JP2019105039A - Roofing structure with internal and external corner - Google Patents

Abstract

To provide a roofing structure having excellent workability and waterproofness, which does not require a roofing material to be cut short in a corner valley to be laid in a slope roof having a corner ridge and a valley which are close to each other.SOLUTION: A valley plate 3 having a shallow V-shaped valley gutter surface 31 is attached along a valley part V of a gradient roof having an internal and external corner Z. Further, a corner ridge cover 9 having a low mountain top surface part 91 is attached along a corner ridge A parallel to the valley part V so that one side edge thereof covers the valley gutter surface 31 on one side of the valley plate 3. The valley plate 3, the corner ridge cover 9, and a corner valley cover 7 interposed therebetween form an integral and continuous waterproof surface, and the roof surface of the valley is covered by the waterproof surface.SELECTED DRAWING: Figure 5

Description

  The present invention relates to a roofing structure of a sloped roof using a roofing material made of metal sheet, and more particularly to a roofing structure applied to a portion where a corner (corner ridge) and an entrance corner (valley) are close to each other. .

  A roofing structure using a roofing material made of a metal plate is classified into a horizontal method and a vertical method, but as a roofing structure of the vertical method, for example, the one disclosed in Patent Document 1 is known . In addition, the applicant of the present invention has also commercialized the vertical roofing structure (connection structure of roofing material) described in Patent Documents 2 and 3 and the like, and has adopted it for the roof of various buildings.

JP 2001-288857 A JP, 2013-133609, A JP, 2016-205120, A

  When trying to apply the vertical roofing structure as described above to a building with a parched roof or a rectangular roof, the corner ridges connecting the roof slope in a mountain shape basically have the upper edge of the roofing material Cut diagonally along the corner ridge, and fit the corner ridge cover on it. Moreover, although the valley part which a roof slope connects like valley shape is formed in the building of the deformation roof which a plurality of large buildings connect by changing direction and height, the valley part is a valley board (valley valley) The roofing material which cut the lower end edge diagonally along the valley is piled up (see, for example, FIGS. 21 to 26 of Patent Document 1). As described above, in the corner ridges and valleys of the roof, it is necessary to subject the roofing material to processing such as edge cutting and bending, and to contact them with other members and to stack them well. These tasks require specialized skills, which greatly affects the workability of roofing work.

  Moreover, since the corner ridges and valleys (especially the valleys) are likely to be weak points in waterproofing, it is necessary to secure a sufficient overlapping width of the roofing material and other members. FIG. 1 is a roof plan showing an example of a sloped roof. In this sloped roof, a small entrance corner Z is formed at a part of the eaves in the direction of the girder row in the roof of the roof, for example, due to the complex shape of the site, etc. have. In the figure, the code | symbol A is a corner ridge and the code | symbol V is a valley part.

  As for the assumed dimensions of each part in the roof of the illustrated embodiment, the roof slope is 1/10 to 2/10 (one size to two size slope), the working width of the roofing material 101 is 300 to 400 mm, and the ridge cover 102 and the corner ridge 103 The width is 200 to 400 mm, and the dimension D of the in / out corner is 400 to 800 mm. As described above, in the case of a roof having a small entrance corner size D, it is extremely troublesome to cut the roofing material 101 short on the roof surface in the corner valleys indicated by the halftone dots in the drawing, and to lay it on precisely. In addition, the fitting of the short cut roofing material 101 and the overlapping portion of the other members becomes tight, and the risk of waterproofing also increases.

  Therefore, the present invention is excellent in workability and waterproofness in a sloped roof provided with an entrance corner in which a corner ridge and a valley portion are in close proximity, and it is not necessary to cut a roofing material short in the corner and short. Provide a roofing structure.

  In order to achieve the above-mentioned object, the roofing structure of the ingress corner according to the present invention has a valley plate attached along the valley of the sloped roof having the ingress corner and along a ridge parallel to the valley, The corner ridge cover adopts a basic configuration in which one side edge is attached to cover the valley plate.

  Furthermore, in addition to the above-described basic configuration, the roofing structure of the ingress and egress corners of the present invention adopts a configuration in which a corner and valley cover is interposed at an attachment location where the valley plate and the corner ridge cover overlap. .

  Furthermore, according to the roofing structure of the ingress and egress corners of the present invention, a total of half of the effective width of the valley face of the valley plate and half of the width of the corner ridge cover is larger than the distance between the corner and valley. Adopt the configuration.

  The roofing structure of the present invention configured as described above is configured such that the valley plate mounted along the valley portion is covered by one side edge of the corner ridge cover attached along the corner ridge. As a result of eliminating the need for troublesome on-site work such as cutting and laying roofing material in the valley short, the fitting of members is simplified as a whole. This will greatly improve the workability and reduce the risk of waterproofing. In addition, the aesthetic appearance of the finish of the entering and leaving corner becomes neat.

It is a roof plan which shows an example of the sloped roof which has an entrance corner. It is explanatory drawing (1) which shows the roofing structure of the entrance / exit applied to the gradient roof of FIG. 1 along a construction procedure. It is explanatory drawing (2) which shows the roofing structure of the entrance and exit applied to the gradient roof of FIG. 1 along a construction procedure. It is explanatory drawing (3) which shows the roofing structure of the entrance and exit applied to the gradient roof of FIG. 1 along a construction procedure. It is explanatory drawing (4) which shows the roofing structure of the entrance and exit applied to the gradient roof of FIG. 1 along a construction procedure. FIG. It is a perspective view of an eaves valley board. It is sectional drawing of a valley board. It is sectional drawing of a corner ridge base. It is sectional drawing of a base in a corner. It is a perspective view of a roofing material. It is a sectional view of a corner valley cover. It is sectional drawing of a corner ridge apron. It is sectional drawing of a corner ridge cover. It is a perspective view of a corner ridge cover attached to the lowermost part.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  FIGS. 2-5 is explanatory drawing which shows the roofing structure of this invention applied to the entrance corner Z of a slope roof as shown in FIG. 1 along a construction procedure. In each drawing, a top view near the entrance / exit corner Z and a longitudinal sectional view (X-X) orthogonal to the inclination direction of the entrance / exit corner Z are shown in combination. The slope of the illustrated roof is 1/10, and the dimension D of the entrance corner Z is 500 mm. Moreover, FIGS. 6-15 is a figure which shows the shape etc. of each member employ | adopted as the said roofing structure.

  As shown in FIG. 2, the roof base surface for tensioning a roofing material is a roof plate 11 tensioned on the top surface of a roof frame composed of unshown purlins, eaves, elevated beams, main houses, etc. It is formed by the foundation waterproofing layer 12 which consists of asphalt roofing etc. laid without gap on top.

  An eaves tip 2 made of a metal plate is attached to the lower water side edge of the base plate 11. The eaves end arabesque 2 is a member having a cross-sectional shape as shown in FIG. 6 and has a water return gore 21 and a fixing piece 22 formed on the upper edge, and the fixing piece 22 is screwed to the base plate 11 (or similar). Be done. In the entry and exit corner Z, the entry corner arabesque 2a and the entry corner arabesque 2b pre-processed into an L-shape in top view according to the shape of the exit corner and the entry corner are attached with an appropriate overlapping width Be At the upper edge of the advent corner arabesque 2a and the entering corner arabesque 2b, there is provided a portion without the water return goby 21 and the fixing piece 22.

  Then, as shown in FIG. 3, along the valley V, a valley plate 3 having a shallow V-shaped valley ridge surface 31 is attached. As shown in FIG. 7, the lower end edge of the valley surface 31 is concavely cut in a right V-shape in top view as shown in FIG. 7 so that the eaves valley plate 3b attached most under water is covered on the front surface of the entry corner arabesque 2b. It has a shape that is bent diagonally downward. As shown in FIG. 8, the valley plate 3 wound on the water upper side of the eaves valley plate 3 is folded back on both side edges of the valley surface 31 to form a water return goe 32 and a fixing piece 33, and the fixing piece 33 is It is screwed to the base plate 11. The effective width Wb of the valley ridge surface 31 of the valley plate 3 excluding the water return gob 32 is about 270 mm.

  In addition, the corner ridge base 4 is attached to the corner ridge A first. The corner base 4 is a member having a cross-sectional shape as shown in FIG. 9, and the base pieces 42 project on both sides of the corner support portion 41 bent in a mountain shape, and the side edge of the base piece 42 is folded upward . The lower end edge of the corner base 4 is convexly cut in a V-shape with a right-angled top view, along the upper edge of the arabesque 2a for emerging corner. The corner base 4 is disposed several tens of mm away from the eaves valley plate 3 and the valley plate 3.

  Next, as shown in FIG. 4, the corner and valley base 5 is attached so as to straddle between the valley plate 3 and the corner base 4. Corner valley base 5 is a member having a cross-sectional shape as shown in FIG. 10, and locking piece 52 is formed on the valley V side of main body 51 having a height similar to that of roofing material 6 described later. A fixed piece 53 projects on the A side. Then, the locking piece 52 is inserted under the water return go 32 of the valley plate 3, the fixing piece 53 is superimposed on the base piece 42 of the corner base 4, and the fixing piece 53 is of the corner base 4. It is screwed to the base plate 11 together with the base piece 42. The gap between the corner base 4 and the valley plate 3 is covered by the corner base 5.

  In addition, although the roofing material 6 of the vertical laying method is anchored in general parts other than the corner of the slope roof, as the roofing material 6, for example, the one described in the above-mentioned Patent Document 3 is used . The roofing material 6 is, as shown in FIG. 11, a long rectangular glazing body 61 whose longitudinal direction is the longitudinal direction, and the upper gobys formed on both side edges thereof and fitted to each other roofing material 6. 62 and a lower lid 63, and an upper joint 64 and a lower joint 65 which are respectively formed on the underside and upper side edges of the water and connected to the other roofing members 6 at the upper and lower sides. On the valley V side, the lower end edge of this roofing material 6 is cut obliquely along the valley V and folded downward, and the folded piece is inserted into the bottom of the water return goug 32 of the valley plate 3 Be fixed. Further, on the corner ridge A side, the upper joint 64 of the roofing material 6 on the water side is inserted below the eaves 2 of the eaves 2 of the repellant goby 21, and the upper end edge is cut diagonally along the corner ridge A The upper edge is raised on the base piece 42 of the corner base 4.

  Then, as shown in FIG. 5, the corner and valley cover 7 is overlapped on the corner and valley base 5 with the corner ridge base 4 interposed therebetween, and the corner ridge apron 8 is overlapped on the roofing material 6. And the ridge covers 9 are placed over them.

  The corner and valley cover 7 is a member having a cross-sectional shape as shown in FIG. 12, and hangs from an upper surface portion 71 overlapped and screwed to the main body portion 51 of the corner and valley ground 5 and A side piece 72 and an upright piece 73 rising from a side edge of the top surface 71 at the corner ridge A side are provided.

  Further, the corner apron 8 is a member having a shape as shown in FIG. 13 and has a step-like upper surface portion 81 and a side piece 82 hanging down from the side edge of the upper surface portion 81. A notch 83 straddling the fitting position of the upper gob 62 and the lower gob 63 of the material 6 is formed.

  The corner cover 9 is a member having a cross-sectional shape as shown in FIG. 14 and has a low chevron top surface 91, side portions 92 depending from its both side edges, and fixing pieces 93 projecting on both sides, The side edge of the piece 93 is folded downward. As shown in FIG. 15, the lower end edge of the top surface 91 is convexly cut into a right-angled V-shape in top view as shown in FIG. An eaves tip hanging piece 94 reaching up to 2 is joined with a rivet or the like. The width Wa of the corner cover 9 is about 450 mm. The corner cover 9 is put over the whole corner ridge A, and one fixing piece 93 is on the corner and valley cover 7 and the other fixing piece 93 is on the corner ridge apron 8 and the roofing material 6 upper goe 62 and lower goe 63 Each is screwed to the mating point with. Thus, the valley plate 3 and the corner ridge cover 9 form a waterproof surface integrally continuous with the corner and valley cover 7 interposed therebetween, and the roof surface in the corner and valley is covered by the waterproof surface.

  That is, according to the present invention, the corner plate 3 disposed along the valley portion V and the corner ridge cover 9 disposed along the corner ridge A are formed integrally as one piece so that they overlap with each other. The roofing material 6 is not installed in the valley. In order to enable the overlapping of the valley plate 3 and the corner ridge cover 9, the half width of the effective width Wb of the valley ridge surface 31 excluding the water return go 32 of the valley plate 3 and the width Wa of the corner ridge cover 9 The sum of the half and the half needs to be slightly larger than the distance S between the comers and valleys (= the dimension D / 出 2 of the in / out corner Z). In the illustrated embodiment, the dimension setting of Wb / 2 + Wa / 2 = 135 + 225 = 360 (mm) is employed for S = 500/22 ≒ 354 (mm). Such design criteria can be applied to deformed roofs having a dimension D of about 1 m at the entrance corner Z as a guide.

  Thus, the workability is greatly improved and the risk of waterproofing is also greatly improved by minimizing the detailed on-site processing of members arranged in the corner and the interaction between members as much as possible and simplifying the whole of the overlapping portion. It becomes smaller. Furthermore, the aesthetics of the finish are neat.

  The technical scope of the present invention should not be interpreted in a limited manner by the illustrated embodiments, and should be interpreted conceptually based on the recitation of the claims. The illustrated embodiment is an example, and it is possible to appropriately change the shape, size, connection between members, fixing means, etc. of details of each member as long as substantially the same function and effect as this can be obtained. It is.

  Further, the roofing structure of the present invention can be applied not only to the vertical roof but also to the horizontal roof if the details of the members are changed slightly.

11 field board 12 base waterproof layer 2 house arabesque 21 repelled goby 22 fixed piece 2a arabesque 2b for advent corner arabesque 3 valley plate 31 valley reed surface 3a soya valley plate 32 repellant gouge plate 33 fixed piece 4 corner ridge base 41 Corner ridge support portion 42 Base piece 5 Corner valley base 51 Body portion 52 Locking piece 53 Fixing piece 6 Roofing material 61 Top material body 62 Upper fly 63 Lower fly 64 Upper joint 65 Lower joint 7 Corner groove cover 71 Upper surface portion 72 side Piece 73 Standing piece 8 Corner ridge apron 81 Upper surface portion 82 Side piece 83 Notched portion 9 Corner ridge cover 91 Top surface portion 92 Side surface portion 93 Fixing piece 94 Tentral piece A Corner ridge V Valley portion R Large ridge

To achieve the foregoing objects, and out corner of roofing structure of the present invention, along with the valley plate along the valleys of the pitched roof with and out corners are attached, a corner along a corner building parallel to the valley In the roofing structure of the entry and exit where the ridge cover is attached, the sum of half of the effective width of the valley face of the valley plate and half of the width of the corner ridge is larger than the distance between the corner and valley. The basic structure is adopted , wherein the corner ridge cover is attached with its one side edge covering the valley plate.

Furthermore, in addition to the basic configuration described above, the roofing structure of the entrance and exit corner of the present invention is provided with a corner and valley cover and a corner and valley cover at an attachment location where the valley and the corner ridge cover overlap. Adopt the configuration.

Furthermore, in the roofing structure of the entrance and exit corner of the present invention, the corner ridge base is attached to the corner ridge apart from the valley plate, and the corner is straddled between the valley plate and the corner ridge base. A configuration is employed in which a valley base is attached and the corner and valley cover is stacked on the corner and valley base .

Claims (3)

A trough is attached along the valley of the sloped roof with entry and exit corners, and
A roofing structure for an ingress and egress corner, wherein a corner ridge cover is attached along a corner ridge parallel to the valley portion, with one side edge thereof covering the valley plate. In the roofing structure of the entrance corner described in claim 1,
A roofing structure at an entrance and exit corner characterized in that a corner and valley cover is intervened at a junction where the valley plate and the corner ridge cover overlap. In the roofing structure of the entrance corner described in claim 1 or 2,
The roofing structure of the ingress and egress corner characterized in that the sum of half of the effective width of the valley ridge surface of the valley plate and half of the width of the corner ridge cover is larger than the distance between the corner and valley.

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