JP2000192563A - Joint water stop structure for outer wall - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the penetration of water by providing a flat surface part along a horizontal joint on the outer wall face bar of an upper outer wall panel, providing a decorative flashing closely fitted to the flat surface part to cover the horizontal joint, and interposing a gasket within the horizontal joint. SOLUTION: Flat surface parts 5a, 5b are provided on the outdoor surface of the outer wall face bar 5 of upper and lower outer wall panels 2, 3 along a horizontal joint 8 between the outer wall panels 2, 3. The foaming water stop material 15 of a decorative flashing 10 is closely fitted to the flat surface part 5a to cover the horizontal joint 8 with the decorative flashing 10. An eddy plate 11 is put and mounted on the upper end surface of the outer wall panel 3, and its floating part 11a is brought into contact with the lower surface of the frame 4 of the outer wall panel 2 in the stage where it is put on a spacer 16. Further, a horizontal joint gasket 12 is closely fitted to the horizontal joint forming surfaces of the outer wall panels 2, 3 with its locking piece 12b being engagingly locked to the locking projection part 11c of the eddy plate 11, the tip of its water stop piece 12c being in contact with the lower surface of the outer wall panel 2, and its fin part 12d being in contact with the reverse side of the decorative flashing 10. According to this, water penetration can be prevented.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a joint water stopping structure between outer wall panels of a building such as a house by a dry joint method.

[0002]

2. Description of the Related Art An example of a conventional dry joint structure on an outer wall panel of a house will be described with reference to FIGS. First, the outer wall panel 51 on the first floor is attached. The draining iron plate 53 and the horizontal joint gasket 54 are attached. Then, the outer wall panel 52 on the second floor is attached. After the installation of the second-floor outer wall panel 52 is completed, the vertical joint gasket 55 is inserted from the front. Thereafter, a lotion drain 56 that covers the horizontal joint between the upper and lower outer wall panels 51 and 52 is attached. The lotion drain 56 is made of a waterproofing material 57 provided on the upper part of the back surface, and the second floor outer wall panel 51
In close contact with the outdoor surface of the outer wall material 51a. 56
The lower part of the inclined piece 5 projecting to the outdoor side of the draining iron plate 53
Cover 3a.

[0003]

Since the surface of the outer wall material 51a of the outer wall panel 51 is generally not a flat surface from the design surface, the waterproofing material 57 of the lotion drain 56 does not adhere to the outer wall member 51a. Water easily penetrates. In addition, due to wind or the like, rainwater may enter through a gap between the lower edge of the lotion drain 56 and the outer wall surface, and this rainwater may enter a horizontal joint portion through a gap between the draining iron plate 53 and the inner surface of the lotion drain 56. The water that has entered the horizontal joints may further penetrate to the back surfaces of the outer wall panels 51 and 52. Further, since the outer wall surfaces 51a and 52a have chamfered edges, a gap 58 is formed between the vertical joint gasket 55 and the skin drainer 56 as shown in a portion A of FIG. Rainwater easily enters the ground.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a joint water stopping structure for an outer wall which can prevent water such as rainwater from entering a horizontal joint from below a contact surface between a skin drainer and an outer wall material. It is. Another object of the present invention is to prevent rainwater or the like from entering the horizontal joint portion from between the vertical joint gasket and the lotion drain.

[0005]

A joint water stopping structure for an outer wall according to the present invention is a joint water stopping structure for an outer wall for stopping a horizontal joint formed between vertically arranged outer wall panels. A flat surface portion is provided on the outdoor surface of the wall material along the horizontal joint, and a skin drainer is provided in close contact with the flat surface to cover the horizontal joint. This lotion drainer has a water-stopping material on the back surface of the upper part, and the water-stopping material comes into close contact with the flat surface portion. A horizontal joint gasket that is in close contact with the horizontal joint forming surfaces of the upper and lower outer wall panels is interposed in the horizontal joint. The side joint gasket has a fin projecting obliquely downward to the outdoor side, and the tip of the fin is in close contact with the inner surface of the skin drainer. According to this configuration, since the surface of the outer wall material is a flat surface, the skin drainer adheres to the outer wall material, and it is difficult for water to enter the horizontal joint. Therefore, it is possible to freely select a material having irregularities on the surface of the outer wall material from the viewpoint of design and the like. The seam joint gasket prevents water or the like from entering from the seam joint to the back side of the outer wall panel. Also, since the fins provided on the side joint gasket and extending diagonally downward contact the back surface of the skin drainer, even if water is blown by the wind or the like from the gap between the lower edge of the skin drainer and the outer wall material, it will try to enter. , Is prevented from entering at the contact portion of the fin. In this manner, one side joint gasket can be used for both sealing in the side joint and for preventing water from entering from the lower part of the lotion drain.

In the present invention, a vertical joint gasket is interposed in a vertical joint formed between outer wall panels arranged on the left and right sides, and the skin drainer extends to the left and right outer wall panels intersecting with the vertical joint and the stop. The water material may have a vertical joint gasket contact portion that adheres to the surface of the vertical joint gasket. As described above, when the vertical joint gasket adhered portion is provided in the waterproof material of the lotion drain, it is difficult for water to enter the horizontal joint from between the vertical joint gasket and the lotion drain.

[0007] In the present invention, the cross joint gasket has a drain hole opened in and out of the cross joint sealing portion,
The fin may have a drain hole.
By providing the drain holes in this way, water that has entered the inside of the horizontal joint gasket and water that has fallen from the vertical joint gasket can be drained. In addition, the drainage hole in the horizontal seam sealing portion also functions as a vent hole, so that water is prevented from entering the inside of the horizontal seam gasket due to a pressure difference between the inside and outside of the horizontal seam gasket.

[0008] In the present invention, a drain board may be provided in the horizontal joint, which is attached to the upper surface of the lower outer wall panel and whose rear portion is close to the panel frame of the upper outer wall panel. In this way, by combining the draining plate and the horizontal joint gasket having the above configuration, it is possible to more reliably prevent water from entering the inside of the outer wall panel.

Further, in the present invention, a locking projection extending in a horizontal joint direction is provided on an upper surface of the draining board, and the horizontal joint gasket is placed on an outdoor portion of the draining board with respect to the locking projection. A gasket body formed in an overlapping plate shape,
A locking piece provided on the indoor side edge of the gasket main body and locked by the locking projection, and a gasket main body is provided diagonally upward from a middle portion in the width direction to the outdoor side and has a tip at an upper outer wall panel. And a fin extending obliquely downward from the gasket body. In this manner, by attaching the locking projections to the draining plate and locking the horizontal joint gasket, the work of mounting the horizontal joint gasket is simplified, and the workability of the outer wall is improved.
Further, by making the side joint gasket have the gasket main body, the locking piece, the water blocking piece, and the fin portion, the infiltration of water along the lower surface of the upper outer wall panel in the side joint with the water stopping piece is prevented. As a result, water can be prevented from entering from below by the fins, and water entering from both the upper and lower directions of the horizontal joint can be stopped with a single gasket, and the mounting is simplified. Further, if the horizontal joint closing portion of the horizontal joint gasket is a water-blocking piece as described above, that is, if it is a fin-shaped portion, it is easy to form a drainage hole in this portion. When the drainage hole is provided in this manner, the water that has fallen on the horizontal joint gasket along the vertical joint gasket is prevented from entering the indoor side by the locking piece, and the drainage hole of the waterstop piece is prevented. From the outside to the outside, and the intrusion into the inside of the outer wall panel can be more reliably prevented.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described with reference to FIGS. The outer wall 1 is an outer wall of a building such as a house, and is configured by arranging a plurality of outer wall panels 2 and 3 arranged vertically on the left and right sides. The upper and lower outer wall panels 2 and 3
For example, it becomes a 2nd floor outer wall panel and a 1st floor outer wall panel, respectively. Each of the outer wall panels 2 and 3 has an outer wall material 5 stretched on a frame 4 around the panel. In this example, the frame 4 is made of metal such as a square steel pipe or other lightweight steel, and the outer wall material 5 is
And a wooden base material 6 such as plywood. The base material 6 is a bar-shaped member and is provided along the outdoor surface of the frame 4. The inner space surrounded by the frame 4 is filled with a heat insulating material (not shown), and the outdoor surface thereof is covered with a moisture-permeable waterproof sheet 7 stretched over the frame 4. The space between the waterproof sheet 7 and the outer wall material 5 is a ventilation layer. The outer wall surface member 5 is made of ceramics or the like, and has, on its surface, for example, as shown in FIG.

In this joint waterproofing structure for an outer wall, a drainer 10 for covering a horizontal joint 8 formed between upper and lower outer wall panels 2 and 3 is provided, and a drainer plate 11 and a horizontal joint gasket 12 are provided in the horizontal joint 8. It is interposed. A vertical joint gasket 13 on the primary side (outdoor side) and a secondary joint gasket 14 on the secondary side are interposed between the vertical joints 9 (FIG. 4) generated between the left and right rows of the outer wall panels 2 and 3.

The skin drainer 10 is made of a bent product of a metal plate or an extruded product of a synthetic resin or a metal material, and is formed into a substantially trapezoidal groove-shaped cross-sectional shape, and has a contact piece 10a that is bent inward from the upper edge. Have. On this contact piece 10a,
A waterproof material 15 made of a foam or the like is bonded with an adhesive or the like. In the outdoor surface of the outer wall material 5 in the upper and lower outer wall panels 2 and 3, a portion along the horizontal joint 8 is a flat surface portion 5b having a vertical width substantially corresponding to the skin drainer 10. The flat surface portion 5b is flattened by a router process or the like, and is further depressed than the concave portion of the decorative uneven portion 5a of the outer wall surface member 5. The lotion drainer 10 includes the upper outer wall panel 2
And the above-mentioned flat surface portion 5b is in close contact with a waterproof material 15. The fixing of the water-stopping material 10 to the outer wall material 5 is performed by using the water-stopping material 15
May be performed on the surface with an adhesive, or may be performed with a fixing tool (not shown) such as screws.

The draining plate 11 is mounted on the upper end surface of the lower outer wall panel 3 and is mounted on the lower surface of the frame 4 of the upper outer wall panel 2 by rising from the upper end surface of the lower outer wall panel 3. It is a floating portion 11a that is in contact with
From the rear end, a rising piece 11b that is in contact with the back surface of the frame 4 of the upper outer wall panel 2 is formed. The raised portion 11 a is placed on the spacer 16. At a middle portion of the draining plate 11 in the front-rear direction, a locking projection 11c formed of a folded piece is provided along the joint direction.
The locking projection 11c is located at the front and rear positions corresponding to the vicinity of the frame contact portion of the base material 6.

The cross joint gasket 12 includes a gasket main body 12a formed in a plate shape that overlaps an outdoor portion with respect to the locking projection 11c of the draining plate 11, and a gasket main body 1a.
A locking piece 12b provided on the indoor side edge of 2a and locked by the locking protrusion 11c, and a gasket main body 11c is provided diagonally upward from the middle in the width direction to the outdoor side, and the tip is an upper outer wall panel. 2 and a fin portion 12d extending obliquely downward from the gasket main body 12c and protruding outward. The cross joint gasket 12 is integrally formed of an elastic body such as a synthetic resin.
The tip of the fin portion 12d of the side joint gasket 12 contacts the back surface of the lotion drainer 10 in a pressed state. Water blocking piece 12c
Is a side seam sealing portion, and the front end portion is bent in an inverted U-shape and comes into contact with the lower end surface of the outer wall material 5 in a pressed state. The cross joint gasket 12 has a drain hole 1 near the base end of the water blocking piece 12 and the tip of the fin 12d.
9, 20 are formed. These drain holes 19, 20
Are provided at a plurality of locations in the longitudinal direction of the horizontal joint gasket 12.

As shown in FIG. 3, the vertical joint gasket 13 on the primary side is made of an elastic body in which a metal core is embedded, and has fins 13b at a plurality of locations in the depth direction of the joint on both sides of the central piece 13a. It has been. When the vertical joint gasket 13 is embedded in the vertical joint 9, the front surface of the vertical joint gasket 13 is slightly recessed from the chamfered portion 5 c of the outer wall material 5. Secondary side vertical joint gasket 14
Is made of an elastic body in which a metal core is embedded, and is attached to the frame 4 of one of the outer wall panels 2 and 3 arranged side by side to seal between the opposing frames 4 and 4.

As shown in FIG. 3, at the portion of the skin lotion 10 that intersects with the vertical joint 9, a vertical joint that fits into the vertical joint 13 into the waterproof material 15 and adheres to the surface of the vertical joint gasket 14. The gasket contact portion 15a is provided as a partial convex portion. The vertical joint gasket contact portion 15a may be formed integrally with the water-stopping material 15 or may be a separate member attached to the water-stopping material 15.

As shown in FIG. 5, the side joint gasket 12
The connection of c is performed by the adhesive tape 21 stuck on the upper surface of the horizontal joint gasket 12. The adhesive tape 21 is attached to substantially the entire upper surface of the horizontal joint gasket 12 separately on both sides of the water blocking piece 12c. As the adhesive tape 21, for example, a butyl tape or the like is used.

According to the joint water stopping structure of the outer wall having this configuration,
Since the portion along the seam joint 8 of the outer wall material 5 is formed on the flat surface portion 5b by router processing or the like, the waterproof material 15 made of foam of the skin drainer 10 and the outer wall material 5 are in close contact with each other. Etc. are difficult to penetrate. In order to form the flat surface portion 5b in this manner, the outer wall surface material 5 may be, for example, a material having the uneven portion 5a as shown in FIG.
As shown in FIG. 3, the space between the vertical joint gasket 13 and the lotion drainer 10 is also sealed with the waterproof material 15 attached to the lotion drainer 10, so that water does not enter the horizontal joint part 8. The side joint gasket 12 is attached to the lower outer wall panel 3, but the water stopping piece 12 c is in close contact with the lower end surface of the outer wall material 5 of the upper outer wall panel 2, and stops the water of the side joint 8. The side joint gasket 12 has a fin portion 12a, and the fin portion 12a extends obliquely downward and comes into close contact with the back surface of the lotion drainer 10. Water can be prevented from entering. The gasket 12 has a plurality of drain holes 19, 2 at appropriate intervals.
Since 0 is provided, water that has entered the inside of the horizontal joint gasket 12 and water that has fallen from the primary vertical joint gasket 13 can be drained. Water that has fallen from the vertical joint gasket 13 is blocked by the locking pieces 12b of the horizontal joint gasket 12 and does not flow to the depth side of the horizontal joint 8 but is drained as described above. In this way, one side joint gasket 12 can prevent water from entering both above and below the side joint 8. In addition, the water blocking piece 12 of the side joint gasket 12
The drain hole 19 provided in b also serves as a ventilation hole, and the joint water blocking structure is a ventilation method. Therefore, it is possible to prevent the water from easily entering due to a pressure difference between the inside and outside of the horizontal joint gasket 12.

In the above embodiment, the gasket 12 is provided with the fin-shaped water blocking pieces 12c.
As shown in the figure, the side joint sealing portion 12d of the side joint gasket 12 in contact with the upper outer wall panel 2 may have a hollow shape.

[0020]

According to the joint water stopping structure for an outer wall of the present invention, the surface of the outer wall material along the side joint is flat, so that the skin drainer adheres to the outer wall member and water is applied to the side joint. Is difficult to penetrate. Therefore, it is possible to freely select a material having irregularities on the surface of the outer wall material from the viewpoint of design and the like. Further, since the fin portion of the side joint gasket is in contact with the back surface of the lotion drainage, it is possible to prevent intrusion of rainwater or the like from below the lotion drainage. In addition, the water stop in the horizontal joint and the prevention of intrusion of water from the lower part of the lotion can be shared by one horizontal joint gasket. The skin drainer,
In the case where the gasket has a vertical joint gasket contact portion that is in close contact with the surface of the vertical joint gasket, it is difficult for water to enter the horizontal joint portion even between the vertical joint gasket and the skin drainer.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing a joint water stopping structure of an outer wall according to an embodiment of the present invention.

FIG. 2 is a partially omitted perspective view of the water stopping structure.

FIG. 3 is a horizontal sectional view showing an intersection of a vertical joint gasket and a lotion drain of the water stopping structure.

FIG. 4 is a horizontal sectional view showing a vertical joint portion of the water stopping structure.

FIG. 5 is a cross-sectional view of a side joint gasket.

FIG. 6 is a partial perspective view of an outer wall material.

FIG. 7 is a cross-sectional view of a modified example of a side joint gasket.

FIG. 8 is a perspective view of a conventional water blocking structure.

FIG. 9 is a horizontal sectional view thereof.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Outer wall 11 ... Drain board 2 ... Upper outer wall panel 12 ... Side joint gasket 3 ... Lower outer wall panel 12a ... Fin 4 ... Panel frame 12b ... Locking piece 5 ... Outer wall material 12c ... Water stopping part 6 ... Base material 13 ... vertical joint gasket 8 ... horizontal joint 15 ... waterproof material 9 ... vertical joint 15 a ... vertical joint gasket adhesion part 10 ... lotion drain 19, 20 ... drain hole

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Harumasa Tahara 4-1-1 Naganecho, Obu City, Aichi Prefecture F-term (reference) in Tokai Kogyo Co., Ltd. 2E001 DA01 FA04 FA52 FA53 GA11 HF01 MA04 2E110 AA13 AB04 AB22 DD11 GB26W

Claims (5)

[Claims] 1. A joint water stopping structure for an outer wall for stopping a seam formed between outer wall panels arranged vertically, and a flat surface portion along an outer surface of an outer wall material of an upper outer wall panel along the seam. Is provided with a skin drainer in close contact with the flat surface part to cover the horizontal joint, and the skin drainer has a water-stopping material on the upper back surface and is in close contact with the flat surface part with the water-stopping material, In the seam joint, a seam joint gasket that is in close contact with the seam joint forming surfaces of the upper and lower outer wall panels is provided, and the seam joint gasket has a fin portion that projects obliquely downward to the outdoor side, and the tip of the fin portion is A joint water stop structure on the outer wall that is in close contact with the inner surface of the lotion drainer. 2. A vertical joint gasket is interposed in a vertical joint formed between left and right outer wall panels, and the skin drainer extends to the left and right outer wall panels crossing the vertical joint, and 2. The joint water stopping structure for an outer wall according to claim 1, further comprising a vertical joint gasket contact portion that adheres to a surface of the vertical joint gasket. 3. The gasket according to claim 1, wherein the gasket has a drain hole that is opened inside and outside at a portion that seals the horizontal joint, and a water drain hole at the fin. The joint water stopping structure of the outer wall according to any one of the above. 4. The outer wall according to claim 1, further comprising a drain plate attached to an upper surface of the lower outer wall panel and having a rear portion adjacent to a panel frame of the upper outer wall panel, in the horizontal joint. Joint water stop structure. 5. A locking projection extending in a horizontal joint direction is provided on an upper surface of the draining board, and the horizontal joint gasket is formed in a plate shape that overlaps an outdoor portion of the draining board with respect to the locking projection. A formed gasket main body, and a locking piece provided on the indoor side edge of the gasket main body and locked by the locking projection;
The gasket main body has a water blocking piece provided diagonally upward from the middle portion in the width direction to the outdoor side and a tip of which is in contact with the lower surface of the upper outer wall panel, and the fin extending diagonally downward from the gasket main body. The joint water stopping structure for an outer wall according to claim 4.