JP2005180046A

JP2005180046A - Remodeling roof and its remodeling construction method

Info

Publication number: JP2005180046A
Application number: JP2003423374A
Authority: JP
Inventors: Ken Abe; 兼阿部; Kazuo Someya; 一夫染谷; Takaharu Moriya; 敬治森谷; Katsuji Mukai; 勝二向井
Original assignee: Sanko Metal Industrial Co Ltd
Current assignee: Sanko Metal Industrial Co Ltd
Priority date: 2003-12-19
Filing date: 2003-12-19
Publication date: 2005-07-07
Anticipated expiration: 2023-12-19
Also published as: JP4401160B2

Abstract

<P>PROBLEM TO BE SOLVED: To provide a remodeling roof and its remodeling construction method for easily and quickly constructing the remodeling roof, while minimizing preparatory construction such as a temporary scaffold and the spread of a safety net required in work on the rooftop, with an existing slate roof left as it is, in roof remodeling work. <P>SOLUTION: This remodeling roof is composed of the existing slate roof A of a cross-sectional waveform, a consecutive backing material B composed of a roof board receiving part 8, a placing part 6 and a locking object part 7 continuing in the longitudinal direction in a cross-sectional substantially gate shape, an installation piece C, and a new roof C. The through-backing material B is placed on the existing slate roof A. A locking part 12 of the installation piece C is locked on the locking object part of the through-backing material B. The installation piece C is fixed to the existing slate roof A via a hook bolt 5. This operation is successively repeated, to lay the new roof in the roof board receiving part 8. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

本発明は、屋根改修工事において、既設スレート屋根をそのままにするとともに、屋根上での作業時に必要となる仮設足場，安全ネット張り等の段取施工を最小限とし、且つ改修屋根の施工を簡易且つ迅速に行うことができる改修屋根及びその改修工法に関する。 In the present invention, in the roof renovation work, the existing slate roof is left as it is, the setup work such as temporary scaffolding and safety net installation required when working on the roof is minimized, and the construction of the renovated roof is simplified. In addition, the present invention relates to a repaired roof and a repair method that can be performed quickly.

屋根の改修において、工場，会社，駐車場等では、撤去時に粉塵等が立ち込めたり、取り外した屋根板材等の部品が落下したり、また、雨天の場合には設備、製品，自動車等に保護のためテント，天幕，カバー等の仮設家屋を設営しなければならない。さらに、最悪の場合には会社、工場等の操業及び使用を一時，中断することもあり、その間に生じる物的，金銭的な損失，損害は極めて甚大である。このため、最近では改修屋根の葺成において、既設スレート屋根はなるべく、そのまま残して、該既設スレート屋根上に新たなる屋根を施工することが一般的となっている。 When refurbishing roofs, in places such as factories, companies, parking lots, etc., dust may get trapped during removal, parts such as removed roofing boards may fall, and in case of rain, equipment, products, automobiles, etc. may be protected. Therefore, temporary houses such as tents, tents, and covers must be set up. Furthermore, in the worst case, the operation and use of the company, factory, etc. may be temporarily suspended, and the physical and monetary loss and damage that occur during that time are extremely severe. For this reason, recently, it has become common to construct a new roof on the existing slate roof while leaving the existing slate roof as much as possible in the formation of the repaired roof.

このように、老朽化した既設スレート屋根を改修して新設屋根板を葺成する場合には、以下の点に注意を要するものである。すなわち、改修時には、既設スレート屋根は、すでに劣化してもろくなって、比較的簡単に割れやすくなっている。このような既設スレート屋根の上に作業員が載って作業を行おうとすると、スレートが簡単に割れ、作業員にとっては極めて危険な作業環境である。また、建築物の内部で作業を行っている作業員も、落下物が当たる危険性がある。 Thus, when renovating an old slate roof and forming a new roof plate, the following points should be noted. That is, at the time of refurbishment, the existing slate roof has already become fragile and becomes relatively easy to break. When an operator tries to work on such an existing slate roof, the slate breaks easily, which is a very dangerous work environment for the worker. Also, workers who are working inside the building are at risk of falling objects.

したがって、高所での既設スレート屋根の改修工事は、作業員が既設スレート上に載っても落下しないように、十分な安全対策が講じられなければ工事に着手することができない。この為、既設スレート屋根上に工事用足場を作り、或いはネット張りを行い、且つ既設スレート屋根上を歩行するための歩行床（板）が必要である。その歩行床（板）は、図１８に示すように、既設スレート屋根の突出したボルト軸を利用して設置し、その設置された歩行床（板）上にネット張りが行われる。 Therefore, the renovation work for the existing slate roof at a high place cannot be started unless sufficient safety measures are taken so that workers do not fall even if they are placed on the existing slate. For this reason, a walking floor (board) is required for making a construction scaffold on the existing slate roof or netting and walking on the existing slate roof. As shown in FIG. 18, the walking floor (plate) is installed using a protruding bolt shaft of an existing slate roof, and netting is performed on the installed walking floor (plate).

また、前述したように、建築物の内部で作業を行っているので、作業員及び設備，製造物等に落下物が当たらないようにするために、なるべく部品点数が少ないものであることが好ましい。さらに、屋根板材や壁板材を支持するための部品である受金具は、下記特許文献１に記載されたものが、従来より使用されているが、このような受金具は構造材に溶接等にて固着することが多く、そのために工程が多くなりがちであった。
特開平８−３０２９１６号 In addition, as described above, since the work is performed inside the building, it is preferable that the number of parts is as small as possible in order to prevent falling objects from hitting workers, equipment, products, and the like. . Furthermore, as for the metal fitting which is a part for supporting a roof board material and a wall board material, what was described in following patent document 1 is used conventionally, but such a metal fitting is used for welding etc. to a structural material. Therefore, the number of processes tends to increase.
JP-A-8-302916

このように、既設スレート屋根を残したままの状態で新設屋根を葺成する場合には既設スレート屋根の母屋，胴縁等の構造材及び既設スレート屋根を固定しているフックボルトをなるべく利用している。まず、新設屋根の施工にあたり、仮設足場を組む場合の問題点として、改修工事業者とは別に専門業者がその施工に当たるものであった。そのため、仮設足場を施工する間は本来の新設屋根の改修工事は行うことができず、その分長い工期を必要とせざるを得なくなる。 In this way, when forming a new roof with the existing slate roof remaining, the main building of the existing slate roof, structural materials such as the trunk edge, and hook bolts fixing the existing slate roof are used as much as possible. ing. First of all, as a problem when constructing a temporary scaffold for the construction of a new roof, a special contractor was involved in the construction separately from the repair contractor. Therefore, while the temporary scaffolding is being constructed, the original new roof cannot be repaired, and a longer construction period is required.

このような仮設足場は極めて専門的な技術が必要で、改修工事業者が行うには余りにも負担がかかるものである。また、作業者は足場から２０〜４０cm下にある既設スレート屋根に向い作業することになり、その作業性は非常に劣る。仮設足場の施工及び改修工事を行っている間は、既設スレート屋根上に作業員が載ってしまうこともあり、スレートが割れて建築物内に落下する危険性も十分にあるので、このような危険性を防止するためにも室内側にも防護策が必要となる。次に、ネットを張る場合の問題点としては、前述の仮設足場の施工と同様に改修工事業者とは別の専門業者が行うことになり、前述した仮設足場の施工とネット張り作業により、屋根改修工事の工期は、さらに長くなるものであった。 Such temporary scaffolds require very specialized skills and are too burdensome for refurbishment contractors to do. Moreover, an operator will work toward the existing slate roof 20-40 cm below a scaffold, and the workability | operativity is very inferior. While temporary scaffolding construction and renovation work are underway, workers may be placed on the existing slate roof, and there is a risk that the slate will break and fall into the building. Protective measures are also required on the indoor side to prevent danger. Next, as for the problem when installing a net, a specialist other than the refurbishment contractor will perform the same as the construction of the temporary scaffold described above. The construction period of the renovation work was even longer.

改修工事において、作業員は、たとえネットがあるとはいえ、スレート上に載ることは極めて危険であるため、ネット上の流れ方向及びその直角方向に歩行床（板）の設置が必要である。そして、その部分の工事が終了すると、設置していた歩行床（板）を取り外し、また次の工事場所に歩行床を設置する必要がある。また、ネット張り作業中又は改修工事中に、スレートに作業員の足が載り、スレートが割れて落下するのを防止するため、建築物の室内側にも防護策が必要となり、この工事もまた、専門業者を必要とする。 In the renovation work, even if there is a net, it is extremely dangerous for an operator to get on the slate, so it is necessary to install a walking floor (board) in the flow direction on the net and in the direction perpendicular thereto. Then, when the construction of the part is completed, it is necessary to remove the walking floor (board) that has been installed and install the walking floor at the next construction site. Also, in order to prevent workers' feet from being placed on the slate during the net work or renovation work, and to prevent the slate from cracking and falling, a protective measure is also required on the indoor side of the building. Need a professional contractor.

また、改修屋根の施工として、旧スレート屋根（既設スレート屋根）から突き出たフックボルトを利用して新設屋根を葺く為に、図１８に示す従来技術のように、予め通し下地材に貫通孔を設け、それにフックボルトを通す工法が存在する。しかし、実際には、既設スレート屋根においてフックボルトが規則正しく配列されていないことが多く、通し下地材に予め穿孔された貫通孔とフックボルトの位置が合わず、事前にフックボルト位置を実測し、手作業中心によって貫通孔を設けるが、更にそれだけでは不十分であることが多く、施工現場では貫通孔を大きくして孔位置を拡げる等の追加作業を行うことが多々あり、施工能率が極めて悪いものである。 In addition, in order to construct a new roof using a hook bolt protruding from an old slate roof (existing slate roof) as a construction of the repaired roof, a through-hole is previously formed in the base material as shown in FIG. There is a construction method in which a hook bolt is passed through. However, in practice, the hook bolts are often not regularly arranged on the existing slate roof, and the positions of the through holes and the hook bolts previously drilled in the through base material do not match, and the hook bolt positions are measured in advance, Although a through hole is provided by the center of manual work, it is often insufficient, and there are many additional operations such as enlarging the through hole and expanding the hole position at the construction site, and the construction efficiency is extremely poor. Is.

また、新設屋根は、一般には受金具を通して通し下地材にボルト締めをするものが多いが、この受金具の数は多数であり、現場でこれら受金具をセットするのは大変な時間を要することになる。しかし、この受金具を使用しないと、新設屋根を施工するときにボルト締め時に、新設屋根の山部頂部が僅かに潰れてしまうことがある。また、断面強度を大きくすれば、コストアップになることになる。 In addition, many new roofs are generally bolted to the base material through the brackets, but the number of these brackets is large, and it takes a lot of time to set these brackets on site. become. However, if this bracket is not used, the top of the mountain portion of the new roof may be slightly crushed when bolted when constructing the new roof. Further, increasing the cross-sectional strength increases the cost.

特許文献１（特開平８−３０２９１６号）には、上記のような欠点が含まれている。すなわち、山部３ａの止着具５を利用して吊子体２が形成された帯板６をスレート屋根材上に装着している。このときに、帯板には、前記止着具５のための穴６ａが形成されているが、この穴６ａのピッチと、前記止着具５の装着ピッチが現場にて一致しないことが多い。しかも、このような止着具５，５，…は、大面積の屋根には多数存在することが多く、ピッチの不一致による穴６ａの修正作業は大変な追加工事となり、施工効率が低下するものであった。本発明の課題（技術的課題又は目的）は、既設スレート屋根の改修工事を行うにおいて、屋根改修工事業者以外の仮設足場及びネット張り等の段取施工を最小限に抑え、屋根改修工事を極めて簡単なものとし、迅速且つ効率的に行うようにし、ひいては工期を短くすることにある。 Patent Document 1 (Japanese Patent Laid-Open No. 8-302916) includes the above-described drawbacks. That is, the band plate 6 on which the hanging body 2 is formed is mounted on the slate roofing material using the fastener 5 of the mountain portion 3a. At this time, a hole 6a for the fastening device 5 is formed in the band plate, but the pitch of the hole 6a and the mounting pitch of the fastening device 5 often do not coincide with each other on site. . Moreover, there are many such fasteners 5, 5,... In a large area roof, and the correction work for the holes 6 a due to the mismatch of the pitch is a great additional work, which reduces the construction efficiency. Met. The problem (technical problem or purpose) of the present invention is that, when repairing existing slate roofs, temporary scaffolding other than roof repair contractors and setup work such as netting are minimized, and roof repair work is extremely difficult. It is to make it simple, to make it quick and efficient, and to shorten the construction period.

そこで発明者は、前記課題を解決すべく、鋭意，研究を重ねた結果、その発明を、断面波形状の既設スレート屋根と、通し下地材と、前記既設スレート屋根のフックボルトを介して固定される取付ピースと、前記屋根板受部に葺成される新設屋根とからなり、前記既設スレート屋根上に前記通し下地材が載置され、該通し下地材が前記取付ピースにて前記既設スレート屋根に固定され、これが順次繰り返され、前記通し下地材に前記新設屋根が葺成されてなる改修屋根としたことにより、上記課題を解決したものである。 Therefore, as a result of earnest and research, the inventor has fixed the invention through the existing slate roof having a cross-sectional wave shape, the through base material, and the hook bolt of the existing slate roof. An installation piece and a new roof formed on the roof plate receiving portion, and the through base material is placed on the existing slate roof, and the through base material is installed on the existing slate roof by the attachment piece. The above problem is solved by adopting a modified roof in which the new roof is formed on the through base material.

次に、断面波形状の既設スレート屋根と、断面略門形状で長手方向に沿って連続する屋根板受部と，該屋根板受部の幅方向一方側下端箇所に形成された略平坦状の載置部と，前記屋根板受部の幅方向他方側下端箇所に形成された被係止部とからなる通し下地材と、前記被係止部に係止する係止部が形成され，且つ前記既設スレート屋根のフックボルトを介して固定される取付ピースと、前記屋根板受部に葺成される新設屋根とからなり、既設スレート屋根上に通し下地材が載置され、該通し下地材の被係止部に前記取付ピースの係止部が係止されるとともに前記取付ピースが前記フックボルトを介して既設スレート屋根に固定され、これが順次繰り返され、前記屋根板受部に新設屋根が葺成されてなる改修屋根としたことにより、上記課題を解決したものである。 Next, an existing slate roof having a cross-sectional wave shape, a roof plate receiving portion that is substantially gate-shaped in cross section and continuous in the longitudinal direction, and a substantially flat shape formed at a lower end portion on one side in the width direction of the roof plate receiving portion. A through base material composed of a placing portion and a locked portion formed at a lower end portion on the other side in the width direction of the roof plate receiving portion, a locking portion locked to the locked portion is formed, and The mounting piece fixed through hook bolts of the existing slate roof and a new roof formed on the roof plate receiving portion, and a base material is placed on the existing slate roof, the through base material The locking portion of the mounting piece is locked to the locked portion, and the mounting piece is fixed to the existing slate roof via the hook bolt, and this is repeated sequentially, and the new roof is formed on the roof plate receiving portion. By adopting a renovated roof that has been formed, Is that persists.

次に前述の構成において、幅方向の両端側に被係合部が形成された渡し板材が具備され、該渡し板材の一方側の被係合部が前記通し下地材間の載置部先端箇所に形成された係合部に係合され、前記渡し板材の他方側の被係合部が前記取付ピースに形成された係合部に係合され、前記渡し板材が長手方向に摺動自在且つ撤去可能に装着されてなる改修屋根としたことにより、上記課題を解決したものである。 Next, in the above-described configuration, there is provided a passing plate material in which engaged portions are formed on both ends in the width direction, and the engaged portion on one side of the passing plate material is a front end portion of the placing portion between the through base materials. And the engaged portion on the other side of the transfer plate material is engaged with the engagement portion formed on the mounting piece, and the transfer plate material is slidable in the longitudinal direction and By renovating the roof so that it can be removed, the above problem is solved.

次に、前述の構成において、前記渡し板材には長手方向に沿って略溝状の補強部が形成されてなる改修屋根としたことにより、上記課題を解決したものである。また、前記新設屋根を構成する新設屋根板は山形部が所定間隔に連続する折板屋根板とし、その隣接する折板屋根板の山形部同士が重合連結され、前記山形部の頂片箇所と通し下地材とが固着具を介して固定されてなる改修屋根としたことにより上記課題を解決したものである。 Next, in the above-described configuration, the above-described problem is solved by providing a modified roof in which a substantially groove-shaped reinforcing portion is formed in the longitudinal direction on the transfer plate material. Further, the new roof plate constituting the new roof is a folded plate roof plate in which the mountain-shaped portions are continuous at a predetermined interval, and the mountain-shaped portions of the adjacent folded plate roof plates are connected together, and the top piece location of the mountain-shaped portion is The above-described problem is solved by using a modified roof in which the through base material is fixed through a fixing tool.

次に、既設スレート屋根の弧状山形部の長手方向に通し下地材の長手方向を直交させて載置し、取付ピースの係止部を前記通し下地材の被係止部に係止させつつ、前記取付ピースを前記既設スレート屋根の弧状山形部箇所から突出するフックボルトの突出部位置に合わせて締付固定するとともに、前記通し下地材を既設スレート屋根に固定し、前記通し下地材の長手方向に沿って形成された屋根板受部に直交するようにして新設屋根板を配置固定して新設屋根を葺成してなる改修屋根の改修工法としたことにより、上記課題を解決したものである。 Next, the longitudinal direction of the base material is placed perpendicular to the longitudinal direction of the arcuate chevron of the existing slate roof, and the locking part of the mounting piece is locked to the locked part of the through base material, The mounting piece is fastened and fixed in accordance with the position of the projecting portion of the hook bolt projecting from the arcuate chevron portion of the existing slate roof, and the threading base material is fixed to the existing slate roof, and the longitudinal direction of the threading base material The above-mentioned problem has been solved by adopting a repair method for a repaired roof formed by arranging and fixing a new roof plate so as to be orthogonal to the roof plate receiving part formed along .

次に、前述の改修工法において、隣接する通し下地材間に渡し板材を配置し、該渡し板材の幅方向一端側を前記通し下地材の係合部に係合し、前記渡し板材の他端側を前記既設スレート屋根のフックボルト箇所に固定する取付ピースの係合部に係合させ、前記渡し板材を前記通し下地材の長手方向に沿って移動自在とし、前記渡し板材を新設屋根の葺成方向に、沿って移動させ新設屋根の葺成完了に伴って撤去してなる改修屋根の改修工法としたことにより、上記課題を解決したものである。 Next, in the above-described repair method, a passing plate material is disposed between adjacent through base materials, one end in the width direction of the passing plate material is engaged with the engaging portion of the through base material, and the other end of the passing plate material The side plate is engaged with the engaging part of the mounting piece that fixes the hook bolt portion of the existing slate roof, the transfer plate material is movable along the longitudinal direction of the through base material, The above problem has been solved by adopting a repair method for a repaired roof that is moved along the direction of construction and removed along with the completion of the formation of a new roof.

請求項１の発明によれば、既設スレート屋根に新設屋根を簡易且つ迅速に葺成することができる。また、請求項２の発明によれば、足場、ネット等を必要とせずに、工事現場にてほとんど加工作業をすることなく、既設スレート屋根に新設屋根を簡易且つ迅速に葺成することができる。また、請求項３の発明によれば、新設屋根の施工時においては、前記渡し板材が作業員のための作業用通路としたり、或いは道具のストックヤード（置き場所）にすることができる。請求項４の発明によれば、渡し板材の力学的強度が向上し、より一層，作業の安全をはかることができる。請求項５の発明によれば、新設屋根の施工をより一層簡易且つ迅速に行うことができる。請求項６の発明によれば、施工作業を極めて効率的に行うことができる。請求項７の発明によれば、より一層作業の安全性を確保することができるものである。 According to the invention of claim 1, a new roof can be easily and quickly formed on an existing slate roof. In addition, according to the invention of claim 2, a new roof can be easily and quickly formed on an existing slate roof without requiring a scaffold, a net, or the like and hardly performing a processing operation at a construction site. . According to the invention of claim 3, when the new roof is constructed, the transfer plate material can be used as a work passage for workers, or can be used as a stock yard (place) for tools. According to the invention of claim 4, the mechanical strength of the transfer plate material is improved, and the work safety can be further enhanced. According to invention of Claim 5, construction of a new roof can be performed still more easily and rapidly. According to invention of Claim 6, construction work can be performed very efficiently. According to the invention of claim 7, the safety of work can be further secured.

以下、本発明の実施例を図面に基づいて説明する。まず、改修屋根の構造を説明する。図１乃至図４は、本発明における改修屋根の構造を示している。その既設スレート屋根Ａは、スレート等でその断面形状が、図２，図３等に示すように、略サインカーブ状の波形に形成されており、実際には複数のスレート屋根材Ａ₁，Ａ₁，…より構成されている。ここで、前記既設スレート屋根Ａは、その高さ方向の中央より上方側を弧状山形部１とし、また下方側を弧状谷部２と称する。その既設スレート屋根Ａは、図３に示すように、弧状谷部２箇所が母屋等の構造材４上に固定されたフックボルト５，５，…にて固定されている。 Embodiments of the present invention will be described below with reference to the drawings. First, the structure of the modified roof will be described. 1 to 4 show the structure of a modified roof according to the present invention. The existing slate roof A is a slate or the like, and its cross-sectional shape is formed into a substantially sinusoidal waveform as shown in FIGS. 2 and 3, etc., and actually a plurality of slate roof materials A ₁ , A _It consists of ₁ , ... Here, in the existing slate roof A, the upper side from the center in the height direction is referred to as an arc-shaped mountain portion 1, and the lower side is referred to as an arc-shaped valley portion 2. As shown in FIG. 3, the existing slate roof A is fixed by hook bolts 5, 5,... Fixed at two arc-shaped valley portions on a structural material 4 such as a purlin.

前記構造材４は、具体的には、図２，図４等に示すように、アングル鋼等の略「Ｌ」字形状の形鋼材が使用されているが、その他に断面略「Ｃ」字形状のリップ溝形鋼等が使用されている。そして、フックボルト５は、図４に示すように、略Ｊ字形状であり、ボルト軸部５ａ，フック部５ｂ及び既設ナット５ｃから構成されている。そして、アングル形鋼等とした構造材４の下縁箇所に前記フック部５ｂが引掛けられ、ボルト軸部５ａの軸上端箇所が前記既設スレート屋根Ａの弧状山形部１の頂部を貫通し、該弧状山形部１の頂部側から前記既設ナット５ｃにより締め付けられて、前記スレート屋根材Ａ₁が構造材４に固定される。 Specifically, as shown in FIG. 2, FIG. 4 and the like, the structural material 4 uses a substantially “L” -shaped steel material such as angle steel. The shape of lip groove steel is used. As shown in FIG. 4, the hook bolt 5 has a substantially J shape, and includes a bolt shaft portion 5 a, a hook portion 5 b, and an existing nut 5 c. Then, the hook portion 5b is hooked on the lower edge portion of the structural material 4 made of angle shaped steel or the like, and the shaft upper end portion of the bolt shaft portion 5a passes through the top portion of the arcuate mountain portion 1 of the existing slate roof A, The slate roof material A ₁ is fixed to the structural material 4 by being fastened by the existing nut 5 c from the top side of the arcuate chevron 1.

次に、通し下地材Ｂは、図１乃至図４等に示すように、前記既設スレート屋根Ａの上方に新設屋根Ｄを葺成するための支持部材としての役目をなす。その通し下地材Ｂは、金属薄板材から形成され、その長手方向に沿って長尺となる部材であり、主に載置部６と，被係止部７，屋根板受部８及び係合部９とから構成されている。その屋根板受部８は、上方に膨出形成され、且つ断面略門形且つ長手方向に連続するものであり、後述する新設屋根Ｄを構成する新設屋根板Ｄ₁を支持する母屋的な役目をなす部位である。前記屋根板受部８の長手方向に直交する方向の断面形状は、略台形門形状に形成され、その頂部８ａの幅方向一方の立上り側面８ｂが略垂直状であり、前記頂部８ａの幅方向他方の立上り側面８ｂは対向する前記立上り側面８ｂに対して下方に向かうに従い拡開するように傾斜状に形成され、断面係数が大きくなるような形状としている。 Next, the through base material B serves as a support member for forming a new roof D above the existing slate roof A, as shown in FIGS. The through base material B is a member that is formed from a thin metal plate and is elongated along the longitudinal direction thereof, and mainly includes a placement portion 6, a locked portion 7, a roof plate receiving portion 8, and an engagement. Part 9. The roof plate receiving portion 8 is formed to bulge upward, has a substantially gate-shaped cross section and is continuous in the longitudinal direction, and serves as a main building that supports the new roof plate D ₁ constituting the new roof D to be described later. It is the part which makes. The cross-sectional shape in the direction orthogonal to the longitudinal direction of the roof plate receiving portion 8 is formed in a substantially trapezoidal gate shape, one rising side surface 8b in the width direction of the top portion 8a is substantially vertical, and the width direction of the top portion 8a. The other rising side surface 8b is formed in an inclined shape so as to expand toward the lower side with respect to the opposed rising side surface 8b, and has a shape that increases the section modulus.

前記屋根板受部８の一方側の立上り側面８ｂの下端より水平方向に載置部６が連続形成され、他方側の立上り側面８ｂの下端から水平方向に被係止部７が形成されている。前記載置部６は、略平坦状に形成されたものであり、後述する新設屋根Ｄの葺成作業を行う場合に、足の踏み台の役目や、作業通路としての役目をなすことがある。また、前記載置部６の外端には、図５（Ａ）に示すように、係合部９が形成されており、後述する渡し板材１０の被係合部と係合する部位となっている。その係合部９の形状は、前記載置部６の外端箇所より上方に断面略円弧状に折り返し形成された部位である。 The placing portion 6 is continuously formed in the horizontal direction from the lower end of the rising side surface 8b on one side of the roof plate receiving portion 8, and the locked portion 7 is formed in the horizontal direction from the lower end of the rising side surface 8b on the other side. . The placement section 6 is formed in a substantially flat shape, and may serve as a footrest or as a work passage when performing a construction work for a new roof D described later. Further, as shown in FIG. 5 (A), an engaging portion 9 is formed at the outer end of the placing portion 6 described above, and becomes a portion that engages with an engaged portion of a transfer plate member 10 to be described later. ing. The shape of the engaging portion 9 is a portion that is folded back in a substantially circular arc shape above the outer end portion of the mounting portion 6.

前記被係止部７は、前記立上り側面８ｂの下端より水平方向に平坦状に形成された下部面７ａと、被係止突起条７ｂとから構成される。前記下部面７ａは、前記載置部６と略同一面となる位置に形成され、被係止突起条７ｂはその下部面７ａより上方に向かって膨出形成されたものである。その被係止突起条７ｂは、具体的には断面略平行四辺形状に形成されたものであり、被係止頂部７ｂ₁と被係止立上り面７ｂ₂及び端部傾斜面７ｂ₃から構成され、その被係止立上り面７ｂ₂は、図５（Ａ）に示すように、前記屋根板受部８側に向かって傾斜するように形成されている。この被係止部７は、後述する取付ピースＣの係止部１２によって係止される部位である。 The locked portion 7 is composed of a lower surface 7a formed flat in the horizontal direction from the lower end of the rising side surface 8b, and a locked protrusion 7b. The lower surface 7a is formed at a position that is substantially flush with the mounting portion 6, and the locking protrusion 7b is formed to bulge upward from the lower surface 7a. As the locking projection strip 7b is specifically has been formed in a substantially parallelogram shape, it consists Hikakaritomeitadaki portion 7b ₁ and the locked rising surface 7b ₂ and an end inclined surface 7b ₃ As shown in FIG. 5A, the locked rising surface 7b ₂ is formed so as to be inclined toward the roof plate receiving portion 8 side. This to-be-latched part 7 is a site | part latched by the latching | locking part 12 of the attachment piece C mentioned later.

その通し下地材Ｂは、その長手方向が前記既設スレート屋根Ａの各弧状山形部１の長手方向と直交（略直交も含む）するようにして、既設スレート屋根Ａ上に配置される。このとき、通し下地材Ｂの長手方向は、既設スレート屋根Ａの複数の弧状山形部１，１，…に亘り載置される。このようにして、複数の通し下地材Ｂ，Ｂ，…は、前記既設スレート屋根Ａ上に所定間隔をおいて並設されるものである。 The through base material B is disposed on the existing slate roof A such that the longitudinal direction thereof is orthogonal (including substantially orthogonal) to the longitudinal direction of each arcuate mountain-shaped portion 1 of the existing slate roof A. At this time, the longitudinal direction of the through base material B is placed over the plurality of arcuate mountain-shaped portions 1, 1,... Of the existing slate roof A. In this way, the plurality of through base materials B, B,... Are arranged in parallel on the existing slate roof A with a predetermined interval.

次に、取付ピースＣは、図１０に示すように、取付基部１１の長手方向一端側に係止部１２が形成され、長手方向他端側に係合部１３が形成されている。前記取付基部１１は、略平板状に形成されており、平面より見てその中央箇所には、取付孔１４が形成されている。該取付孔１４は、前記既設スレート屋根Ａのフックボルト５の先端が貫通する部位であり、取付基部１１の長手方向に沿って延長する長孔状に形成されることが好ましく、取付ピースＣの長手方向に沿って位置の微調整ができるようになっている。 Next, as shown in FIG. 10, the attachment piece C has a locking portion 12 formed on one end side in the longitudinal direction of the mounting base portion 11 and an engaging portion 13 formed on the other end side in the longitudinal direction. The mounting base portion 11 is formed in a substantially flat plate shape, and a mounting hole 14 is formed at a central portion when viewed from the plane. The mounting hole 14 is a portion through which the tip of the hook bolt 5 of the existing slate roof A passes, and is preferably formed in a long hole shape extending along the longitudinal direction of the mounting base 11. The position can be finely adjusted along the longitudinal direction.

また、取付基部１１及び係止部１２の幅方向両側箇所には、補強用リブ１５ａが形成され、さらに幅方向両端には、補強用立上り部１５ｂが形成されている。前記補強用リブ１５ａは、断面略半円状に形成されたものであり取付基部１１の幅方向両側に、２本形成されている。また補強用立上り部１５ｂは、取付基部１１及び係止部１２に亘って幅方向両端から上方に向かって屈曲形成されたものである。前記係止部１２は、前記取付基部１１の長手方向の端部より略円弧状の係止段片１２ａが屈曲形成され、その外方に向かって平坦状の係止上面１２ｂが形成され、該係止上面１２ｂの外端から下向き且つ前記取付基部１１側に向かって係止端縁１２ｃが形成されている。そして、前記係止段片１２ａ，係止上面１２ｂ及び係止端縁１２ｃによって断面略平行四辺形状に形成され、図４（Ａ），（Ｂ）に示すように、前記通し下地材Ｂの被係止部７を覆うように係止することができる形状となっている。 Reinforcing ribs 15a are formed at both sides in the width direction of the mounting base 11 and the locking portion 12, and further, rising portions 15b for reinforcing are formed at both ends in the width direction. The reinforcing ribs 15 a are formed in a substantially semicircular cross section, and two reinforcing ribs 15 a are formed on both sides in the width direction of the mounting base 11. The reinforcing rising portion 15b is formed to bend upward from both ends in the width direction over the attachment base portion 11 and the locking portion 12. The locking portion 12 is formed with a substantially arc-shaped locking step 12a bent from the longitudinal end of the mounting base 11, and a flat locking upper surface 12b is formed outward. A locking edge 12c is formed downward from the outer end of the locking upper surface 12b and toward the mounting base 11 side. Then, the engaging step 12a, the engaging upper surface 12b and the engaging end edge 12c are formed into a substantially parallelogram in cross section, and as shown in FIGS. It has a shape that can be locked so as to cover the locking portion 7.

さらに、前記係合部１３は、前記取付基部１１の長手方向端部から一段下がるようにして係合段部１３ａが形成され、該係合段部１３ａの下端から係合底面１３ｂが形成され、該係合底面１３ｂから上方に係合立上り片１３ｃが形成されている。さらに、該係合底面１３ｂの上端より内方側に向かって水平状に係合端縁１３ｄが形成されている。該係合部１３には、後述する渡し板材１０の被係合部１０ｂが係合する部位となっている。 Further, the engaging portion 13 is formed with an engaging step portion 13a so as to be lowered by one step from the longitudinal end portion of the mounting base portion 11, and an engaging bottom surface 13b is formed from the lower end of the engaging step portion 13a. An engagement rising piece 13c is formed upward from the engagement bottom surface 13b. Further, an engagement edge 13d is formed horizontally from the upper end of the engagement bottom surface 13b toward the inward side. The engaging portion 13 is a portion with which an engaged portion 10b of a later-described transfer plate member 10 is engaged.

次に、渡し板材１０は、前記既設スレート屋根Ａ上に並設された通し下地材Ｂに隣接して配置されるものである。その渡し板材１０は、図９（Ｂ）に示すように、渡し主板１０ａの幅方向両側に前記通し下地材Ｂの載置部６の先端に形成された係合部に係合することができる被係合部１０ｂ，１０ｂが形成されている。また、前記渡し主板１０ａには、長手方向に沿って複数の補強部１０ｃ，１０ｃ，…が形成されて補強され、渡し板材１０の力学的強度を向上させるものである。その補強部１０ｃは、断面略逆門形状に形成され、渡し板材１０の幅方向寸法に応じて適正な数だけ形成される。 Next, the delivery board | plate material 10 is arrange | positioned adjacent to the through base material B arranged in parallel on the said existing slate roof A. As shown in FIG. As shown in FIG. 9B, the transfer plate member 10 can be engaged with engagement portions formed at the front end of the placement portion 6 of the through base material B on both sides in the width direction of the transfer main plate 10a. Engaged portions 10b and 10b are formed. In addition, a plurality of reinforcing portions 10c, 10c,... Are formed along the longitudinal direction on the transfer main plate 10a to be reinforced, thereby improving the mechanical strength of the transfer plate material 10. The reinforcing portions 10c are formed in a substantially inverted gate shape in cross section, and are formed in an appropriate number according to the width direction dimension of the transfer plate material 10.

前記両被係合部１０ｂ，１０ｂは、断面略コ字形状及び逆コ字形状に形成され、前記通し下地材Ｂの載置部６の先端に形成された係合部９と、前記取付ピースＣに形成された係合部１３とにそれぞれ係合連結される。なお、通し下地材Ｂと渡し板材１０とのその他の係合構造としては、上記タイプに限定されるものではなく、馳折り係合タイプ，嵌合タイプ，差込み係合タイプ等の種々の形状が存在する。 The engaged parts 10b, 10b are formed in a substantially U-shaped and inverted U-shaped cross section, and an engaging part 9 formed at the tip of the placing part 6 of the through base material B, and the mounting piece C is engaged and connected to the engaging portion 13 formed in C. The other engagement structure between the through base material B and the transfer plate member 10 is not limited to the above type, and various shapes such as a folding engagement type, a fitting type, and a plugging engagement type are available. Exists.

また、その渡し板材１０は、前記通し下地材Ｂに対して長手方向に沿って移動自在となっており、且つ新設屋根Ｄの葺成が完了するとともに既設スレート屋根Ａ及び新設屋根Ｄの施工完了箇所から随時，隣の新たな新設屋根施工部位へ移動させるものである。この移動自在となる構造では、渡し板材１０の両被係合部１０ｂ，１０ｂと前記通し下地材Ｂの係合部９及び取付ピースＣの係合部１３との係合箇所で相互に摺動することができるように接触している。そして、前記通し下地材Ｂ上に施工される新設屋根Ｄの葺成方向とともに渡し板材１０が移動することができるようにしたものである。このような構造としているので、新設屋根Ｄの葺成作業の最終位置で、その渡し板材１０が通し下地材Ｂ及び取付ピースＣから取り外される。すなわち、新設屋根Ｄの葺成完了時には、渡し板材１０は、改修屋根に存在しない。しかし、この渡し板材１０が新設屋根Ｄの葺成完了とともに取り外されず、そのまま新設屋根Ｄとともに残しておいてもかまわない。 Further, the transfer plate 10 is movable along the longitudinal direction with respect to the through base material B, and the formation of the new roof D is completed and the construction of the existing slate roof A and the new roof D is completed. From time to time, it is moved to a new construction site next to the new roof. In this movable structure, the sliding portions mutually slide at the engaging portions of the engaged portions 10b and 10b of the transfer plate member 10 and the engaging portion 9 of the through base material B and the engaging portion 13 of the mounting piece C. In contact so that you can. And the transfer board | plate material 10 can be moved now with the formation direction of the new roof D constructed | assembled on the said through base material B. As shown in FIG. Since it is set as such a structure, the transfer board | plate material 10 is removed from the base material B and the attachment piece C in the final position of the laying work of the new roof D. FIG. That is, at the completion of the formation of the new roof D, the transfer plate member 10 does not exist on the modified roof. However, the transfer plate 10 may be left together with the new roof D without being removed when the new roof D is completely formed.

次に、新設屋根Ｄは、複数の新設屋根板Ｄ₁，Ｄ₁，…から構成されている。ここで、新設屋根とは、改修屋根において既設スレート屋根Ａに対して新たに施工される屋根のことをいう。その新設屋根板Ｄ₁は、薄板金属材から形成されたものであり、山形部１６と底部１７とからなり、この山形部１６と底部１７とが交互に連続している。そして、隣接する新設屋根板Ｄ₁，Ｄ₁の山形部１６同士を重合して連結する重合タイプとしたものである。その山形部１６の断面形状は、略台形状に形成されたものであり、頂片１６ａの幅方向両側より傾斜片１６ｂ，１６ｂが形成されている。具体的には、一つの新設屋根板Ｄ₁には、４個の山形部１６，１６，…が形成され、一つの山形部１６の底部１７からの高さは、約２０mm乃至３０mm程度であり、好ましくは２５mmである。 Next, the new roof D is composed of a plurality of new roof plates D ₁ , D ₁ ,. Here, the new roof refers to a roof newly constructed with respect to the existing slate roof A in the modified roof. The newly installed roof plate D ₁ is formed of a thin metal plate, and includes a mountain-shaped portion 16 and a bottom portion 17, and the mountain-shaped portions 16 and the bottom portions 17 are alternately continued. Then, it is obtained by a polymerization type connecting by polymerizing a chevron portion 16 with each other in new shingle D _1, D ₁ adjacent. The cross-sectional shape of the mountain-shaped portion 16 is substantially trapezoidal, and inclined pieces 16b and 16b are formed from both sides in the width direction of the top piece 16a. Specifically, one new shingle D _1, 4 pieces of mountain-shaped portions 16, 16, ... are formed, the height from the bottom 17 of one chevron portion 16 is located about 20mm to 30mm approximately , Preferably 25 mm.

また、頂片１６ａの幅方向寸法は、２５mm乃至３０mm程度であり、好ましくは２８mmである。さらに、傾斜片１６ｂ，１６ｂの立上り角度θ（すなわち、台形状とした山形部１６の両傾斜片１６ｂ，１６ｂの下端箇所における両内角）は、５５度乃至６０度程度である。このように新設屋根板Ｄ₁は、山形部１６が従来のこの種の折板屋根板の山形部に比較して前記両傾斜片１６ｂ，１６ｂの立上り角度θが大きく形成され、且つ前記頂片１６ａの幅方向寸法が山形部１６の高さ寸法よりも大きく形成されたものである。すなわち、山形部１６において、傾斜片１６ｂの立上り角度θを約５０度以上として十分に確保するとともに、（頂片１６ａの幅方向寸法）＞（山形部１６の高さ寸法）なる関係とする。この条件に応じた新設屋根板Ｄ₁を使用されることが好ましい。 Moreover, the width direction dimension of the top piece 16a is about 25 mm thru | or 30 mm, Preferably it is 28 mm. Further, the rising angle θ of the inclined pieces 16b, 16b (that is, both inner angles at the lower end portions of the inclined pieces 16b, 16b of the trapezoidal portion 16) is about 55 to 60 degrees. Thus, the new roof plate D ₁ is formed such that the angled portion 16 has a larger rising angle θ of the inclined pieces 16b, 16b than the angled portion of this type of folded plate roof plate, and the top piece. The width direction dimension of 16a is formed larger than the height dimension of the angle portion 16. That is, in the angle portion 16, the rising angle θ of the inclined piece 16 b is sufficiently secured to be about 50 degrees or more, and the relation of (width direction dimension of the top piece 16 a)> (height dimension of the angle portion 16) is established. It is preferable to use a new roof plate D ₁ according to this condition.

これに対して、従来タイプの屋根板材は、（山高寸法３８mm），（山幅寸法３５mm），（山形部の両辺立上り角度４５度）である。このような従来タイプの屋根板材に対して本発明における新設屋根板Ｄ₁の山形部１６は、座屈荷重が１５％向上している。これによって本発明における新設屋根板Ｄ₁は、金属板の肉厚を薄くすることが可能となり、その板厚は０．５mm，０．６mm程度にすることができるものである。なお、その新設屋根板Ｄ₁は、必ずしも上記条件を満たさなければならないものではなく、多少の条件が満たされていなくても構わない。これによって、山形部１６は、前記通し下地材Ｂの屋根板受部８に受金具等の支持部材を一切，使用することなく、直接，ドリルビス等の固着具１８を介して固定することができる。そして、その重合された山形部１６，１６同士の連結箇所及び単独の山形部１６箇所と前記通し下地材Ｂとの固着具１８による固定箇所では、座屈荷重等の種々の荷重に十分に対応することができる極めて強固な構造とし、且つ十分な耐久強度を得ることができるものである。 On the other hand, the conventional roofing board materials are (mountain height 38 mm), (mountain width 35 mm), (both sides rising angle 45 degrees). Compared to such a conventional roof plate material, the buckle load of the mountain-shaped portion 16 of the new roof plate D ₁ in the present invention is improved by 15%. As a result, the new roof plate D ₁ according to the present invention can reduce the thickness of the metal plate, and the thickness can be reduced to about 0.5 mm and 0.6 mm. Incidentally, the new shingle D ₁ are not necessarily must satisfy the above conditions may be absent met some conditions. As a result, the mountain-shaped portion 16 can be directly fixed to the roof plate receiving portion 8 of the through base material B through a fixing tool 18 such as a drill screw without using any support member such as a metal fitting. . The superposed chevron portions 16, 16 are connected to each other, and the single chevron portion 16 places and the fixing portion 18 with the through base material B are fixed to various loads such as buckling loads. It is possible to obtain a very strong structure that can be obtained and to obtain sufficient durability.

そして、隣接する新設屋根板Ｄ₁，Ｄ₁の最も外側に位置する山形部１６，１６同士が重合されて、隣接する新設屋根板Ｄ₁，Ｄ₁同士が幅方向に連結される。その重合連結された山形部１６，１６及びその他の山形部１６，１６，…がドリルビス等の固着具１８にて前記頂片１６ａを貫通して前記通し下地材Ｂの屋根板受部８にねじ込まれ、山形部１６，１６，…が屋根板受部８に固定されることにより新設屋根板Ｄ₁が屋根板受部８上に施工されてゆく。前記固着具１８は、前述したようにドリルビスとしたものであるが、その他に鉄板ビス，タッピングビス等のように相手側に内螺子を形成しつつ螺子止めできるタイプのものや、ボルト等が固着具１８として使用されるものである。 The chevron portions 16, 16 between which most located outside the new shingle D _1, D ₁ adjacent is polymerized, the adjacent newly shingle D _1, D ₁ with each other is connected in the width direction. .. And the other chevron portions 16, 16,... Penetrate through the top piece 16 a with a fixing tool 18 such as a drill screw and are screwed into the roof plate receiving portion 8 of the through base material B. Are fixed to the roof plate receiving portion 8, the newly installed roof plate D ₁ is constructed on the roof plate receiving portion 8. The fixing tool 18 is a drill screw as described above, but other types such as an iron plate screw, a tapping screw, etc. that can be screwed while forming an internal screw on the other side, or a bolt is fixed. Used as a tool 18.

また、重合する山形部１６，１６同士の上側に位置する山形部１６の外側傾斜片には外方に断面略円弧状に膨出する膨出条１６ｃが形成されている。該膨出条１６ｃは、重合する山形部１６，１６同士の下側に位置する山形部１６の傾斜片１６ｂとの間に空隙部Ｓを構成するように構成され、毛管現象による雨水を遮断し、雨水の浸入を防止することができる。また、新設屋根板Ｄ₁の他のタイプとしては、馳締タイプ，山形部１６，１６同士の連結に嵌合キャップ材が使用されるものである。 In addition, a bulging strip 16c that bulges outward in a substantially circular arc shape is formed on the outer inclined piece of the chevron 16 located above the chevron chevron 16 and 16 to be overlapped. The ridge 16c is configured so as to form a gap S between the angled portion 16b of the mountain-shaped portion 16 positioned below the overlapping mountain-shaped portions 16, 16, and blocks rainwater due to capillary action. Can prevent the intrusion of rainwater. Further, other types of new shingle D _1, in which馳締type, the connection between the mountain-shaped portions 16, 16 fitted cap material are used.

次に、改修屋根の施工について、図５，図６及び図１１乃至図１４に基づいて説明する。まず、図５（Ａ），図１１（Ａ）に示すように、既設スレート屋根Ａの弧状山形部１の長手方向に、通し下地材Ｂの長手方向を直交させて、その載置部６が弧状山形部１の頂部に当接するようにして載置する。次に、図６（Ａ）に示すように、取付ピースＣの係止部１２を前記通し下地材Ｂの被係止部７に係止しつつ、その取付ピースＣを前記フックボルト５，５，…のボルト軸部５ａ，５ａ，…箇所に取付ピースＣを配置し、その取付孔１４にボルト軸部５ａを貫通させ、固定用ナット１９，１９，…で締付固定する。このようにして、取付ピースＣを前記通し下地材Ｂの長手方向に沿って、既設のフックボルト５，５，…の適宜の間隔にしたがって配置固定し、通し下地材Ｂを既設スレート屋根Ａ上に固定する。 Next, the construction of the repaired roof will be described with reference to FIGS. 5, 6 and 11 to 14. First, as shown in FIG. 5 (A) and FIG. 11 (A), the longitudinal direction of the base material B is orthogonal to the longitudinal direction of the arcuate mountain-shaped portion 1 of the existing slate roof A, and the mounting portion 6 is It mounts so that it may contact | abut on the top part of the arc-shaped mountain-shaped part 1. FIG. Next, as shown in FIG. 6 (A), while the locking portion 12 of the mounting piece C is locked to the locked portion 7 of the through base material B, the mounting piece C is fixed to the hook bolts 5, 5. ,... Are attached to the bolt shaft portions 5a, 5a,..., And the bolt shaft portions 5a are passed through the mounting holes 14 and fastened with fixing nuts 19, 19,. In this way, the mounting piece C is arranged and fixed along the longitudinal direction of the through base material B according to an appropriate interval between the existing hook bolts 5, 5,..., And the through base material B is placed on the existing slate roof A. Secure to.

次に、前記既設スレート屋根Ａ上に固定された通し下地材Ｂの載置部６の先端に形成された係合部９に渡し板材１０の一方側の被係合部１０ｂが係合されつつ、渡し板材１０が既設スレート屋根Ａ上に配置される〔図７，図１１（Ｂ）参照〕。このとき、被係合部１０ｂは載置部６のいずれの位置に配置しておいてもかまわないが、被係合部１０ｂが屋根板受部８に近接又は当接する状態に配置しておくことが好ましい。そして、図７，図１２（Ａ）に示すように、次位のフックボルト５箇所に、新たな通し下地材Ｂを取付ピースＣにて固定する。このときには、渡し板材１０の他方側の被係合部１０ｂは、取付ピースＣの係合部１３には届いておらず、まだ係合していない状態である。 Next, the engaged portion 10b on one side of the transfer plate member 10 is engaged with the engaging portion 9 formed at the tip of the placement portion 6 of the through base material B fixed on the existing slate roof A. Then, the transfer plate member 10 is disposed on the existing slate roof A [see FIGS. 7 and 11B]. At this time, the engaged portion 10b may be disposed at any position of the placement portion 6, but is disposed in a state in which the engaged portion 10b is in proximity to or in contact with the roof plate receiving portion 8. It is preferable. Then, as shown in FIGS. 7 and 12A, a new through base material B is fixed with attachment pieces C at five positions of the next hook bolt. At this time, the engaged portion 10b on the other side of the transfer plate member 10 has not reached the engaging portion 13 of the attachment piece C and is not yet engaged.

次いで、図１２（Ｂ）に示すように、前記渡し板材１０を既設スレート屋根Ａの弧状山形部１の長手方向（通し下地材Ｂの長手方向に直交する方向でもある）に沿って少しずらすように移動させ、図１２（Ｃ）に示すように、前記渡し板材１０の他方側の被係合部１０ｂ箇所を上方に少し持ち上げながら前記取付ピースＣの係合部１３に係合させる。このようにして、前記渡し板材１０は、図７に示すように、長手方向（前記既設スレート屋根Ａの弧状山形部１に直交する方向）に沿って摺動状態で移動自在となっている。図１，図４，図７は、渡し板材１０が通し下地材Ｂと取付ピースＣによって配置された状態を示している。これを図１２（Ａ），（Ｂ），図１３（Ａ）等に示すように、順次、繰り返して既設スレート屋根Ａ上に通し下地材Ｂ及び渡し板材１０を交互に複数並設する。前記通し下地材Ｂ及び渡し板材１０は、既設スレート屋根Ａの弧状山形部１の長手方向に沿って所定間隔又は等間隔に配置されることになる。なお、図１３（Ａ）に示されるように、通し下地材Ｂ及び渡し板材１０には後述する新設屋根板Ｄ₁の施工の位置決めのために割付墨が記されることがある。 Next, as shown in FIG. 12 (B), the transfer plate material 10 is slightly shifted along the longitudinal direction of the arcuate mountain-shaped portion 1 of the existing slate roof A (which is also a direction orthogonal to the longitudinal direction of the through base material B). As shown in FIG. 12C, the portion to be engaged 10b on the other side of the transfer plate member 10 is slightly lifted upward and engaged with the engaging portion 13 of the mounting piece C. In this way, as shown in FIG. 7, the transfer plate member 10 is movable in a sliding state along the longitudinal direction (direction perpendicular to the arcuate mountain-shaped portion 1 of the existing slate roof A). 1, 4, and 7 illustrate a state in which the transfer plate material 10 is disposed by the through base material B and the attachment piece C. As shown in FIGS. 12 (A), 12 (B), FIG. 13 (A), etc., a plurality of base materials B and delivery plate materials 10 are alternately arranged side by side repeatedly on the existing slate roof A. The through base material B and the transfer plate material 10 are arranged at predetermined intervals or at equal intervals along the longitudinal direction of the arcuate mountain-shaped portion 1 of the existing slate roof A. Incidentally, as shown in FIG. 13 (A), the through substrate material B and passing plate material 10 may be noted that assignment ink for positioning the construction of new shingle D ₁ to be described later.

次に、図６（Ａ）に示すように、並設した通し下地材Ｂ，Ｂ，…上に新設屋根板Ｄ₁を葺成する。新設屋根板Ｄ₁は、その長手方向が前記通し下地材Ｂの屋根板受部８の長手方向に対して直交するように配置されるものであって、その新設屋根板Ｄ₁の葺成方向は、図１３（Ｂ）及び図１４（Ａ）に示すように、屋根板受部８の長手方向に沿って行われるものである。前記渡し板材１０は、図１４（Ｂ）に示すように、前記通し下地材Ｂの長手方向に沿って移動自在とし、新設屋根Ｄの葺成方向にしたがって、前記渡し板材１０を移動させることができる。すなわち、新設屋根Ｄの所定の施工が完了した領域から、図１４（Ｂ）に示す矢印方向に前記渡し板材１０を引き出すようにして、該渡し板材１０を新たな未施工領域に配置させるものである。このとき、既設スレート屋根Ａ上に予め通し下地材Ｂを渡し板材１０の移動方向に設置しておく。このようにして、各渡し板材１０，１０，…を次の新設屋根Ｄの施工領域に移動させてゆくものであり、所定の範囲に新設屋根板Ｄ₁が配置されてゆくとともに、渡し板材１０も移動してゆくことになる。 Next, as shown in FIG. 6A, a new roof plate D ₁ is formed on the through base materials B, B,. New shingle D ₁ is a one whose longitudinal direction is arranged perpendicularly to the longitudinal direction of the roof plate receiving portion 8 of the through underlying material B,葺成direction of the new shingle D ₁ As shown in FIGS. 13 (B) and 14 (A), this is performed along the longitudinal direction of the roof plate receiving portion 8. As shown in FIG. 14 (B), the transfer plate material 10 is movable along the longitudinal direction of the through base material B, and the transfer plate material 10 is moved in accordance with the direction in which the new roof D is formed. it can. That is, from the area where the predetermined construction of the new roof D has been completed, the delivery board material 10 is drawn out in the direction of the arrow shown in FIG. is there. At this time, the base material B is previously installed on the existing slate roof A in the moving direction of the transfer plate material 10. In this way, each of the passing plate members 10, 10,... Is moved to the construction area of the next new roof D, and the new roof plate D ₁ is arranged in a predetermined range. Will also move.

この渡し板材１０と前記通し下地材Ｂの載置部６は、作業員の歩行用通路として利用する等、種々の作業ができる。また前記渡し板材１０は、道具のストックヤード（置き場）として利用できる。これらにより、作業効率を向上させることができる。また、新設屋根Ｄの葺成完了にともない、渡し板材１０は撤去され、他の改修屋根工事で繰り返し利用することができる。 The delivery plate material 10 and the placement portion 6 for the through base material B can be used for various operations such as use as a walking path for workers. The transfer board 10 can be used as a tool stock yard. As a result, work efficiency can be improved. Moreover, with the completion of the formation of the new roof D, the transfer board 10 is removed and can be repeatedly used in other repaired roof constructions.

図１５及び図１６は、改修屋根の施工において、新設屋根Ｄの施工完了箇所から前記渡し板材１０が移動することにより撤去された状態を示すものである。該渡し板材１０は、前述したように通し下地材Ｂ及び取付ピースＣに対して摺動させ、新設屋根Ｄの完了した箇所から随時移動されてゆくものであり、改修屋根の全体の施工が完了することによって撤去されてゆくものである。また、図１７は、改修屋根の施工において、前記渡し板材１０を使用しないものである。この場合には、通し下地材Ｂの載置部６は、通常より長く形成され、隣接する通し下地材Ｂ，Ｂとの間隔を狭くするものである。また、ここで使用される通し下地材Ｂでは、２つの屋根板受部８，８が平行に形成されたものである。 15 and 16 show a state in which the transfer plate member 10 has been removed by moving from the construction completion position of the new roof D in the construction of the repaired roof. As described above, the transfer plate material 10 is slid with respect to the through base material B and the mounting piece C and moved from the completed position of the new roof D at any time, and the entire construction of the repaired roof is completed. It will be removed by doing. Moreover, FIG. 17 does not use the said delivery board | plate material 10 in construction of a repaired roof. In this case, the placing portion 6 for the through base material B is formed longer than usual, and the interval between the adjacent through base materials B and B is narrowed. Moreover, in the through base material B used here, the two roof board receiving parts 8 and 8 are formed in parallel.

本発明においては、断面波形状の既設スレート屋根Ａと、断面略門形状で長手方向に沿って連続する屋根板受部８と，該屋根板受部８の幅方向一方側下端箇所に形成された略平坦状の載置部６と，前記屋根板受部８の幅方向他方側下端箇所に形成された被係止部７とからなる通し下地材Ｂと、前記被係止部７に係止する係止部が形成され，且つ前記既設スレート屋根Ａのフックボルト５を介して固定される取付ピースＣと、前記屋根板受部８に葺成される新設屋根Ｄとからなり、既設スレート屋根Ａ上に複数の通し下地材Ｂが所定間隔をおいて載置され、該通し下地材Ｂの被係止部７に前記取付ピースＣの係止部１２が係止されるとともに前記取付ピースＣが前記フックボルト５を介して既設スレート屋根Ａに固定され、前記屋根板受部８に新設屋根Ｄが葺成されてなる改修屋根としたことにより、足場、ネット等を必要とせずに、既設スレート屋根Ａに新設屋根Ｄを葺成することができ、既設スレート屋根Ａのフックボルト５の配列ピッチ寸法がたとえ不揃いであっても、現場にて十分に対応することができ、引いては特別な熟練を要することがない等の効果を有する。 In the present invention, an existing slate roof A having a corrugated cross section, a roof plate receiving portion 8 which is substantially gate-shaped in cross section and continues along the longitudinal direction, and is formed at a lower end portion on one side in the width direction of the roof plate receiving portion 8. A through base material B comprising a substantially flat mounting portion 6 and a locked portion 7 formed at the lower end portion on the other side in the width direction of the roof plate receiving portion 8, and the locked portion 7. The existing slate comprises a mounting piece C formed with a locking portion to be stopped and fixed via the hook bolt 5 of the existing slate roof A, and a new roof D formed on the roof plate receiving portion 8. A plurality of through base materials B are placed on the roof A at a predetermined interval, and the locking portions 12 of the mounting pieces C are locked to the locked portions 7 of the through base materials B, and the mounting pieces. C is fixed to the existing slate roof A via the hook bolt 5, and the roof plate receiving portion 8 By adopting a modified roof in which the installed roof D is formed, a new roof D can be formed on the existing slate roof A without the need for a scaffold or a net, and the hook bolt 5 of the existing slate roof A Even if the arrangement pitch dimensions are uneven, it can be adequately handled at the site, and there is an effect that no special skill is required.

上記効果は、通し下地材Ｂを既設スレート屋根Ａ上に取付ピースＣを介して固定するものであり、既設スレート屋根Ａのスレート屋根材Ａ₁を構造材４に固定するためのフックボルト５のピッチ寸法が不揃いであったとしても、このようなことに係わりなく、取付ピースＣのみを既設スレート屋根Ａのフックボルト５を介して固定し、取付ピースＣの係止部１２と、通し下地材Ｂの被係止部７との係止によってのみ、前記通し下地材Ｂが既設スレート屋根Ａ上に固定される構造としたものである。したがって、たとえ前記フックボルト５がどのようなピッチ寸法であろうとも、また不揃いであったとしても、通し下地材Ｂを既設スレート屋根Ａに簡易且つ迅速に固定することができる。 The above effect is to fix the through base material B on the existing slate roof A via the attachment piece C, and the hook bolt 5 for fixing the slate roof material A ₁ of the existing slate roof A to the structural material 4. Even if the pitch dimensions are not uniform, regardless of this, only the mounting piece C is fixed through the hook bolt 5 of the existing slate roof A, and the engaging portion 12 of the mounting piece C and the through base material are fixed. The through base material B is fixed on the existing slate roof A only by locking with the locked portion 7 of B. Therefore, the through base material B can be easily and quickly fixed to the existing slate roof A, regardless of the pitch dimensions of the hook bolts 5 and irregularity.

このように、フックボルト５が貫通する取付孔１４が形成された取付ピースＣが構成部材として付加されていることにより、前記通し下地材Ｂ側には、現場のフックボルト５のピッチ寸法に対応した貫通孔を穿孔することなく、該フックボルト５を利用し、取付ピースＣによって通し下地材Ｂを固定することができるものであり、この改修屋根の施工に熟練した技術や、熟練した作業員を必要としないものであり、ひいては低価格にて施工することができる。 Thus, the attachment piece C in which the attachment hole 14 through which the hook bolt 5 is formed is added as a constituent member, so that the through base material B side corresponds to the pitch dimension of the hook bolt 5 in the field. It is possible to fix the base material B through the mounting piece C using the hook bolt 5 without drilling a through-hole, which is skilled in the construction of the modified roof and skilled workers. It can be installed at low cost.

また、前述の構成において、幅方向の両端側に被係合部１０ｂ，１０ｂが形成された平板状の渡し板材１０が具備され、該渡し板材１０の一方側の被係合部１０ｂが前記通し下地材Ｂ間の載置部６先端箇所に形成された係合部９に係合され、前記渡し板材１０の他方側の被係合部１０ｂが前記取付ピースＣに形成された係合部１３に係合され、前記渡し板材１０が長手方向に摺動自在且つ撤去可能に装着されてなる改修屋根としたことにより、新設屋根Ｄの施工時においては、前記渡し板材１０を作業員のための作業用通路としたり、或いは道具のストックヤード（置き場所）にすることができる。すなわち、渡し板材１０を両通し下地材Ｂ，Ｂに長手方向に移動自在に載置することで、両通し下地材Ｂ，Ｂ間を往来する場合に作業員の安全を確保したり、或いは道具類の落下をその渡し板材１０にて受け止め、既設スレート屋根Ａを損傷することを防止できる。 Further, in the above-described structure, the flat plate-like delivery plate material 10 having the engaged portions 10b and 10b formed on both end sides in the width direction is provided, and the engaged portion 10b on one side of the delivery plate material 10 is provided with the through-passage. The engaging portion 13 is engaged with the engaging portion 9 formed at the tip portion of the placing portion 6 between the base materials B, and the engaged portion 10b on the other side of the transfer plate material 10 is formed on the mounting piece C. In the construction of the new roof D, the transfer plate member 10 is used for the operator when the new roof D is constructed. It can be used as a work passage or as a stockyard for tools. That is, by placing the transfer plate material 10 on the both through base materials B and B so as to be movable in the longitudinal direction, it is possible to ensure the safety of the worker when traveling between the two through base materials B and B, or the tools. It is possible to prevent the existing slate roof A from being damaged by receiving the falling of the kind with the transfer plate material 10.

さらに、その渡し板材１０を両通し下地材Ｂ，Ｂの長手方向に沿って移動自在であるため、新設屋根板Ｄ₁，Ｄ₁を葺成作業にともなって移動させることで、作業の安全を図り、且つ作業効率を向上させることができる。また、渡し板材１０を設けることにより、既設スレート屋根Ａ上の不安定な空きスペースも少なくすることができる。さらに新設屋根Ｄが葺成されて改修屋根の施工が完了した後には、前記渡し板材１０は、撤去するものであり、渡し板材１０を別の改修屋根工事にて何度でも繰り返し使用することができるものである。 Furthermore, since the transfer plate 10 can be moved along the longitudinal direction of the base materials B and B, the new roof plates D ₁ and D ₁ can be moved along with the generation work, so that the work safety can be improved. In addition, the working efficiency can be improved. In addition, by providing the transfer plate member 10, an unstable empty space on the existing slate roof A can be reduced. Furthermore, after the new roof D is formed and the construction of the repaired roof is completed, the transfer board material 10 is removed, and the transfer board material 10 can be used repeatedly in another repair roof work. It can be done.

次に前記渡し板材１０には長手方向に沿って略溝状の補強部１０ｃ，１０ｃ，…が形成されることにより、渡し板材１０の断面係数を大きくし、力学的強度を向上させることができる。また、補強部１０ｃ，１０ｃ，…が形成されることにより、渡し板材１０の板厚を薄くし、軽量化を実現することができる。具体的には、渡し板材１０の板厚は、０．５mmとすることができ、軽量化を実現でき、作業員の負担を減少させることができる。 Next, by forming substantially groove-shaped reinforcing portions 10c, 10c,... Along the longitudinal direction on the transfer plate member 10, the cross section coefficient of the transfer plate member 10 can be increased and the mechanical strength can be improved. . Further, by forming the reinforcing portions 10c, 10c,..., It is possible to reduce the plate thickness of the transfer plate material 10 and realize weight reduction. Specifically, the thickness of the transfer plate member 10 can be set to 0.5 mm, the weight can be reduced, and the burden on the worker can be reduced.

次に、前述の構成において、前記新設屋根Ｄを構成する新設屋根板Ｄ₁，Ｄ₁，…は、山形部１６，１６，…が所定間隔に連続する折板屋根板とし、その隣接する折板屋根板の山形部１６，１６，…同士が重合連結され、前記山形部１６の頂片１６ａ箇所と通し下地材Ｂとが固着具１８を介して固定されてなる改修屋根としたことにより、新設屋根板Ｄ₁の施工がより一層，効率的にできるものである。なお、新設屋根板Ｄ₁において、その山形部１６の両傾斜片１６ｂ，１６ｂの立上り角度θが大きく形成され、且つ前記頂片１６ａの幅方向寸法が山形部１６の高さ寸法よりも大きく形成されたものとする。すなわち、山形部１６において、傾斜片１６ｂの立上り角度θを約５０度以上とし、且つ（頂片１６ａの幅方向寸法）＞（山形部１６の高さ寸法）なる関係とする。これによって、新設屋根板Ｄ₁は、力学的強度が大きくなり、前記通し下地材Ｂの屋根板受部８上に施工するときに、山形部１６の頂片１６ａ箇所と通し下地材Ｂとをドリルビス等の固着具１８を介して固定することで、受金具等の支持具を設けなくとも十分に耐久性のあるものにできる。 Next, in the above-described configuration, the new roof plates D ₁ , D ₁ ,... Constituting the new roof D are folded plate roof plates having mountain-shaped portions 16, 16,. The mountain-shaped portions 16, 16,... Of the roof plate are superposed and connected to each other, and the top roof 16 a portion of the mountain-shaped portion 16 and the through base material B are fixed through the fixing tool 18. Construction of the new roof plate D ₁ can be made even more efficiently. In the new roof plate D ₁ , the rising angle θ of both inclined pieces 16 b, 16 b of the mountain-shaped portion 16 is formed larger, and the width direction dimension of the top piece 16 a is larger than the height dimension of the mountain-shaped portion 16. It shall be assumed. That is, in the angle portion 16, the rising angle θ of the inclined piece 16 b is set to about 50 degrees or more, and (the width dimension of the top piece 16 a)> (height dimension of the angle portion 16). As a result, the new roof plate D ₁ has increased mechanical strength, and when it is constructed on the roof plate receiving portion 8 of the through base material B, the top piece 16a of the mountain-shaped portion 16 and the through base material B are connected. By fixing via a fixing tool 18 such as a drill screw, it can be made sufficiently durable without providing a support such as a metal fitting.

次に、既設スレート屋根Ａの弧状山形部１の長手方向に通し下地材Ｂの長手方向を直交させて載置し、前記既設スレート屋根Ａの弧状山形部１箇所から突出するフックボルト５の突出部位置に合わせて取付ピースＣを締付固定するとともに、該取付ピースＣの係止部１２にて前記通し下地材Ｂの被係止部７と係止させつつ通し下地材Ｂを既設スレート屋根Ａに固定し、前記通し下地材Ｂの長手方向に沿って形成された屋根板受部８の長手方向に直交するようにして新設屋根板Ｄ₁を配置固定してなる改修屋根の改修工法としたことにより、特別な熟練技術を要することがなく、また足場、ネット張り等を必要とせずに、既設スレート屋根Ａに新設屋根Ｄを葺成することができる。また、その作業も簡易且つ迅速にでき、作業効率を向上させることができる。 Next, the hook bolt 5 protrudes from the arcuate chevron portion of the existing slate roof A by placing the base material B through the longitudinal direction of the arcuate chevron portion 1 of the existing slate roof A so as to be orthogonal to each other. The mounting piece C is fastened and fixed in accordance with the position of the part, and the threaded base material B is fixed to the existing slate roof while being locked to the locked part 7 of the threaded base material B by the locking part 12 of the mounting piece C. fixed to a, and renovation method of the through substrate material longitudinally in the longitudinal direction so as to perpendicular to the new shingle D ₁ of the formed shingle receiving 8 along arranged fixed comprising renovation roof B As a result, the new roof D can be formed on the existing slate roof A without the need for special skill and without the need for scaffolding or netting. In addition, the work can be performed easily and quickly, and work efficiency can be improved.

次に、上記工法において前記通し下地材の長手方向に沿って移動自在な渡し板材１０を設け、新設屋根Ｄの葺成方向に沿って、前記渡し板材１０を移動させてなる改修屋根の改修工法としたことにより、渡し板材１０を新設屋根Ｄの葺成方向とともに、移動させることで、葺成作業をより一層効率的にできる。すなわち、新設屋根Ｄの葺成方向に伴って、渡し板材１０が移動できるので、その渡し板材１０を介して隣接する通し下地材Ｂ，Ｂ間を往来でき、またその渡し板材１０上に道具等を置いておくことができるので、葺成作業を効率的にすることができるとともに、作業員の安全性の確保、及び道具類等の落下防止ができるものである。新設屋根Ｄを折板屋根とした場合に好適であり、折板屋根の葺成を極めて効率的に行うことができる。また、通し下地材Ｂは、弧状山形部１箇所から突出するフックボルト５によって、既設スレート屋根Ａ上に極めて強固に固定することができ、ひいては新設屋根板Ｄ₁を強固に支持することができるものである。 Next, in the above construction method, a delivery plate material 10 is provided that is movable along the longitudinal direction of the through base material, and the delivery plate material 10 is moved along the formation direction of the new roof D. As a result, the mating work can be performed more efficiently by moving the transfer plate 10 together with the direction of the new roof D. That is, since the transfer plate material 10 can be moved along with the direction in which the new roof D is formed, it is possible to travel between adjacent base materials B and B via the transfer plate material 10, and tools etc. on the transfer plate material 10. Therefore, the generation work can be made efficient, the safety of workers can be ensured, and the fall of tools and the like can be prevented. It is suitable when the new roof D is a folded plate roof, and the folded plate roof can be formed very efficiently. Further, the through base material B can be fixed extremely firmly on the existing slate roof A by hook bolts 5 protruding from one arcuate chevron, and thus the new roof plate D ₁ can be firmly supported. Is.

本発明の施工過程における要部斜視図である。It is a principal part perspective view in the construction process of this invention. 本発明の施工過程における要部拡大斜視図である。It is a principal part expansion perspective view in the construction process of this invention. （Ａ）は本発明の縦断正面図、（Ｂ）は（Ａ）の要部拡大図である。(A) is a longitudinal front view of the present invention, (B) is an enlarged view of the main part of (A). （Ａ）は本発明の施工過程における縦断側面図、（Ｂ）は（Ａ）の要部拡大図である。(A) is the vertical side view in the construction process of this invention, (B) is the principal part enlarged view of (A). （Ａ）は既設スレート屋根に通し下地材を配置する工程図、（Ｂ）は通し下地材の被係止部に取付ピースの係止部を係止しようとする工程図である。(A) is process drawing which arrange | positions a base material through an existing slate roof, (B) is a process figure which tries to latch the latching | locking part of an attachment piece to the to-be-latched part of a through base material. （Ａ）は通し下地材上に新設屋根板を配置する工程図、（Ｂ）は新設屋根板を屋根板受部に固着具にて固着しようとする工程図である。(A) is a process drawing which arranges a new roof board on a through base material, and (B) is a process figure which tries to fix a new roof board to a roof board receiving part with a fixture. 渡し板材が通し下地材に対して摺動する状態を示す平面図である。It is a top view which shows the state which a passing board material slides with respect to a base material. （Ａ）は新設屋根板の正面略示図、（Ｂ）は（Ａ）の左外側の山形部の拡大図、（Ｃ）は（Ａ）の右外側の山形部の拡大図、（Ｄ）は山形部同士を重合して固着具にて固定する工程図である。(A) is a schematic front view of a new roof panel, (B) is an enlarged view of the left outer chevron part of (A), (C) is an enlarged view of the right outer chevron part of (A), (D) FIG. 3 is a process diagram in which chevron portions are superposed and fixed with a fixing tool. （Ａ）は通し下地材の斜視図、（Ｂ）は渡し板材の斜視図である。(A) is a perspective view of a through base material, (B) is a perspective view of a transfer board material. （Ａ）は取付ピースの斜視図、（Ｂ）は平面図、（Ｃ）は縦断側面図である。(A) is a perspective view of a mounting piece, (B) is a plan view, and (C) is a longitudinal side view. （Ａ）は既設スレート屋根に通し下地材を配置して取付ピースにて既設スレート屋根に固定した工程斜視図、（Ｂ）は通し下地材に渡し板材を係合する工程斜視図である。(A) is the process perspective view which has arrange | positioned the base material through the existing slate roof, and was fixed to the existing slate roof with the attachment piece, (B) is the process perspective view which engages a passing board | plate material with a through base material. （Ａ）は渡し板材を取付ピースをにて取付る工程斜視図、（Ｂ）は渡し板材の位置を取付ピース側にずらしてに係合する工程斜視図、（Ｃ）は（Ｂ）の要部拡大側面図である。(A) is a process perspective view for attaching the transfer plate material with the attachment piece, (B) is a process perspective view for engaging the transfer plate material by shifting the position of the transfer plate material to the attachment piece side, and (C) is an essential part of (B). FIG. （Ａ）は既設スレート屋根上に通し下地材，取付ピース及び渡し板材を所定範囲に亘って施工した工程斜視図、（Ｂ）は通し下地材に新設屋根板を葺成する工程斜視図である。(A) is a process perspective view in which a base material, a mounting piece and a transfer plate material are constructed over a predetermined range on an existing slate roof, and (B) is a process perspective view of forming a new roof plate on the through base material. . （Ａ）は施工完了した所定範囲の新設屋根に次いで既設スレート屋根に新たに通し下地材を配置した工程斜視図、（Ｂ）は通し下地材と取付ピースに対して新たな施工領域に渡し板材を移動した工程斜視図である。(A) is a process perspective view in which a base material is newly placed through an existing slate roof after a new roof in a predetermined range after completion of construction, and (B) is a transfer plate material to a new construction area with respect to the through base material and the mounting piece. It is the process perspective view which moved. 改修屋根の新設屋根の施工完了した箇所から渡し板材が移動撤去された状態の斜視図である。It is a perspective view of the state by which the transfer board material was moved and removed from the location where construction of the new roof of a repair roof was completed. （Ａ）は改修屋根の新設屋根の施工箇所から渡し板材が撤去されて施工完了した状態の縦断側面図、（Ｂ）は（Ａ）の要部拡大図である。(A) is a longitudinal side view of a state in which the transfer plate material has been removed from the construction site of the new roof and the construction is completed, and (B) is an enlarged view of the main part of (A). （Ａ）は本発明の改修屋根において渡し板材を使用しないタイプの縦断側面図、（Ｂ）は（Ａ）の要部拡大図である。(A) is a vertical side view of a type that does not use a transfer plate material in the modified roof of the present invention, and (B) is an enlarged view of the main part of (A). （Ａ）は従来の施工工法であり既設スレート屋根上に配置された工事用足場にネット張りが行われている工程の略示斜視図、（Ｂ）はさらにネット上に工事用足場が設置されている工程の略示斜視図である。(A) is a conventional construction method, and is a schematic perspective view of a process in which a net is stretched on a construction scaffold placed on an existing slate roof, and (B) is a construction scaffold further installed on the net. FIG.

Explanation of symbols

Ａ…既設スレート屋根
Ｂ…通し下地材
Ｃ…取付ピース
Ｄ…新設屋根
Ｄ₁…新設屋根板
１…弧状山形部
５…フックボルト、
６…載置部
７…被係止部
８…屋根板受部
９…係合部
１０…渡し板材
１０ｂ…被係合部
１０ｃ…補強部、
１２…係止部
１６…山形部、 A ... Existing slate roof B ... Through base material C ... Mounting piece D ... New roof D ₁ ... New roof plate 1 ... Arc-shaped mountain-shaped part 5 ... Hook bolt,
6 ... Placement portion 7 ... Locked portion 8 ... Roof plate receiving portion 9 ... Engagement portion 10 ... Transfer plate material 10b ... Engagement portion 10c ... Reinforcement portion,
12 ... Locking part 16 ... Yamagata part,

Claims

An existing slate roof having a cross-sectional wave shape, a through base material, a mounting piece fixed via a hook bolt of the existing slate roof, and a new roof formed on the roof plate receiving portion, the existing slate The through base material is placed on a roof, the through base material is fixed to the existing slate roof by the mounting piece, and this is repeated sequentially, and the new roof is formed on the through base material. Renovated roof characterized by.

An existing slate roof having a cross-sectional wave shape, a roof plate receiving portion that is substantially gate-shaped in cross section and continuous in the longitudinal direction, and a substantially flat mounting portion formed at a lower end portion on one side in the width direction of the roof plate receiving portion A through base material comprising a locked portion formed at a lower end portion on the other side in the width direction of the roof plate receiving portion, a locking portion locked to the locked portion is formed, and the existing slate A mounting piece fixed through a hook bolt of the roof and a new roof formed on the roof plate receiving portion, and a through base material is placed on the existing slate roof, and the through base material is engaged. The locking portion of the mounting piece is locked to the stop portion, and the mounting piece is fixed to the existing slate roof via the hook bolt, and this is repeated sequentially, and a new roof is formed in the roof plate receiving portion. A renovated roof characterized by

3. A transfer plate material having engaged portions formed on both end sides in the width direction according to claim 1 or 2, wherein the engaged portion on one side of the transfer plate material is a front end portion of the placing portion between the through base materials. And the engaged portion on the other side of the transfer plate material is engaged with the engagement portion formed on the mounting piece, and the transfer plate material is slidable in the longitudinal direction and Renovated roof characterized by being removable.

4. The modified roof according to claim 3, wherein a reinforcing portion having a substantially groove shape is formed along the longitudinal direction of the connecting plate material.

In Claim 1, 2, 3 or 4, the new roof plate constituting the new roof is a folded plate roof plate in which the chevron portions are continuous at a predetermined interval, and the chevron portions of the adjacent folded plate roof plates are overlapped. The refurbished roof, wherein the top piece portion of the mountain-shaped portion and the through base material are fixed through a fixing tool.

The mounting piece is placed with the longitudinal direction of the base material orthogonal to the longitudinal direction of the arcuate chevron of the existing slate roof, and the locking portion of the mounting piece is locked to the locked portion of the through base material. Is fastened and fixed in accordance with the position of the projecting portion of the hook bolt projecting from the arcuate chevron portion of the existing slate roof, and the threading base material is fixed to the existing slate roof, along the longitudinal direction of the threading base material. A repair method for a repaired roof, characterized in that a new roof is formed by arranging and fixing a new roof so as to be orthogonal to the formed roof support.

In Claim 6, a board | plate board material is arrange | positioned between adjacent through base materials, the width direction one end side of this cross board material is engaged with the engaging part of the said through base material, and the other end side of the said pass board material is said existing equipment. Engage with the engaging part of the mounting piece fixed to the hook bolt location of the slate roof, the transfer plate material is movable along the longitudinal direction of the through base material, and the transfer plate material is aligned along the direction of forming the new roof The method of repairing a repaired roof is characterized by being removed when the new roof is completed.