JP2004278111A - Horizontally roofing metal tile roof, its pitch direction connection part structure and eaves edge structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a horizontally roofing metal tile roof, its pitch direction connection part structure and eaves structure preventing infiltration of heat into sheathing roof boards of roof backing and an attic space, preventing dew condensation on roof board back faces and the sheathing roof boards to prevent their early corrosion and reducing the ventilating amount of the attic space to reduce heating and air-conditioning load. <P>SOLUTION: In this horizontally roofing metal tile roof with horizontally laid metal tiles laid in a ridge direction and a pitch direction interposing a heat insulating material on the sheathing roof board to which asphalt roofing is applied, air passages passing through from the eaves to the attic space are formed between the horizontally laid metal tile and the heat insulating material and between the sheathing roof board and the heat insulating material. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
TECHNICAL FIELD The present invention relates to a metal tile roof, particularly to a horizontal roof tile tile capable of creating a flow of air from the eaves toward the ridge to remove hot air and moisture from the attic, a gradient connection structure thereof, and an eaves structure.
[0002]
[Prior art]
Metal roofs are lightweight, have high construction efficiency, and have a wide selection of colors and shapes, so they are widely used in general housing, high-rise apartment buildings, warehouses, and factories. In particular, the horizontal-roof metal tile roof has the feature of being excellent in workability while giving a similar appearance to the tile roof of the conventional method.
[0003]
However, such a roofing metal tile roof has the same high heat conductivity and low sound insulation as ordinary metal tiles, so it has problems of dew condensation, deterioration of living environment such as high temperature in summer, low temperature and noise in winter, etc. Therefore, it is desired to solve these problems in order to further spread the technology.
[0004]
In order to solve such a problem, Patent Literature 1 discloses that in a roofing material made of a surface material of a metal plate and a backing material having heat insulation, air flows from the eaves to the ridge on the surface of the backing material. A roofing material has been proposed in which a plurality of possible grooves and a groove that is transverse to the direction of the water gradient leading to the grooves are provided at the eaves end.
[0005]
[Patent Document 1]
Patent No. 2632458 [0006]
[Problems to be solved by the invention]
However, in the proposal according to Patent Literature 1, although the environment of the upper surface of the base plate is prepared by passing air from the eaves, no direct measures are taken against high temperature and nighttime cooling caused by solar radiation by the roofing material. For this reason, there is a problem that hot air or cold air from the roofing material passes through the heat insulating material to reach the base plate, and a sufficient cooling effect or drying effect cannot be obtained. In addition, there is a problem that the waterproof function is insufficient even for rainwater entering through the joint of the roofing material. For this reason, in order to prevent condensation on the backside of the roof panel and the field board, there has been a problem that the ventilation volume of the roof has to be increased.
[0007]
The present invention has been made with the object of solving such problems of the prior art, and prevents invasion of hot air to the roof base plate and the back of a hut, and prevents condensation on the back surface of the roof plate and the base plate. The purpose is to propose a horizontal tiled metal tiled roof that can prevent these early corrosion and reduce the heating and cooling load by reducing the amount of ventilation in the attic, and its gradient connection structure and eaves structure And
[0008]
[Means for Solving the Problems]
According to the present invention, in a horizontal-roof metal tile roof in which a heat-insulating material is interposed on an asphalt-roofed base plate and a roof-tile metal tile is laid in a girder direction and a gradient direction, and the horizontal-roof metal tile is insulated. It has a horizontal roofing tiled metal roof with air passages extending from the eaves to the back of the cabin, respectively, between the base material and the base plate and the heat insulating material.
[0009]
In the above invention, an outside air intake can be provided at the slope direction connection portion of the horizontal-roofed metal tile from an eaves end of the horizontal-roofed metal tile to an air passage passing between the horizontal-roofed metal tile and the heat insulating material. .
[0010]
In practicing each of the above inventions, the eave-side roofing metal tile and the ridge-side roofing metal tile are connected in a gradient direction on the asphalt roofed field board together with the heat insulating material provided corresponding thereto. In the slope direction connection structure of the metal tile roof, an air passage is formed between each of the horizontal roofing metal tiles and the heat insulating material so as to pass from the eaves side to the ridge side, and the air passage is connected to the horizontal roofing metal tile engaging portion. Are connected to each other via a space formed on the side surface of the roof, and an air passage is formed between each of the horizontal-roofed metal tiles and the base plate from the eaves side to the ridge side, and the air passage is connected to the heat insulating material. Insulating material connected to each other via the space formed near the joint bottom surface, and further provided with a heat insulating material provided corresponding to each of the horizontal roofing metal tiles, from the tip of the eave side horizontal roofing metal tile. Of the metal roofing tiles on the ridge side It is preferred to as the recess of the heat insulating material is disposed on the surface was engaged and connected.
[0011]
In this case, an external air passage is formed by providing a gap between the eaves-side roofing metal tile and the ridge-side roofing metal tile, and the gap is formed between the ridge-side roofing metal tile and the heat insulating material. It can be connected to the formed air passage.
[0012]
In carrying out each of the inventions described above, the eaves structure of a horizontal-roofed metal tile roof in which horizontal-roofed metal tiles are attached together with heat insulating material via suspensions and arabesques on an asphalt roofing field board, In the above, while forming an air passage extending from the eaves side to the ridge side between each of the horizontal-roofed metal tiles and the heat insulating material, the air passages from the eaves-side to the ridge side are formed between each of the horizontal-roofed metal tiles and the base plate. Preferably, an air passage is formed.
[0013]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, the present invention will be specifically described with reference to the drawings. FIG. 1 is a cross-sectional view showing the overall structure of a horizontal-roof metal tile roof according to the present invention, and FIG. 7 is a perspective view showing a state in which the horizontal-roof metal tile roof according to the present invention is raised. As shown here, in the roof to which the present invention is applied, the roofing metal tiles 10 are roofed in a row in the girder direction and in the gradient direction with the heat insulating material 20 interposed on the base plate 50 on which the asphalt roofing 51 is applied. Have been.
[0014]
FIG. 2 is a perspective view of the metal roofing tile 10 used in the present invention, in which a laterally extending main body 11 is separated by ribs 14 and a drain 15 is provided at one end thereof. Further, an eave-side connection portion 12 and a ridge-side connection portion 13 are provided before and after that. Each of these connection portions is formed in a substantially U-shaped cross section, and can be engaged with each other as shown in a roofed state in FIG.
[0015]
3 to 6 are a plan view, a front view, a side view, and an AA cross-sectional view of the heat insulating material 20 used in the present invention. As shown in FIG. 6, the heat insulating material 20 used in the present invention is provided with an upper concave groove 23 on the upper surface side and a lower concave groove 22 on the lower surface side over substantially the entire width of the main body 21 extending in the lateral direction. Further, a concave groove 24 is provided so as to overlap the rib 14 of the horizontal roofing metal roof tile. Further, an eave-side connection portion 31 and a ridge-side connection portion 41 are provided before and after the heat insulating material 20, respectively. The shapes of these connections are shown in FIG.
[0016]
The eave side connection portion 31 is provided with a first flat portion 32 with a slight step difference from the main body 21, and a laterally extending concave streak 33 is provided here. A second flat portion 34 is provided at the end of the first flat portion 32 by taking some steps, and a concave groove 35 is provided to enter the body from the end. The ridge-side connection portion 41 has a flat portion 42 that is short at substantially the same level as the main body 21, and is provided with an end ridge 43 at the tip thereof. The material of the heat insulating material is not particularly limited, but it is preferable that the heat insulating material is made of expanded polystyrene from the viewpoint of handling and securing heat insulation and durability.
[0017]
Therefore, as shown in FIGS. 8 and 9, the eaves-side connection part 31 of the heat insulating material 20 is provided on the inner surface of the eaves connection part 12 of the horizontal roofing metal tile 10, and the tip thereof is from the inner surface of the eaves connection part 12 of the metal tile 10. If installed in a distant state, a gradient-direction upper air passage 76 will be formed between the upper concave groove 23 of the heat insulating material 20 and the back surface (inner surface) of the main body 11 of the horizontal roofing tile. In this case, as shown in FIGS. 8 and 9, the existence region (width) of the concave groove 23 of the heat insulating material 20 in the gradient direction is made longer in the gradient direction than the main body 11 of the horizontal roofing metal tile 10. The upper air passage 76 formed as described above escapes to the side of the ridge side connection portion of the horizontal roofing metal tile 10B.
[0018]
On the other hand, when the heat insulating material 20 is placed on the field board 50 in a state where the heat insulating material 20 is set on the horizontal roofing metal tile 10, a gradient-direction lower air passage 71 is formed between the lower concave groove 22 of the heat insulating material 20 and the field board 50. Will be done. In this case, since the concave groove 22 of the heat insulating material 20 is made longer in the gradient direction than the main body 11 of the horizontal roofing tile 10, the upper air passage 71 formed as described above is formed in the area where the horizontal roofing tile 10 exists. Crossing the eaves side.
[0019]
In this manner, by interposing the heat insulating material 20 having the lower concave groove 22 and the upper concave groove 23 between the horizontal roofing metal tile 10 and the ground floor 50, the back surface of the horizontal roofing metal sheet 10 and the ground floor A cooling air flow (indicated by arrows) can be created on each of the upper surfaces of the 50.
[0020]
FIG. 8 is a partially enlarged explanatory view showing the structure of the connection in the direction of inclination of the horizontal-roof tiled roof together with the flow of air and rainwater in that portion in the present invention. FIG. 10 is an explanatory diagram showing the flow of air at the connection part in the gradient direction of the horizontal roofing tiled metal roof according to the present invention.
[0021]
As shown here, the airflow that has passed through the back surface of the eaves-side horizontal roofing tile 10B to the ridge side of the ridge side connection part reaches the space formed on the side surface of the connection part of the horizontal roofing roof tile. This airflow then reaches the eaves-side connection of the ridge side roofing metal roof 10A, where it enters the gradient upper air passage 76 formed between the metal roof body 11 and the insulation 20 as previously described. enter. Thereafter, by repeating this step, the upper air flow passes through the eaves ventilation 53 from the back of the cabin 54.
[0022]
On the other hand, as shown in FIG. 8, the airflow formed between the heat insulating material 20 and the ground board 50 passes through the lower gradient air passage 71 formed below the eaves-side heat insulating material 20B, and the ridge side heat insulating material. It passes through a flat portion 32 provided at a step slightly from the main body 21 of the 20A, and then passes through a lower-grade air passage 71 formed between the ridge-side heat insulating material 20A and the base plate 50. Thereafter, by repeating this step, the lower air flow passes through the eaves ventilation 53 from the back of the cabin 54.
[0023]
In the present invention, the connection between the eaves-side heat insulating material 20B and the ridge-side heat insulating material 20A is performed by connecting the heat insulating materials 20A and 20B provided corresponding to the horizontal-roofed metal tiles 10A and 10B as shown in FIGS. The concave stripes 33 of the heat insulating material 20A provided on the back surface of the ridge side roofing metal tile 10A are engaged with the end protrusions 43 provided on the upper surface of the heat insulating material protruding from the tip of the eave side roofing metal tile 10B. It is done by.
[0024]
Therefore, the lower-gradient air passage 71 and the upper-gradient air passage 76 are completely separated by the engaging portions of the heat insulating materials 20A and 20B so that the air flows flowing through these flow paths are not mixed. Has become.
[0025]
In addition to the above, in the present invention, there is provided means for branching the lower gradient air passage 71 and the upper gradient air passage 76 in the girder direction. That is, the connecting portion between the eave-side heat insulating material 20B and the ridge-side heat insulating material 20A is formed by the short flat portion 42 provided at the ridge-side connecting portion 41 of the eave-side heat insulating material 20B and the second flat portion 34 of the ridge-side heat insulating material 20A. The space created is an upper air passage 77 in the girder direction, into which the concave groove 35 that enters the main body from the end is branched. The space created between the first flat portion 32 and the base plate 50 described above extends in the girder direction to form a girder direction lower air passage 72. The girder-direction upper air passage 77 and the girder-direction lower air passage 72 average the airflow in the gradient direction even if the airflow flowing from the eaves is strong.
[0026]
At the connection part of the side-roofed metal roof, the treatment of rainwater becomes a problem, but in the present invention, as shown by the broken line in FIG. 8, rainwater entering from the connection part is treated in the following two systems. become. The first is the case where the rainwater that has entered the connection part of the horizontal-roofed metal tile (the portion surrounded by the U-shaped cross section in FIG. 8) is directly discharged from the intrusion route, and the second is the ridge side horizontal-roofing In this case, it flows on the upper surface of the eave-side heat insulating material through the side of the ridge-side connection portion of the metal roof, and finally flows out of the eaves as shown in FIG. In this manner, in the present invention, rainwater that has entered from the joint portion of the metal roof never reaches the surface of the field board.
[0027]
FIG. 9 is a partially enlarged explanatory view showing the details of the eaves structure of the horizontal-roof tiled roof according to the present invention, together with the flow of air and rainwater there. As described above, the eaves-side connecting portion 31 of the heat insulating material 20 is provided on the inner surface of the eaves junction 12 (which is the eaves in FIG. 9) of the horizontal-roofed metal tile 10 via the eaves suspension 61 and the arabesque 62. The tip is set apart from the inner surface of the eaves connecting portion 12 of the metal roofing tile 10, thereby forming a lower gradient direction air passage 71 and a higher gradient direction air passage 76. It flows through it.
[0028]
As described above, the basic embodiment of the present invention has been described. In order to further enhance the cooling effect of the metal roof as the object of the present invention, as shown in FIG. It is preferable to provide an external air passage 78 from which air different from the air entering through the eaves is introduced. FIG. 12 shows the structure of the joint in the gradient direction of the horizontal roofing metal roof for that purpose.
[0029]
In this example, at the connection between the upper surface of the eave-side horizontal roofing metal tile 10B and the ridge-side horizontal roofing metal tile 10A, a gap G is provided between these joints by a partial suspender 64, and the gap G is An external air passage 78 is formed following the air passage 76 formed between the side roofing metal roof tile 10B and the heat insulating material 20.
[0030]
FIG. 13 is a perspective view of an example of a partial hanger used when the above-mentioned external passage is provided, and the height H enough to lift the ridge side roofing metal tile 10A by a predetermined amount with respect to the eave side roofing metal tile 10B is shown. The external air entering through the gap G is tilted in the gradient direction while holding the end face of the connecting part of the eave-side horizontal roofing metal tile 10B against the ridge-side horizontal roofing metal tile 10A by a predetermined distance X. An opening 65 that can flow to the air flow path 76 is provided. It should be noted that such a partial suspender is not limited to the shape shown in FIG. 13 as long as the height H and the predetermined distance X can be secured.
[0031]
In the roof using the present invention as described above, these air passages are introduced by introducing outside air into the air passages provided between the horizontal roofing metal tile and the heat insulating material and between the baseboard and the heat insulating material. Both the temperature directly below the metal roof tiles and the temperature above the baseboard are lower than the conventional roof without the roof.
[0032]
【The invention's effect】
According to the present invention, it is possible to prevent invasion of hot air to the roof base plate and the back of the hut, which was a problem in the conventional metal roof, and to prevent dew condensation on the back surface of the roof plate and the base plate, thereby preventing these early corrosion. At the same time, the heating and cooling load can be reduced by reducing the ventilation volume in the attic. Moreover, the horizontal-roofed metal roof of the present invention has an excellent drainage function against rainwater intrusion from the joint portion of the metal tile, and the useful life of the base plate and the metal tile is increased.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view showing the overall structure of a horizontal-roof tiled roof according to the present invention.
FIG. 2 is a perspective view of a horizontal-roof metal tile used in the present invention.
FIG. 3 is a plan view of a heat insulating material used in the present invention.
FIG. 4 is a front view of a heat insulating material used in the present invention.
FIG. 5 is a side view of a heat insulating material used in the present invention.
FIG. 6 is an AA sectional view of a heat insulating material used in the present invention.
FIG. 7 is a perspective view showing a state in which the roof of the horizontal-roof metal tile roof according to the present invention is on the roof.
FIG. 8 is a partially enlarged explanatory view showing the flow of air and rainwater at the connection part in the gradient direction of the horizontal-roof tiled roof according to the present invention.
FIG. 9 is a partially enlarged explanatory view showing a flow of air and rainwater at the eaves of the horizontal-roof tiled roof according to the present invention.
FIG. 10 is an explanatory diagram showing the flow of air at the connection part in the gradient direction of the horizontal-roof tiled roof according to the present invention.
FIG. 11 is a cross-sectional view showing the overall structure of another embodiment of a horizontal-roof tiled roof according to the present invention.
FIG. 12 is a partially enlarged explanatory view showing an air flow of a slope direction connection portion of another embodiment of the horizontal-roof metal tile roof according to the present invention.
FIG. 13 is a perspective view of a partial hanger used in another embodiment of the horizontal-roof metal tile roof according to the present invention.
[Explanation of symbols]
10: horizontal roofing tile (10A: roof side roofing tile, 10B: horizontal roofing roof tile)
11: Main body 12: Eave side connection part 13: Building side connection part 14: Rib 15: Drainer 20: Heat insulation material (20A: Building side heat insulation material, 20B: Eave side heat insulation material)
21: body 22: lower concave groove 23: upper concave groove 24: concave groove 31: eave side connection portion 32: first flat portion 33: concave streak 34: second flat portion 35: concave groove 41: ridge side connection portion 42 : Flat portion 43: Edge convex streak 50: Field board 51: Asphalt roofing 52: Wing board 53: Wing ventilation 54: Back hut 61: Eaves hanging element 62: Arabesque 63: Partial hanging element 64: Partial hanging element 65: Opening Part 71: gradient direction lower air passage 72: girder direction lower air passage 76: gradient direction upper air passage 77: girder direction upper air passage 78: external air passage

Claims (5)

In a horizontal-roofed metal tile roof in which a roofing metal tile is lined up in a girder direction and a gradient direction with a heat insulating material interposed on an asphalt roofing field board,
A horizontal-roofed metal tile roof, wherein an air passage is formed between the horizontal-roofed metal tile and the heat insulating material, and between the open board and the heat-insulating material, and passes through the eaves to the back of the cabin. 2. The outdoor air intake according to claim 1, wherein a slope-directional connection portion of the horizontal-roofed metal tile is provided with an outside air intake that is connected to an air passage passing from the eaves-side end of the horizontal-roofed metal tile to the heat-insulating material. Side-roof metal tile roof. Gradient connection structure of a metal tile roof that connects an eaves-side roofing tile and a ridge-side roofing metal tile on an asphalt-roofed baseboard with insulation materials provided corresponding to them. At
An air passage that passes from the eaves side to the ridge side is formed between each of the roofing metal tiles and the heat insulating material, and the air passages are mutually connected through a space formed on a side surface of the roofing metal tile engagement portion. A series,
An air passage extending from the eaves side to the ridge side is formed between each of the horizontal-roofed metal tiles and the baseboard, and the air passages are mutually connected through a space formed near the bottom of the engaging portion of the heat insulating material. In addition,
A heat insulating material provided corresponding to each of the horizontal roofing metal tiles is provided on an end protruding strip provided on an upper surface of the heat insulating material protruding from a tip end of the eave side horizontal roofing metal tile, and a back surface of the ridge side horizontal roofing metal tile. Slope direction connection structure of horizontal tiled metal tile roof, in which concave portions of heat insulating material arranged in the above are engaged and connected. A gap is provided between the eaves side roofing metal tile and the ridge side roofing metal tile, and the gap is connected to an air passage formed between the ridge side roofing metal tile and the heat insulating material. The connecting structure in a direction of inclination of a horizontal-roof metal tile roof according to claim 3. In the eaves structure of the roofing metal tile roof where the roofing metal tile roof was attached with the insulation material via the suspension and the arabesque on the asphalt roofing field board,
An air passage is formed between each of the roofing metal tiles and the heat insulating material so as to pass from the eaves side to the ridge side, and an air passage between each of the roofing metal tiles and the base plate is formed from the eaves side to the ridge side. The eaves structure of a horizontal-roof tiled roof that forms a passage.

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