JP2021188316A - Parting edge and parting edge construction method - Google Patents

Abstract

To provide a parting edge capable of exhibiting high waterproof performance and a parting edge construction method.SOLUTION: This U-shaped parting edge covers the upper end of an outer wall material of a building and abuts against the rear surface of the outer wall material and the front surface of an eaves soffit material of the building. The parting edge comprises: an upper plate that covers the upper end of the outer wall material; a front plate that droops from the front end of the upper plate; and a rear plate that droops from the rear end of the upper plate. The rear plate is longer than the front plate, a first waterproof gasket is provided outside the upper plate, and a second waterproof gasket is provided inside the rear plate.SELECTED DRAWING: Figure 1

Description

The present invention relates to a parting edge and a method of constructing a parting edge covering the upper end of the outer wall material at a joint portion between the upper end of the outer wall material of the building and the eaves ceiling material.

Patent Document 1 proposes a parting edge used at the boundary between the outer wall material and the eaves ceiling material.
The parting edge of Patent Document 1 is composed of an upper plate and an outer plate and an inner plate hanging from both edges of the upper plate. Ribs are formed, and the outer corners of the upper end of the upper plate are concave corners, and a fitting groove for the plate material is formed inside the parting edge.

Microfilm of Jitsugyo Hei 02-99597 (Jitsukaihei 04-5946)

However, in the parting edge shown in Patent Document 1, there is resistance to rainwater that is strongly sprayed on the outer wall material and tries to infiltrate into the wall ventilation layer from between the eaves roof material and the parting edge or between the outer wall material and the parting edge. There are few problems with waterproof performance. Further, if the surface of the eaves ceiling material or the surface of the outer wall material is uneven due to the design, or if the allowance for swallowing the outer wall material into the fitting groove is short, the risk of rainwater infiltrating into the wall ventilation layer is further increased.

An object of the present invention is to provide a parting edge and a method for constructing a parting edge that exhibit high waterproof performance at a joint portion between an upper end of an outer wall material and an eaves roof material.

The present invention according to claim 1 covers the upper end of the outer wall material 2 of the building, and has a U-shaped parting edge 1 that abuts on the back surface of the outer wall material 2 and the front surface of the eaves roof material 3 of the building. The parting edge 1 includes an upper surface plate 10 that covers the upper end of the outer wall material 2, a front surface plate 20 that hangs down from the front end portion of the upper surface plate 10, and a rear surface plate 30 that hangs down from the rear end portion of the upper surface plate 10. The rear surface plate 30 is longer than the front plate 20, and is characterized in that the first waterproof packing 40a is provided on the outside of the top plate 10 and the second waterproof packing 40b is provided on the inside of the rear surface plate 30. do.
The present invention according to claim 2 is characterized in that, in the parting edge 1 according to claim 1, the second waterproof packing 40b is provided at a position separated from the upper surface plate 10 by a predetermined dimension.
The present invention according to claim 3 is characterized in that, in the parting edge 1 according to claim 1 or 2, the second waterproof packing 40b is provided at the lower end height of the front plate 20.
The present invention according to claim 4 is a U-shaped parting edge 1 that covers the upper end of the outer wall material 2 of the building and abuts on the back surface of the outer wall material 2 and the front surface of the eaves roof material 3 of the building. The parting edge 1 includes a top plate 10 that covers the upper end of the outer wall material 2, a front plate 20 that hangs from the front end of the top plate 10, and a rear face plate 30 that hangs from the rear end of the top plate 10. The rear surface plate 30 is longer than the front plate 20, and the first waterproof packing 40a is provided on the outside of the upper surface plate 10, and at the lower end height of the front plate 20 inside the rear surface plate 30. In the method of constructing the parting edge 1 provided with the second waterproof packing 40b, the outside of the rear surface plate 30 is pressed against the ventilation furring edge 4 of the building, and the first waterproof packing 40a is pressed against the eaves material 3. The rear surface plate 30 is fixed to the ventilation furring strip 4 by striking a parting edge fastening nail 8a below the height of the lower end of the front surface plate 20, and the upper surface plate 10, the front plate 20 and the front plate 20 are fixed. By inserting the upper end of the outer wall material 2 into the outer wall material insertion space 50 formed by the rear surface plate 30, and striking the outer wall material 2 below the lower end height of the front plate 20 with the outer wall material fastening nail 8b. The second waterproof packing 40b is compressed by the outer wall material 2 and fixed to the ventilation furring strip 4.

According to the parting edge and the parting edge construction method of the present invention, high waterproof performance can be exhibited in the joint portion between the outer wall material and the eaves roof material.

A cross-sectional view and a perspective view of a parting edge according to an embodiment of the present invention, and a cross-sectional view showing a state in which the parting edge is applied to a joint portion between an outer wall material and an eaves roof material of a building. A perspective view showing a method of constructing a parting edge according to an embodiment of the present invention.

In the first embodiment of the present invention, the parting edge is a U-shaped parting edge that covers the upper end of the outer wall material of the building and is in contact with the back surface of the outer wall material and the surface of the eaves material of the building. It consists of a top plate that covers the upper end of the outer wall material, a front plate that hangs from the front end of the top plate, and a back plate that hangs from the rear end of the top plate. The first waterproof packing is provided on the outside, and the second waterproof packing is provided on the inside of the rear surface plate. According to the present embodiment, the siding edge is fixed to the ventilation trunk edge of the building at a position where the first waterproof packing provided on the outside of the upper surface plate of the siding edge abuts on the eaves top material, and the upper surface plate of the siding edge is fixed. After inserting the upper end of the outer wall material into the outer wall material insertion space formed by the front plate and the back plate, the outer wall material is fixed to the ventilation furring strip to hit the first waterproof packing and the outer wall material that come into contact with the eaves ceiling material. Since the second waterproof packing in contact is well compressed, it exhibits high waterproof performance against rainwater that tries to infiltrate into the wall ventilation layer from the joint between the upper end of the outer wall material and the eaves ceiling material. Further, even if the surface of the outer wall material has irregularities due to the design and a gap is generated between the outer wall material and the front plate, the second waterproof packing provided inside the rear surface plate is well compressed by the back surface of the outer wall material. Therefore, it exhibits high waterproof performance against rainwater that tries to enter the wall ventilation layer.

In the second embodiment of the present invention, the second waterproof packing is provided at a position separated from the upper surface plate by a predetermined dimension in the parting edge according to the first embodiment. According to the present embodiment, when the upper end of the outer wall material is inserted into the outer wall material insertion space formed by the front plate, the upper surface plate and the rear face plate of the siding edge, and then the outer wall material is fixed to the ventilation furring strip, the upper end of the outer wall material is used. Even if the siding allowance to the siding edge is short, or even if the outer wall material has some cutting dimensional error, it is provided at a position inside the rear surface plate by the back surface of the outer wall material and at a predetermined dimension away from the upper surface plate. Since the second waterproof packing is well compressed, it exhibits high waterproof performance against rainwater that tries to enter the wall ventilation layer from between the outer wall material and the siding edge.

In the third embodiment of the present invention, the second waterproof packing is provided at the lower end height of the front plate at the parting edge according to the first or second embodiment. According to the present embodiment, the binding material such as a nail for fixing the parting edge to the ventilation furring strip and the binding material such as a nail for fixing the outer wall material to the ventilation furring strip are lower or higher than the second waterproof packing. Since it is fastened at the same height as the second waterproof packing, rainwater that tries to enter the wall ventilation layer from between the outer wall material and the siding edge can be used as a binding material such as a nail that fixes the siding edge to the ventilation furring strip. It does not reach the binding material such as nails that fix the outer wall material to the ventilation furring strip, and it is possible to prevent rusting of the binding material and water leakage from the nail holes.

A fourth embodiment of the present invention is a U-shaped siding edge that covers the upper end of the outer wall material of the building and abuts on the back surface of the outer wall material and the front surface of the eaves material of the building. Consists of a top plate that covers the upper end of the outer wall material, a front plate that hangs from the front end of the top plate, and a back plate that hangs from the rear end of the top plate. In the method of constructing a parting edge in which the first waterproof packing is provided on the outside of the face plate and the second waterproof packing is provided on the inside of the rear face plate at the height of the lower end of the front plate, the outside of the rear face plate is used as the ventilation furring edge of the building. Pressing, the first waterproof packing 40a is pressed against the eaves top material 3 to compress it, and the rear surface plate is fixed to the ventilation furring edge by hitting a siding edge fastening nail below the lower end height of the front plate, and the upper surface plate. The second waterproof packing is attached to the outer wall by inserting the upper end of the outer wall material into the outer wall material insertion space formed by the front plate and the rear surface plate, and striking the outer wall material with the outer wall material fastening nail below the height of the lower end of the front plate. It is compressed with a material and fixed to the ventilation furring strip. According to the present embodiment, the first waterproof packing is well compressed by the eaves ceiling material, and the outer wall material is fixed with nails, so that the back surface of the outer wall material causes the inside of the rear surface plate to be separated from the upper surface plate by a predetermined dimension. Since the second waterproof packing provided at the position is well compressed, it exhibits high waterproof performance against rainwater that is about to enter the back of the eaves or the wall ventilation layer. Also, the binding material such as nails that fix the parting edge to the ventilation furring strip and the binding material such as nails that fix the outer wall material to the ventilation furring strip should be kept at a lower position than the waterproof packing or at the same height as the waterproof packing. Because it is attached, rainwater that tries to enter the wall ventilation layer from between the outer wall material and the siding edge can be used as a binding material such as a nail that fixes the siding edge to the ventilation furring strip or a nail that fixes the outer wall material to the ventilation furring strip. It is possible to prevent rusting of the binding material and water leakage from the nail hole without reaching the binding material such as.

Hereinafter, the parting edge of the present invention will be described.

FIG. 1 is a cross-sectional view and a perspective view of a parting edge according to an embodiment of the present invention, and a cross-sectional view showing a state in which the parting edge is applied to a joint portion between an outer wall material and an eaves roof material of a building.
1 (a) is a cross-sectional view of a parting edge according to an embodiment of the present invention, FIG. 1 (b) is a perspective view of the parting edge, and FIG. 1 (c) shows the parting edge as an outer wall material of a building. It is sectional drawing which shows the state which was constructed in the connection part with the eaves top material.

The parting edge 1 according to an embodiment of the present invention shown in FIG. 1A includes a top plate 10, a front plate 20, and a rear surface plate 30, and the rear surface plate 30 is longer than the front plate 20.
In this embodiment, the size of the front plate 20 is 20 mm, and the size of the rear plate 30 is 40 mm. Therefore, the rear surface plate 30 is 20 mm longer than the front surface plate 20, and when the parting edge 1 is constructed, 20 mm is the apparent dimension of the rear surface plate 30. Considering the handling when fixing the parting edge 1 to the ventilation furring edge 4, the length of the front plate 20 and the length of the rear surface plate 30 are preferably in a ratio of 1: 2. The size of the rear surface plate 30 is preferably 30 mm or more, most preferably 40 mm or more.
On the outside of the top plate 10, a first waterproof packing 40a is provided near the center of the top plate 10.
The front plate 20 is provided with a folded-back 21 at the lower end of the front plate 20. The folded-back 21 is provided by folding back the lower end of the front plate 20 toward the upper surface plate 10.
The rear surface plate 30 is provided with a folded-back 31 at the lower end of the rear surface plate 30, and a second waterproof packing 40b is provided inside the rear surface plate 30 at a position near the lower end height of the front plate 20. The folded-back 31 is provided by folding back the lower end of the rear surface plate 30 toward the upper surface plate 10. The distance between the second waterproof packing 40b and the upper surface plate 10 is the dimension from the upper end of the waterproof packing 40b to the back surface of the upper surface plate 10, preferably 5 mm to 20 mm, and most preferably about 15 mm.
The first waterproof packing 40a and the second waterproof packing 40b are made of a foamable rubber or resin material having a thickness of 3 mm, a width of 8.5 mm, and a length of 1829 mm, and are fixed to the back plate 30 with double-sided tape. EPDM rubber and thermoplastic elastomer, which have high waterproof and durable performance, are desirable.
As shown in FIG. 1 (b), the parting edge 1 has a length L, and in this embodiment, the length L is 1829 mm.

In the building shown in FIG. 1 (c), a moisture-permeable waterproof sheet 5 is provided on the surface of the outer wall base material 6, a ventilation furring strip 4 is provided on the moisture-permeable waterproof sheet 5, and an outer wall material 2 is provided on the ventilation furring strip 4. It is provided. The field edge 7 is provided on the ventilation trunk edge 4, and the eaves ceiling material 3 is provided on the lower surface of the field edge 7. There is a gap between the upper end of the outer wall material 2 and the eaves material 3. The parting edge 1 is constructed at the joint portion between the upper end of the outer wall material 2 and the eaves ceiling material 3.

FIG. 2A is a perspective view showing a state in which the outside of the rear surface plate of the parting edge according to the embodiment of the present invention is pressed against the ventilation furring strip, and the waterproof packing provided on the outside of the top plate is pressed against the eaves top material. 2 (b) is a cross-sectional view showing a state in which the siding edge is fixed to the ventilation furring edge with a nail, and FIG. 2 (c) is a cross-sectional view showing a state in which the upper end of the outer wall material is inserted into the siding edge. (D) is a cross-sectional view showing a state in which the upper end of the outer wall material is inserted into the siding edge and the outer wall material is fixed to the ventilation furring edge with a nail. The same configurations as those of the embodiment shown in FIG. 1 are designated by the same reference numerals and the description thereof will be omitted.

As shown in FIGS. 2A and 2B, the parting edge 1 is compressed by pressing the outside of the rear surface plate 30 against the ventilation furring strip 4 and pressing the first waterproof packing 40a against the eaves top material 3. The rear surface plate 30 is fixed to the ventilation furring edge 4 by striking a parting edge fastening nail 8a below the height of the lower end of the front plate 20.
Next, as shown in FIG. 2C, the upper end of the outer wall material 2 is inserted into the outer wall material insertion space 50 formed by the upper surface plate 10, the front surface plate 20, and the rear surface plate 30.
Then, as shown in FIG. 2 (d), the second waterproof packing 40b is compressed by the outer wall material 2 by striking the outer wall material fastening nail 8b below the lower end height of the front plate 20 to ventilate the outer wall material 2. It is fixed to the furring strip 4.

According to this embodiment, since the first waterproof packing 40a is well compressed by the eaves material 3, it is highly waterproof against rainwater that tries to infiltrate the back of the eaves from between the eaves material 3 and the parting edge 1. Demonstrate performance.
Further, according to the present embodiment, when the upper end of the outer wall material 2 is inserted into the outer wall material insertion space 50 formed by the upper surface plate 10, the front plate 20 and the rear face plate 30, the upper end of the outer wall material 2 is connected to the parting edge 1. If the swallowing allowance is short, or if the outer wall material 2 has some cutting dimensional error, the upper end of the outer wall material 2 does not reach the top plate 10, and there is a gap between the outer wall material 2 and the top plate 10. However, even in such a case, the back surface of the outer wall material 2 often compresses the second waterproof packing 40b provided inside the rear surface plate 30 at a position separated from the top plate 10 by a predetermined dimension. It exhibits high waterproof performance against rainwater that tends to enter the wall ventilation layer from between the outer wall material 2 and the siding edge 1.
Further, according to the present embodiment, the parting edge fastening nail 8a and the outer wall material fastening nail 8b are fastened at a position lower than the second waterproof packing 40b or at the same height as the second waterproof packing 40b at the highest. , Rainwater that tries to enter the wall ventilation layer from between the outer wall material 2 and the parting edge 1 does not reach the parting edge fastening nail 8a or the outer wall material fastening nail 8b, and is rusted or nailed in the binding material. Can prevent water leakage.

INDUSTRIAL APPLICABILITY The present invention is suitable as a method for constructing a parting edge and a parting edge to be applied to a portion where the upper end of the outer wall material of a building and the eaves ceiling material are connected.

1 Parting edge 2 Outer wall material 3 Eaves top material 4 Ventilation furring edge 5 Breathable waterproof sheet 6 Outer wall base material 7 Field edge 8a Parting edge fastening nail 8b Outer wall material fastening nail 10 Top plate 20 Front plate 21 Folded back 30 Back plate 31 Folded 40a 1st waterproof packing 40a 2nd waterproof packing 50 Outer wall material insertion space

Claims (4)

At the U-shaped parting edge that covers the upper end of the outer wall material of the building and abuts on the back surface of the outer wall material and the surface of the eaves material of the building.
The parting edge is
A top plate covering the upper end of the outer wall material and
A front plate hanging from the front end of the top plate and
The rear surface plate hanging from the rear end portion of the top plate and the rear surface plate
Consists of
The back plate is longer than the front plate
A first waterproof packing is provided on the outside of the top plate, and a first waterproof packing is provided.
A parting edge characterized in that a second waterproof packing is provided inside the rear surface plate. The parting edge according to claim 1, wherein the second waterproof packing is provided at a position separated from the upper surface plate by a predetermined dimension. The parting edge according to claim 1 or 2, wherein the second waterproof packing is provided at the height of the lower end of the front plate. A U-shaped parting edge that covers the upper end of the outer wall material of the building and abuts on the back surface of the outer wall material and the front surface of the eaves material of the building.
The parting edge is
A top plate covering the upper end of the outer wall material and
A front plate hanging from the front end of the top plate and
The rear surface plate hanging from the rear end portion of the top plate and the rear surface plate
Consists of
The back plate is longer than the front plate
A first waterproof packing is provided on the outside of the top plate, and a first waterproof packing is provided.
In the construction method of the parting edge in which the second waterproof packing is provided at the lower end height of the front plate inside the rear surface plate.
The outside of the rear surface plate is pressed against the ventilation furring edge of the building, the first waterproof packing is pressed against the eaves ceiling material to be compressed, and the rear surface plate is placed below the lower end height of the front surface plate. It is fixed to the ventilation furring strip by hitting a fastening nail,
The upper end of the outer wall material is inserted into the outer wall material insertion space formed by the upper surface plate, the front plate, and the rear face plate.
A parting edge characterized in that the second waterproof packing is compressed by the outer wall material and fixed to the ventilation furring strip by striking the outer wall material fastening nail below the lower end height of the front plate. Construction method.

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