JP5179287B2 - Support metal fittings and support structure for eaves - Google Patents

Description

  The present invention relates to an eaves top material support fitting and a support structure that supports an end of an eaves top material and is attached to an outer wall.

  Often roof eaves are placed at the eaves of the roof. One end of the eaves is supported on the outer wall by a support fitting, and a ventilation opening for ventilating the back of the hut and the outside is formed.

  As a conventional example, a support bracket with a substantially U-shaped cross section that supports the eaves top plate is fixed to the wall with a nail, and a ventilation port is formed in the horizontal part below the support bracket, and nonflammable in the vicinity of this ventilation port. There is a support structure for an eaves material to which a volume expansion material (thermal foaming material) is attached (Patent Document 1).

JP-A-6-73828

In the conventional example shown in Patent Document 1, the end portion of the eave roof material is supported by a support bracket having a substantially U-shaped cross section, and the portion of the support bracket facing the upper and lower surfaces of the end portion of the eave ceiling material has ventilation Each of the openings is formed, and a foam material is provided in the vicinity of the portion where the ventilation opening of the support metal fitting facing the lower surface of the end portion of the eaves ceiling material is formed.
Normally, the heat from the back of the shed is outside the building through the ventilation hole facing the top of the edge of the eave roof material, through the space inside the support bracket, and the ventilation hole facing the bottom of the edge of the roof top. An air passage for ventilation is provided so as to be discharged.
In addition, when a fire occurs, the thermal foaming material expands to block the ventilation air passage and prevent hot air or flame from entering the back of the hut. However, in the case of the support metal fittings as in the conventional example, if the expansion of the thermal foam material does not occur sufficiently, the ventilation air passage is not sufficiently blocked, and hot air and flame enter the back of the cabin. There is a problem that it is impossible to prevent the spread of fire.

  An object of the present invention is to provide a support bracket for eave roof material and a support structure that can more reliably prevent the spread of fire due to a fire.

The eaves ceiling support brackets of the present invention will be described with reference to the drawings. The eaves ceiling support brackets 7, 27, and 37 support the ends of the eaves ceiling 6 and abut against the outer wall 3. A holding portion 71 having a U-shaped cross section for holding an end portion of the eaves ceiling material, and an attachment portion 72 provided above the holding portion and abutting against the outer wall portion, The part has a vertical part 711 and horizontal parts 712 and 713 each provided with one end at both upper and lower ends of the vertical part, and the attachment part is a horizontal part provided at the upper end part of the vertical part. A vertical piece 721 erected from above the other end side, a horizontal piece 722 formed integrally with the vertical piece, and an attachment integrally formed with the horizontal piece to contact the outer wall And a horizontal portion of the holding portion and the horizontal portion of the mounting portion. A ventilation port 7A is formed in at least one of the parts, the upper surface side and the lower surface side of the ventilation port, and the vertical part and the mounting piece part diagonally opposed to the vertical piece part across the ventilation port. At least one portion and the vertical piece are respectively provided with thermal foams 8 that expand when heated to close the ventilation port.
In the invention of this configuration, the thermal foam material is provided as described above in a staggered arrangement with respect to the ventilation port formed in at least one of the horizontal portion of the holding portion and the horizontal piece portion of the mounting portion. In the event of a fire, the thermal foam material can cover the upper and lower surfaces of the vent. Furthermore, since the thermal foam material expands from the vertical piece portion side, the vertical portion, and the attachment piece portion side, it can be covered from the right side and the left side of the ventilation port. Therefore, in the invention of this configuration, the ventilation opening can be reliably closed, the communication between the back of the hut and the outside of the building can be reliably blocked, and the spread of fire can be more reliably prevented.
And since the thermal foaming material is provided in the vertical part of the holding part, the vertical piece part of the mounting part, etc., it expands in the horizontal direction on the upper surface side and the lower surface side with respect to the ventilation port at the time of expansion. There is no swelling. Therefore, the vent hole can be reliably closed early and fire spread can be reliably prevented.

Here, in this invention, the structure which the water return part 725,725A is provided in the upper end part of the said attachment piece part of the said attachment part in the support bracket for eave roof materials is preferable.
In the invention of this configuration, even if rainwater tries to blow into the back of the hut, this can be prevented by the water return portion and can be prevented from entering the back of the hut.

Further, in the support metal fitting of the present invention, the holding portion and the attachment portion are formed separately, the ventilation port is formed in a horizontal piece portion of the attachment portion, and the thermal foam material is provided on the attachment portion. The structure provided in the vertical piece part and the attachment piece part of the said attachment part is preferable.
In the invention of this configuration, since the attachment portion and the holding portion are formed separately, the support metal fitting can be easily applied to the outer wall portion.

The eave ceiling support structure according to the present invention is characterized in that the eave ceiling material is supported on the outer wall portion using the eave ceiling support bracket having the above-described structure.
In the invention of this support structure, the thermal foam material is provided as described above in a staggered arrangement for at least one of the horizontal portion of the holding portion and the horizontal piece portion of the mounting portion. In the event of a fire, blockage leakage can be greatly reduced.

[First Embodiment]
Embodiments of the present invention will be described below with reference to the drawings. 1 to 3 show a first embodiment of the present invention.
FIG. 1 shows the overall configuration of the support structure for the eaves ceiling member 6 according to the first embodiment.
In FIG. 1, an inclined roof 1 is provided on a building body 2. The building body 2 has an outer wall 31 on the outer periphery thereof, and when the sealing member 32 described later is disposed on the surface of the outer wall 31, the outer wall 31 and the sealing member 32 constitute the outer wall portion 3. become.
Further, the inclined roof 1 is supported near the upper portion of the outer wall 31 via the bracket 4. The building body 2 may be a unit-type building constructed by combining a plurality of building units in which a cuboid frame is formed from beams and columns, a building by a panel method constructed by combining a plurality of panels, or a conventional method. .

The inclined roof 1 has a structure in which a roof material 12 is disposed on a roof panel 11 that is disposed in an inclined manner, and a reed 13 is attached to a lower end portion of the roof panel 11.
The roof panel 11 includes a vertical frame 11A disposed along the roof flow direction, a horizontal frame 11B disposed orthogonal to the vertical frame 11A, and a surface material attached to the upper surfaces of the vertical frame 11A and the horizontal frame 11B. 11C.
The upper end portions of the support frames 51 and 52 are respectively attached to the lower end side and the upper end side of the vertical frame 11A, and the flat eave ceiling material 6 is attached to the lower end portions of the support frames 51 and 52 via the frame 53. Is attached. Face members 54 are attached to the support frames 51 and 52 with nails, respectively. The eaves ceiling 6 is fixed to the frame 53 with nails (see FIG. 2).

The frame 53 is arranged so that the end edge thereof is offset inward from the end edge of the eaves ceiling member 6.
The eaves top 6 is supported by a support fitting 7 provided at the building side end portion substantially horizontally along the outer wall 3, and the eave end side end portion is supported by a support bracket 60. The support bracket 60 is formed in a U-shaped cross section so as to support the end portion of the eaves ceiling member 6, and the upper end portion thereof is fixed to the frame body 53.

[Support bracket structure]
The detailed structure of the support fitting 7 is shown in FIGS. FIG. 2 is a cross-sectional view showing the main part of the support structure for the eaves ceiling member 6, and FIG. 3 is a front view showing a state in which the support fitting 7 is in contact with the outer wall part 3.
2 and 3, the support metal fitting 7 is formed by bending a long metal plate material, and has a holding portion 71 formed in a U-shaped cross section for holding an end portion of the eaves ceiling material 6. The mounting portion 72 is provided above the holding portion 71 and is brought into contact with the outer wall portion 3. In this embodiment, the holding part 71 and the attaching part 72 are formed separately.

[Holder structure]
The holding portion 71 includes a vertical portion 711, a horizontal portion 712 provided at the upper end portion of the vertical portion 711, and a horizontal portion 713 provided at the lower end portion of the vertical portion 711. The horizontal portion 712 and the horizontal portion The edge of the eaves top member 6 is inserted to a substantially central portion 713 in the horizontal direction. The horizontal portion 712 and the horizontal portion 713 are vertically opposed to each other. Of these, the end portion of the horizontal portion 712 is folded toward the back side of the opening of the holding portion 71, and the end portion of the horizontal portion 713 is the holding portion 71. Is folded back toward the back side of the opening.
The holding portion 71 is fixed to the frame 53 with nails (see FIG. 2).

[Mounting structure]
The attachment portion 72 is formed integrally with a vertical piece portion 721 provided upright from the upper side of the other end side of the horizontal portion 712 provided at the upper end portion of the vertical portion 711 of the holding portion 71, and the vertical piece portion 721. It has a horizontal piece 722 and a mounting piece 723 that is integrally formed with the horizontal piece 722 and is brought into contact with the outer wall 3. Further, the attachment portion 72 has a flange portion 724 integrally formed at the lower end portion of the vertical piece portion 721 and a water return portion 725 integrally formed at the upper end portion of the attachment piece portion.
The distal end portion of the flange portion 724 is provided so as to be positioned closer to the outer wall than the distal end portion of the horizontal portion 712. Moreover, the collar part 724 is fixed to the frame 53 with nails (see FIG. 2).
The water return portion 725 is formed to extend in a substantially horizontal direction from the upper end portion of the attachment piece portion 723.
The attachment piece portion 723 is placed in opposition to the flat portion 31A of the outer wall 31 with a plate-shaped sealing member 32 interposed therebetween, and the attachment piece portion 723 is brought into contact with the outer wall portion 3 by applying tension. The sealing member 32 can use an EPDM foam material or the like as an elastic body in order to absorb the step of the outer wall 31.

[Ventilation opening formation]
An internal space S1 formed between the horizontal portion 712, the vertical piece 721, the horizontal piece 722, and the outer wall 31 communicates with a space S2 that is on the upper side of the horizontal piece 722 and communicates with the back of the hut. A ventilation port 7A is formed in the horizontal piece 722.

[Thermal foaming material]
The vertical piece 721 is provided with the thermal foam material 8 on the surface facing the internal space S1, and the mounting piece 723 is provided on the surface facing the frame 53. That is, the thermal foaming material 8 is provided in a zigzag manner across the ventilation port 7A.
The thermal foaming material 8 expands in volume until it closes the ventilation port 7A by being heated (refer to an imaginary line). The material is made of, for example, a graphite-based material, specifically, the cut sheet G (Ask Co., Ltd.) can be used. This thermal foaming material 8 foams when heated to about 200 ° C. or more, and expands about 15 to 20 times by application of a thickness of 2 to 3 mm, for example.

[Outer wall]
In the present embodiment, the outer wall 31 is formed with an outer wall panel flat surface portion 31B having a smooth surface on the lower side of the flat surface portion 31A.
In the present embodiment, a ventilation portion P1 that allows communication with the internal space S1 is provided between the vertical portion of the holding portion 71 and the outer wall 31.

[Ventilation and blockage in the attic]
In the support structure of the eaves ceiling member 6 with this configuration, the space S2 communicating with the back of the cabin and the external space are normally communicated with each other through the ventilation port 7A, the internal space S1, and the ventilation part P1 formed in the support bracket 7. Can ventilate the back of the hut.
Here, if the eaves ceiling material 6 is heated at the time of a fire occurrence, the support bracket 7 which supports the eaves ceiling material 6 will become high temperature. Then, the two thermal foaming materials 8 provided in the support fitting 7 are heated and expanded respectively to close the ventilation port 7A up and down, and communication between the space S2 communicating with the back of the hut and the external space is prevented. Fire spread is prevented.

[Effects of First Embodiment]
Therefore, in the first embodiment, the following operational effects can be achieved.
(1) Since the thermal foam material 8 is provided on both the vertical piece 721 and the attachment piece 723 of the attachment portion 72, both the thermal foam materials 8 expand and are provided on the horizontal piece 722 in the event of a fire. The upper surface side and the lower surface side of the vent hole 7A are covered. Further, since the thermal foam material 8 expands from the vertical piece portion 721 side and the attachment piece portion 723 side, the ventilation port 7A is covered with the thermal foam material that expands from different directions.
Therefore, in the invention of this configuration, in order to improve the ventilation performance of the back of the hut, even if a large number of ventilation openings 7A are provided, at least one side of the upper surface or the lower surface of the ventilation opening 7A is not attached to the thermal foam material 8. Covered. Therefore, the ventilation port 7A is not sufficiently blocked, the ventilation port 7A can be reliably blocked, the communication between the back of the hut and the outside of the building is reliably blocked, and the spread of fire is more reliably prevented. be able to.
Moreover, since it is not necessary to form the ventilation port 7A in the horizontal portion 712 of the holding portion 71, the amount of insertion of the eave roof material 6 into the holding portion 71 can be freely set, and the eave ceiling material 6 is attached. Can be made easy.

(2) Since the thermal foam material 8 is provided in the vertical portion 711 of the holding portion 71 and the vertical piece portion 721 of the mounting portion 72, it expands in the horizontal direction when the thermal foam material 8 is heated. Therefore, it does not expand in an unnecessary direction. Therefore, the vent hole can be reliably closed early and fire spread can be reliably prevented. In addition, since the heat foaming material 8 extends in the horizontal direction when expanded, the ventilation port 7A is closed, so that the space for the support metal 7 can be saved in the vertical direction, and the support metal 7 can be reduced in size. be able to.

(3) Since a water return portion 725 is provided at the upper end of the attachment piece portion 723 of the attachment portion 72, even if rainwater tries to blow into the back of the hut, the water return portion 725 prevents it from entering the back of the hut. Can be prevented.

(4) Since the holding portion 71 and the attachment portion 72 are formed separately, the support fitting 7 can be easily applied to the outer wall portion 3 and the frame body 53.

(5) Since the folded portion is formed in the horizontal portion 712 below the holding portion 71, the end edge is not exposed, so that the work of inserting the eave roof material 6 into the holding portion 71 can be performed safely. .

(6) Since the ventilation part P1 that enables communication with the internal space S1 is provided between the vertical part 711 and the outer wall part 3 of the holding part 71, the ventilation part 7A is not formed in the holding part 71. Since it is good, the external appearance of the support metal fitting 7 can be made favorable.

[Second Embodiment]
Next, a second embodiment of the present invention will be described with reference to FIG.
The second embodiment is different from the first embodiment in the shape of the support bracket 27, the location where the ventilation port 7A is formed, and the location where the thermal foam material 8 is attached, and the other configurations are the same as those in the first embodiment. Here, in description of 2nd Embodiment, the component same as 1st Embodiment attaches | subjects the same code | symbol, and abbreviate | omits description.
FIG. 4 is a cross-sectional view corresponding to FIG. 2, showing a main part of the support structure for the eaves ceiling material of the second embodiment.
In FIG. 4, the eaves ceiling member 6 is supported at a building side end portion by a support fitting 27 provided on the outer wall portion 3 along a substantially horizontal direction.

[Support bracket structure]
The support fitting 27 is formed by bending a long metal plate material, and has a holding portion 71 formed in a U-shaped cross-section for holding the end portion of the eaves ceiling member 6 and an upper portion of the holding portion. It is the structure provided with the attaching part 72 made to contact | abut to the outer wall panel flat part 31B. In this embodiment, the holding part 71 and the attaching part 72 are formed separately.

[Holder structure]
The holding portion 71 includes a vertical portion 711 that contacts the outer wall portion 3, a horizontal portion 712 provided at the upper end portion of the vertical portion 711, and a horizontal portion 713 provided at the lower end portion of the vertical portion 711.

[Mounting structure]
The attachment portion 72 includes a vertical piece 721, a horizontal piece 722, an attachment piece 723, and a water return portion 725A. Here, the shape of the water return portion 725A is different from that of the first embodiment, and other shapes are the same as those of the first embodiment.
The water return portion 725A in the second embodiment is integrally formed by extending downward (in the direction of the horizontal piece portion 722) from the upper end portion of the attachment piece portion 723.

[Ventilation opening formation]
Unlike the first embodiment, ventilation openings 7A are formed in the horizontal portion 712 and the horizontal portion 713 of the holding portion 71, respectively. Further, in the mounting portion 72, a ventilation port 7A is also formed in the horizontal piece portion 722 as in the first embodiment.

[Arrangement of thermal foam material]
The attachment location of the thermal foam material 8 is different from that of the first embodiment. That is, the thermal foam material 8 is provided in a portion of the vertical portion 711 facing the end surface of the eaves ceiling material 6.
Similarly to the first embodiment, the mounting portion 72 has the thermal foam material 8 on the surface facing the internal space S1 on the vertical piece 721 and on the surface facing the frame 53 on the mounting piece 723, respectively. Is provided.
Therefore, the support bracket 27 of the eaves ceiling material 6 according to the second embodiment is provided with three ventilation openings 7A, and three thermal foam materials 8 are provided in a zigzag manner across the ventilation openings 7A. Will be.

[Effects of Second Embodiment]
Therefore, in the second embodiment, the same effects as (2), (4), (5) of the first embodiment can be obtained, and the following operational effects can be obtained.
(7) Since the heat foaming material 8 is provided in three places in a staggered manner with respect to the ventilation opening 7A provided over three stages, the ventilation between the back of the hut and the outside of the building can be reliably performed. At the same time, in the event of a fire, the ventilation port 7A can be closed more reliably, and fire spread can be reliably prevented.

(8) Since the water return portion 725A extends from the attachment piece portion 723 in the direction of the horizontal piece portion 722, it is possible to more reliably prevent rainwater and the like from entering the back of the cabin. Furthermore, since the expansion direction of the thermal foam material 8 can be controlled toward the ventilation port 7A of the horizontal piece 722, the ventilation port 7A can be reliably closed when a fire occurs.

[Third Embodiment]
Next, a third embodiment of the present invention will be described with reference to FIG. The third embodiment is different from the above-described embodiment in that the support fitting 37 is integrally formed. Here, in the description of the third embodiment, the same components as those of the above-described embodiments are denoted by the same reference numerals, and description thereof is omitted.
FIG. 5 is a cross-sectional view corresponding to FIG. 2, showing the main part of the eaves ceiling material support structure according to the third embodiment.
In FIG. 5, the eaves ceiling member 6 is supported at a building-side end portion by a support metal fitting 37 provided substantially horizontally along the outer wall portion 3.

  The support bracket 37 is formed by bending a long metal plate material, and includes a holding portion 71 that holds the end portion of the eaves top member 6 and an attachment portion that makes the holding portion 71 contact the outer wall portion 3. 72 is integrally formed.

[Holder structure]
The holding part 71 includes a vertical part 711 that contacts a part of the outer wall part 3, a horizontal part 712 provided at the upper end part of the vertical part 711, and a horizontal part 713 provided at the lower end part of the vertical part 711. And the edge of the eaves top member 6 is inserted to the substantially central portion of the horizontal portion 712 and the horizontal portion 713 in the horizontal direction. The horizontal part 712 and the horizontal part 713 are vertically opposed to each other, and the end part of the horizontal part 713 is folded back toward the back side of the opening of the holding part 71.

[Mounting structure]
The attachment portion 72 is formed integrally with a vertical piece portion 721 that stands integrally from the opening side end portion of the horizontal portion 712 provided at the upper end portion of the vertical portion 711 of the holding portion 71 and the vertical piece portion 721. And a mounting piece 723 formed integrally with the horizontal piece 722 and brought into contact with the outer wall 3. And since the attachment piece part 723 is arrange | positioned facing the plane part 31A on both sides of the sealing member 32, it fixes to the outer wall part 3 with the nail 9 in that state. A plurality of nails 9 are arranged along the longitudinal direction of the support fitting 7.
Further, the water return portion 725 </ b> A extends downward from the upper end portion of the attachment piece portion 723 (in the direction of the horizontal piece portion 722) and is integrally formed. In addition, unlike the said embodiment, the collar part is not formed in the lower end part of the vertical piece part 721. FIG.

[Air vent]
As in the second embodiment, the ventilation port 7A is formed in the horizontal portion 712, the horizontal portion 713, and the horizontal piece portion 722 in three stages.

[Arrangement of thermal foam material]
As in the second embodiment, the thermal foam material 8 has a surface facing the end surface of the eaves ceiling 6 of the vertical portion 711, a surface facing the internal space S1 of the U-shaped section of the vertical piece 721, and an attachment piece portion. 723 is provided on the surface facing the frame body 53. Therefore, the support bracket 37 of the eaves ceiling member 6 according to the third embodiment is provided with three ventilation openings 7A, and three thermal foams 8 are provided in a staggered manner across the ventilation openings 7A. Will be.

[Outer wall]
Unlike the embodiment in which the outer wall 31 is formed with the flat surface portion 31A and the outer wall panel flat surface portion 31B, the outer wall 31 is provided with a flat surface portion 31A to which the mounting piece portion 723 of the mounting portion 72 is attached and below the flat surface portion 31A. It has the formed outer wall panel convex part 31C and the outer wall panel recessed part 31D. The outer wall panel concave portion 31D and the flat surface portion 31A are substantially flush with each other, the outer wall panel convex portion 31C is raised from the bottom surface of the flat surface portion 31A and the outer wall panel concave portion 31D, and the top portion of the planar rectangular shape is the vertical portion 711 of the holding portion 71. Abut. The outer wall panel convex portions 31C are arranged vertically and horizontally apart from each other by a predetermined distance, and an outer wall panel concave portion 31D is formed in a cross shape between the outer wall panel convex portions 31C. In the present embodiment, the outer wall panel convex portion 31C and the outer wall panel concave portion 31D may be formed in a stripe shape extending vertically.
A gap formed vertically between the outer wall panel recess 31D and the vertical portion 711 is a ventilation portion, and this ventilation portion communicates the external space of the building and the internal space S1.

[Ventilation and blockage in the attic]
In the eave ceiling material support structure with this configuration, the space S2 communicating with the back of the cabin and the external space are communicated with each other through the ventilation port 7A, the internal space S1, and the ventilation part P2 formed in the support bracket 37. Ventilation of the back of the hut can be done.
Here, when the eaves ceiling material 6 is heated by the occurrence of a fire, the support fitting 37 that supports the eaves ceiling material 6 becomes high temperature. Then, the thermal foaming material 8 is heated and expanded to close the ventilation port 7A, the communication between the space S2 communicating with the back of the cabin and the external space is prevented, and the spread of fire is prevented.
In the support bracket 37, a holding portion 71 that supports an end portion of the eaves ceiling member 6 and an attachment portion 72 that is attached to the outer wall portion 3 are integrated, and the eave ceiling member 6 does not fall off the frame body 53.

[Effects of Third Embodiment]
Therefore, in the third embodiment, the same effects as (2) and (5) of the first embodiment and (7) and (8) of the second embodiment can be obtained, and the following effects can be obtained. be able to.

(9) Since the holding part 71 and the attachment part 72 are integrated, even if the support bracket 37 is heated in the event of a fire, the U-shaped section 71 does not separate from the attachment part 72, and Dropping can be prevented.

It should be noted that the present invention is not limited to the above-described embodiment, and modifications, improvements, etc. within a scope that can achieve the object of the present invention are included in the present invention.
For example, in each of the embodiments, the folded portion is formed in the horizontal portion 712 below the holding portion 71. However, in the present invention, the folded portion is not necessarily formed.
In addition, when the holding part 71 and the attaching part 72 are different from each other, the holding part 71 and the attaching part 72 are fixed to the frame 53 with separate nails. You may fix both with nails.
Further, the mounting piece 723 may be brought into direct contact by pressing the mounting piece 723 against the outer wall 31 by other means without providing the sealing member 32, or other panels may be attached to the outer wall 31. Etc. may be attached so that the communication between the back of the hut and the outside of the building does not occur between the support fitting and the outer wall 3.

  The present invention can be used for buildings constructed by various methods.

Sectional drawing which shows the whole structure of the support structure of the eaves top material concerning 1st Embodiment of this invention. Sectional drawing which shows the principal part of the support structure of the eaves top material of 1st Embodiment. The front view which shows the state which the support metal fitting contact | abutted to the outer wall part. Sectional drawing which shows the principal part of the support structure of the eaves top material concerning 2nd Embodiment of this invention, and respond | corresponds to FIG. Sectional drawing which shows the principal part of the support structure of the eaves top material concerning 3rd Embodiment of this invention, and respond | corresponds to FIG.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 3 ... Outer wall part, 6 ... Eave top material, 7, 27, 37 ... Support metal fitting, 7A ... Ventilation port, 71 ... Holding part, 711 ... Vertical part, 712, 713 ... Horizontal part, 72 ... Mounting part, 721 ... Vertical One part, 722 ... Horizontal one part, 723 ... Mounting piece part, 725 ... Water return part, 8 ... Thermal foaming material

Claims (4)

A support metal fitting for the eaves top material that supports the end portion of the eaves top material and makes contact with the outer wall portion,
A holding part formed in a U-shaped cross-section for holding the end of the eaves material,
A mounting portion provided above the holding portion and abutting against the outer wall portion;
The holding part has a vertical part and a horizontal part provided with one end at each of upper and lower ends of the vertical part,
The mounting portion includes a vertical piece provided upright from above the other end of the horizontal portion provided at the upper end of the vertical portion, a horizontal piece integrally formed with the vertical piece, and the horizontal piece. A mounting piece for integrally contacting the outer wall and formed on one piece;
A ventilation port is formed in at least one of the horizontal portion of the holding portion and the horizontal piece portion of the mounting portion,
On the upper surface side and the lower surface side of the ventilation port, heating the at least one part of the vertical part and the mounting piece part diagonally opposed to the vertical piece part across the ventilation port and the vertical piece part, A heat-foaming material support metal fitting is provided, each of which is provided with a thermal foam material that expands its volume and closes the ventilation port.   The support bracket for eave top materials according to claim 1, wherein a water return portion is provided at an upper end portion of the attachment piece portion of the attachment portion.   In the eaves-top support bracket according to claim 1 or 2, the holding portion and the attachment portion are formed separately, and the ventilation port is formed in a horizontal piece portion of the attachment portion. The heat foaming material is provided on the vertical piece of the attachment portion and the attachment piece portion of the attachment portion.   A support structure for an eave ceiling material, wherein the eave ceiling material is supported on the outer wall portion using the eave ceiling material support bracket according to any one of claims 1 to 3.

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