JP7393764B2 - Frame-mounted insulated and waterproof roof structure and its construction method - Google Patents

Frame-mounted insulated and waterproof roof structure and its construction method Download PDF

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JP7393764B2
JP7393764B2 JP2020043868A JP2020043868A JP7393764B2 JP 7393764 B2 JP7393764 B2 JP 7393764B2 JP 2020043868 A JP2020043868 A JP 2020043868A JP 2020043868 A JP2020043868 A JP 2020043868A JP 7393764 B2 JP7393764 B2 JP 7393764B2
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heat insulating
insulating material
plate
waterproof
roof
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JP2021143544A (en
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勇 中川
義則 中川
喬 菊地
浩 達冨
裕信 高畑
琢也 黒畑
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Obayashi Corp
Toyota Motor Hokkaido Inc
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/10—Photovoltaic [PV]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy

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Description

本発明は、断熱防水処理される建物の屋根上に太陽光パネル等の構造物を支持する架台を設置することのできる架台設置型断熱防水屋根構造体およびこの施工方法に関するものである。 TECHNICAL FIELD The present invention relates to a pedestal-installed type insulating and waterproof roof structure in which a pedestal for supporting a structure such as a solar panel can be installed on the roof of a building to be heat-insulated and waterproofed, and a construction method thereof.

寒冷地における建物の屋根には断熱材が敷設されている。従来、断熱材は、平ワッシャーにファスナーを挿通し、屋根上のルーフデッキプレート等に締結固定されている。しかし、前記平ワッシャーやファスナーは熱を伝えやすい性質があるため、その部分から橋を渡るように熱が出入りするヒートブリッジ現象が生じ、断熱性能の低下、結露および着霜の原因となっている。 Insulating materials are installed on the roofs of buildings in cold regions. Conventionally, heat insulating materials are fastened to a roof deck plate or the like on a roof by inserting a fastener through a flat washer. However, since flat washers and fasteners have the property of easily transmitting heat, a heat bridge phenomenon occurs in which heat flows in and out as if crossing a bridge, leading to a decrease in insulation performance, dew condensation, and frost formation. .

このようなヒートブリッジ現象に基づく断熱性能の低下の問題に対し、本出願人は、特許第４２０８０９５号公報において、新たな断熱用ワッシャーおよびこれを用いた断熱構造体の発明を開示し、特許権を得ている（特許文献１）。具体的には、前記断熱構造体は、断熱板材の表面にワッシャー嵌入穴を形成し、このワッシャー嵌入穴に断熱用ワッシャーの中空収容部を埋設し、この中空収容部の底部に形成した挿通孔にファスナーを挿通して前記断熱板材を固定するとともに、前記ファスナー頭部を覆うようにして前記中空収容部に充填用断熱材を充填するものであるとされている。 In response to the problem of deterioration in insulation performance due to such heat bridge phenomenon, the present applicant disclosed the invention of a new insulation washer and a insulation structure using the same in Japanese Patent No. 4208095, and obtained the patent right. (Patent Document 1). Specifically, the heat insulating structure has a washer fitting hole formed in the surface of the heat insulating plate material, a hollow housing part for the heat insulating washer buried in the washer fitting hole, and an insertion hole formed in the bottom of the hollow housing part. The heat insulating plate material is fixed by inserting a fastener into the hole, and the hollow housing part is filled with a heat insulating material so as to cover the head of the fastener.

また、当該断熱用ワッシャーおよびこれを用いた断熱構造体に係る発明を利用した工法は、ＨＴ工法（登録商標）として実用化されており、高い防水性能および高い断熱性能を備え、強風にも耐え得る優れた工法として断熱防水屋根に係る業界内で広く知られるものとなっている。 In addition, the construction method using the invention related to the insulation washer and the insulation structure using the same has been put into practical use as the HT construction method (registered trademark), and has high waterproof performance and high insulation performance, and can withstand strong winds. It is widely known within the industry for insulating and waterproofing roofs as an excellent construction method.

特許第４２０８０９５号公報Patent No. 4208095

ところで、近年、建物の屋上等のように屋根上の広い空間に太陽光パネルを設置する等、屋根上空間を有効利用する試みが盛んに行われており、前記太陽光パネル等の構造物を設置するための架台を設置する必要が生じている。 Incidentally, in recent years, there have been many attempts to effectively utilize rooftop space, such as installing solar panels in a large space on the roof of a building. It has become necessary to install a stand for installation.

しかしながら、断熱構造体を構成する断熱材は、発泡ウレタンや発泡ポリスチレン等の比較的脆弱な素材であるため、太陽光パネル等の構造物の重量を支えられず、また台風等の強風によって変形や破損が生じ、断熱性能や防水性能が失われるという問題がある。 However, the insulation materials that make up the insulation structure are made of relatively fragile materials such as foamed urethane and foamed polystyrene, so they cannot support the weight of structures such as solar panels and are susceptible to deformation due to strong winds such as typhoons. There is a problem that damage occurs and insulation performance and waterproof performance are lost.

本発明は、以上のような問題点を解決するためになされたものであって、断熱防水屋根を構成する断熱材の変形や破損を防止し、断熱性能や防水性能を維持しながら建物の屋根上に架台を設置することのできる、架台設置型断熱防水屋根構造体およびこの施工方法を提供することを目的としている。 The present invention has been made in order to solve the above-mentioned problems, and it prevents deformation and damage of the heat insulating material constituting the heat insulated and waterproof roof, and improves the roof of the building while maintaining its heat insulating and waterproof performance. It is an object of the present invention to provide a pedestal-installed type insulating and waterproof roof structure on which a pedestal can be installed, and a construction method thereof.

本発明に係る架台設置型断熱防水屋根構造体は、断熱防水処理が施工される建物の屋根上に架台を設置することを可能にするという課題を解決するために、架台を設置可能でかつ断熱性および防水性を備えた建物の屋根として用いられる架台設置型断熱防水屋根構造体であって、前記屋根上に設置される角波形状のルーフデッキプレートと、前記ルーフデッキプレートの角波形凸状部の上面に載置される板状の断熱材と、前記断熱材において前記角波形凸状部の上面と当接する位置に貫通してなる設置孔と、前記設置孔の内側に嵌入されるパネル支持材と、前記パネル支持材により支持されつつ前記断熱材の上部に設置されて前記断熱材を保護する保護板と、前記保護板の上部に設置される補強パネルと、前記補強パネルの上部に固定される架台のベース板と、前記ベース板、前記補強パネル、前記保護板および前記断熱材の上を覆うように設置される防水層とを有する。 In order to solve the problem of making it possible to install a pedestal on the roof of a building where insulation and waterproofing treatment is to be performed, the pedestal-installed type insulating and waterproof roof structure according to the present invention is capable of installing a pedestal and is insulated. A pedestal-mounted insulating and waterproof roof structure used as a roof of a building that is waterproof and waterproof, the roof deck plate having a rectangular corrugated shape installed on the roof, and the rectangular corrugated convex shape of the roof deck plate. a plate-shaped heat insulating material placed on the top surface of the part; an installation hole penetrating the heat insulating material at a position where it abuts the top surface of the square wave-shaped convex part; and a panel fitted inside the installation hole. a support member, a protection plate that is supported by the panel support member and installed on top of the heat insulation material to protect the heat insulation material, a reinforcing panel installed on the top of the protection board, and a reinforcing panel on the top of the reinforcing panel. The device includes a base plate of a frame to be fixed, and a waterproof layer installed to cover the base plate, the reinforcing panel, the protective plate, and the heat insulating material.

また、本発明の一態様として、断熱性能や防水性能を低下させずに補強パネルをルーフデッキに強固に固定するという課題を解決するために、断熱用ワッシャーが、前記防水層の下部に配置され、前記補強パネルに貫通し、前記断熱材の前記設置孔とは異なる位置を通って前記角波形凸状部に固定されていてもよい。 Further, as one aspect of the present invention, in order to solve the problem of firmly fixing the reinforcing panel to the roof deck without reducing the heat insulation performance or waterproof performance, a heat insulation washer is arranged under the waterproof layer. , the reinforcing panel may be penetrated and fixed to the rectangular corrugated convex portion through a position different from the installation hole of the heat insulating material.

さらに、本発明の一態様として、断熱材の変形や損傷を防止するという課題を解決するために、前記パネル支持材が前記断熱材より硬質の硬質樹脂材からなるようにしてもよい。 Furthermore, as one aspect of the present invention, in order to solve the problem of preventing deformation and damage to the heat insulating material, the panel support material may be made of a hard resin material that is harder than the heat insulating material.

本発明に係る断熱防水屋根構造体の施工方法は、断熱材が設置された建物の屋根上に架台を設置することを可能にするという課題を解決するために、架台を設置可能でかつ断熱性および防水性を備えた建物の屋根を施工するための架台設置型断熱防水屋根構造体の施工方法であって、角波形状のルーフデッキプレートを設置するルーフデッキプレート設置工程と、前記ルーフデッキプレートの角波形凸状部の上面に板状の断熱材を載置する断熱材載置工程と、前記断熱材において前記角波形凸状部の上面と当接する位置に貫通して形成された設置孔にパネル支持材を嵌入するパネル支持材嵌入工程と、前記パネル支持材上でかつ前記断熱材上に前記断熱材を保護する保護板を設置する保護板設置工程と、保護板上に補強パネルを設置する補強パネル設置工程と、補強パネル上に架台のベース板を固定するベース板設置工程と、前記ベース板、前記補強パネル、前記保護板および前記断熱材の上に防水層を設置する防水層設置工程とを有する。 In order to solve the problem of making it possible to install a pedestal on the roof of a building on which insulation material is installed, the method for constructing a heat-insulating and waterproof roof structure according to the present invention aims to solve the problem of making it possible to install a pedestal on the roof of a building where insulation material is installed. and a method for constructing a frame-mounted insulating and waterproof roof structure for constructing a waterproof building roof, the roof deck plate installation step of installing a square wave-shaped roof deck plate, and the roof deck plate. a heat insulating material placing step of placing a plate-shaped heat insulating material on the top surface of the square wave shaped convex part, and an installation hole formed through the heat insulating material at a position where it comes into contact with the top surface of the square wave shaped convex part. a panel support inserting step of inserting a panel support material into the panel support material; a protection plate installation step of installing a protection plate to protect the heat insulation material on the panel support material and on the heat insulation material; and a reinforcing panel installed on the protection plate. a step of installing a reinforcing panel, a step of installing a base plate of fixing a base plate of a mount on the reinforcing panel, and a waterproof layer of installing a waterproof layer on the base plate, the reinforcing panel, the protective plate, and the heat insulating material. and an installation process.

本発明によれば、断熱防水屋根を構成する断熱材の変形や破損を防止し、断熱性能や防水性能を維持しながら建物の屋根上に架台を設置することができる。 According to the present invention, the frame can be installed on the roof of a building while preventing deformation and damage of the heat insulating material constituting the heat insulating and waterproof roof and maintaining heat insulating performance and waterproof performance.

本発明に係る架台設置型断熱防水屋根構造体の一実施形態を示す縦断面図である。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a longitudinal cross-sectional view showing an embodiment of a pedestal-mounted insulating and waterproof roof structure according to the present invention. 本実施形態における架台設置型断熱防水屋根構造体を示す平面図である。FIG. 2 is a plan view showing a pedestal-installed type heat-insulating waterproof roof structure according to the present embodiment. 他の実施形態の架台設置型断熱防水屋根構造体であってパネル支持材の個数が（ａ）４個の場合の実施形態および（ｂ）１０個の場合の実施形態を示す平面図である。FIG. 7 is a plan view illustrating another embodiment of a frame-mounted insulating and waterproof roof structure in which the number of panel supporting members is (a) 4 and (b) 10. 本実施形態における断熱用ワッシャーを示す（ａ）正面図および（ｂ）平面図である。It is (a) a front view and (b) a top view which show the washer for heat insulation in this embodiment. 本実施形態の架台設置型断熱防水屋根構造体の施工方法を示す模式図である。It is a schematic diagram which shows the construction method of the frame installation type heat insulation waterproof roof structure of this embodiment.

以下、本発明に係る架台設置型断熱防水屋根構造体およびこの施工方法の一実施形態について図面を用いて説明する。 DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a pedestal-mounted insulating and waterproof roof structure and a construction method thereof according to the present invention will be described below with reference to the drawings.

本実施形態の架台設置型断熱防水屋根構造体１は、図１ないし図３に示すように、角波形状のルーフデッキプレート２と、ルーフデッキプレート２の上部に設置される断熱材３と、この断熱材３を貫通してなる設置孔４と、この設置孔４の内側に嵌入されるパネル支持材５と、このパネル支持材５の上部に支持される保護板６と、この保護板６の上部に固定される補強パネル７と、この補強パネル７の上部に設置される架台８のベース板８１と、このペース板８等の上を覆うように設置される防水層９とを有する。以下、各構成について説明する。 As shown in FIGS. 1 to 3, the frame-mounted insulating and waterproof roof structure 1 of this embodiment includes a roof deck plate 2 having a square wave shape, and a heat insulating material 3 installed on the top of the roof deck plate 2. An installation hole 4 passing through this heat insulating material 3, a panel support material 5 fitted inside this installation hole 4, a protection plate 6 supported on the upper part of this panel support material 5, and this protection plate 6. A reinforcing panel 7 is fixed to the upper part of the reinforcing panel 7, a base plate 81 of the pedestal 8 is installed on the upper part of the reinforcing panel 7, and a waterproof layer 9 is installed to cover the pace plate 8 and the like. Each configuration will be explained below.

ルーフデッキプレート２は、屋根の下地材であって、本実施形態では、波形形状に形成されている。具体的には、図１に示すように、略直線状の凹部と、略直線状の凸部とが交互に並んだ形状を有しており、角波形凸状部２１の上面２２は断熱材３と面接触により支持するため略平坦状に形成されている。 The roof deck plate 2 is a base material for a roof, and in this embodiment, is formed in a wavy shape. Specifically, as shown in FIG. 1, it has a shape in which substantially linear concave portions and substantially linear convex portions are arranged alternately, and the upper surface 22 of the rectangular corrugated convex portion 21 is covered with a heat insulating material. It is formed into a substantially flat shape in order to support it by surface contact with 3.

断熱材３は、断熱性能を有する板状の素材であって、ウレタン、ポリスチレン、フェノール樹脂等からなる発泡系の断熱材が例示される。本実施形態における断熱材３は、約５０ｍｍの厚さに形成された発泡ウレタンからなる硬質ウレタンフォームにより構成されており、高い断熱性能とともに高い防水性能を備えたものとなっている。 The heat insulating material 3 is a plate-shaped material having heat insulating performance, and examples thereof include foamed heat insulating materials made of urethane, polystyrene, phenol resin, or the like. The heat insulating material 3 in this embodiment is made of a rigid urethane foam made of urethane foam formed to a thickness of about 50 mm, and has high heat insulation performance and high waterproof performance.

なお、断熱材３は、硬質ウレタンフォーム等の一つの素材から構成される一層構造に限定されるものではなく、アスファルト素材の防水層等からなる多層構造でもよい。また、断熱材３の厚みは、特に限定されるものでなく、必要とされる断熱性能や強風に対する耐力に応じて適宜選択されるものであり、硬質ウレタンフォームを用いた場合では、２５ｍｍから１００ｍｍの範囲の厚さのものが好ましい。 Note that the heat insulating material 3 is not limited to a single layer structure made of a single material such as rigid urethane foam, but may have a multilayer structure made of a waterproof layer of asphalt material or the like. Further, the thickness of the heat insulating material 3 is not particularly limited, and is appropriately selected depending on the required heat insulating performance and resistance to strong winds, and in the case of using rigid urethane foam, it is from 25 mm to 100 mm. Preferably, the thickness is within the range of .

設置孔４は、パネル支持材５を嵌入するための孔であって、断熱材３からルーフデッキプレート２の角波形凸状部２１の上面２２に至るまで、前記断熱材３を貫通するように形成されている。本実施形態における設置孔４は、図１および図２に示すように、内周面が円筒状に形成されている。 The installation hole 4 is a hole for inserting the panel support material 5, and is formed so as to penetrate the heat insulating material 3 from the heat insulating material 3 to the upper surface 22 of the rectangular corrugated convex portion 21 of the roof deck plate 2. It is formed. As shown in FIGS. 1 and 2, the installation hole 4 in this embodiment has a cylindrical inner peripheral surface.

また、設置孔４は、保護板６および補強パネル７の幅に応じて複数開口されている。本実施形態における複数の設置孔４は、隣接する２本の角波形凸状部２１の上面２２に各角波形凸状部２１の長手方向に沿って等間隔に３つ、合計で６つ開口されている。 Further, a plurality of installation holes 4 are opened according to the widths of the protection plate 6 and the reinforcing panel 7. In this embodiment, the plurality of installation holes 4 are opened in the upper surface 22 of two adjacent square waveform convex parts 21 at equal intervals along the longitudinal direction of each square waveform convex part 21, for a total of six installation holes. has been done.

なお、設置孔４の数やパネル支持材５の個数は６個に限定されるものではなく、図３（ａ）に示すように４個や、３本の角波形凸状部２１に跨って設置される場合には図３（ｂ）に示すように１０個など、保護板６および補強パネル７の大きさや架台８の大きさ等に応じて適宜選択してもよい。 Note that the number of installation holes 4 and the number of panel support members 5 are not limited to six, and may be four or three square wave-shaped convex portions 21 as shown in FIG. When installed, ten pieces may be appropriately selected as shown in FIG. 3(b) depending on the size of the protection plate 6 and reinforcing panel 7, the size of the frame 8, etc.

パネル支持材５は、設置孔４内に嵌入されて角波形凸状部２１の上面２２に固定されるとともに、その上部に設置される保護板６を支持するためのものである。このパネル支持材５は、設置孔４の内側に嵌合可能な円柱状に形成されている。 The panel support member 5 is fitted into the installation hole 4 and fixed to the upper surface 22 of the rectangular corrugated convex portion 21, and is for supporting the protection plate 6 installed on the upper surface. This panel support member 5 is formed into a cylindrical shape that can be fitted inside the installation hole 4 .

また、パネル支持材５は、断熱材３より硬質の材料から形成されていることが好ましく、本実施形態では、ヒートブリッジ現象を発生させずかつ耐荷重性能の高い硬質樹脂材によって形成されている。具体的には、硬質ゴムが例示される。 Further, the panel support material 5 is preferably formed from a material harder than the heat insulating material 3, and in this embodiment, it is formed from a hard resin material that does not cause a heat bridge phenomenon and has high load-bearing performance. . Specifically, hard rubber is exemplified.

なお、パネル支持材５の形状は円柱状に限定されるものではなく、多角形の断面を備えた多角柱状などから適宜選択してもよい。 Note that the shape of the panel support material 5 is not limited to a cylindrical shape, and may be appropriately selected from a polygonal columnar shape with a polygonal cross section.

保護板６は、主に、架台８および架台８に設置される太陽光パネル等の構造物（図示しない）の重量による変形から断熱材３を保護するものであり、パネル支持材５により支持されているとともに断熱材３の上部に設置されている。本実施形態における保護板６は、アスファルトを主原料として砂粒などを混合した混合物により形成されている。パネル支持材５により支持されるとともに、構造物等による単位面積あたりの荷重を軽くするため、大きく隣接する２本の前記角波形凸状部２１，２１の外側の間隔に相当する幅よりも幅広の略正方形板状に形成されている。 The protection plate 6 mainly protects the heat insulating material 3 from deformation due to the weight of the mount 8 and a structure (not shown) installed on the mount 8, such as a solar panel, and is supported by the panel support material 5. It is installed on top of the heat insulating material 3. The protection plate 6 in this embodiment is made of a mixture of asphalt as a main raw material and sand grains and the like. In order to be supported by the panel support material 5 and to reduce the load per unit area due to structures etc., the width is wider than the width corresponding to the outer distance between the two adjacent rectangular corrugated convex portions 21, 21. It is formed into a roughly square plate shape.

補強パネル７は、架台８のベース板８１を固定するためのパネル材である。本実施形態の補強パネル７は、隣接する２本の前記角波形凸状部２１，２１の外側の間隔に相当する幅の正方形板状に形成されている。補強パネル７の厚さや素材の種類は、架台８や当該架台８により支持されるソーラーパネルなどの構造物の重量等に応じて適宜選択されるものであり、本実施形態では、厚さ４．３ｍｍの鋼板を用いている。 The reinforcing panel 7 is a panel material for fixing the base plate 81 of the pedestal 8. The reinforcing panel 7 of this embodiment is formed into a square plate shape with a width corresponding to the distance between the outer sides of the two adjacent rectangular corrugated convex portions 21, 21. The thickness and material type of the reinforcing panel 7 are appropriately selected depending on the weight of the pedestal 8 and the structure such as a solar panel supported by the pedestal 8, and in this embodiment, the thickness is 4. A 3mm steel plate is used.

また、本実施形態の補強パネル７は、断熱用ワッシャー１０によってルーフデッキプレート２の角波形凸状部２１の上面２２に固定するためのワッシャー固定穴７１が形成されている。ワッシャー固定穴７１は、設置孔４に嵌入されるパネル支持材５との干渉を避けるため、角波形凸状部２１の上面２２に対応する位置であって前記設置孔４とは異なる位置に、所定の間隔を隔てて複数形成されている。具体的は、図１および図２に示すように、パネル支持材５が角波形凸状部２１の上面２２において左右中央位置より外側に配置されているのに対し、ワッシャー固定穴７１は前記中央位置より内側の位置に開口されている。 Further, in the reinforcing panel 7 of this embodiment, a washer fixing hole 71 is formed for fixing the heat insulating washer 10 to the upper surface 22 of the rectangular corrugated convex portion 21 of the roof deck plate 2. The washer fixing hole 71 is located at a position corresponding to the upper surface 22 of the rectangular corrugated convex portion 21 and at a different position from the installation hole 4 in order to avoid interference with the panel support material 5 inserted into the installation hole 4. A plurality of them are formed at predetermined intervals. Specifically, as shown in FIGS. 1 and 2, the panel support member 5 is disposed on the upper surface 22 of the rectangular corrugated convex portion 21 outside the left-right center position, whereas the washer fixing hole 71 is located outside the center position. It is opened at a position inside the position.

断熱用ワッシャー１０は、補強パネル７を角波形凸状部２１に固定するためのワッシャーであって、特許第４２０８０９５号公報に記載の断熱用ワッシャーが例示される。この断熱用ワッシャー１０は、図４に示すように、略中央部に形成したファスナー１１を挿通させる挿通孔１０１と、この挿通孔１０１を底部に有するとともに、当該挿通孔１０１に挿通されたファスナー１１の頭部を収容し、かつ充填用断熱材を充填するための容量を有する凹状の中空収容部１０２と、この中空収容部１０２の上縁部に形成されたフランジ部１０３とを有する。ファスナー１１は、挿通孔１０１を介して断熱用ワッシャー１０を角波形凸状部２１の上面２２に締結固定するためのものであり、ドリルネジなどが例示される。本実施形態における断熱用ワッシャー１０は、図１に示すように、防水層９の下部に配置される。このとき中空収容部１０２はワッシャー固定穴７１を介して補強パネル７に貫通している。また、中空収容部１０２は断熱材３設置孔４とは異なる位置を通り、ファスナー１１によって角波形凸状部に固定されている。 The heat insulating washer 10 is a washer for fixing the reinforcing panel 7 to the rectangular corrugated convex portion 21, and is exemplified by the heat insulating washer described in Japanese Patent No. 4208095. As shown in FIG. 4, this heat insulating washer 10 has an insertion hole 101 formed approximately in the center through which the fastener 11 is inserted, and this insertion hole 101 at the bottom, and the fastener 11 inserted into the insertion hole 101. It has a concave hollow accommodating part 102 having a capacity for accommodating the head of the body and filling the filling insulation material, and a flange part 103 formed at the upper edge of the hollow accommodating part 102. The fastener 11 is for fastening and fixing the heat insulating washer 10 to the upper surface 22 of the square wave-shaped convex portion 21 through the insertion hole 101, and is exemplified by a drill screw. The heat insulating washer 10 in this embodiment is arranged below the waterproof layer 9, as shown in FIG. At this time, the hollow accommodating portion 102 penetrates the reinforcing panel 7 via the washer fixing hole 71. Further, the hollow housing portion 102 passes through a position different from the heat insulating material 3 installation hole 4, and is fixed to the rectangular corrugated convex portion by a fastener 11.

架台８は、建物の屋根上に太陽光パネル等の構造物を支持するために前記屋根上に設置されるものである。本実施形態における架台８は、図１に示すように、ベース板８１と、このベース板８１の上部に設けられた太陽光パネル等の構造物と連結する連結ボルト８２とを有する。当該架台８は、支持する構造物に応じて適宜選択されるものであり、本実施形態では、円形状のベース板８１を備えている。 The frame 8 is installed on the roof of a building to support a structure such as a solar panel on the roof. As shown in FIG. 1, the pedestal 8 in this embodiment includes a base plate 81 and a connecting bolt 82 connected to a structure such as a solar panel provided on the upper part of the base plate 81. The pedestal 8 is appropriately selected depending on the structure to be supported, and in this embodiment, it is provided with a circular base plate 81.

防水層９は、屋根構造の最上位置に設けられる防水性能を有する層であり、アスファルト素材や合成ゴム素材、プラスチック素材をシート状に加工したものが例示される。本実施形態における防水層９は、アスファルト素材からなる防水シートで構成されており、ベース板８１、補強パネル７、保護板６、断熱材３および断熱用ワッシャー１０などの、上面が露出している部分を覆うように設置し、接着剤により接着固定されている。接着剤は、特に限定されるものではないが、断熱性能を高められる接着剤を用いることが好ましく、本実施形態では、ウレタン樹脂系の接着剤が用いられている。 The waterproof layer 9 is a layer having waterproof performance that is provided at the top of the roof structure, and is exemplified by processing an asphalt material, a synthetic rubber material, or a plastic material into a sheet shape. The waterproof layer 9 in this embodiment is composed of a waterproof sheet made of asphalt material, and the upper surfaces of the base plate 81, the reinforcing panel 7, the protection plate 6, the heat insulating material 3, the heat insulating washer 10, etc. are exposed. It is installed to cover the area and fixed with adhesive. Although the adhesive is not particularly limited, it is preferable to use an adhesive that can improve heat insulation performance, and in this embodiment, a urethane resin adhesive is used.

次に、本実施形態の架台設置型断熱防水屋根構造体１の施工方法について説明する。 Next, a construction method of the frame-mounted insulating and waterproof roof structure 1 of this embodiment will be described.

架台設置型断熱防水屋根構造体１の施工方法は、新設される建物の屋根に架台設置型断熱防水屋根構造体１を施工する施工方法である。本実施形態の架台設置型断熱防水屋根構造体１の施工方法は、図５に示すように、角波形状のルーフデッキプレート２を設置するルーフデッキプレート設置工程と、前記ルーフデッキプレート２に板状の断熱材３を載置する断熱材載置工程と、断熱材３の設置孔４にパネル支持材５を嵌入するパネル支持材嵌入工程と、パネル支持材５が嵌入された断熱材３の上部に保護板６を設置する保護板設置工程と、保護板６の上部に補強パネル７を設置する補強パネル設置工程と、補強パネル７の上部に架台８のベース板８１を固定するベース板設置工程と、ベース板８１等の上に防水層９を設置する防水層設置工程とを有する。以下、各工程について説明する。 The method for constructing the pedestal type insulating and waterproof roof structure 1 is a method of constructing the pedestal type insulating and waterproof roof structure 1 on the roof of a newly constructed building. As shown in FIG. 5, the construction method of the frame-mounted insulating and waterproof roof structure 1 of this embodiment includes a roof deck plate installation step of installing a roof deck plate 2 having a rectangular wave shape, and a roof deck plate installation step in which a square wave-shaped roof deck plate 2 is installed. a heat insulating material mounting step in which a shaped heat insulating material 3 is placed; a panel supporting material fitting step in which a panel support material 5 is fitted into the installation hole 4 of the heat insulating material 3; and a heat insulating material 3 into which the panel support material 5 is fitted. A protection plate installation process of installing the protection plate 6 on the top, a reinforcement panel installation process of installing the reinforcement panel 7 on the top of the protection plate 6, and a base plate installation process of fixing the base plate 81 of the frame 8 on the top of the reinforcement panel 7. and a waterproof layer installation step of installing the waterproof layer 9 on the base plate 81 and the like. Each step will be explained below.

ルーフデッキプレート設置工程では、屋根の下地材として建物の屋根部に角波形状のルーフデッキプレート２を設置する。 In the roof deck plate installation process, a square wave-shaped roof deck plate 2 is installed on the roof of the building as a base material for the roof.

断熱材載置工程では、設置されたルーフデッキプレート２の角波形凸状部２１の上面２２に板状の断熱材３を載置する。本実施形態では、ルーフデッキプレート２の角波形凸状部２１の上面２２にウレタン樹脂系の接着剤を塗布し、その上部に硬質ウレタンフォームからなる板状の断熱材３を貼り付ける。このとき載置される断熱材３に予め複数の設置孔４が形成されている場合は、前記角波形凸状部２１の上面２２に当接する位置に貫通した前記設置孔４が配置されるように載置する。また、断熱材３に設置孔４が予め形成されていない場合は、断熱材載置工程の後に、載置された断熱材３に角波形凸状部２１の上面２２と当接する位置に貫通するように設置孔４を穿孔する設置孔開口工程を有していてもよい。 In the heat insulating material mounting step, a plate-shaped heat insulating material 3 is mounted on the upper surface 22 of the rectangular corrugated convex portion 21 of the installed roof deck plate 2. In this embodiment, a urethane resin adhesive is applied to the upper surface 22 of the rectangular corrugated convex portion 21 of the roof deck plate 2, and a plate-shaped heat insulating material 3 made of hard urethane foam is attached to the upper surface. If a plurality of installation holes 4 are formed in advance in the heat insulating material 3 to be placed at this time, the installation hole 4 penetrating through the square waveform convex portion 21 is arranged so as to contact the upper surface 22 of the rectangular waveform convex portion 21. Place it on. In addition, if the installation hole 4 is not formed in advance in the heat insulating material 3, after the step of placing the heat insulating material, the hole 4 is penetrated through the placed heat insulating material 3 at a position where it comes into contact with the upper surface 22 of the rectangular corrugated convex portion 21. It may also include an installation hole opening step of drilling the installation hole 4 as shown in FIG.

パネル支持材嵌入工程では、各設置孔４内にパネル支持材５を嵌入して角波形凸状部２１の上面２２に固定する。本実施形態では、角波形凸状部２１の上面２２や設置孔４の内周面にウレタン樹脂系の接着剤を塗布し、前記パネル支持材５を前記設置孔４に嵌入して前記角波形凸状部２１の上面２２に固定する。なお、接着剤はパネル支持材５の外周面に塗布して、それを設置孔４に嵌入して前記角波形凸状部２１の上面２２に固定するようにしてもよい。 In the panel support material insertion step, the panel support material 5 is inserted into each installation hole 4 and fixed to the upper surface 22 of the rectangular corrugated convex portion 21. In this embodiment, a urethane resin adhesive is applied to the upper surface 22 of the rectangular corrugated convex portion 21 and the inner peripheral surface of the installation hole 4, and the panel support material 5 is fitted into the installation hole 4 to form the rectangular corrugated portion. It is fixed to the upper surface 22 of the convex portion 21. Note that the adhesive may be applied to the outer circumferential surface of the panel support material 5, and then inserted into the installation hole 4 and fixed to the upper surface 22 of the square wave-shaped convex portion 21.

保護板設置工程では、複数のパネル支持材５の上部であって、かつ断熱材３の上部に保護板６を設置する。本実施形態では、パネル支持材５および断熱材３の上部にウレタン樹脂系の接着剤を塗布し、保護板６を載置して固定する。 In the protective plate installation step, the protective plate 6 is installed above the plurality of panel supporting members 5 and above the heat insulating material 3. In this embodiment, a urethane resin adhesive is applied to the upper part of the panel support material 5 and the heat insulating material 3, and the protection plate 6 is placed and fixed.

補強パネル設置工程では、保護板６の上部に補強パネル７を設置する。具体的には、保護板６の上面にウレタン樹脂系の接着剤を塗布し、その上部に補強パネル７を設置して接着固定する。また、本実施形態における補強パネル７は、断熱用ワッシャー１０とファスナー１１によって、角波形凸状部２１に締結固定される。具体的には、断熱用ワッシャー１０の中空収容部１０２を補強パネル７のワッシャー固定穴７１から断熱材３に設けられた穴内に収容する。そして、ファスナー１１を前記中空収容部１０２の底部に形成された挿通孔１０１に挿通させて、前記角波形凸状部２１の上面２２に締結固定する。これにより、補強パネル７は、断熱用ワッシャー１０のフランジ部１０３からの押圧を受けて前記角波形凸状部２１に強固に締結固定される。ここで、断熱性能を高めるため、前記中空収容部１０２内に充填用断熱材を収容させることが好ましい。 In the reinforcing panel installation step, the reinforcing panel 7 is installed on top of the protection plate 6. Specifically, a urethane resin adhesive is applied to the upper surface of the protection plate 6, and the reinforcing panel 7 is installed on top of the adhesive and fixed by adhesive. Further, the reinforcing panel 7 in this embodiment is fastened and fixed to the rectangular corrugated convex portion 21 using a heat insulating washer 10 and a fastener 11. Specifically, the hollow housing portion 102 of the heat insulating washer 10 is housed in the hole provided in the heat insulating material 3 through the washer fixing hole 71 of the reinforcing panel 7 . Then, the fastener 11 is inserted into the insertion hole 101 formed at the bottom of the hollow accommodating part 102 and fastened and fixed to the upper surface 22 of the square wave-shaped convex part 21. Thereby, the reinforcing panel 7 is firmly fastened and fixed to the square corrugated convex portion 21 under pressure from the flange portion 103 of the heat insulating washer 10. Here, in order to improve the heat insulation performance, it is preferable to house a filling heat insulating material in the hollow housing part 102.

ベース板設置工程では、補強パネル７の上部に架台８のベース板８１を固定する。本実施形態では、ベース板８１を補強パネル７の上部にボルト等により締結固定する。 In the base plate installation process, the base plate 81 of the pedestal 8 is fixed to the upper part of the reinforcing panel 7. In this embodiment, the base plate 81 is fastened and fixed to the upper part of the reinforcing panel 7 with bolts or the like.

防水層設置工程では、ベース板８１、補強パネル７、保護板６、断熱材３および断熱用ワッシャー１０の上を覆うように防水層９を設置する。本実施形態では、前記ベース板８１等の上面にウレタン樹脂系の接着剤を塗布し、その上にアスファルト素材からなるシート状の防水層９を貼り付ける。 In the waterproof layer installation step, the waterproof layer 9 is installed so as to cover the base plate 81, the reinforcing panel 7, the protection plate 6, the heat insulating material 3, and the heat insulating washer 10. In this embodiment, a urethane resin adhesive is applied to the upper surface of the base plate 81 and the like, and a sheet-like waterproof layer 9 made of an asphalt material is pasted thereon.

以上のような本実施形態の架台設置型断熱防水屋根構造体１およびこの施工方法によれば、以下に記載の作用および効果を奏することができる。
１．保護板６を設けることで、断熱材３が単位面積あたりの設置される架台８や太陽光パネル等の構造物の重量や構造物にかかる強風による負担を軽減することができるとともに、前記保護板６をパネル支持材６で支持することにより、構造物の重量等が直接的に断熱材３にかかり難くなり、前記断熱材３の変形や破損を防止することができる。
２．架台８を固定する補強パネル７を断熱用ワッシャー１０によってルーフデッキプレート２に締結固定しているため強風に耐え得ることができる。
３．ベース板８１等の上を覆うように防水層４を形成できるため、高い防水性能を備えることができる。
４．ＨＴ工法（登録商標）と同様の断熱処理および防水処理が可能であり、高い断熱性能および高い防水性能を維持しつつ、架台を設置することができる。 According to the pedestal-installed type heat-insulating waterproof roof structure 1 and its construction method of the present embodiment as described above, the functions and effects described below can be achieved.
1. By providing the protective plate 6, the heat insulating material 3 can reduce the weight of structures such as the mount 8 and solar panels per unit area and the burden of strong winds on the structure. By supporting the heat insulating material 6 with the panel support material 6, the weight of the structure is less likely to be applied directly to the heat insulating material 3, and deformation and damage to the heat insulating material 3 can be prevented.
2. Since the reinforcing panel 7 that fixes the pedestal 8 is fastened and fixed to the roof deck plate 2 by the heat insulating washer 10, it can withstand strong winds.
3. Since the waterproof layer 4 can be formed to cover the base plate 81 and the like, high waterproof performance can be provided.
4. The same heat insulation treatment and waterproof treatment as the HT construction method (registered trademark) are possible, and the frame can be installed while maintaining high heat insulation performance and high waterproof performance.

なお、本発明に係る架台設置型断熱防水屋根構造体およびこの施工方法は、前述した実施形態に限定されるものではなく、適宜変更することができる。例えば、断熱材３は、補強パネル７を固定する際に使用する断熱用ワッシャー１０やファスナー１１と同様の断熱用ワッシャー１０およびファスナー１１を用いて、角波形凸状部２１の上面２２に締結固定してもよい。 Note that the frame-mounted insulating and waterproof roof structure and the construction method thereof according to the present invention are not limited to the embodiments described above, and can be modified as appropriate. For example, the heat insulating material 3 is fastened and fixed to the upper surface 22 of the rectangular corrugated convex portion 21 using a heat insulating washer 10 and a fastener 11 similar to the heat insulating washer 10 and fastener 11 used when fixing the reinforcing panel 7. You may.

１ 架台設置型断熱防水屋根構造体
２ ルーフデッキプレート
３ 断熱材
４ 設置孔
５ パネル支持材
６ 保護板
７ 補強パネル
８ 架台
９ 防水層
１０ 断熱用ワッシャー
１１ ファスナー
２１ 角波形凸状部
２２ 上面
７１ ワッシャー固定穴
８１ ベース板
８２ 連結ボルト
１０１ 挿通孔
１０２ 中空収容部
１０３ フランジ部 1 Frame-mounted insulating and waterproof roof structure 2 Roof deck plate 3 Heat insulating material 4 Installation hole 5 Panel support material 6 Protective plate 7 Reinforcement panel 8 Frame 9 Waterproof layer 10 Heat insulating washer 11 Fastener 21 Square corrugated convex portion 22 Top surface 71 Washer Fixing hole 81 Base plate 82 Connection bolt 101 Insertion hole 102 Hollow housing part 103 Flange part

Claims (4)

架台を設置可能でかつ断熱性および防水性を備えた建物の屋根として用いられる架台設置型断熱防水屋根構造体であって、
前記屋根上に設置される角波形状のルーフデッキプレートと、
前記ルーフデッキプレートの角波形凸状部の上面に載置される板状の断熱材と、
前記断熱材において前記角波形凸状部の上面と当接する位置に貫通してなる設置孔と、
前記設置孔の内側に嵌入されるパネル支持材と、
前記パネル支持材により支持されつつ前記断熱材の上部に設置されて前記断熱材を保護する保護板と、
前記保護板の上部に設置される補強パネルと、
前記補強パネルの上部に固定される架台のベース板と、
前記ベース板、前記補強パネル、前記保護板および前記断熱材の上を覆うように設置される防水層とを有する、架台設置型断熱防水屋根構造体。 A pedestal-installed insulating and waterproof roof structure that can be used as a roof of a building and has heat insulation and waterproof properties, and is capable of installing a pedestal.
a square wave-shaped roof deck plate installed on the roof;
a plate-shaped heat insulating material placed on the top surface of the square corrugated convex portion of the roof deck plate;
an installation hole penetrating the heat insulating material at a position that abuts the upper surface of the rectangular corrugated convex portion;
a panel support material that is fitted inside the installation hole;
a protection plate that is supported by the panel support material and installed on top of the heat insulating material to protect the heat insulating material;
a reinforcing panel installed on the top of the protection plate;
a base plate of a pedestal fixed to the top of the reinforcing panel;
A frame-installed type heat-insulating waterproof roof structure comprising the base plate, the reinforcing panel, the protection plate, and a waterproof layer installed to cover the heat insulating material. 断熱用ワッシャーが、前記防水層の下部に配置され、前記補強パネルに貫通し、前記断熱材の前記設置孔とは異なる位置を通って前記角波形凸状部に固定されている、請求項１に記載の架台設置型断熱防水屋根構造体。 Claim 1: A heat insulating washer is disposed below the waterproof layer, penetrates the reinforcing panel, and is fixed to the square corrugated convex portion through a position different from the installation hole of the heat insulating material. The frame-mounted insulated waterproof roof structure described in . 前記パネル支持材が前記断熱材より硬質の硬質樹脂材からなる、請求項１または請求項２に記載の架台設置型断熱防水屋根構造体。 The pedestal-installed type heat-insulating waterproof roof structure according to claim 1 or 2, wherein the panel support material is made of a hard resin material that is harder than the heat insulating material. 架台を設置可能でかつ断熱性および防水性を備えた建物の屋根を施工するための架台設置型断熱防水屋根構造体の施工方法であって、
角波形状のルーフデッキプレートを設置するルーフデッキプレート設置工程と、
前記ルーフデッキプレートの角波形凸状部の上面に板状の断熱材を載置する断熱材載置工程と、
前記断熱材において前記角波形凸状部の上面と当接する位置に貫通して形成された設置孔にパネル支持材を嵌入するパネル支持材嵌入工程と、
前記パネル支持材上でかつ前記断熱材上に前記断熱材を保護する保護板を設置する保護板設置工程と、
保護板上に補強パネルを設置する補強パネル設置工程と、
補強パネル上に架台のベース板を固定するベース板設置工程と、
前記ベース板、前記補強パネル、前記保護板および前記断熱材の上に防水層を設置する防水層設置工程と
を有する、架台設置型断熱防水屋根構造体の施工方法。 A method for constructing a pedestal-installed insulating and waterproof roof structure for constructing a building roof that can be installed with a pedestal and has heat insulation and waterproof properties, the method comprising:
a roof deck plate installation process of installing a square wave shaped roof deck plate;
a heat insulating material placing step of placing a plate-shaped heat insulating material on the upper surface of the rectangular corrugated convex portion of the roof deck plate;
a panel support material insertion step of inserting the panel support material into an installation hole formed in the heat insulating material at a position that abuts the upper surface of the rectangular corrugated convex portion;
a protective plate installation step of installing a protective plate to protect the heat insulating material on the panel support material and on the heat insulating material;
a reinforcing panel installation process of installing a reinforcing panel on the protective plate;
a base plate installation process of fixing the base plate of the mount on the reinforcing panel;
A method for constructing a pedestal-mounted heat-insulating waterproof roof structure, comprising: installing a waterproof layer on the base plate, the reinforcing panel, the protection plate, and the heat insulating material.
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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008298281A (en) 2007-05-01 2008-12-11 Hokkai Giken Kogyo Kk Washer for insulation and insulating structure using the same
US20130074441A1 (en) 2011-09-23 2013-03-28 Vermont Slate & Copper Services, Inc. Roof mount assembly and method of mounting same
JP2014152548A (en) 2013-02-12 2014-08-25 Sekisui Chem Co Ltd Waterproof support structure and support anchor
JP2014185456A (en) 2013-03-22 2014-10-02 Jfe Metal Products & Engineering Inc Facility installing foundation of deck bed roof and construction method thereof
JP2016211247A (en) 2015-05-11 2016-12-15 アーキヤマデ株式会社 Other-object fixture
JP7350260B2 (en) 2020-01-21 2023-09-26 北開技研工業株式会社 Insulated waterproof roof structure and its construction method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008298281A (en) 2007-05-01 2008-12-11 Hokkai Giken Kogyo Kk Washer for insulation and insulating structure using the same
US20130074441A1 (en) 2011-09-23 2013-03-28 Vermont Slate & Copper Services, Inc. Roof mount assembly and method of mounting same
JP2014152548A (en) 2013-02-12 2014-08-25 Sekisui Chem Co Ltd Waterproof support structure and support anchor
JP2014185456A (en) 2013-03-22 2014-10-02 Jfe Metal Products & Engineering Inc Facility installing foundation of deck bed roof and construction method thereof
JP2016211247A (en) 2015-05-11 2016-12-15 アーキヤマデ株式会社 Other-object fixture
JP7350260B2 (en) 2020-01-21 2023-09-26 北開技研工業株式会社 Insulated waterproof roof structure and its construction method

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