JP4679100B2 - Waterproof sheet fixing structure - Google Patents

Waterproof sheet fixing structure Download PDF

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JP4679100B2
JP4679100B2 JP2004264087A JP2004264087A JP4679100B2 JP 4679100 B2 JP4679100 B2 JP 4679100B2 JP 2004264087 A JP2004264087 A JP 2004264087A JP 2004264087 A JP2004264087 A JP 2004264087A JP 4679100 B2 JP4679100 B2 JP 4679100B2
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waterproof sheet
corner
roof
adhesive
fixing structure
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JP2006077505A (en
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周 井上
亮一 山部
康晴 勝間
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アーキヤマデ株式会社
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Description

本発明は、屋根下地(例えば、屋上スラブ)上に、局部的な接着部を介して防水シートを固定してある防水シート固定構造に関する。   The present invention relates to a waterproof sheet fixing structure in which a waterproof sheet is fixed on a roof base (for example, a roof slab) via a local adhesive portion.

従来、この種の防水シートの固定は、例えば、円板形状や帯板形状の固定金具を屋根下地の上に取り付けておき、その固定金具上に防水シートを接着することで実施されている。従って、固定金具が防水シートに対する「局部的な接着部」となっており、この配置に関しては、従来は、特に取り決めが無く、隣接する接着部同士は一定の間隔となるように前記屋根下地全域にわたって点在配置してあるのが一般的であった(例えば、特許文献1参照)。   Conventionally, this type of waterproof sheet is fixed, for example, by attaching a disk-shaped or band-shaped fixing bracket on a roof base and bonding the waterproof sheet on the fixing bracket. Therefore, the fixing bracket is a “local adhesive part” for the waterproof sheet. Conventionally, there is no particular arrangement for this arrangement, and the entire area of the roof base is set so that the adjacent adhesive parts are spaced apart from each other. In general, it is arranged in a scattered manner (see, for example, Patent Document 1).

特許第2724040号公報(図1〜3)Japanese Patent No. 2724040 (FIGS. 1 to 3)

屋根面に風圧が作用すると、局部的に負圧が生じることがあり、その力は屋根下地上に設置してある防水シートを吸い上げるようにはたらく。そして、防水シートは、上述のように屋根下地に対して局部的に接着されているから、接着されていない部分に関しては屋根面上で上下に多少の移動が許容されている。
従って、屋根面に風が吹くに伴って、防水シートは、非接着部が上下に「バタバタ」と移動し、その動きは、あたかも水面の波のごとく、風上から風下に向かって流れていく。 このような波立ちは、風と共に風下側へ伝播していく課程で防水シートの共振も作用してエネルギーが蓄積され、更に増幅される傾向がある。また、この傾向は、風が強いほど顕著に現れる。そして、防水シートの波立ちが続くに伴って、防水シートの被固定部の周囲部分に、亀裂が入ったり裂けたりする現象が生じることが観測されている。
上述した従来の防水シート固定構造によれば、このような現象を緩和するためには、各接着部間隔を狭くして、防水シートの波立ちを抑制するしか打つ手が無く、その結果、接着箇所が多くなって、施工手間がかかると共に材料コストが高くつき易い問題点があった。
When wind pressure acts on the roof surface, local negative pressure may be generated, and the force acts to suck up the waterproof sheet installed on the roof base. And since the waterproof sheet is locally adhere | attached with respect to the roof base | substrate as mentioned above, about the part which is not adhere | attached, some movement up and down is permitted on the roof surface.
Therefore, as the wind blows on the roof surface, the non-adhesive part of the waterproof sheet moves up and down as “butterfly”, and the movement flows from the windward to the windward as if it were a wave on the water surface. . Such a wave tends to be further amplified by the resonance of the waterproof sheet in the process of propagating with the wind to the leeward side. Moreover, this tendency becomes more prominent as the wind is stronger. And it has been observed that as the ripples of the waterproof sheet continue, a phenomenon in which a crack occurs or tears around the fixed portion of the waterproof sheet occurs.
According to the above-described conventional waterproof sheet fixing structure, in order to alleviate such a phenomenon, there is no choice but to reduce the ripples of the waterproof sheet by narrowing the interval between the respective adhesive portions, and as a result, the adhesion location is reduced. However, there are problems that it takes a lot of construction work and the material cost tends to be high.

従って、本発明の目的は、上記問題点を解消し、施工手間やコストをできるだけ抑えながら、強風に強い防水シート固定構造を提供するところにある。   Accordingly, an object of the present invention is to provide a waterproof sheet fixing structure that is resistant to strong winds while eliminating the above problems and minimizing construction labor and costs.

本発明の第1の特徴構成は、屋根下地上に、局部的な接着部を介して防水シートを固定してある防水シート固定構造において、屋根平面における隅部と他部との境界部に沿って、線状に前記接着部を形成してあり、前記隅部と他部のそれぞれの範囲内には、複数の点状の接着部を間隔をあけて形成し、前記隅部における点状の接着部どうしの間隔は、前記他部における点状の接着部どうしの間隔より小さく設定してあるところにある。 A first characteristic configuration of the present invention is a waterproof sheet fixing structure in which a waterproof sheet is fixed on a roof base via a local adhesive portion, along a boundary portion between a corner portion and another portion on a roof plane. Te, Ri tare forming the adhesive portion linearly, within respective ranges of the corner portion and the other portion, the adhesive portion of the shaped plurality of points to form at an interval, point-like in the corner spacing of the bonding portion to each other of, in said other portion is set smaller than the point-like spacing bonding portion to each other of the tare Rutokoro.

屋根平面での風圧の影響は、屋根平面における隅部(以後、単に「隅部」と言う)にピーク外圧が発生しやすいことが知られている(例えば、平成12年建設省告知第1458号第2参照)。従って、隅部から発生した防水シートの波立ちは大きくなり易く、前記防水シートの亀裂や裂けを引き起こす危険性が高い。
本発明の第1の特徴構成によれば、線状の接着部を設けてあることで、防水シートに生じる波立ちが接着部の一方の側部から他方の側部へ伝播するのを防ぐことが可能となる。言い換えれば、防水シートの波立ちを、線状の接着部によってキャンセルすることができる。そして、この線状の接着部を、屋根平面における隅部と他部との境界部に沿って設けてあるから、屋根平面における隅部と他部との間で防水シートの波立ちをキャンセルすることができる。即ち、これは、波のエネルギーをもキャンセルすることにつながっている。
よって、風に伴うピーク外圧が発生しやすい隅部で発生する防水シートの波立ちを、前記隅部と他部との境界部に沿って線状に形成された接着部によってキャンセルできるようになり、波の大きなエネルギーが他部に増幅して伝わるのを未然に防止することができる。その結果、屋根平面の全域に生じる防水シートの波を小さなものに抑制できるようになり、従来のように、むやみに接着部の数を増加しなくても、防水シートの被固定部周囲に亀裂や裂けが発生するのを防止できるようになる。
従って、施工手間やコストの低減化を共に叶えることが可能となる。
It is known that the effect of wind pressure on the roof plane is likely to cause peak external pressure at the corner (hereinafter simply referred to as “corner”) on the roof plane (for example, Ministry of Construction Notification No. 1458, 2000). 2). Therefore, the ripples of the waterproof sheet generated from the corners are likely to be large, and there is a high risk of causing cracks and tears of the waterproof sheet.
According to the first characteristic configuration of the present invention, by providing the linear adhesive portion, it is possible to prevent the ripple generated in the waterproof sheet from propagating from one side portion of the adhesive portion to the other side portion. It becomes possible. In other words, the ripples of the waterproof sheet can be canceled by the linear adhesive portion. And since this linear adhesive part is provided along the boundary between the corner and the other part on the roof plane, canceling the ripples of the waterproof sheet between the corner and the other part on the roof plane Can do. That is, this leads to cancellation of wave energy.
Therefore, it becomes possible to cancel the ripples of the waterproof sheet generated at the corner portion where the peak external pressure easily occurs due to the wind by the adhesive portion formed linearly along the boundary portion between the corner portion and the other portion, It is possible to prevent a large wave energy from being amplified and transmitted to other parts. As a result, the wave of the waterproof sheet generated over the entire area of the roof plane can be suppressed to a small one, and it is possible to crack around the fixed part of the waterproof sheet without increasing the number of adhesive parts as in the past. It becomes possible to prevent the occurrence of tears.
Therefore, it is possible to achieve both labor and cost reduction.

本発明の第2の特徴構成は、前記接着部は、前記隅部と前記他部との境界部の全長にわたって形成してあるところにある。   According to a second characteristic configuration of the present invention, the adhesive portion is formed over the entire length of the boundary portion between the corner portion and the other portion.

本発明の第2の特徴構成によれば、本発明の第1の特徴構成による上述の作用効果を叶えることができるのに加えて、接着部を前記隅部と前記他部との境界部の全長にわたって形成してあるから、風に伴うピーク外圧で隅部に生じた防水シートの波立ちを、前記境界部の全長においてキャンセルすることができ、前述の各作用効果をより確実に叶えることが可能となる。   According to the second characteristic configuration of the present invention, in addition to achieving the above-described operational effect according to the first characteristic configuration of the present invention, the bonding portion is formed at the boundary portion between the corner portion and the other portion. Since it is formed over the entire length, the ripples of the waterproof sheet generated at the corner due to the peak external pressure due to the wind can be canceled over the entire length of the boundary portion, and the above-mentioned functions and effects can be realized more reliably. It becomes.

本発明の第3の特徴構成は、前記隅部は、矩形形状の屋根平面の外縁部であるところにある。   According to a third characteristic configuration of the present invention, the corner portion is an outer edge portion of a rectangular roof plane.

屋根平面における隅部とは、例えば、矩形屋根を例に挙げれば、矩形の外縁部であったり、矩形の四隅であったり、屋上に塔屋が有るような場合にはその塔屋の平面外周部分等、入隅や出隅までさまざまである。
本発明の第3の特徴構成によれば、本発明の第1又は2の特徴構成による上述の作用効果を叶えることができるのに加えて、矩形形状の屋根平面の内、外縁部に発生する防水シートの波立ちを、屋根平面の中央部に伝播しないようにブロックすることができる。
The corner in the roof plane is, for example, a rectangular roof, a rectangular outer edge, four corners of the rectangle, or a tower on the roof, etc. It varies from the corner to the corner.
According to the third characteristic configuration of the present invention, in addition to achieving the above-described operational effects according to the first or second characteristic configuration of the present invention, it occurs at the outer edge portion of the rectangular roof plane. The ripples of the waterproof sheet can be blocked from propagating to the central part of the roof plane.

本発明の第4の特徴構成は、前記隅部は、矩形形状の屋根平面の四隅であるところにある。   According to a fourth characteristic configuration of the present invention, the corners are four corners of a rectangular roof plane.

本発明の第4の特徴構成によれば、本発明の第1〜3の何れかの特徴構成による上述の作用効果を叶えることができるのに加えて、風に伴うピーク外圧が最も発生し易い屋根の四隅をブロックすることで、最小限の接着部を設けるだけで、防水シートの波立ちを抑制できるようになり、より経済効果を期待できるようになる。   According to the fourth characteristic configuration of the present invention, in addition to being able to achieve the above-described operation effect by any one of the first to third characteristic configurations of the present invention, the peak external pressure associated with the wind is most likely to occur. By blocking the four corners of the roof, it is possible to suppress the ripples of the waterproof sheet only by providing a minimum adhesive portion, and more economic effects can be expected.

以下に本発明の実施の形態を図面に基づいて説明する。   Embodiments of the present invention will be described below with reference to the drawings.

図1は、本発明の防水シート固定構造の一実施形態を示すもので、屋根下地G上に、局部的な接着部1を介して防水シートSが固定されている。   FIG. 1 shows an embodiment of the waterproof sheet fixing structure of the present invention, in which a waterproof sheet S is fixed on a roof base G via a local bonding portion 1.

前記接着部1は、当該実施形態においては、屋根下地Gにネジ固定した固定金具2によって構成してある。
固定金具2は、上面が接着面として構成されており、その形状は、円板形状のもの(図2参照)と、帯板形状のもの(図3参照)とが用意してあり、この両者は、設置する場所に応じて使い分けることができる。
円板形状の固定金具2Aは、隣接させる固定金具2間に間隔をあけて屋根下地G上に点在する状態に固定して使用することで、広い範囲にわたって防水シートSを固定することができる。
帯板形状の固定金具2Bは、接着面が直線状に形成してあるので、防水シートSを連続した接着部1で固定することができる。
The said adhesion part 1 is comprised by the fixing metal fitting 2 fixed to the roof base | substrate G with the screw in the said embodiment.
The upper surface of the fixing metal fitting 2 is configured as an adhesive surface. The shape of the fixing metal fitting 2 includes a disc shape (see FIG. 2) and a strip shape (see FIG. 3). Can be used according to the installation location.
The disk-shaped fixing bracket 2 </ b> A can fix the waterproof sheet S over a wide range by fixing the disc-shaped fixing bracket 2 </ b> A so as to be scattered on the roof base G with a gap between the adjacent fixing brackets 2. .
Since the bonding surface of the band-shaped fixing bracket 2B is formed in a straight line, the waterproof sheet S can be fixed by the continuous bonding portion 1.

そして、上述の固定金具2を使用した防水シートSの固定作業は、例えば、固定金具2を屋根下地Gに固定した状態で、固定金具2の接着面に接着材を塗布して、上から防水シートSを被せて接着固定したり、又は、固定金具2の接着面に予めホットメルト接着層を設けておき、上から防水シートSを被した状態で、防水シートSの上方から、電磁誘導加熱によって固定金具2を加熱することでホットメルト接着層を溶かして接着固定する等の方法によって実施することができる。   And the fixing operation | work of the waterproof sheet S using the above-mentioned fixing metal fitting 2 apply | coats an adhesive material to the adhesive surface of the fixing metal fitting 2 in the state which fixed the fixing metal fitting 2 to the roof base G, for example, and waterproofs from the top. Electromagnetic induction heating from above the waterproof sheet S in the state where the sheet S is covered and bonded or fixed, or a hot melt adhesive layer is previously provided on the adhesive surface of the fixing bracket 2 and the waterproof sheet S is covered from above. Thus, the fixing metal fitting 2 can be heated to melt the hot melt adhesive layer and fix the adhesive.

次に、屋根下地G上の接着部1の配置について説明する。
図4に示すように、屋根平面Fにおける隅部Faと他部Fbとの境界部に沿って、前記帯板形状の固定金具2Bによって直線状の接着部1を形成してある。そして、前記隅部Fa、他部Fbそれぞれの範囲内においては、前記円板形状の固定金具2Aによって点状の接着部1が設けられている。また、屋根平面Fの外周部は、前記帯板形状の固定金具2Bによって直線状の接着部1を形成してある。
尚、本実施形態で言う隅部Faは、屋根平面Fにおける外周部から所定の幅寸法Lのエリアを言い、その他のエリア、即ち、隅部Faで囲まれた中央部分が前記他部Fbに該当する。
前記幅寸法Lは、屋根への風の影響度によって決めることができるが、当該実施形態においては、例えば、屋根平面の短スパン長さと、屋根平面の高さの2倍の数値との内、何れか小さい方の数値を基に、所定の係数(例えば、0.1)を乗じて求めている。そして、前記隅部Faと他部Fbとの境界部に設置されている前記帯板形状の固定金具2Bは、長手方向に隣接する別の固定金具2Bとの間に隙間が出来ないように設けてあり、そうすることで、隅部Faと他部Fbとの境界部の全長にわたって接着部1が形成されることとなる。
Next, arrangement | positioning of the adhesion part 1 on the roof base | substrate G is demonstrated.
As shown in FIG. 4, along the boundary portion between the corner Fa and the other portion Fb in the roof plane F, the linear adhesive portion 1 is formed by the strip-shaped fixing bracket 2 </ b> B. And in the range of each of the corner portion Fa and the other portion Fb, the dot-shaped adhesive portion 1 is provided by the disk-shaped fixing bracket 2A. Further, the outer peripheral portion of the roof plane F is formed with a linear adhesive portion 1 by the band-shaped fixing bracket 2B.
The corner Fa in the present embodiment refers to an area having a predetermined width dimension L from the outer periphery of the roof plane F, and the other area, that is, the central portion surrounded by the corner Fa is the other portion Fb. Applicable.
The width dimension L can be determined by the influence of wind on the roof. In this embodiment, for example, the short span length of the roof plane and a numerical value that is twice the height of the roof plane, It is obtained by multiplying a predetermined coefficient (for example, 0.1) based on the smaller numerical value. The strip-shaped fixing bracket 2B installed at the boundary between the corner portion Fa and the other portion Fb is provided so that no gap is formed between the fixing bracket 2B adjacent to the longitudinal direction. By doing so, the adhesive portion 1 is formed over the entire length of the boundary portion between the corner portion Fa and the other portion Fb.

このように、前記境界部に沿って線状の接着部1を設けることで、屋根に対する風の外圧作用によって発生する防水シートの波立ちを、前記接着部1によってキャンセルすることができ、波のエネルギーが隅部Faから他部Fbへ伝わって増幅されるのを未然に防止することが可能となる。その結果、屋根の隅部に発生しやすい風のピーク外圧によって発生した防水シートの波立ち(高エネルギー)を、前記線状の接着部で初期の内にキャンセルして、屋根平面全般に波立ちが大きくなり難い状況を作り出すことができる。従って、固定金具周囲の防水シート部分に波立ちが原因の大きな応力が集中的に作用するのを防いで、防水シートの耐久性の向上を図ることが可能となる。   Thus, by providing the linear adhesive portion 1 along the boundary portion, the ripple of the waterproof sheet generated by the external pressure action of the wind against the roof can be canceled by the adhesive portion 1, and the wave energy Can be prevented from being transmitted from the corner portion Fa to the other portion Fb and amplified. As a result, the ripple (high energy) of the waterproof sheet generated by the peak external pressure of the wind, which is likely to occur at the corners of the roof, is canceled within the initial stage by the linear adhesive portion, and the ripples are large throughout the roof plane. Can create difficult situations. Therefore, it is possible to prevent a large stress caused by ripples from acting intensively on the waterproof sheet portion around the fixing bracket, and to improve the durability of the waterproof sheet.

本実施形態の防水シート固定構造によれば、むやみに接着部の数を増加しなくても、防水シートの被固定部周囲に亀裂や裂けが発生するのを防止できるようになり、施工手間やコストの低減化を共に叶えることが可能となる。   According to the waterproof sheet fixing structure of the present embodiment, it becomes possible to prevent the occurrence of cracks and tears around the fixed part of the waterproof sheet without increasing the number of adhesive portions unnecessarily, Both cost reductions can be realized.

〔別実施形態〕
以下に他の実施の形態を説明する。
[Another embodiment]
Other embodiments will be described below.

〈1〉 前記接着部は、先の実施形態で説明した固定金具を設けて構成するものに限るものではなく、例えば、固定金具を使用せずに、屋根下地Gに対して、防水シートSを直に接着するものであってもよい。また、接着部の形状は、先の実施形態で説明した直線形状に限るものではなく、図8に示すように、曲線による形状や、直線と曲線との組み合わせによるものであってもよい。
また、線状の接着部を、先の実施形態で説明した帯板形状の固定金具2Bによって構成する場合、隣接する固定金具2B間に空間が出来ないように設置することが好ましいが、例えば、図11に示すように、固定金具2B間に隙間ができるものであっても、実質的に、防水シートの波立ちの原因とならないものであればよい。また、隣接する固定金具2B間に隙間が生じる場合であっても、図12に示すように、千鳥配列に固定金具2Bを設けてあれば、防水シートの波立ちのキャンセル効果を発揮することが可能である。
〈2〉 また、隅部Faは、先の実施形態で説明した屋根平面の外縁部全周を対象とするものに限るものではなく、例えば、図5〜8に示すように、屋根平面の四隅を隅部Faとしてあってもよい。要するに、風によってピーク外圧が作用しやすい隅部分を、対象として隅部を設定すればよい。
また、屋根に塔屋Bが存在しているような場合は、塔屋Bの周囲部分の屋根平面にも風によるピーク外圧が作用する可能性があり、図9、図10に示すように、塔屋Bの回りに関しても前記隅部Faを設定することもある。即ち、本発明に係わる隅部には、入隅の他、出隅も含まれるものである。
<1> The adhesive portion is not limited to the one provided with the fixing bracket described in the previous embodiment. For example, the waterproof sheet S is attached to the roof base G without using the fixing bracket. It may be bonded directly. Further, the shape of the bonded portion is not limited to the linear shape described in the previous embodiment, and may be a curved shape or a combination of a straight line and a curved line as shown in FIG.
Further, when the linear adhesive portion is configured by the band-shaped fixing bracket 2B described in the previous embodiment, it is preferable that the linear bonding portion is installed so that there is no space between the adjacent fixing brackets 2B. As shown in FIG. 11, even if there is a gap between the fixtures 2B, it may be anything that does not substantially cause the ripples of the waterproof sheet. Further, even when a gap is generated between the adjacent fixing brackets 2B, as shown in FIG. 12, if the fixing brackets 2B are provided in a staggered arrangement, the effect of canceling the ripples of the waterproof sheet can be exhibited. It is.
<2> Further, the corner Fa is not limited to the one that covers the entire outer edge of the roof plane described in the previous embodiment. For example, as shown in FIGS. May be used as the corner Fa. In short, it is only necessary to set the corner as a target for the corner where the peak external pressure is easily applied by the wind.
Further, when the tower B exists on the roof, there is a possibility that the peak external pressure due to the wind also acts on the roof plane around the tower B. As shown in FIGS. 9 and 10, the tower B The corner Fa may be set also around the corner. In other words, the corners according to the present invention include not only the entrance corners but also the exit corners.

尚、上述のように、図面との対照を便利にするために符号を記したが、該記入により本発明は添付図面の構成に限定されるものではない。   In addition, as mentioned above, although the code | symbol was written in order to make contrast with drawing convenient, this invention is not limited to the structure of an accompanying drawing by this entry.

防水シートの固定状況を示す要部切欠き斜視図Cutaway perspective view of the main part showing the fixing state of the waterproof sheet 円板形状の固定金具の取付状態を示す断面図Sectional view showing the mounting state of the disk-shaped fixing bracket 帯板形状の固定金具の取付状態を示す断面図Sectional view showing the mounting state of the strip-shaped fixing bracket 防水シート固定状況を示す切欠き平面図Notched plan view showing how the waterproof sheet is secured 別実施形態の固定金具配置を示す平面図The top view which shows the fixing bracket arrangement | positioning of another embodiment 別実施形態の固定金具配置を示す平面図The top view which shows the fixing bracket arrangement | positioning of another embodiment 別実施形態の固定金具配置を示す平面図The top view which shows the fixing bracket arrangement | positioning of another embodiment 別実施形態の固定金具配置を示す平面図The top view which shows the fixing bracket arrangement | positioning of another embodiment 別実施形態の固定金具配置を示す平面図The top view which shows the fixing bracket arrangement | positioning of another embodiment 別実施形態の固定金具配置を示す平面図The top view which shows the fixing bracket arrangement | positioning of another embodiment 別実施形態の固定金具配置を示す要部平面図The principal part top view which shows the fixing bracket arrangement | positioning of another embodiment 別実施形態の固定金具配置を示す要部平面図The principal part top view which shows the fixing bracket arrangement | positioning of another embodiment

符号の説明Explanation of symbols

1 接着部
G 屋根下地
F 屋根平面
Fa 隅部
Fb 他部
S 防水シート
1 Bonding part G Roof base F Roof plane Fa Corner part Fb Other part S Waterproof sheet

Claims (4)

屋根下地上に、局部的な接着部を介して防水シートを固定してある防水シート固定構造であって、
屋根平面における隅部と他部との境界部に沿って、線状に前記接着部を形成してあり、前記隅部と他部のそれぞれの範囲内には、複数の点状の接着部を間隔をあけて形成し、前記隅部における点状の接着部どうしの間隔は、前記他部における点状の接着部どうしの間隔より小さく設定してある防水シート固定構造。
A waterproof sheet fixing structure in which a waterproof sheet is fixed on a roof base via a local adhesive part,
Along the boundary between the corner portion and the other portion of the roof plane, Ri tare forming the adhesive portion linearly, the corner portion and the within each of the other portions, a plurality of point-like bonding portion was formed at intervals, the interval of the point-like adhesive portion each other in the corners, the other portion is set smaller than the point-like spacing adhesion portion each other in the tear Ru tarpaulin fixed structure.
前記接着部は、前記隅部と前記他部との境界部の全長にわたって形成してある請求項1に記載の防水シート固定構造。   The waterproof sheet fixing structure according to claim 1, wherein the adhesive portion is formed over the entire length of a boundary portion between the corner portion and the other portion. 前記隅部は、矩形形状の屋根平面の外縁部である請求項1又は2に記載の防水シート固定構造。   The waterproof sheet fixing structure according to claim 1, wherein the corner portion is an outer edge portion of a rectangular roof plane. 前記隅部は、矩形形状の屋根平面の四隅である請求項1又は2に記載の防水シート固定構造。   The waterproof sheet fixing structure according to claim 1 or 2, wherein the corners are four corners of a rectangular roof plane.
JP2004264087A 2004-09-10 2004-09-10 Waterproof sheet fixing structure Active JP4679100B2 (en)

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Publication number Priority date Publication date Assignee Title
JP7308537B2 (en) * 2020-10-13 2023-07-14 アーキヤマデ株式会社 Rooftop waterproof structure

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04254649A (en) * 1991-02-07 1992-09-09 Yamade:Kk Waterproof sheet application method for building
JP2001090269A (en) * 1999-09-21 2001-04-03 Tsutsunaka Sheet Bosui Kk Flat roof construction
JP2002180606A (en) * 2000-12-11 2002-06-26 Tsutsunaka Sheet Bosui Kk Waterproof sheet fixing composite plate for corner portion of building

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04254649A (en) * 1991-02-07 1992-09-09 Yamade:Kk Waterproof sheet application method for building
JP2001090269A (en) * 1999-09-21 2001-04-03 Tsutsunaka Sheet Bosui Kk Flat roof construction
JP2002180606A (en) * 2000-12-11 2002-06-26 Tsutsunaka Sheet Bosui Kk Waterproof sheet fixing composite plate for corner portion of building

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