JP2005068746A - Roof material - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a roof material having workability not demonstrated heretofore as a roof material and having a waterproof function, heat insulation function, dew-proofing function, and the like. <P>SOLUTION: The roof material A comprises, in the tip end of the upstream side of a decoration face 4, a cutoff piece 13 projected upward, a cutoff piece 14 projected to the downstream side of the waterproof piece 13, a lower piece 16 in which the tip end of the cutoff piece 14 is folded to the upstream side, and an upper piece 18 in which the tip end of the lower piece 16 is folded to the downstream side and projected to the downstream side than the waterproof piece 13, and further comprises, in the tip end of the downstream side of the decoration face 4, a stepped decorative face 6 suspended downward, the deepest piece 8 projected downward at the vicinity of the front end of the decolation face 4, and an insertion piece 9 of the tip end of the deepest piece 8, projected to the downstream side. When the cutoff piece 14 is connected, the piece 14 becomes always in contact with the rear face in the vicinity of the downstream end of the decorative face, and the tip end of the piece 14 is fitted in the inside of the stepped decorative face 6. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

本発明は、屋根材として今までにない施工性を有し、かつ防水機能、断熱機能、結露防止機能、等を形成した屋根材に係るものである。   The present invention relates to a roofing material that has unprecedented workability as a roofing material and that has a waterproof function, a heat insulating function, a dew condensation prevention function, and the like.

一般に、金属製板材をロール成形、プレス成形等して加工した屋根材は数多く上市され、その形状は、所謂引っ掛け構造であった。（例えば、特許文献１、２参照）。   In general, many roof materials obtained by processing metal plate materials by roll molding, press molding, and the like have been put on the market, and the shape thereof is a so-called hook structure. (For example, refer to Patent Documents 1 and 2).

特開２００２−０３８６５８号公報JP 2002-038658 A 特開２００２−１５５６０２号公報JP 2002-155602 A

しかしながら、特許文献１、２は引っ掛け構造であるために、勾配が急な屋根に使用した際に、連結した上段の屋根材が自重で落ちてくるので、上段の屋根材の固定部を固定具（釘）で固定するまで、屋根材が落ちないように手で押さえている必要があり、施工が大変であった。   However, since Patent Documents 1 and 2 have a hook structure, when used on a roof with a steep slope, the connected upper roof material falls by its own weight. Until it was fixed with (nails), it was necessary to hold it by hand so that the roofing material did not fall, and the construction was difficult.

本発明はこのような欠点を解決するために化粧面の水上側の先端には上方に突出した防水片と、防水片の先端を水下側に突出した止水片と、止水片の先端を水上側へ折り返した下片と、下片の先端を水下側へ折り返し防水片よりも水下側へ突出した上片を形成し、化粧面の水下側の先端には下方に垂下した段差化粧面と、化粧面の先端近傍を下方に突出した最奥片と、最奥片の先端を水下側に突出した差込片を形成し、止水片が連結時に常時化粧面水下端近傍裏面に接触した状態になると共に、段差化粧面内側に止水片の先端が嵌合されるように形成した屋根材を提供するものである。   In order to solve such drawbacks, the present invention provides a waterproof piece protruding upward at the water-side tip of the decorative surface, a water-stopping piece protruding from the water-proof tip, and a water-stopping tip. The lower piece is folded back to the water side, and the top of the lower piece is folded back to the water side to form the upper piece that protrudes below the waterproof piece. Forms a stepped decorative surface, an innermost piece that projects downward near the tip of the decorative surface, and an insertion piece that projects the tip of the innermost piece to the underwater side. The roof material formed so that the front-end | tip of a water stop piece may be fitted in the state which contacted the near back surface and the level | step difference decorative surface inside is provided.

本発明に係る屋根材によれば、（１）屋根材を落とし込み構造としても、止水溝の形成により防水性を維持できる。（２）勾配が急な屋根に使用しても、連結した上段の屋根材が自重で落ちてくることがないために、屋根材が落ちないように手で押さえている必要が無く、施工が楽である。（３）段差化粧面の形成により段差を形成し、屋根に重厚感を付与すると共に、内部に空間を形成し、直接、風雨が屋根材の連結部に当たらない。（４）段差化粧面が屋根材同士の連結の際に形成される連結部の隙間、所為、段差化粧面の先端部分と、止水片の先端部分が上下に存在形成するような形状にすることにより、防水性を向上する。等の特徴、効果がある。   According to the roof material which concerns on this invention, (1) Even if it makes a roof material drop structure, waterproofness can be maintained by formation of a water stop groove. (2) Even if it is used on a steep roof, the connected upper roof material does not fall under its own weight, so there is no need to hold it down by hand so that the roof material does not fall. It is easy. (3) A step is formed by forming a stepped decorative surface to give a solid feeling to the roof, and a space is formed inside, so that wind and rain do not directly hit the connecting portion of the roofing material. (4) The stepped decorative surface is formed in such a way that the gap between the connecting portions formed when the roofing materials are connected to each other, that is, the tip portion of the stepped decorative surface and the tip portion of the water stop piece are formed vertically. As a result, waterproofness is improved. There are features and effects.

以下に図面を用いて本発明に係る屋根材について詳細に説明する。図１（ａ）、（ｂ）は金属製屋根材Ｂと裏打材Ｃよりなる屋根材Ａの代表的一例を示す説明図、図２は取付具Ｄを示す断面図、図３（ａ）、（ｂ）、図４は屋根材Ａの施工状態を示す説明図である。図中、αは下地、βは釘等の固定具を示している。   The roof material according to the present invention will be described in detail below with reference to the drawings. 1 (a) and 1 (b) are explanatory views showing a typical example of a roofing material A made of a metal roofing material B and a backing material C, FIG. 2 is a sectional view showing a fixture D, FIG. 3 (a), (B), FIG. 4 is explanatory drawing which shows the construction state of the roofing material A. FIG. In the figure, α indicates a base, and β indicates a fixture such as a nail.

下地αは、新築の際は図３（ａ）、（ｂ）に示すように垂木１、野地板２、防水シート３（一点鎖線で示す）から構成した木造下地を示したものである。すなわち、垂木１上に野地板２を敷設し、野地板２上に防水シート３を配設した一般的な構造の下地αである。また、下地αとしてＨ形鋼、Ｉ形鋼、ミゾ形鋼、軽量ミゾ形鋼、リップ溝形鋼、等辺山形鋼、不等辺山形鋼、角形鋼（角パイプ）、円形鋼（円形パイプ）、等を使用した鉄骨下地でも良いものである。勿論、既存の屋根をそのまま改修する屋根の際には、これら下地α上に新生瓦や瓦棒等の既存屋根（図示せず）が形成された既存屋根構造が下地αとなるものである。勿論、防水シート３を形成しない下地αでも良いものである。   The base α indicates a wooden base composed of a rafter 1, a field plate 2, and a waterproof sheet 3 (indicated by a one-dot chain line) as shown in FIGS. 3 (a) and 3 (b). That is, it is a base α having a general structure in which a base plate 2 is laid on the rafter 1 and a waterproof sheet 3 is disposed on the base plate 2. In addition, as base α, H-shaped steel, I-shaped steel, grooved steel, lightweight grooved steel, lip groove shaped steel, equilateral angled steel, unequal angled angled steel, square steel (square pipe), round steel (circular pipe), It is also possible to use a steel base using, for example. Of course, when the existing roof is refurbished as it is, the existing roof structure in which an existing roof (not shown) such as a new tile or a tile rod is formed on the base α is the base α. Of course, the base α on which the waterproof sheet 3 is not formed may be used.

金属製屋根材Ｂは、例えば金属板（カラー鋼板、銅板、アルミニウム板、チタン板、ステンレス板、サンドイッチ鋼板、クラッド鋼板等）等をロール成形、プレス成形、押出成形、等によって形成したものである。勿論、屋根材Ａの表面材として、金属製屋根材Ｂの代わりに窯業系素材、もしくは合成樹脂材（プラスチック）、等で形成してもよいものである。   The metal roof material B is formed by roll forming, press forming, extrusion forming, or the like of a metal plate (color steel plate, copper plate, aluminum plate, titanium plate, stainless steel plate, sandwich steel plate, clad steel plate, etc.), for example. . Of course, as a surface material of the roof material A, instead of the metal roof material B, it may be formed of a ceramic material, a synthetic resin material (plastic), or the like.

さらに説明すると、金属製屋根材Ｂは長尺板状であり、図１に示すように、略水平面状の化粧面４と、裏面５と、化粧面４の先端を下方に垂下した段差化粧面６と、段差化粧面６と化粧面４に沿って内側方に突出した上片７と、上片７の先端を下方に突出した最奥片８と、最奥片８の先端を水下側に突出した差込片９と、上片７と最奥片８と差込片９とから略コ字状の係合溝１０を形成し、段差化粧面６と差込片９間に挿入間隙１１を形成して雄型連結部１２としたものである。   More specifically, the metal roofing material B has a long plate shape, and as shown in FIG. 1, a stepped decorative surface in which a substantially horizontal decorative surface 4, a back surface 5, and a tip of the decorative surface 4 are suspended downward. 6, an upper piece 7 projecting inward along the stepped decorative surface 6 and the decorative surface 4, an innermost piece 8 projecting the tip of the upper piece 7 downward, and a tip of the innermost piece 8 on the water side A substantially U-shaped engagement groove 10 is formed from the insertion piece 9 protruding in the upper part, the upper piece 7, the innermost piece 8 and the insertion piece 9, and an insertion gap between the stepped decorative surface 6 and the insertion piece 9 is formed. 11 is formed as a male connecting portion 12.

また、図１に示すように、化粧面４の水上側端部には化粧面４の先端を上側に屈曲して形成した防水片１３と、防水片１３の先端を水下側に突出した止水片１４と、防水片１３と止水片１４とからなる止水溝１５と、止水片１４の先端を水上側へ折り返した下片１６と、止水片１４と下片１６とからなる嵌合溝１７と、下片１６の先端を水下側へ折り返した上片１８と、上片１８の先端をハゼ状に屈曲した防水突起１９とから雌型連結部２０を形成したものである。   Further, as shown in FIG. 1, a waterproof piece 13 formed by bending the tip of the decorative surface 4 upward at the water-side end of the decorative surface 4, and a stopper that protrudes the tip of the waterproof piece 13 downward. It consists of a water piece 14, a water stop groove 15 composed of a waterproof piece 13 and a water stop piece 14, a lower piece 16 in which the tip of the water stop piece 14 is folded back to the water side, and a water stop piece 14 and a lower piece 16. A female connecting portion 20 is formed from the fitting groove 17, the upper piece 18 in which the tip of the lower piece 16 is folded down to the water side, and the waterproof protrusion 19 in which the tip of the upper piece 18 is bent in a goby shape. .

段差化粧面６は、段差を形成し屋根に重厚感を付与すると共に、内部に空間を形成し、直接、風雨が屋根材Ａの連結部に当たらないように形成すると共に、屋根材Ａ同士の連結の際に形成される連結部の隙間、所為、段差化粧面６の先端部分と、止水片１４の先端部分が上下に存在するような形状にすることにより、防水性を向上するものである。   The stepped decorative surface 6 forms a step and gives a solid feeling to the roof, forms a space inside, and prevents the wind and rain from directly hitting the connecting portion of the roofing material A. It is designed to improve the waterproof property by forming the gap between the connecting portions formed at the time of connection, the reason, the tip portion of the stepped decorative surface 6 and the tip portion of the water stop piece 14 above and below. is there.

さらに詳説すると、図１（ｂ）に示すように、挿入間隙１１の幅をＨ、係止片１９の先端から防水突起１６の先端までの幅をｈとすると、Ｈ≒ｈでＨ＞ｈ（Ｈ≧ｈ）の関係である。   More specifically, as shown in FIG. 1B, when the width of the insertion gap 11 is H and the width from the tip of the locking piece 19 to the tip of the waterproof protrusion 16 is h, H≈h and H> h ( H ≧ h).

この関係により、防水突起１６が挿入間隙１１内に嵌合された状態となるものである。   Due to this relationship, the waterproof protrusion 16 is fitted in the insertion gap 11.

挿入間隙１１は、図３（ａ）に示すように挿入して屋根材Ａ同士を連結する際に、段差化粧面６が邪魔にならないように、止水片１４が係合溝１０内に挿入できるように形成したものである。   The insertion gap 11 is inserted into the engagement groove 10 so that the stepped decorative surface 6 does not get in the way when the roof material A is connected as shown in FIG. It is formed so that it can be done.

さらに詳説すると、図１（ｂ）に示すように、挿入間隙１１の幅をＨ、係止片１９の先端から防水突起１６の先端までの幅をｈとすると、Ｈ≒ｈでＨ＞ｈの関係である。   More specifically, as shown in FIG. 1B, if the width of the insertion gap 11 is H and the width from the tip of the locking piece 19 to the tip of the waterproof protrusion 16 is h, H≈h and H> h. It is a relationship.

この関係により、防水突起１６が挿入間隙１１内に嵌合された状態となるものである。   Due to this relationship, the waterproof protrusion 16 is fitted in the insertion gap 11.

止水片１４は、防水片１３の先端を水下側へ突出することにより、断面コ字状の止水溝１５を形成し、防水性の向上のために形成したものである。   The water stop piece 14 is formed to improve the waterproof property by forming a water stop groove 15 having a U-shaped cross section by projecting the tip of the waterproof piece 13 to the water side.

止水片１４と防水突起１９は図３（ｂ）に示すように、屋根材Ａ同士を連結した際に上片７にそのスプリングバックにより接触した状態で形成されるために、常時防水性・機密性の良い状態が維持されるものである。   As shown in FIG. 3B, the water-stopping piece 14 and the waterproof protrusion 19 are formed in a state in which the roof material A is in contact with the upper piece 7 by the spring back when the roofing materials A are connected to each other. A state of good confidentiality is maintained.

嵌合溝１７には後記する取付具Ｄの係止片２３が挿入され、取付具Ｄの固定片２１を釘等の固定具βにより下地αに固定することにより、屋根材Ａを固定するものである。   A locking piece 23 of a fixture D, which will be described later, is inserted into the fitting groove 17, and the roof material A is fixed by fixing the fixing piece 21 of the fixture D to the base α with a fixture β such as a nail. It is.

裏打材Ｃは防水材、断熱材、吸音材、緩衝材、防火材、結露防止材、等として機能するものであり、不織布、合成樹脂製発泡シート（架橋化発泡ポリエチレンシート、等）、ロックウール、テックス（軟質繊維板）、ゴムシート、樹脂シート、等、あるいはこれらに遮音材、耐火材等を含浸、含有、混合、積層（一層、あるいは複数層）、サンドイッチ、等したものを使用することもできる。特に不織布は、縦糸と横糸を交差させて繊維から織物にする従来の方法と異なり、各種の繊維を接着剤等で結合した不織布等である。この不織布はまず繊維が平行に交差するか、また無秩序に配列された薄いフェルト状のものを接着剤で結合させるか、または主体となる繊維状態の中に別の熱可塑性繊維を混在させて、加熱および加圧して溶融し相互に結合させたりして作られたものである。勿論、素材自体に防水性の無いものには、樹脂材をコーティング、あるいは撥水剤、防水コーティング剤、等で防水機能を片面あるいは両面に付加したものである。   The backing material C functions as a waterproof material, heat insulating material, sound absorbing material, shock absorbing material, fireproof material, anti-condensation material, etc., non-woven fabric, synthetic resin foam sheet (cross-linked foamed polyethylene sheet, etc.), rock wool , Tex (soft fiber board), rubber sheet, resin sheet, etc., or impregnated, contained, mixed, laminated (single layer or multiple layers), sandwich, etc. with a sound insulation material, fireproof material, etc. You can also. In particular, the non-woven fabric is a non-woven fabric in which various fibers are bonded with an adhesive or the like, unlike a conventional method in which warps and wefts are crossed to make a fabric from a fiber. In this nonwoven fabric, fibers are crossed in parallel, or a thin felt-like material arranged randomly is bonded with an adhesive, or another thermoplastic fiber is mixed in the main fiber state, It is made by melting by heating and pressing and bonding them together. Of course, if the material itself is not waterproof, a resin material is coated, or a waterproof function is added to one or both sides with a water repellent, a waterproof coating agent, or the like.

屋根材Ａの固定には、図２に示すような固定片２１、突出片２２、係止片２３よりなる取付具Ｄを使用し、図３（ａ）、（ｂ）に示すように施工するものである。なお、取付具Ｄは短尺（２０ｍｍ〜６０ｍｍ位）のものを使用するものである。勿論、長尺状でも可能である。   For fixing the roofing material A, a fixture D including a fixing piece 21, a protruding piece 22, and a locking piece 23 as shown in FIG. 2 is used, and construction is performed as shown in FIGS. 3 (a) and 3 (b). Is. In addition, the fixture D uses a short thing (about 20 mm-60 mm). Of course, a long shape is also possible.

以上説明したのは本発明に係る屋根材の一実施例にすぎず、図５（ａ）、（ｂ）、図６（ａ）、（ｂ）に示すように屋根材Ａを形成することもできる。   What has been described above is only one embodiment of the roofing material according to the present invention, and the roofing material A may be formed as shown in FIGS. 5 (a), 5 (b), 6 (a), 6 (b). it can.

本発明に係る屋根材によれば、今まで実際に使用されたことのなかった落とし込み構造の屋根材として市場に上市されれば、金属製屋根材の大きな市場を創出できる。   According to the roofing material according to the present invention, if it is put on the market as a roofing material having a drop structure that has not been actually used until now, a large market of metal roofing material can be created.

本発明に係る屋根材の代表的一例を示す説明図である。It is explanatory drawing which shows a typical example of the roofing material which concerns on this invention. 本発明に係る屋根材を固定するための取付具の代表的一例を示す説明図である。It is explanatory drawing which shows a typical example of the fixture for fixing the roof material which concerns on this invention. 本発明に係る屋根材の施工状態を示す説明図である。It is explanatory drawing which shows the construction state of the roof material which concerns on this invention. 本発明に係る屋根材の施工状態を示す説明図である。It is explanatory drawing which shows the construction state of the roof material which concerns on this invention. 本発明に係る屋根材のその他の実施例を示す説明図である。It is explanatory drawing which shows the other Example of the roofing material which concerns on this invention. 本発明に係る屋根材のその他の実施例を示す説明図である。It is explanatory drawing which shows the other Example of the roofing material which concerns on this invention.

符号の説明Explanation of symbols

α 下地
β 固定具
Ａ 屋根材
Ｂ 金属製屋根材
Ｃ 裏打材
Ｄ 取付具
１ 垂木
２ 野地板
３ 防水シート
４ 化粧面
５ 裏面
６ 段差化粧面
７ 上片
８ 最奥片
９ 差込片
１０ 係合溝
１１ 挿入間隙
１２ 雄型連結部
１３ 防水片
１４ 止水片
１５ 止水溝
１６ 下片
１７ 嵌合溝
１８ 上片
１９ 防水突起
２０ 雌型連結部
２１ 固定片
２２ 突出片
２３ 係止片

α base β fixing tool A roof material B metal roof material C backing material D mounting tool 1 rafter 2 field plate 3 waterproof sheet 4 decorative surface 5 back surface 6 step decorative surface 7 upper piece 8 innermost piece 9 insertion piece 10 engagement Groove 11 Insertion gap 12 Male connecting part 13 Waterproof piece 14 Water stopping piece 15 Water stopping groove 16 Lower piece 17 Fitting groove 18 Upper piece 19 Waterproof protrusion 20 Female die connecting part 21 Fixed piece 22 Protruding piece 23 Locking piece

Claims (1)

化粧面の水上側の先端には上方に突出した防水片と、該防水片の先端を水下側に突出した止水片と、該止水片の先端を水上側へ折り返した下片と、該下片の先端を水下側へ折り返し防水片よりも水下側へ突出した上片を形成し、化粧面の水下側の先端には下方に垂下した段差化粧面と、化粧面の先端近傍を下方に突出した最奥片と、該最奥片の先端を水下側に突出した差込片を形成し、止水片が連結時に常時化粧面水下端近傍裏面に接触した状態になると共に、段差化粧面内側に止水片の先端が嵌合されるように形成したことを特徴とする屋根材。
A waterproof piece projecting upward at the water-side tip of the decorative surface, a water-stop piece projecting the tip of the waterproof piece to the water-side, and a bottom piece folding the tip of the water-stop piece to the water-side, A tip of the lower piece is folded back to the water side to form an upper piece that protrudes to the water side of the waterproof piece. An innermost piece protruding downward in the vicinity and an insertion piece protruding the tip of the innermost piece underwater are formed, and the water-stopping piece is always in contact with the back surface near the lower surface of the makeup surface when connected. In addition, the roof material is characterized in that the tip of the water-stopping piece is fitted inside the stepped decorative surface.

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