side surfaces of the frame body. . Since the roof is formed by abutting the end surfaces of the roof panels, a continuous airtight layer can be formed by the roof panels.
また、断熱材からなる充填断熱パネルを、枠体を構成する井桁部材間に充填するとともに外側に積層断熱パネルを追加する簡便な構造であるため、通常規格の断熱材を使用して断熱性能を向上させた断熱気密構造用屋根パネルが制作可能である。 In addition, since it is a simple structure that fills the heat insulating panel made of heat insulating material between the cross-beam members constituting the frame and adds a laminated heat insulating panel on the outside, the heat insulating performance is usually achieved using a standard heat insulating material. Improved insulation and airtight roof panels can be produced.
また、本発明に係る屋根パネルの第２の構成によれば、防水ルーフィングに屋根パネル間の継目に跨る折り返し部からなる延長片を設けたことで、複数の屋根パネルを設置して構成した屋根面の防水性を確保することが出来る。 Moreover, according to the 2nd structure of the roof panel which concerns on this invention, the roof which installed and comprised the several roof panel by providing the extension piece which consists of a folding | turning part straddling the seam between roof panels in waterproofing roofing. The waterproofness of the surface can be secured.
また、本発明に係る屋根パネルの第３の構成によれば、枠体の端部に井桁部材と充填断熱パネルとの間に空洞部を設けて該空洞部内側に躯体締結用ナットを固定したことで、基本パネルと、該基本パネル上に設けられる積層断熱パネルとの境界面からなる断熱気密ラインの内側に躯体梁と屋根パネルとの締結部となる躯体締結用ナットが設けられ、屋根パネルの躯体内側（屋内）からの設置作業を可能として、施工の簡易化を図ることが出来る。 Moreover, according to the 3rd structure of the roof panel which concerns on this invention, the hollow part was provided between the cross-beam member and the filling heat insulation panel in the edge part of the frame, and the nut for fastening a frame was fixed inside this hollow part. Thus, a frame fastening nut that is a fastening portion between the frame beam and the roof panel is provided inside the heat insulating and airtight line formed by the boundary surface between the basic panel and the laminated heat insulating panel provided on the basic panel. The installation work can be performed from the inside (indoor) of the housing, and the construction can be simplified.
図により本発明に係る屋根パネルの一実施形態を具体的に説明する。図１は本発明に係る屋根パネルの構成を示す分解斜視図、図２（ａ）は本発明に係る屋根パネルの構成を示す平面図、図２（ｂ）は図２（ａ）のＡ−Ａ断面図、図２（ｃ）は図２（ｂ）のＢ−Ｂ断面図、図３（ａ）は屋根パネル間の継目に跨る折り返し部からなる延長片により屋根勾配面の上下方向に隣設配置される屋根パネル間の継目を防水する様子を示す模式断面図、図３（ｂ）は屋根勾配面の左右方向に隣設配置される屋根パネル間の継目を防水する様子を示す模式断面図、図４（ａ），（ｂ）は躯体締結用ナットの構成を示す平面図及び側面図、図５（ａ），（ｂ）は枠体の端部で井桁部材と充填断熱パネルとの間に設けた空洞部内側に躯体締結用ナットを固定した様子を示す正面説明図及び断面説明図、図５（ｃ）は枠体に固定した躯体締結用ナットを用いて躯体梁のフランジに本発明に係る屋根パネルを固定する様子を示す断面説明図、図６は本発明に係る屋根パネルを切妻屋根躯体の勾配面に設置する様子を示す図である。 An embodiment of a roof panel according to the present invention will be specifically described with reference to the drawings. 1 is an exploded perspective view showing the configuration of the roof panel according to the present invention, FIG. 2A is a plan view showing the configuration of the roof panel according to the present invention, and FIG. A cross-sectional view, FIG. 2 (c) is a cross-sectional view taken along the line BB of FIG. 2 (b), and FIG. FIG. 3B is a schematic cross-sectional view showing a state of waterproofing a joint between roof panels arranged adjacent to each other in the left-right direction of the roof slope surface. FIGS. 4A and 4B are a plan view and a side view showing the structure of the nut for fastening the casing, and FIGS. 5A and 5B are the end portions of the frame body with the girder member and the filling heat insulation panel. Front explanatory view and cross sectional explanatory view showing a state in which the nut for fastening the casing is fixed inside the hollow portion provided in between, FIG. 5 (c) is fixed to the frame Cross-sectional explanatory drawing which shows a mode that the roof panel which concerns on this invention is fixed to the flange of a frame beam using the nut for frame fastening, FIG. 6 shows a mode that the roof panel which concerns on this invention is installed in the slope surface of a gable roof frame FIG.
図１〜図３において、１は外断熱及び気密構造の建物用の屋根パネルであり、図２に示すように、平面視矩形の枠体２を構成するスチールフレームで断面コの字形状の鋼材または溝形鋼からなる井桁部材間に充填断熱パネル３が充填され、該井桁部材からなる枠体２と充填断熱パネル３との目地部を気密粘着テープ４で密封した基本パネルＡが設けられている。尚、気密粘着テープ４と反対側には枠体２に充填断熱パネル３を固定するための補助粘着テープ12が設けられている。 1 to 3, reference numeral 1 denotes a building roof panel having an outer heat insulating and airtight structure, and as shown in FIG. 2, a steel frame constituting a rectangular frame 2 in plan view, and a steel material having a U-shaped cross section. Alternatively, a filled heat insulating panel 3 is filled between the cross beam members made of channel steel, and a basic panel A is provided in which the joints between the frame 2 made of the cross beam member and the filled heat insulating panel 3 are sealed with an airtight adhesive tape 4. Yes. Note that an auxiliary adhesive tape 12 for fixing the filling heat insulating panel 3 to the frame 2 is provided on the side opposite to the airtight adhesive tape 4.
そして、基本パネルＡの見付面の大きさに合わせて、枠体２に固定した積層断熱パネル５と、該積層断熱パネル５上に固定した硬質木片セメント板からなる野地板６と、該野地板６上に敷設した防水ルーフィング７と、が順次積層されて固定されている。 Then, in accordance with the size of the finding surface of the basic panel A, a laminated heat insulating panel 5 fixed to the frame body 2, a field board 6 made of a hard wood chip cement plate fixed on the laminated heat insulating panel 5, and the field A waterproof roofing 7 laid on the main plate 6 is sequentially laminated and fixed.
防水ルーフィング７の各辺には積層断熱パネル５の小口面５ａを被覆するための、基本パネルＡの見付面に対してはみ出た余長部からなる折曲片７ａが設けられており、該防水ルーフィング７が野地板６上に貼付される。また、防水ルーフィング７には、屋根パネル１間の継目に跨る折り返し部からなる延長片７ｂが設けられている。 Each side of the waterproof roofing 7 is provided with a bent piece 7a composed of a surplus portion protruding from the surface of the basic panel A for covering the small edge surface 5a of the laminated heat insulating panel 5, A waterproof roofing 7 is affixed to the base plate 6. Further, the waterproof roofing 7 is provided with an extension piece 7b composed of a folded portion straddling the joint between the roof panels 1.
図１に示すように、本実施形態の野地板６は、２分割されたものを１枚の屋根パネル１に使用しており、防水ルーフィング７は３分割されたものを重ねて使用した場合の一例である。防水ルーフィング７は、該防水ルーフィング７表面側から図示しないステンレス製のステープルを打ち込み固定する。ステープルの固定ピッチは１５０mm〜２００mmの間隔で屋根パネル１の全表面に均一に打ち込む。 As shown in FIG. 1, the base plate 6 of the present embodiment is divided into two pieces for a single roof panel 1, and the waterproof roofing 7 is used when the divided pieces are used in combination. It is an example. The waterproof roofing 7 is driven and fixed by stainless steel staples (not shown) from the surface side of the waterproof roofing 7. The fixed pitch of staples is uniformly driven on the entire surface of the roof panel 1 at intervals of 150 mm to 200 mm.
また、枠体２の側面のうち、少なくとも隣接する該枠体２の二辺の側面２ａには、エチレンプロピレンジエンゴム（ＥＰＤＭ）等の合成ゴムに難燃剤を混合した混和物を発泡させた連続気泡タイプの発泡体からなるエプトシーラ等の弾性気密材８が貼着されている。図１に示すように、枠体２の水下側の側面２ａには吊下げ用等の長穴が設けられてるので、その長穴を粘着テープ13により塞ぎ、防水ルーフィング７を野地板６上に貼着すると共に該防水ルーフィング７の折曲片７ａを枠体２の側面２ａに貼着し、該折曲片７ａにオーバーラップさせて弾性気密材８を貼着する。枠体２の角部は防水ルーフィング７の折曲片７ａの角部を巻き込んで補助テープにより貼着する。弾性気密材８の繋ぎは２箇所以下とし、重ね代は５０mm以上とし、水上側を上にして重ねる。 Further, among the side surfaces of the frame body 2, at least two side surfaces 2a of the adjacent frame body 2 are continuously formed by foaming an admixture obtained by mixing a flame retardant with a synthetic rubber such as ethylene propylene diene rubber (EPDM). An elastic hermetic material 8 such as an eptosea made of a bubble type foam is attached. As shown in FIG. 1, a long hole for hanging or the like is provided on the side surface 2 a on the underwater side of the frame 2, so that the long hole is closed with an adhesive tape 13, and the waterproof roofing 7 is placed on the base plate 6. At the same time, the bent piece 7a of the waterproof roofing 7 is attached to the side surface 2a of the frame body 2, and the elastic airtight material 8 is attached to overlap the bent piece 7a. The corners of the frame body 2 are wound around the corners of the bent pieces 7a of the waterproof roofing 7 and attached with an auxiliary tape. The elastic airtight material 8 is connected to two or less places, the overlap margin is set to 50 mm or more, and the water upper side is placed up.
本実施形態では、充填断熱パネル３及び積層断熱パネル５はフェノール樹脂発泡体からなるフェノールフォーム断熱パネルであり、旭化成株式会社が開発して国際公開WO-00-1761号公報に開示した技術(ネオマフォーム（登録商標）)により作成することが出来る。このフェノール樹脂発泡体は、ＪＩＳＡ９５１１に規定されるフェノールフォーム保温板の規格によると１種に該当する高性能なフェノールフォームであり、高い断熱性能を有し、熱による寸法変化も少ないため、屋根パネル用断熱材として好ましく使用することが可能である。また、前記フェノール樹脂発泡体は、火炎が作用したとき、表面が炭化するのみで急激に燃え広がることがなく溶解することもないため、高い耐燃焼性を求められる部位に好ましく使用することができる。 In this embodiment, the filled heat insulating panel 3 and the laminated heat insulating panel 5 are phenol foam heat insulating panels made of a phenol resin foam, and a technology (neoma foam) developed by Asahi Kasei Corporation and disclosed in International Publication WO-00-1761. (Registered trademark)). This phenolic resin foam is a high-performance phenolic foam corresponding to one type according to the standard of phenol foam insulation board specified in JIS A9511, and has high heat insulation performance and little dimensional change due to heat. It can be preferably used as a heat insulating material. In addition, the phenol resin foam can be preferably used in a portion where high combustion resistance is required because when the flame acts, the surface only carbonizes and does not spread suddenly and does not dissolve. .
フェノール樹脂発泡体の表裏面には紙製や樹脂製など種々の面材による層を設けることも出来、本実施形態では不織布を採用している。また、不織布の代わりにアルミ箔を採用したり、不織布の外側にアルミ箔を積層しても良い。 Layers of various face materials such as paper and resin can be provided on the front and back surfaces of the phenol resin foam. In this embodiment, a nonwoven fabric is used. Moreover, you may employ | adopt aluminum foil instead of a nonwoven fabric, or may laminate | stack aluminum foil on the outer side of a nonwoven fabric.
上記技術に係るフェノール樹脂発泡体は、フェノール樹脂基体部と、多数の微細気泡から形成される気泡部とを有する密度が１０kg／ｍ3〜１００kg／ｍ3のフェノールフォームであり、前記微細気泡が炭化水素が含有し且つ平均気泡径が５μｍ〜２００μｍの範囲にあり、大部分の微細気泡の気泡壁が滑らかなフェノール樹脂基体面で構成されている。そして、発泡剤が炭化水素であるにも関わらず、従来のフロン系発泡剤と遜色のない熱伝導率を持ち、且つ熱伝導率の経時的な変化もなく、圧縮強度等の機械的強度に優れ、脆性が改善される。 Phenolic resin foam according to the above techniques, and the phenol resin base portion, density and a bubble portion formed from a large number of fine bubbles are phenol foam of 10kg / m 3 ~100kg / m 3 , the fine bubbles Hydrocarbon is contained and the average cell diameter is in the range of 5 μm to 200 μm, and the cell walls of most of the fine cells are composed of a smooth phenol resin substrate surface. And despite the fact that the blowing agent is a hydrocarbon, it has a thermal conductivity comparable to that of conventional chlorofluorocarbon-based blowing agents, and there is no change over time in the thermal conductivity, resulting in a mechanical strength such as compressive strength. Excellent and improved brittleness.
フェノール樹脂発泡体における断熱性は、平均気泡径が５μｍ〜２００μｍの範囲、好ましくは１０μｍ〜１５０μｍと小さく、且つ独立気泡率を８０％以上と高く保持することによって確保することが可能である。またフェノール樹脂発泡体は高い耐燃焼性を有しており、火炎が作用したとき、表面が炭化するのみで急激に燃え広がることがなく溶解することもない。更には有毒性ガスの発生もない。 The heat insulating property in the phenol resin foam can be ensured by keeping the average cell diameter as small as 5 μm to 200 μm, preferably as small as 10 μm to 150 μm, and keeping the closed cell ratio as high as 80% or more. In addition, the phenol resin foam has high combustion resistance, and when the flame acts, the surface is merely carbonized and does not spread suddenly and does not melt. Furthermore, no toxic gas is generated.
例えば、フェノール樹脂発泡体の密度を２７kg／ｍ3に設定した場合、２０℃おける熱伝導率は０．０２０Ｗ／ｍ・Ｋであり、圧縮強さは１５Ｎ／cm2、熱変形温度は２００℃である。前記フェノール樹脂発泡体の性能は、押出発泡ポリスチレン３種が熱伝導率；０．０２８Ｗ／ｍ・Ｋ、圧縮強さ；２０Ｎ／cm2、熱変形温度；８０℃であることや、硬質ウレタンフォーム２種２号が熱伝導率；０．０２４Ｗ／ｍ・Ｋ、圧縮強さ；８Ｎ／cm2、熱変形温度；１００℃であることと比較して充分に高い性能を有する。 For example, when the density of the phenol resin foam is set to 27 kg / m 3 , the thermal conductivity at 20 ° C. is 0.020 W / m · K, the compressive strength is 15 N / cm 2 , and the thermal deformation temperature is 200 ° C. It is. As for the performance of the above-mentioned phenol resin foam, three types of extruded foamed polystyrene have thermal conductivity: 0.028 W / m · K, compressive strength: 20 N / cm 2 , heat deformation temperature: 80 ° C., rigid urethane foam Type 2 No. 2 has sufficiently high performance compared with thermal conductivity: 0.024 W / m · K, compressive strength: 8 N / cm 2 , heat distortion temperature: 100 ° C.
このため、フェノール樹脂発泡体からなる樹脂発泡体では、従来の押出発泡ポリスチレンフォームや硬質ウレタンフォームの約２／３程度の厚さで略同等の断熱性能及び耐燃焼性能を発揮することが可能である。 For this reason, a resin foam made of a phenol resin foam can exhibit substantially the same heat insulation performance and combustion resistance performance with a thickness of about 2/3 that of a conventional extruded foam polystyrene foam or rigid urethane foam. is there.
しかし、充填断熱パネル３または積層断熱パネル５は、フェノール樹脂発泡体に限られず、スタイロフォーム（登録商標）などの押出発泡ポリスチレンフォームや硬質ウレタンフォームなどの材料を使用してもかまわないが、この場合でも本実施形態の防水ルーフィングを施すことにより充填断熱パネル３または積層断熱パネル５に無用な水分を吸収させずに済ませることができる。 However, the filling heat insulation panel 3 or the laminated heat insulation panel 5 is not limited to the phenol resin foam, and materials such as extruded foam polystyrene foam and rigid urethane foam such as Styrofoam (registered trademark) may be used. However, by applying the waterproof roofing of the present embodiment, it is possible to prevent the filling heat insulation panel 3 or the laminated heat insulation panel 5 from absorbing unnecessary moisture.
また、樹脂発泡体はフェノール樹脂発泡体以外でも、ＰＶＡ（ポリビニールアルコール）やＰＰ（Poly Propylene；ポリプロピレン）等の各種の発泡プラスチックが適用出来る。 Further, the resin foam may be various foamed plastics such as PVA (polyvinyl alcohol) and PP (Poly Propylene) other than the phenol resin foam.
なお、充填断熱パネル３は厚さ６０ｍｍ、積層断熱材５は厚さ５５ｍｍまたは厚さ２５ｍｍと３０ｍｍの２枚、野地板６（厚１８ｍｍ）を用いており、防水ルーフィング７を除いた屋根パネルの厚さは１３３ｍｍ程度である。 The filled heat insulating panel 3 is 60 mm thick, the laminated heat insulating material 5 is 55 mm thick or 25 mm thick and 30 mm thick, and a field board 6 (thickness 18 mm) is used, and the roof panel excluding the waterproof roofing 7 is used. The thickness is about 133 mm.
図２（ｂ）に示すように、枠体２には、井桁部材と充填断熱パネル３との間に空洞部９が設けられており、該空洞部９の躯体梁10側の内側に躯体締結用ナット11が固定されている。躯体締結用ナット11は図４に示すように、方形状のプレート11ａにナット11ｂが点溶接により固定されている。そして、図５に示すように、枠体２の下フランジ２ｃの内側に躯体締結用ナット11のプレート11ａを当接し、該プレート11ａと枠体２の下フランジ２ｃとにタッピングビス15を打ち込んで締結する。 As shown in FIG. 2 (b), the frame 2 is provided with a hollow portion 9 between the cross beam member and the filled heat insulating panel 3, and the frame is fastened inside the hollow beam 10 side of the hollow portion 9. The nut 11 is fixed. As shown in FIG. 4, a nut 11b is fixed to a rectangular plate 11a by spot welding. Then, as shown in FIG. 5, the plate 11a of the casing fastening nut 11 is brought into contact with the inside of the lower flange 2c of the frame 2, and a tapping screw 15 is driven into the plate 11a and the lower flange 2c of the frame 2. Conclude.
このように躯体締結用ナット11をプレートと一体化してビス止めにしたのは、枠体２にナット11を溶接した後に当該部分を防錆のために、めっき等により補修する必要がないからである。 The reason why the nut 11 for fastening the housing is integrated with the plate and screwed in this way is that it is not necessary to repair the portion by plating or the like for rust prevention after the nut 11 is welded to the frame 2. is there.
そして、図５（ｃ）に示すように、建物屋根の躯体梁10に屋根パネル１を載置した状態で躯体梁10の内側から締結ボルト16を躯体締結用ナット11に螺合締結して屋根パネル１を躯体梁10に固定することが出来る。 Then, as shown in FIG. 5 (c), with the roof panel 1 placed on the frame beam 10 of the building roof, the fastening bolt 16 is screwed into the frame fastening nut 11 from the inside of the frame beam 10, and the roof is secured. The panel 1 can be fixed to the frame beam 10.
尚、タッピングビス15の代わりに、躯体締結用ナット11のプレート11ａに設けた貫通孔と、枠体２の下フランジ２ｃに設けた貫通孔とにリベットを挿入してリベット留めすることでも良い。 Instead of the tapping screw 15, a rivet may be inserted into the through hole provided in the plate 11a of the housing fastening nut 11 and the through hole provided in the lower flange 2c of the frame 2 and riveted.
枠体２を構成する井桁部材の下面には水抜き用の複数の孔が穿たれており、万が一枠体２内に雨水等が侵入してもこの孔から水分を排出することが出来る。 A plurality of holes for draining water are formed in the lower surface of the cross beam member constituting the frame body 2, and even if rainwater or the like enters the frame body 2, moisture can be discharged from the holes.
屋根パネル１を躯体梁10に固定した後は、図３（ａ）に示すように、屋根パネル１間の継目に跨る防水ルーフィング７の折り返し部からなる延長片７ｂにより屋根勾配面の上下方向に隣設配置される屋根パネル１間の継目を防水する。尚、図中、17は防水紙である。次に、図３（ｂ）に示すように、屋根勾配面の左右方向に隣設配置される屋根パネル１間の継目を防水テープ18により防水する。 After the roof panel 1 is fixed to the frame beam 10, as shown in FIG. 3A, an extension piece 7b formed of a folded portion of the waterproof roofing 7 straddling the seam between the roof panels 1 is used in the vertical direction of the roof slope surface. The joint between the adjacent roof panels 1 is waterproofed. In the figure, 17 is waterproof paper. Next, as shown in FIG. 3B, the joint between the roof panels 1 arranged adjacent to each other in the left-right direction of the roof slope surface is waterproofed with a waterproof tape 18.
屋根パネル１の製造方法としては、先ず、断面コの字形状の鋼材または溝形鋼からなる井桁部材からなる枠体２内に充填断熱パネル３を充填する。その際、枠体２の端部に空洞部９を形成し、該空洞部９内に躯体締結用ナット11を挿入して枠体２に固定する。 As a manufacturing method of the roof panel 1, first, the filling heat insulation panel 3 is filled in the frame body 2 made of a cross girder member made of a steel material having a U-shaped cross section or a channel steel. At this time, a cavity 9 is formed at the end of the frame 2, and a housing fastening nut 11 is inserted into the cavity 9 to be fixed to the frame 2.
そして、隣設される充填断熱パネル３と枠体２の上フランジ２ｂに跨って気密粘着テープ４を貼着すると共に、枠体２の側面２ａに設けられた長穴を利用して基本パネルＡを吊下げ、該基本パネルＡを裏返して隣設される充填断熱パネル３と枠体２の下フランジ２ｃに跨って補助テープ12を貼着する。 And while adhering the airtight adhesive tape 4 ranging over the adjacent heat insulation panel 3 and the upper flange 2b of the frame 2, the basic panel A is utilized using the long hole provided in the side surface 2a of the frame 2. The basic tape A is turned over and the auxiliary tape 12 is pasted over the adjacent heat-insulating panel 3 and the lower flange 2c of the frame body 2 which are provided next to each other.
再度、枠体２の側面２ａに設けられた長穴を利用して基本パネルＡを吊下げ、該基本パネルＡを裏返して枠体２の上フランジ２ｂ及び充填断熱パネル３上に積層断熱パネル５を載置してビス固定し、更に該積層断熱パネル５上に野地板６を載置して該野地板６の表面側からビス14を打ち込んで該野地板６、積層断熱パネル５、気密粘着テープ４及び枠体２の上フランジ２ｂを貫通して枠体２の上フランジ２ｂに固定する。 Again, the basic panel A is suspended using the long holes provided in the side surface 2a of the frame body 2, and the basic panel A is turned over so that the laminated heat insulating panel 5 is placed on the upper flange 2b and the filled heat insulating panel 3 of the frame body 2. Is fixed by screws, and a base plate 6 is mounted on the laminated heat insulation panel 5 and screws 14 are driven in from the surface side of the base plate 6 to provide the base plate 6, the laminated heat insulation panel 5, and an airtight adhesive. The tape 4 and the upper flange 2b of the frame 2 are passed through and fixed to the upper flange 2b of the frame 2.
次に、図１に示すように、野地板６上に防水ルーフィング７を敷設して図示しないステープルにより固定する。防水ルーフィング７は規格幅寸法から２枚構成或いは３枚構成としている。そして、防水ルーフィング７の折曲片７ａを折り曲げて野地板６及び積層断熱パネル５の小口面５ａを被覆する。そして、枠体２の側面２ａに弾性気密材８を貼着する。 Next, as shown in FIG. 1, a waterproof roofing 7 is laid on the field board 6 and fixed with staples (not shown). The waterproof roofing 7 has a two-sheet configuration or a three-sheet configuration in accordance with the standard width dimension. Then, the folded piece 7 a of the waterproof roofing 7 is folded to cover the base plate 6 and the small edge surface 5 a of the laminated heat insulating panel 5. Then, the elastic airtight material 8 is attached to the side surface 2 a of the frame 2.
次に屋根パネル１の施工方法としては、先ず、図６（ａ）に示すように、屋根パネル１を建物屋根の勾配形状を形成する躯体梁10上に載置して敷き並べ、躯体梁10の内側から締結ボルト16を躯体締結用ナット11に螺合締結して屋根パネル１を躯体梁10に固定する。次に、防水ルーフィング７の延長片７ｂを広げ、屋根勾配方向下側の屋根パネル１に跨らせて貼着する。他方、左右の屋根パネル１の継目には、図６（ｂ）に示すように、防水テープ18を貼着する。その後、屋根パネル１上に瓦屋根材等の屋根葺き材を施工する。 Next, as a construction method of the roof panel 1, first, as shown in FIG. 6 (a), the roof panel 1 is placed and laid on the frame beam 10 forming the gradient shape of the building roof. The fastening bolt 16 is screwed and fastened to the frame fastening nut 11 from the inside of the roof panel 1 to fix the roof panel 1 to the frame beam 10. Next, the extension piece 7b of the waterproof roofing 7 is spread and pasted over the roof panel 1 on the lower side of the roof gradient direction. On the other hand, waterproof tape 18 is attached to the joints between the left and right roof panels 1 as shown in FIG. Thereafter, a roofing material such as a tile roofing material is constructed on the roof panel 1.
本発明の活用例として、建物の屋根の断熱気密屋根パネルに適用出来る。 As an application example of the present invention, it can be applied to a heat-insulated and airtight roof panel of a building roof.
Ａ…基本パネル
１…屋根パネル
２…枠体
２ａ…側面
２ｂ…上フランジ
２ｃ…下フランジ
３…充填断熱パネル
４…気密粘着テープ
５…積層断熱パネル
５ａ…小口面
６…野地板
７…防水ルーフィング
７ａ…折曲片
７ｂ…延長片
８…弾性気密材
９…空洞部
10…躯体梁
11…躯体締結用ナット
11ａ…プレート
11a1…ビス穴
12…補助粘着テープ
13…粘着テープ
14…ビス
15…タッピングビス
16…締結ボルト
17…防水紙
18…防水テープ
A ... Basic panel 1 ... Roof panel 2 ... Frame 2a ... Side 2b ... Upper flange 2c ... Lower flange 3 ... Filling insulation panel 4 ... Airtight adhesive tape 5 ... Laminated insulation panel 5a ... Small face 6 ... Field plate 7 ... Waterproof roofing 7a ... bent piece 7b ... extension piece 8 ... elastic airtight material 9 ... cavity
10 ... Body beam
11 ... Nut for nut fastening
11a ... Plate
11a1 ... Screw hole
12 ... Auxiliary adhesive tape
13… adhesive tape
14 ... Screw
15 ... Tapping screw
16 ... Fastening bolt
17 ... Waterproof paper
18… Waterproof tape
Claims (2)
枠体を構成する井桁部材間に充填断熱パネルが充填され、該井桁部材と充填断熱パネルとの目地部を気密テープで密封した基本パネルと、
前記基本パネルの見付面の大きさに合わせて、前記枠体上に固定した積層断熱パネルと、該積層断熱パネル上に固定した野地板と、該野地板上に敷設した防水ルーフィングと、が順次積層されて固定されており、
前記防水ルーフィングは、前記基本パネルの見付面に対してはみ出た余長部からなる折曲片が前記積層断熱パネルのうち隣接する他の屋根パネルに対向する小口面を被覆するとともに、屋根パネル間の継目に跨る折り返し部からなる延長片を備え、
かつ、前記枠体の側面のうち、少なくとも隣接する該枠体の二辺の側面に弾性気密材が貼着されていることを特徴とする屋根パネル。 Roof panels for buildings with external insulation and airtight structure,
A basic panel in which a filled heat insulating panel is filled between the cross girder members constituting the frame, and a joint between the cross girder member and the filled heat insulating panel is sealed with an airtight tape,
In accordance with the size of the finding surface of the basic panel, a laminated heat insulating panel fixed on the frame body, a field plate fixed on the laminated heat insulating panel, and a waterproof roofing laid on the field plate. It is laminated and fixed sequentially,
In the waterproof roofing , the folded piece formed of the extra length protruding from the surface of the basic panel covers a small face facing the other adjacent roof panel of the laminated heat insulating panel, and the roof panel. It has an extension piece consisting of a folded part straddling the joint between,
And the elastic airtight material is affixed on the side surface of the two sides of this adjacent frame body among the side surfaces of the said frame body, The roof panel characterized by the above-mentioned.
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