JP6894291B2 - Roof and how to build it - Google Patents

Description

The present invention relates to a roof made of porcelain roofing material and a method for constructing the same.

Patent Document 1 relates to a technique for constructing a new exterior structure on the outside of an existing exterior surface. Specifically, a viscous material is struck at the fixing location of the new roofing material (new exterior structure) to prevent dust from scattering, and the metal fittings (holding member for the exterior material) are screwed and fixed to the metal fittings with a resin foam. Hook the bottom of the metal roof that is integrated with (backup material). As a result, the existing roof will be repaired while preventing dust such as asbestos from scattering from the existing exterior surface.

The heat insulating tile of Patent Document 2 is composed of a roof tile main body and a resin foam (water-stopping heat insulating portion) bonded to the back surface thereof. A locking convex portion protruding upward is provided on the upper surface of the tail portion of the roof tile body, and a locking concave portion engaging with the locking convex portion of the heat insulating tile on the eaves side is provided on the lower surface of the head of the resin foam. Is provided. Even thin roofing materials are said to have excellent heat insulation and water stopping performance without changing workability. The method of fixing the heat insulating tile is not shown, but it is nailed or screwed.

In Patent Document 3, a step portion is provided in the head side polymerization portion of the resin foam (decorative plate mounting portion) arranged below the ceramic plate roofing material (decorative plate), and the vertical dimension of the step portion is the eaves side. Make it the same thickness as the bottom of the porcelain roofing material. In addition, there is a water return (jetty) on the tail side of the resin foam, and a plurality of drainage grooves are provided on the surface. It is easy to transport and construct, and it is said that the rain is good. In addition, the drainage ditch also plays a role of ventilation, and it is expected that the life of the roof base will be extended. Fixing is a joint striking of porcelain roofing material and resin foam, and nailing to the base material is described.

Patent Document 4 is composed of a roofing material (horizontal roofing metal roof) having a meshing structure on the eaves side and the ridge side, and a heat insulating material arranged below the roofing material. Install the roofing material on the roof and fix it with nails. It is said that construction is easy and heat insulation and waterproof performance can be ensured. The roofing material itself has an engaging structure, which is different from fixing with metal fittings.

JP-A-2007-46245 JP-A-2007-9655 Japanese Unexamined Patent Publication No. 2000-228633 Jikkai Sho 54-110112

In Patent Documents 1 to 4, special roofing materials different from general roof tiles are fixed to the field, but since they are fixing means specialized for each roofing material, when the roofing materials are different, for example. , It cannot be carried out if the roofing material does not have the necessary nail holes or engaging parts. Further, from the viewpoint of durability and the like, it is preferable that the roofing material is more firmly fixed to the field.

Therefore, it is an object of the present invention to firmly fix the roofing material to the field by a highly versatile fixing means.

In order to solve the above problems, the roof of the present invention has a plurality of porcelain roofing materials arranged so that the heads overlap the tails of the porcelain roofing materials on the eaves side, and adjacent to the eaves side and the ridge side. It is configured to include fixing metal fittings provided between each of the two matching porcelain roofing materials, and each fixing metal fitting has a fixing part fixed to the field and the tail part of the porcelain roofing material from the tip to the eaves side. An extension portion extending to the front of the upper surface of the roof, a tail floating prevention portion extending from the tip thereof through the upper side of the tail portion to the eaves side to prevent the tail portion from rising, and a roof floating prevention portion from the tip to the ridge side. A head stop that extends upward through the eaves side of the head of the porcelain roofing material to prevent the porcelain roofing material from sliding down to the eaves side, and extends from the tip thereof to the ridge side through the upper side of the head. A head floating prevention portion for preventing the head from rising is included, and a porcelain roofing material on the ridge side is adhered to the extending portion with an adhesive.

The configuration other than the above is not particularly limited, but each fixing bracket is provided with a guide portion extending diagonally upward from the tip of the head floating prevention portion to the eaves side, and after fixing the fixing portion of the fixing bracket to the field, a ceramic plate is used. When the head of the roofing material is pressed against the guide portion from above, the fixing bracket is elastically deformed, so that at least the guide portion and the head lift prevention portion are displaced toward the eaves, and the head is prevented from floating from that state. When passed through the lower side of the part, the guide part and the head floating prevention part return to the ridge side due to elastic force, so that the head can be inserted below the head floating prevention part. Is preferable.

In order to solve the same problem, the roof construction method of the present invention includes a fixed portion, an extending portion extending from the tip thereof, a tail floating prevention portion extending from the tip to the eaves side, and a head stop extending upward from the tip. Using a plurality of fixing metal fittings including a portion, a head floating prevention portion extending from the tip to the ridge side, and a guide portion extending diagonally upward from the tip to the eaves side, at least 2 on the eaves side and the ridge side. The process of fixing the fixing part of each fixing metal fitting to the field so that the fixing metal fittings are lined up in a row, and then the process of applying adhesive to the extension part of the fixing metal fitting on the eaves side, and then the ceramic roof The head of the porcelain roofing material is pressed from above against the guide portion of the fixing bracket on the eaves side while the tail portion of the material is inserted below the bottom floating prevention portion of the fixing bracket on the ridge side. By elastically deforming, at least the guide portion and the head lift prevention portion are displaced toward the eaves, and from that state, the head is passed under the head lift prevention portion, and the guide portion and the head are elastically deformed. By returning the floating prevention part to the ridge side and thereby arranging the head under the head floating prevention part of the fixing bracket on the eaves side, the porcelain roofing material is attached to the fixing bracket on the ridge side. It is placed under the bottom floating prevention part and the head floating prevention part of the fixing bracket on the eave side, and is adhered to the extending part of the fixing bracket on the eave side.

According to the roof of the present invention and the method for constructing the roof of the present invention, the porcelain roofing material can be fixed to the field board even if the porcelain roofing material does not have a special shape such as a nail hole or an engaging portion. Highly versatile. Further, the fixing can be firmly performed by using two fixing metal fittings on the eaves side and the ridge side and an adhesive. Further, since the adhesive portion is an extension portion on the fixing portion side of the head floating prevention portion and the bottom floating prevention portion in the fixing metal fitting, the fixing is strengthened in this respect as well.

Further, according to the preferred aspect of the roof of the present invention and the method of constructing the roof of the present invention, even after fixing the fixing metal fittings on the eaves side and the ridge side to the field board, the ceramic plate roofing material can be easily applied to the ridge side. It can be placed under the bottom floating prevention part of the fixing bracket and the head floating prevention part of the fixing bracket on the eaves side, and workability is good.

FIG. 1A is a perspective view of a partial cross section showing the roof of the embodiment, and FIG. 1B is an enlarged view of a main part of FIG. 1A. FIG. 2A is a plan view showing the resin foam of the roof and its surroundings, FIG. 2B is a perspective view, and FIG. 2C is a sectional view taken along line IIc-IIc. FIG. 3A is a plan view showing the porcelain roofing material of the roof and its surroundings, FIG. 3B is a perspective view, and FIG. 3C is a sectional view taken along line IIIc-IIIc. FIG. 4A is a perspective view of the roof fixing bracket as viewed from the eaves side, and FIG. 4B is a perspective view of the roof fixing bracket as viewed from the ridge side. 5 (a) to 5 (d) are side sectional views showing a procedure for installing the fixing metal fittings in the first row, the resin foam in the first row, and the fixing metal fittings in the second row in the field. 6 (a) to 6 (f) are side sectional views showing a procedure for installing the first row of porcelain roofing material on the first row of resin foam. In FIGS. 7A to 7F, the resin foam in the second row, the fixing bracket in the third row, and the porcelain roofing material in the second row are installed on the ridge side of the fixing bracket in the second row. It is a side sectional view which shows the procedure to perform.

[Ceramic roofing material]
The aspect of the porcelain roofing material is not particularly limited, but the following aspects will be exemplified. Each porcelain roofing material has a flat plate-shaped main body, a buttock protrusion that protrudes from the lower part of the buttock part of the main body part toward the ridge side and enters the lower side of the main body part of the porcelain plate roofing material on the ridge side, and the upper part of the head part of the main body part. On the upper side of the head protruding from the eaves side and overlapping the upper side of the main body of the porcelain roofing material on the eaves side, and on the upper side of the buttock protrusion of the porcelain roofing material on the eaves side protruding from the lower part of the head of the main body to the eaves side. It is configured to include overlapping lower head protrusions. The head stop portion extends upward through the eaves side of the lower head protrusion, and the head floating prevention portion extends upward through the upper side of the lower head protrusion.

The planar shape (aspect ratio) of the porcelain roofing material is not particularly limited, but each porcelain roofing material exemplifies an aspect in which it is longer in the width direction than in the flow direction. In this case, in terms of fixing strength, a plurality of fixing metal fittings on the eave side are installed at intervals in the width direction for one ceramic plate roofing material, and a plurality of fixing metal fittings on the ridge side are installed in the width direction. It is preferable that they are installed at intervals.

[Resin foam]
The porcelain roofing material may be installed directly on the field, but in terms of improving water stoppage and heat insulation, each porcelain roofing material, its eaves side fixing metal fittings, and ridge side fixing metal fittings and field It is preferable that a resin foam is interposed between the main plate and the main plate. As a specific embodiment in this case, a notch penetrating vertically is formed in a portion of the head end surface of each resin foam adjacent to the fixing metal fitting on the eaves side, and the adhesive is injected into the notch. An embodiment is illustrated.

The planar shape (aspect ratio) of the resin foam is not particularly limited, but each resin foam exemplifies an embodiment in which the resin foam is longer in the width direction than in the flow direction. As a specific embodiment in this case, a plurality of drainage grooves extending in the flow direction for flowing rainwater are arranged side by side at intervals in the width direction on the upper surface of each resin foam, and between the drainage grooves. An embodiment in which the notch is provided is illustrated.

The composition of the resin foam is not particularly limited, but in terms of further improving water stopping property and heat insulating property, each resin foam has a flat body portion and an underside projecting from the lower part of the tail portion of the main body portion toward the ridge side. It is preferable that the wrap includes an overlap that projects from the upper part of the head of the main body toward the eaves and overlaps the underlap of the resin foam on the eaves side. As a specific embodiment in this case, an embodiment in which the notch is formed on the cranial end surface of the overlap will be illustrated.

[Fixing bracket]
The mode of the fixing bracket is not particularly limited, but the following modes can be exemplified. The extension part of each fixing metal fitting is the first upper extension part extending upward from the tip of the fixing part through between the underlap of the resin foam on the eaves side and the main body part of the resin foam on the ridge side. , The eaves-side extension that extends from the tip to the eaves side through between the underlap of the resin foam on the eaves side and the overlap of the resin foam on the ridge side, and the resin foam on the eaves side from the tip. A second extending upward through between the main body and the lower part of the resin foam overlap on the ridge side, and between the bottom of the porcelain roofing material on the eave side and the upper part of the resin foam overlap on the ridge side. (2) It is configured to include an upper extending portion. Then, the resin foam and the porcelain roofing material are adhered to the eaves side extension portion and the second upper extension portion by the adhesive.

[adhesive]
The adhesive is not particularly limited, but a building adhesive containing no organic solvent is preferable because the resin foam is not easily attacked. Specific examples thereof include modified silicone-based, acrylic resin-based, urethane-based, and hard urethane resin-based adhesives. , Cyrilized acrylate-based adhesives and the like. Particularly preferred are modified silicone-based adhesives.

Hereinafter, examples of the present invention will be described with reference to the drawings. However, the present invention is not limited to the examples, and can be appropriately modified and embodied without departing from the spirit of the invention.

As shown in FIG. 1, the roof 1 of the embodiment is installed on a field board 8 installed on a girder 6 and a rafter 7, a waterproof sheet 9 laid on the girder 6, and a waterproof sheet 9. A plurality of resin foams 10, a plurality of porcelain roofing materials 20 installed on the resin foams 10, and a plurality of fixings for fixing the resin foams 10 and the porcelain roofing material 20 to the field board 8. It is configured to include a metal fitting 30.

As shown in FIG. 2, the resin foam 10 is a plate-shaped styrofoam that is long in the width direction. The dimensions of each resin foam 10 can be changed as appropriate, and are, for example, 1800 mm in width, 350 mm in length in the flow direction, and 30 mm in thickness. Each resin foam 10 has a flat plate-shaped main body 11 whose head side is thicker than the tail side, a ridge side underwrap 13 projecting from the lower part of the butt portion of the main body 11 toward the ridge side, and the width of the main body portion 11. The lateral underlap 17 projecting from the lower part of one end in the width direction to one side in the width direction, and the eaves side protruding from the upper part of the head of the main body 11 toward the eaves side and overlapping on the ridge side underlap 13 of the resin foam 10 on the eaves side. The overlap 14 and the lateral overlap 18 projecting from the upper portion of the other end in the width direction of the main body 11 to the other in the width direction and overlapping on the lateral underlap 17 of the other resin foam 10 in the width direction are included. ing.

On the upper surfaces of the main body 11 and the eaves-side overlap 14, a plurality of drainage grooves 12 extending in the flow direction for flowing rainwater are arranged side by side at intervals in the width direction. The bottom surface of the drainage groove 12 is flush with the upper surfaces of the ridge side underlap 13 and the side underlap 17. A water return 19 is projected on the upper edge of the ridge side underlap 13 and the lateral underlap 17. On the head end surface of the overlap 14, a plurality of notches 15 penetrating vertically are arranged side by side at a predetermined pitch in the width direction. Each notch 15 is provided between the drainage grooves 12 arranged in the width direction. A fixing metal fitting 30 is installed in each notch 15.

As shown in FIG. 3, the porcelain roofing material 20 is a porcelain plate long in the width direction and is installed on the resin foam 10. The porcelain roofing material 20 is processed by extrusion molding in the width direction (horizontal direction). The dimensions of each porcelain roofing material 20 can be changed as appropriate, and for example, the width is 1800 mm, the length in the flow direction is 350 mm, and the thickness is 20 mm. Each porcelain roofing material 20 has a flat plate-shaped main body 21, and a butt protrusion 25 that projects from the lower part of the butt of the main body 21 toward the ridge and enters the lower side of the main body 21 of the porcelain roofing material 20 on the ridge side. The head upper protrusion 26 protruding from the upper part of the head of the main body 21 toward the eaves and overlapping the upper side of the main body 21 of the ceramic plate roofing material 20 on the eaves side, and the eaves side protruding from the lower part of the head of the main body 21 toward the eaves It is configured to include a head lower protrusion 27 that overlaps the upper side of the buttock protrusion 25 of the ceramic plate roofing material 20 of the above. The main body 21 is provided with a plurality of holes 22 penetrating in the width direction for weight reduction.

In this embodiment, one porcelain roofing material 20 is placed on one resin foam 10, but other modes can be used, for example, one resin foam 10. Even if two porcelain roofing materials 20 with half the width are placed side by side in the width direction, one porcelain roof with twice the width is placed on the two resin foams 10 arranged in the width direction. The material 20 may be placed. Further, the porcelain roofing material 20 may be placed on the resin foam 10 so as to be displaced in the width direction.

The fixing metal fitting 30 shown in FIG. 4 is formed by bending a single metal plate. Each fixing bracket 30 has a fixing portion 31 extending in the flow direction parallel to the field plate 8 and a first upper extending portion 32 extending upward from the tip (end on the eaves side) of the fixing bracket 30, and from the tip thereof. An eaves-side extension 33 extending to the eaves side, a second upper extension 34 extending upward from the tip thereof, a tail floating prevention portion 35 extending from the tip to the eaves side, and a head stop portion extending upward from the tip. 36, a head floating prevention portion 37 extending from the tip thereof to the ridge side, and a guide portion 38 extending diagonally upward from the tip to the eaves side are included. The fixing portion 31 is provided with a screw hole 31a.

As shown in FIG. 1 (b), the fixing portion 31 is screwed to the field plate 8 by a screw or a screw 43. The first upper extending portion 32 comes into contact with the lower part of the head of the main body portion 11 of the resin foam 10 on the ridge side from the eaves side to prevent the resin foam 10 from sliding down to the eaves side. The eaves-side extending portion 33 abuts on the ridge-side underlap 13 of the resin foam 10 on the eaves side from above to prevent the bottom portion of the resin foam 10 from rising. The second upper extension portion 34 abuts on the eaves side overlap 14 of the resin foam 10 on the ridge side from the eaves side, so that the resin foam 10 is brought to the eaves side as in the first upper extension portion 32. Stop slipping down.

The bottom floating prevention portion 35 prevents the bottom portion of the ceramic plate roofing material 20 from rising by contacting the bottom protrusion 25 of the ceramic plate roofing material 20 on the eaves side from above. The head stopper 36 comes into contact with the head lower protrusion 27 of the porcelain roofing material 20 on the ridge side from the eaves side to prevent the porcelain roofing material 20 from sliding down to the eaves side. The head floating prevention portion 37 prevents the head of the ceramic plate roofing material 20 from rising by contacting the head lower projection 27 of the ceramic plate roofing material 20 on the ridge side from above.

Next, a method of constructing the roof 1 will be described.
First, as shown in FIG. 5A, the waterproof sheet 9 is installed on the field board 8. Next, as shown in FIG. 5B, the fixing metal fittings 30 in the first row are attached to the eaves-side end of the field plate 8 with screws 43. Next, as shown in FIG. 5C, the resin foam 10 in the first row is placed on the ridge side of the fixing metal fitting 30 in the first row. Next, as shown in FIG. 5D, the fixing metal fittings 30 in the second row are attached to the ridge side of the resin foam 10 in the first row with screws 43.

Next, as shown in FIG. 6A, the adhesive 41 is injected from above into the notch 15 of the resin foam 10 in the first row. At this time, the lower side of the notch 15 is closed by the eaves-side extending portion 33 of the fixing metal fitting 30, and the eaves side is closed by the second upper extending portion 34 of the fixing metal fitting 30. It has a bottomed hole shape that opens upward. Next, as shown in FIG. 6B, the buttock protrusion 25 of the porcelain roofing material 20 is inserted below the buttock floating prevention portion 35 of the fixing metal fitting 30 in the second row. At this time, the fixing metal fitting 30 in the second row is slightly elastically deformed. Next, as shown in FIG. 6C, the lower head protrusion 27 of the ceramic plate roofing material 20 is brought into contact with the guide portion 38 of the fixing metal fitting 30 in the first row from the upper side. Next, when the hand is released from the porcelain roofing material 20, the lower protrusion 27 of the head pushes the guide portion 38 toward the eaves due to the weight of the head of the porcelain roofing material 20, as shown in FIG. 6 (d). In addition, the fixing metal fitting 30 is elastically deformed, and the guide portion 38 and the head floating prevention portion 37 are pushed back toward the eaves. Then, the lower protrusion 27 of the head is displaced to the lower side of the head floating prevention portion 37. After that, as shown in FIG. 6E, the guide portion 38 and the head floating prevention portion 37 return to the ridge side due to the elastic force of the fixing metal fitting 30. As a result, the lower protrusion 27 of the head enters the lower side of the head floating prevention portion 37. At this time, the lower surface of the head of the ceramic plate roofing material 20 comes into contact with the adhesive 41. As a result, as shown in FIG. 6 (f), the first row of porcelain roofing material 20 is installed on the first row of resin foam 10. Then, when the adhesive 41 dries, the head of the resin foam 10 and the head of the porcelain roofing material 20 and the fixing metal fitting 30 are adhered to each other by the adhesive 41.

Next, as shown in FIG. 7A, the resin foam 10 in the second row and the fixing bracket 30 in the third row are placed on the ridge side of the fixing bracket 30 in the second row, and the resin in the first row. Install in the same procedure as for the foam 10 and the fixing bracket 30 in the second row. Next, as shown in FIGS. 7 (b) to 7 (f), the second row porcelain roofing material 20 is placed on the second row resin foam 10 with the case of the first row porcelain roofing material 20. Install according to the same procedure. As shown in FIG. 7D, the upper part of the tail portion 21 of the main body portion 21 of the first row ceramic plate roofing material 20 and the lower side of the head of the second row ceramic plate roofing material 20 to be installed on the ridge side thereof. There is a gap between the protrusion 27 and the fixing metal fitting 30 so that the lower protrusion 27 of the head can pass downward through the gap. As shown in FIG. 7 (e), the adhesive 41 is dried, and the head of the ceramic plate roofing material 20 in the second row extends to the eaves side extending portion 33 and the second upper extending portion 33 of the fixing metal fitting 30 in the second row. When it is adhered to the portion 34, the tail portion of the ceramic plate roofing material 20 in the first row becomes more difficult to lift.

By repeating the same operation, the resin foams 10 in the third and subsequent rows, the fixing metal fittings 30 in the fourth and subsequent rows, and the porcelain roofing material 20 in the third and subsequent rows are installed. As a result, the roof 1 shown in FIG. 1 (a) is constructed.

According to this embodiment, the following effects can be obtained.
[A] Even if the porcelain roofing material 20 does not have a special shape such as a nail hole or an engaging portion (butt sword), the porcelain roofing material 20 can be fixed to the field plate 8. Therefore, as in the present embodiment, there is a problem even when it is impossible or difficult to provide a nail hole, an engaging portion, or the like in the porcelain roofing material 20 in order to extrude the porcelain roofing material 20 in the width direction thereof. Can be implemented without.
[B] Each ceramic plate roofing material 20 can be firmly fixed to the field plate 8 by the two fixing metal fittings 30 on the eaves side and the ridge side and the adhesive 41. Further, since the adhesive portion by the adhesive 41 is the second upper extending portion 34 and the eaves side extending portion 33 on the fixing portion 31 side of the head floating prevention portion 37 and the tail lifting prevention portion 35, this point also The fixation becomes strong. Further, by adhering the head of the ceramic plate roofing material 20 on the ridge side to the fixing metal fitting 30 in this way, the fixing of the tail portion of the ceramic plate roofing material 20 on the eaves side (prevention of floating of the bottom) is also strengthened.
[C] Each fixing metal fitting 30 has a fixture on the butt side for fixing the butt portion of the porcelain roofing material 20 on the eaves side and a head side fixing for fixing the head of the porcelain roofing material 20 on the ridge side. Since it also serves as a tool, the ceramic plate roofing material 20 can be efficiently held with a small number of fixing metal fittings 30.
[D] As shown in FIGS. 6 (c) to 6 (e) and FIGS. 7 (c) to 7 (e), the head lower protrusion 27 of the porcelain roofing material 20 is provided from above on the guide portion 38 of the fixing bracket 30. Since the lower protrusion 27 of the head can be arranged below the head floating prevention portion 37 of the fixing metal fitting 30 just by pressing the roof 1, the construction work of the roof 1 can be efficiently performed.

1 Roof 8 Field board 10 Resin foam 11 Main body 13 Building side underwrap (underwrap)
14 eaves side overlap (overlap)
20 Ceramic plate roofing material 21 Main body 25 Butt protrusion 26 Head upper protrusion 27 Head lower protrusion 30 Fixing bracket 31 Fixing part 32 First upper extending part (extending part)
33 eaves side extension part (extension part)
34 Second upper extension part (extension part)
35 Buttocks floating prevention part 36 Head stop part 37 Head floating prevention part 38 Guide part 41 Adhesive

Claims (9)

Multiple porcelain roofing materials (20) arranged so that their heads overlap the bottom of the porcelain roofing material (20) on the eaves side, and two porcelain roofing materials adjacent to each other on the eaves side and the ridge side. (20) is configured to include a fixing bracket (30) provided between the two.
Each fixing bracket (30) has a fixing portion (31) fixed to the field and an extending portion (32 to 34) extending from the tip thereof to the front of the upper surface of the bottom portion of the porcelain roofing material (20) on the eaves side. And the bottom floating prevention portion (35) extending from the tip to the eaves side through the upper side of the tail portion to prevent the tail portion from rising, and the porcelain roofing material (20) on the ridge side from the tip. A head stopper (36) extending upward through the eaves side of the head to prevent the porcelain roofing material (20) from sliding down to the eaves side, and a ridge passing from the tip thereof to the upper side of the head. It is configured to include a head floating prevention portion (37) extending to the side to prevent the head from rising, and a ridge-side porcelain roofing material (20) is attached to the extending portion (32 to 34) with an adhesive (20). The roof glued by 41). Each fixing bracket (30) is provided with a guide portion (38) extending diagonally upward from the tip of the head floating prevention portion (37) to the eaves side, and the fixing portion (31) of the fixing bracket (30) is fixed to the field. Then, when the head of the ceramic plate roofing material (20) is pressed against the guide portion (38) from above, the fixing metal fitting (30) is elastically deformed, so that at least the guide portion (38) and the head floating prevention portion (37) are deformed. ) Is displaced to the eaves side, and when the head is passed under the head floating prevention portion (37) from that state, the guide portion (38) and the head floating prevention portion (37) are moved to the ridge side by elastic force. The roof according to claim 1, wherein the head can be inserted below the head floating prevention portion (37) by returning to. Each porcelain roofing material (20) is formed of a flat plate-shaped main body (21) and a main body (21) of the porcelain roofing material (20) on the ridge side protruding from the lower part of the bottom of the main body (21) toward the ridge. The buttock protrusion (25) that enters the lower side and the upper head protrusion that protrudes from the upper part of the head of the main body (21) toward the eaves and overlaps the upper side of the main body (21) of the porcelain roofing material (20) on the eaves side. (26) and the lower head protrusion (27) protruding from the lower part of the head of the main body (21) toward the eaves and overlapping the upper side of the buttock protrusion (25) of the porcelain roofing material (20) on the eaves side. Consists of
The head stop portion (36) extends upward through the eaves side of the lower head protrusion (27), and the head lift prevention portion (37) passes above the upper side of the lower head protrusion (27) to the ridge side. The roof according to claim 1 or 2. Each porcelain roofing material (20) is longer in the width direction than the flow direction, and a plurality of fixing metal fittings (30) on the eaves side are installed at intervals in the width direction with respect to one porcelain roofing material (20). The roof according to any one of claims 1 to 3, wherein a plurality of fixing metal fittings (30) on the ridge side are installed at intervals in the width direction. A resin foam (10) is interposed between each porcelain roofing material (20), the fixing metal fittings (30) on the eaves side, the fixing metal fittings (30) on the ridge side, and the field board (8). A notch (15) penetrating vertically is formed in a portion of the resin foam (10) on the head side end surface adjacent to the eaves-side fixing metal fitting (30), and the adhesive (41) is formed in the notch (15). ) Is injected into the roof according to any one of claims 1 to 4. Each resin foam (10) is longer in the width direction than the flow direction, and a plurality of drainage grooves (12) extending in the flow direction for flowing rainwater are formed on the upper surface of each resin foam (10) in the width direction. The roof according to claim 5, wherein the roofs are arranged side by side at intervals and the notch (15) is provided between the drainage ditches (12). Each resin foam (10) has a flat plate-shaped main body (11), an underwrap (13) protruding from the lower part of the tail of the main body (11) toward the ridge, and an upper head of the main body (11). It is configured to include an overlap (14) that protrudes from the eaves side and overlaps the underlap (13) of the resin foam (10) on the eaves side, and the notch (14) is formed on the cranial end surface of the overlap (14). The roof according to claim 5 or 6, wherein 15) is formed. The extension portions (32 to 34) of each fixing bracket (30) are
The first extending upward from the tip of the fixed portion (31) through between the underlap (13) of the resin foam (10) on the eaves side and the main body portion (11) of the resin foam (10) on the ridge side. The eaves pass between the upper extension portion (32) and the overlap (13) of the resin foam (10) on the eave side and the overlap (14) of the resin foam (10) on the ridge side from the tip thereof. The eaves-side extension portion (33) extending to the side, and the lower part of the overlap (14) between the main body portion (11) of the resin foam (10) on the eaves side and the resin foam (10) on the ridge side from the tip thereof. A second upper extension (2) extending upward through the space and between the bottom of the porcelain roofing material (20) on the eaves side and the upper part of the overlap (14) of the resin foam (10) on the ridge side. 34) and is configured
The seventh aspect of claim 7 in which the resin foam (10) and the porcelain roofing material (20) are adhered to the eaves side extension portion (33) and the second upper extension portion (34) by the adhesive (41). Roof. A fixed portion (31), an extending portion (32 to 34) extending from the tip thereof, a tail floating prevention portion (35) extending from the tip to the eaves side, and a head stop portion (36) extending upward from the tip. A plurality of fixing metal fittings (30) including a head floating prevention portion (37) extending from the tip to the ridge side and a guide portion (38) extending diagonally upward from the tip to the eaves side are used at least for the eaves. The process of fixing the fixing part (31) of each fixing metal fitting (30) to the field so that the fixing metal fittings (30) are lined up in two rows on the side and the ridge side.
After that, a step of attaching an adhesive (41) to the extending portion (32 to 34) of the fixing metal fitting (30) on the eaves side, and
After that, the head portion of the ceramic plate roofing material (20) is placed on the eaves side while the tail portion of the ceramic plate roofing material (20) is inserted below the tail floating prevention portion (35) of the fixing bracket (30) on the ridge side. By pressing the fixing bracket (30) against the guide portion (38) from above and elastically deforming the fixing bracket (30), at least the guide portion (38) and the head floating prevention portion (37) are eaves. By shifting it to the side and passing the head under the head floating prevention portion (37) from that state, the guide portion (38) and the head floating prevention portion (37) are returned to the ridge side by elastic force. By the step of arranging the head under the head floating prevention portion (37) of the fixing metal fitting (30) on the eaves side.
The porcelain roofing material (20) is arranged below the bottom floating prevention portion (35) of the fixing bracket (30) on the ridge side and the head floating prevention portion (37) of the fixing bracket (30) on the eave side. At the same time, a method of constructing a roof to be adhered to the extending portion (32 to 34) of the fixing metal fitting (30) on the eave side.

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