JP2012132280A - Ventilation structure for folded-plate roof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a ventilation structure for a folded-plate roof, capable of performing effective ventilation and enhancing effectiveness of the folded-plate roof, and having high practical value.SOLUTION: An inventive ventilation structure for a folded-plate roof 1 has an external device which has at least a ventilation function and is mounted across between the adjoining rising portions of external materials of the folded-plate roof 1. A covering material 3 is disposed on the upstream side or downstream side of the external device 2 in an adjoining manner, and the external device 2 and the covering material 3 are connected with each other while a drainage member 4 is disposed on the backside of the external device and the covering material.

Description

  The present invention relates to a ventilation structure for a folded-plate roof that can efficiently ventilate, increase the effectiveness of the folded-plate roof, and has high practical value.

Conventionally, the folded-plate roof is constructed with a relatively high-strength folded plate (metal roofing material), so that the roof surface has a gentle slope. There was a problem that air, heat, and moisture stayed in the attic.
In high temperature and high humidity domestic conditions, moist air (= humidity) that causes mold, stains, etc. due to dew condensation in the attic has an unfavorable adverse effect on the living environment. It was rare.

For the ventilation, a method of forcibly diffusing the air staying in the attic with an electric fan or the like is known, but there are problems such as securing a power source and electric leakage, so natural ventilation that does not cause those problems Is required.
As a structure using natural ventilation, for example, in Patent Document 1, a plurality of openings are formed at the tops of some folded plates, and a ventilation cover having a louver on the side is covered so as to cover the folded plates. A ventilation mechanism fixed in a coronal shape has been proposed.

JP 2010-37854 A

  However, since the proposal of the said patent document 1 is a structure which forms an opening part in some folded plates which comprise a roof surface, and attaches a ventilation cover, it cannot raise sufficient ventilation effect. That is, the size of the ventilation cover is almost the same as that of the mountain portion of the roof surface. Therefore, in order to obtain a great ventilation effect, it is necessary to attach the ventilation cover to each of the many mountain portions. The counter effect was remarkably low and could not be adopted.

  Then, this invention aims at proposing the ventilation structure of the folded-plate roof which can ventilate efficiently, can raise the effectiveness of a folded-plate roof, and has high practical value.

  The present invention has been proposed in view of the above, and in the ventilation structure in which an external device having at least a ventilation function is attached across the rising portions of the adjacent exterior members of the folded plate roof, the external installation A coating material is arranged adjacent to the water upper side or the water lower side of the device, and the external device and the coating material are connected by a drainage member disposed on the back side. It relates to the ventilation structure of the folded roof.

  Further, in the ventilation structure according to the present invention, the first support member that connects the rising portions of the adjacent exterior members of the folded plate roof is disposed on the back surface side of the external device. A plate roof ventilation structure is also proposed.

  In the ventilation structure according to the present invention, a second support member that supports the drainage member from the back side is disposed between the rising portion of the exterior material adjacent to the water-side end or the water-side end of the external device. A ventilation structure for folded-plate roofs is also proposed, which is arranged so as to be erected.

The folded structure roof ventilation structure of the present invention attaches an external device having a ventilation function across the rising parts of the adjacent exterior members of the folded sheet roof, and collects hot air, air, and moisture accumulated in the attic. Can be released to the outside, and the ventilation effect is extremely high.
In addition, the covering material is arranged adjacent to the water side or the water side of the external device. Even if rainwater or the like tries to enter from the connection part, it is led to the roof surface by the drainage member arranged on the back side. Therefore, it is possible to construct a ventilation structure that does not deteriorate the rain performance.

  Moreover, when the 1st support material which connects between the rising parts of the exterior material which adjoins a folded-plate roof is arrange | positioned on the back surface side of an external device, the distance between the rising parts of adjacent exterior materials is set. Since it can be kept constant, the external device and the covering material will not come off.

  Moreover, when the 2nd support material which supports a drainage member from the back surface side is arrange | positioned so that it may connect between the standing | starting-up parts of the adjacent exterior material to the water-side edge part or water-side edge part of an external apparatus The same effect as the first support material is achieved, and the drainage member is stably disposed at a predetermined position, so that the effect of the drainage member, that is, the drainage (water introduction) effect is reliably and continuously maintained. Fulfilled.

(A) A side view showing an embodiment of the ventilation structure of the present invention (enlarged and added a connection portion between the external device and the covering material), (b) a sectional view taken along line AA of the ventilation structure (outside) The support part of the installation device is enlarged and added). (A) The enlarged front view which shows the holding member which comprises a folded-plate roof, (b) The enlarged front view which shows the roof material which comprises a folded-plate roof, (c) The side view and front which show the drainage member which comprises a ventilation structure FIG. 4D is a side view and a front view showing a first support member constituting the ventilation structure, and FIG. 5E is a side view and a front view showing a second support member constituting the ventilation structure. It is an expanded sectional view showing the central vicinity of the ventilation structure of an example. It is an expanded sectional view which shows the edge part vicinity of the ventilation structure of an Example. (A) The perspective view which shows the construction procedure of the ventilation structure of an Example, and has shown the state which has arrange | positioned the 1st support material and 2nd support material which connect between the standing | starting-up parts of an adjacent exterior material, (b) Furthermore, a drainage member And a perspective view showing a state where the fixing plate material is fixed, (c) a perspective view showing a state where an external device is further attached, (d) a perspective view showing a state where a covering material is attached, and (f) a ventilation structure of the embodiment. It is a perspective view which expands and shows (the state which attached the decorative face board to the underwater side of the attached external apparatus).

The ventilation structure of the folded-plate roof according to the present invention includes an external device having at least a ventilation function, a covering material (decorative roof material) disposed adjacent to the external device, the external device and the covering material. It consists of a drainage member arranged on the back side.
Hereinafter, each member will be described.

The external device is disposed between the rising portions of the adjacent exterior members of the folded plate roof, and may have any configuration having at least a ventilation function as described above, such as a PV panel or a daylighting panel. You may use together. For example, it has a ventilation surface on the left and right, and the ventilation surface may be configured to have rain performance, and in this case, it is disposed between the rising parts of the adjacent exterior members of the folded plate roof. It is arranged at a position higher than the ridges, and it collects the hot air, air, and moisture accumulated in each ridge, and the collected hot air, air, and moisture can be discharged to the outside with an external device. .
As the external device, a plurality of louvers having a substantially S-shaped cross section may be continuously arranged in the vertical direction on the front surface side and the back surface side of the frame as in the illustrated embodiment described later. However, it is not limited thereto as described above, and a PV panel, a daylighting panel, or the like may be used in combination.
In addition, the ventilation surface may be configured to be inclined to the left and right as shown in the illustrated embodiment described later, or may be configured to form a substantially vertical vertical surface on each of the left and right.

In addition, as shown in the illustrated embodiment to be described later, this external device has wind and rain from the upper side of the ventilation surface and from the lower side of the ventilation surface to the rear side of the ventilation surface at each end of the upper side and the lower side of the ventilation surface. You may make it attach each face plate which prevents blowing.
Thus, when attaching a decorative face plate as an external device, the connection between the external device and a covering material (decorative roofing material) described later means the connection between the decorative face plate and the covering material.

The covering material (decorative roofing material) is disposed so as to cover between the rising portions of the adjacent exterior materials of the folded plate roof, and as described above, adjacent to the external device, the water side or water It is the structure arranged on the lower side.
As this covering material, a solar cell or the like may be integrated, or a light-transmitting material having translucency such as polycarbonate may be used. As shown in the illustrated embodiment (FIG. 1A) to be described later, it is possible to use a structure in which an edge adjacent to the external device is raised to form a water return portion, and rainwater enters between the rising portions of adjacent exterior materials. If it does not generate | occur | produce, a specific structure will not be specified in particular, and what was shape | molded with the same raw material as the roof material which comprises a folded-plate roof may be used.

As described above, the drainage member is configured to be disposed on the back surface side of the external device and the covering material, and is configured to guide rainwater or the like to enter from the connection portion to the roof surface. As described above, when a decorative face plate is attached as an external device, rainwater entering from each of the decorative face plate and the covering material is guided to the roof surface (left and right troughs) via the drainage member.
Specifically, the drainage member has a structure in which both side edges in the length direction are folded back and both end edges face the roof surface (left and right troughs) as shown in the illustrated embodiment described later. Used.

Moreover, you may arrange | position the 1st support material which connects between the standing | starting-up | rise parts of the exterior material which adjoins a folded-plate roof on the back surface side of the said external apparatus. Since the first support material is disposed for the purpose of maintaining a constant distance between the rising portions of the adjacent exterior materials, a material having higher strength than the roof material constituting the folded plate roof is used. Desirably, a plurality of them may be arranged at appropriate intervals, and it is possible to prevent detachment of the external device and the covering material due to the expansion and contraction of the distance between the rising portions of the adjacent exterior materials.
The configuration of the first support material itself and the mounting configuration thereof are not limited in any way, and may be formed in a substantially U-shaped cross section as shown in the illustrated embodiment described later, or may be simply a plate shape. Moreover, the structure attached from the upper part between the rising parts of adjacent exterior materials may be suspended and fixed from the lower part.

Moreover, even if the 2nd support material which supports a drainage member from the back surface side is connected so that the standing part of the exterior | packing material which adjoins may be connected to the water-side edge part or water-side edge part of the said external apparatus. Good. The second support material has the same effect as the first support material, and it is desirable to use a material having a strength higher than that of the roof material constituting the folded-plate roof in the same manner as the first support material. Furthermore, since the drainage member is stably disposed at a predetermined position, the second support material reliably and continuously achieves the effect of the drainage member, that is, the drainage (water guide) effect. The rain performance of the connecting portion between the apparatus and the covering material is continuously maintained.
The configuration of the second support member itself and the mounting configuration thereof are not limited in any way, and may be formed in a substantially U-shaped cross section as shown in the illustrated embodiment described later, or may be simply a plate shape. It may be configured to be attached from above between the rising parts of adjacent exterior materials, or may be suspended and fixed from below.

  Note that the folded plate roof to which the ventilation structure of the present invention is attached is laid using a roof material (folded plate) that is bent so that a roof surface in which peaks and valleys are continuous is formed. The specific configuration is not particularly limited.

The ventilation structure of the folded-plate roof of the present invention composed of each of these members is for attaching an external device across the rising portions of the exterior materials adjacent to the folded-plate roof, and hot air and air staying in the attic It can collect moisture and release it to the outside, and the ventilation effect is extremely high.
In addition, the covering material is arranged adjacent to the water side or the water side of the external device. Even if rainwater or the like tries to enter from the connection part, it is led to the roof surface by the drainage member arranged on the back side. Therefore, it is highly rainy.

  The ventilation structure of the folded-plate roof of this invention has a ventilation function ranging over the rising parts 10 and 10 of the exterior | packing materials 1D and 1D which adjoin the folded-plate roof 1 like the Example shown to Fig.1 (a). It is the structure which attaches the ventilator provided with the ventilation surfaces 20 and 20 which incline right and left as the external apparatus 2, Comprising: A coating | covering material (decorative roofing material) adjacent to the water upper side or the water lower side of the said external apparatus 2 3 and 3 are arranged, and the external device 2 and the covering material 3 are connected to each other with a drainage member 4 disposed on the back surface side.

  As shown in FIG. 1A, the folded plate roof 1 is a folded plate that fixes a holding member (1B, 1C) on a housing 1A and has a relatively high surface strength on the holding member (1B, 1C). The exterior materials 1D, 1D are configured to hold the left and right side edges, and in the portion where the external device 2 is not attached, a cap material (not shown) is attached. The flat plate portion 11 is a continuous structure, and a crest portion is formed at the rising portions 10 and 10 of the adjacent exterior materials 1D and 1D, and the flat plate portion 11 constitutes a gentle roof surface that becomes a trough portion. To do. In the part to which the external device 2 is attached, a part of the exterior materials 1D, 1D adjacent to the left and right are placed in a non-laying state, and the external device 2 is arranged in the part.

The holding members (1B, 1C) are substantially bilaterally symmetric members as shown in FIG. 2 (a). The holding members (1B, 1C) are substantially gate-shaped tight frames 1B that are fixed to the housing 1A, and substantially the center of the tight frames 1B. It consists of receiving material 1C fastened to the top of the mountain with bolts and nuts from below.
The tight frame 1B is formed, for example, by bending a strip-shaped steel material having a short width. The tight frame 1B has leg portions 122 on the left and right sides from a substantially central peak piece 121, and a fixing portion 123 whose bottom surface is in contact with the housing 1A at the lower end of each leg portion 122. It is the structure which has.
The receiving material 1C is a piece material having a substantially U-shaped side cross-section having front and rear receiving surfaces 131 standing up and down substantially vertically, and a portion projecting left and right is formed below each receiving surface 131, Below that is the fitted portion 132 into which the first fitting portion 143 of the exterior material 1D is fitted. Further, the upper edge of the support surface 131 is bent in the front-rear direction (supported portion 133) so that the back surface of the exterior material 1D can be stably held. Furthermore, a rectangular groove 134 is provided at the upper center of the support surface 131 so that the second fitting portion having a substantially U-shaped cross section of the exterior material 1D can be fitted from above. The bottom surface 135 that connects the front and rear support surfaces 131, 131 is assembled to the mountain top piece 121 of the tight frame 1B from below, and is connected to the connecting tool 1E that is a bolt and a nut in a through hole provided in advance on the bottom surface 135. Connected together.

  The exterior material 1D to be held by the holding members (1B, 1C) is made of a metal such as a decorative steel plate, stainless steel, and aluminum alloy, a resin, or other composite material, and has a substantially flat shape as shown in FIG. It is a vertical-type folded plate having left and right symmetrical inclined rising portions 10 on the left and right side edges of the flat plate portion 11, and is fitted to the support material 1C in the middle of the height of the rising portion 10. A first fitting portion 143 is provided for attachment to the first fitting portion 143, and a tip thereof is supported above the first fitting portion 143 via a portion (support portion 144) supported by the supported portion 133 of the support material 1C. Is a configuration having a second fitting portion 145 having a substantially U-shaped cross-section that is fitted from above into a groove portion 134 formed at a substantially upper center end of the support material 1C.

Although not shown, the cap material that forms the exterior surface together with the exterior material 1D is disposed between the rising portions 10 and 10 of the exterior materials 1D and 1D adjacent in the left-right direction, The exterior material 1D is molded from the same material, and the fitting portions formed in a substantially square shape inwardly on the left and right side edges of the substantially umbrella-shaped decorative part, are the first of the exterior materials 1D and 1D. It is the structure attached by making it fit to the back surface of fitting part 143,143. Therefore, this cap material can be elastically fitted and attached simply by being arranged so as to press against the crest formed by the rising portions 10 and 10 of the adjacent exterior materials 1D and 1D from above. .
In the figure, reference numerals 1F to 1I denote members for integrally attaching an external device 2 described later to the folded plate roof 1.
First, it consists of a downward inclined surface fixed to the exterior material 1D with a screw, an upward inclined surface that penetrates the exterior material 1D and is fixed to the receiving material 1C with a screw, and a vertical surface that rises substantially vertically. The fixing plate material 1F is screw-fixed to the exterior material 1D.
Thereafter, a regulating member 1G having a substantially L-shaped cross section is fixed to the fixed plate member 1F in a mounting shape, and a groove-like portion formed by the vertical surface of the fixed plate member 1F and the vertical piece of the regulating member 1G. Then, a connecting member 1H having a downward-facing piece that can be inserted from above is fitted to connect the fixed plate member 1F and the inner bottom end of the frame 22 of the external device 2.
Further, the cover material 1I is screwed together with the lowermost louver 21 at the outermost lower end of the frame 22 to prevent the rainwater from blowing from the side of the external device 2.

As shown in FIGS. 3 and 4, the external device (ventilation device) 2 is disposed across the rising portions 10 and 10 of the exterior materials 1D and 1D adjacent to the folded plate roof 1. As described above, the ventilation surfaces 20 and 20 are inclined to the left and right, and the ventilation surface 20 is configured to have a rain performance. Specifically, the ventilation surfaces 20 are assembled in an inclined manner as shown in FIG. A plurality of louvers 21 having a substantially S-shaped cross section were fixed to the front surface side and the back surface side of the frame 22 in a continuous manner in a number of steps in the vertical direction.
The louver 21 is provided with a folded water return at the upper end and the lower end, and is disposed such that a concave portion is located in the upper half and a convex portion is located in the lower half as viewed from the outer surface side, and the outer surface of the convex portion is disposed on the frame. Further, each louver 21 has its upper end positioned in a non-contact manner in the convex portion of the upper louver 21 and its lower end in a non-contact manner in the concave portion of the lower louver 21. It is arrange | positioned so that it may be located in.
In the figure, 2B is a top decorative material that covers between the uppermost louvers 21, 21 of the left and right ventilation surfaces 20, 20, and 23 is the upper end of the frames 22, 22 constituting the left and right ventilation surfaces 20, 20. It is the connection metal fitting to connect.
The ventilation surface 20 having such a configuration can prevent rainwater and sunlight from entering the back side space and discharge air.

In addition, the external device 2 of the illustrated embodiment is provided on each of the water-side and water-side ends of the inclined ventilation surfaces 20 and 20 from the water-side and from the water-side to the back side of the ventilation surfaces 20 and 20. The decorative face plates 2C and 2C for preventing the blowing of wind and rain were attached respectively.
The decorative face plate 2C has a shape that closes a substantially triangular space formed at the water-side end and the water-side end of the left and right inclined ventilation surfaces 20, 20, respectively. It has a shape including a water return 231 extending outward, and the water return 231 is attached to a water return portion 32 of a covering material (decorative roofing material) 3 described later so as to be superposed.
Therefore, when rainwater is sprayed on the decorative face plate 2C from the upper side or the lower side and flows down through the surface, the rainwater is guided from the water return 231 onto the covering material 3, and on the covering material 3. Will flow down.

The covering material (decorative roofing material) 3 is disposed so as to cover between the rising portions 10 and 10 of the adjacent exterior materials 1D and 1D of the folded plate roof 2, and the external device as described above. 2 is arranged on the water side or water side adjacent to 2, and is formed of the same material as the exterior material 1 </ b> D constituting the folded plate roof 1.
As shown in FIGS. 5D and 5F which will be described later, the covering material 3 of the illustrated embodiment is provided on the left and right sides of the face plate portion 31 having a mountain-shaped cross section covering the rising portions 10 and 10 of the adjacent exterior materials 1D and 1D. A fitting portion 33 formed in a substantially square shape on the side edge is fitted to the back surface of the first fitting portions 143 and 143 of the exterior materials 1D and 1D, and is attached in the direction of water flow. As for the edge, the edge adjacent to the external device 2 is raised substantially vertically to form the water return portions 32, 32. Therefore, the covering material 3 can be elastically fitted and attached simply by being arranged so as to be pressed against the rising portions 10 and 10 of the exterior packaging materials 1D and 1D adjacent from above, like the cap material. .

As described above, the drainage member 4 is configured to be disposed on the back side of the external device 2 and the covering material 3, and is configured to guide rainwater or the like to enter from the connection portion to the roof surface.
In the illustrated embodiment, since the decorative face plate 2C is attached to the external device 2, even if rainwater circulates from the connecting portion of the decorative face plate 2C and the covering material 3 to the back side, the rainwater is not removed from the drainage member. 4 to the left and right exterior materials 1D, 1D.
As this drainage member 4, as shown in FIG. 2C, both side edges in the length direction of the drainage part 41 having a cross-sectional mountain shape straddling between the rising parts 10 and 10 of adjacent exterior materials 1D and 1D are folded back. (Both water return portions 42, 42), both end portions in the length direction are constructed between the rising portions 10, 10 and face the upper half of the first fitting portion 143. Moreover, this drainage member 4 is attached to the predetermined position in the state supported by the 2nd support material 6 mentioned later from the back surface side.

Further, in the illustrated embodiment, as shown in FIG. 3, a plurality of first support members 5 are provided on the back side of the external device 2 between the rising portions 10 and 10 of the exterior materials 1D and 1D adjacent to the folded roof 1. Is arranged.
The first support member 5 is formed in a U-shaped cross section as shown in FIG. 2D, and is intended to maintain a constant distance between the rising portions 10 and 10 of the adjacent exterior members 1D and 1D. Since it is disposed, it is made of a metal material having a higher strength than the exterior material 1D constituting the folded plate roof 1.
And this 1st support material 5 may be suspended and fixed with the fixture 5c from the downward direction via the fixture 5b screwed from the upper direction to the fixing board material 1F fixed as mentioned above, or the fixture 5b previously. And after integrating the 1st support material 5 with the fixing tool 5c, you may make it fix to the fixed board | plate material 1F. That is, as described above, the fixed plate member 1F is a member attached to the holding members (1B, 1C) from above, but here, the fixing plate member 1F has the same configuration as the supporting member 1C constituting the holding members (1B, 1C). The fixture 5b is attached to the fixing plate 1F from below, and the first support member 5 is fixed via the fixture 5b. The fixture 5b has exactly the same structure as the support material 1C constituting the holding member (1B, 1C), so that the member can be reused, and is provided in advance on the bottom surface (135). Are integrally connected to each other by a fixture 5c.

Further, in the illustrated embodiment, as shown in FIG. 4, the exterior member that adjoins the water-side end and the water-side end of the external device 2 is a second support member 6 that supports the drainage member 4 from the back side. It arrange | positions so that between the rising parts 10 and 10 of material 1D and 1D may be connected.
The second support member 6 has longitudinal surfaces 61 and 61 standing substantially vertically, and is formed in a substantially U-shaped cross section including a lateral surface 62 connecting the lower ends thereof, and an upper edge of each longitudinal surface 61. Is bent in the front-rear direction to form the support flange 63. Each of the vertical surfaces 61 has a shape in which the central portion is formed wider than the left and right end portions, and the left and right end portions are shapes simulating the outside of the support surface 131 of the support material 1C. The side vertical surface 611 is formed.
And since this 2nd support material 6 equips itself with the structure (side vertical surface 611) of the said fixture 5b, it fixes to the fixed board | plate material 1F fixed as mentioned above by screwing from the upper direction, and fixing directly. be able to.
The support flange 63 is driven with screws that are fixed to the fixing plate 1F at the left and right end portions thereof, and plays a role of supporting the drainage member 4 from the back surface in other portions.

The construction procedure of the ventilation structure of this embodiment is as shown in FIGS.
First, as shown to Fig.5 (a), the said 1st support material 5 and the said 2nd support material 6 are attached between the standing parts 10 and 10 of exterior material 1D and 1D which adjoin a folded-plate roof. At that time, a plurality of the first support members 5 were arranged at predetermined intervals in the flow direction, and the second support members 6 were attached so as to be positioned at the water-side end of the external device 2 assumed to be attached.
Next, as shown in FIG. 5 (b), the drainage member 4 is attached to the second support member 6 in a state of being supported from the back side, and both end edges in the length direction are located above the first fitting portion 143. I came in half. Further, the fixing plate materials 1F and 1F were screw-fixed to the exterior materials 1D and 1D.
Subsequently, as shown in FIG. 5C, the external device 2 was assembled and fixed between the rising portions 10 and 10 of the adjacent exterior materials 1D and 1D.
Thereafter, as shown in FIG. 5 (d), the covering member 3 having the above-described configuration is attached so as to cover the space between the rising portions 10 and 10 of the adjacent exterior members 1D and 1D, adjacent to the underwater side of the external device 2. It was. Specifically, from the state in which the covering material 3 is arranged at a predetermined position, it can be attached by being elastically fitted to the adjacent exterior materials 1D and 1D by simply pressing the rising portions 10 and 10.
Finally, as shown in FIG. 5 (f), the decorative face plate 2C is attached to the lower end of the external device 2 to prevent the rainwater from being blown into the external device 2, and at the top of the external device 2. The top decorative material 2B was attached and the ventilation structure of the illustrated embodiment was constructed.

The ventilation structure of the folded-plate roof 1 of the illustrated embodiment constructed in this way is to attach the external device 2 across the rising portions 10 and 10 of the adjacent exterior materials 1D and 1D of the folded-plate roof 1. Because the external device 2 is installed further above the mountain at the top of the previous height level, it collects hot air, air, and moisture that stays in the attic and releases it to the outside. It is extremely expensive.
In addition, since the covering materials (decorative roofing materials) 3 and 3 are disposed adjacent to the water upper side and the water lower side of the external device 2, even if rainwater or the like tries to enter from the connecting portion, it is disposed on the back surface side. Since the drainage members 4 and 4 lead to the roof surface (the valleys 11 and 11), a ventilation structure that does not deteriorate the rain performance can be constructed.

  Further, in the illustrated embodiment, the first support member 5 is disposed on the back side of the external device 2 so as to straddle between the rising portions 10 and 10 of the adjacent exterior members 1D and 1D of the folded roof 1. Since the distance between the rising portions 10 and 10 of the exterior materials 1D and 1D to be maintained can be kept constant, the external device 2 and the covering material 3 are not detached.

  Further, in the illustrated embodiment, the outer support materials 1D and 1D that adjoin the second support members 6 and 6 that support the drainage members 4 and 4 from the back surface side at the water-side end and the water-side end of the external device 2 are provided. Since it is arranged so as to connect the rising portions 10, 10, the same effect as that of the first support member 5 is achieved, and the drainage member 4 is stably disposed at a predetermined position. The effect of the drainage member 4, that is, the drainage (water introduction) effect is reliably and continuously achieved.

DESCRIPTION OF SYMBOLS 1 Folded plate roof 1B Tight frame 1C Support material 1D Exterior material 1F Fixed plate material 10 Standing part 11 Flat plate part 2 External equipment 2B Top decorative material 2C Decorative face plate 20 Ventilation surface 21 Louver 22 Frame 3 Cover material (decorative roof material)
DESCRIPTION OF SYMBOLS 31 Face plate part 32 Water return part 33 Fitting part 4 Drainage member 41 Drainage part 42 Water return part 5 1st support material 5b Mounting tool 5c Fixing tool 6 2nd support material 61 Vertical surface 611 Side vertical surface 62 Horizontal surface 63 Support flange

Claims (3)

In the ventilation structure formed by attaching an external device having at least a ventilation function across the rising parts of the adjacent exterior materials of the folded plate roof,
On the water upper side or water lower side of the external device, a covering material is arranged adjacently,
A ventilating structure for folded plate roof, wherein the external device and the covering material are connected to each other with a drainage member disposed on the back side.   The ventilation structure of the folded-plate roof according to claim 1, wherein a first support member that connects the rising portions of the adjacent exterior members of the folded-plate roof is disposed on the back side of the external device. .   A second support material that supports the drainage member from the back surface side is disposed at the water-side end or the water-side end of the external device so as to connect the rising portions of the adjacent exterior materials. The ventilation structure of the folded-plate roof of Claim 1 or 2 characterized by the above-mentioned.

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