JP2002250119A - Exterior wall structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an exterior wall structure, which can be constructed as the one closely waterproofed and good in appearance. SOLUTION: The area between an upstairs exterior wall material 2 and a downstairs exterior wall material 3 is waterproofed with a moisture permeable waterproof sheet 4, and a decorative panel 8 is arranged to cover the area from the upstairs exterior wall material 2 to the downstairs exterior wall material 3 from the outdoor side without a horizontal joint, so that the area between the stairs is hidden.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to an outer wall structure.

[0002]

2. Description of the Related Art For example, in a building such as a two-story house, when the outer wall panels are installed on the first floor and the second floor, side joints are formed on the outer walls, and the side joints are adjacent to each other in the lateral direction. Since it intersects with the vertical joint between the panels, there has been a problem that it is very difficult to finish the entire joint including the intersection with the dry appearance in a good appearance and in the water stopping state.

[0003] In view of the above problems, an object of the present invention is to provide an outer wall structure capable of finishing a firm water-blocking state with good appearance.

[0004]

SUMMARY OF THE INVENTION The object of the present invention is to provide an outer wall structure in which upper and lower outer wall materials are disposed, water is stopped between the upper and lower outer wall materials, and the decorative panel is attached to the upper and lower outer wall materials from the outdoor side. The problem is solved by an outer wall structure which is installed so as to pass without a seam joint and which is hidden between upper and lower outer wall materials.

[0005] In this outer wall structure, the decorative panel is installed so as to pass from the outdoor side to the upper and lower outer wall members without horizontal joints, and the space between the upper and lower outer wall members is hidden. Can be finished well. And, no matter how the water is stopped between the upper and lower outer wall materials, that part is hidden by the decorative panel, so it is not affected by the appearance of the water stop structure itself, it is firm It can be finished in a still water state.

In particular, in an outer wall structure in which outer wall materials are disposed above and below the floor, water is stopped between the outer wall materials below the upper floor,
In the case of an exterior wall structure where the decorative panel is installed from the outdoor side to the exterior wall material on the upper floor and below the floor without any seams, and in the case of an exterior wall structure where the floor is hidden, the floor between the exterior walls is securely stopped. It can be finished in the appearance of water in good appearance.

[0007]

Next, embodiments of the present invention will be described with reference to the drawings.

In the outer wall structure of the first embodiment shown in FIGS. 1 to 4, reference numeral 2 denotes a first floor outer wall panel, reference numeral 3 denotes a second floor outer wall panel, and reference numeral 1 denotes a body difference. 4 is a moisture-permeable waterproof sheet for stopping water, and 8 is a decorative board.

The body gap 1 is made of an indoor open channel steel provided with upper and lower flanges 1a and 1b and a web 1c connecting the flanges 1a and 1b.

The outer wall panels 2 and 3 are respectively provided with outer wall materials 2
a, 3a, base materials 2b, 3b provided on the back surface of the outer wall materials 2a, 3a, and panel frames 2c, 3c provided further on the back side of the base materials 2b, 3b. The base materials 2b and 3b are made of a foam material such as expanded polystyrene. The panel frames 2c and 3c are made of steel or the like. For example, a frame formed by turning a channel steel inward and forming a square ring is used.

The first-floor outer wall panel 2 has a frame 2c.
Are arranged so that the lower end surface thereof is along the lower surface of the lower flange 1b of the body gap 1, and the body gap 1 is fastened by a fastening member such as a bolt.
And the base material 2 of the outer wall panel 2 on the first floor.
The upper end of the base material 2b is provided so as to protrude above the upper ends of the outer wall material 2a and the panel frame 2c, and the upper end of the base material 2b has a predetermined height along the outdoor surface of the web 1c of the waist difference 1. Dimensions are arranged so that they stand up.

The second-floor outer wall panel 3 has its frame 3c disposed so that its lower end surface is along the upper surface of the upper flange 1a of the stud 1 and is fastened by a fastening member such as a bolt.
The lower end of the base material 3b of the second-floor outer wall panel 3 is provided so as to protrude below the lower ends of the outer wall material 3a and the panel frame 3c, and the lower end of the base material 3b is The web 1c is arranged so as to be lowered by a predetermined height along the outdoor surface.

At the upper end of the first-floor outer wall panel 2, an L-shaped drain board 5 is attached along the step between the outer wall member 2a and the base member 2b. A drooping edge portion 5a is provided on the outdoor side surface of the outer wall surface member 2a so as to slightly hang down.

The moisture-permeable waterproof sheet 4 is made of a rollable and / or foldable sheet material, for example, Tyvek (trade name) manufactured by DuPont. This moisture-permeable waterproof sheet 4 is attached with the upper surface of the upper flange 1a of the body difference 1 as an attachment margin on the upper edge side, and the second-floor outer wall panel 3 is attached.
The outer side of the web 1c of the body difference 1 is hung down along the back side of the base material 3b, and the lower edge side is attached to the outdoor side surface of the vertical side of the drainer 5 and / or the upper surface of the horizontal side. Have been.

Reference numeral 6 denotes a floor heat insulating material, which is made of a foamed material such as expanded polystyrene, and is interposed between the moisture-permeable waterproof sheet 4 and the web 1c of the body difference 1.

Reference numeral 7 denotes a decorative body drainer formed of an extruded calcical plate or the like, which is provided outside the moisture-permeable waterproof sheet 4 at the difference between the floors.

A decorative plate 8 is attached to the outside of the dressing cylinder drainer 7. The decorative panel 8 is installed so as to pass from the outdoor side to the first-floor outer wall panel 2 and the second-floor outer wall panel 3 without side joints. The horizontal joints between the outer wall material 3a of the second-floor outer wall panel 3 and the decorative cylinder drainer 7 are hidden by the decorative panel 8. In addition, the vertical joint is dry stopped with a gasket or the like.

In the above outer wall structure, the moisture permeable waterproof sheet 4
Is passed over and attached to the upper surface of the waist 1 and the draining plate 5 at the upper end of the first-floor outer wall panel 2, so that a portion from the upper end of the waist 1 to the upper end of the first-floor outer wall panel 2, that is, the floor The gap between the waist and the body is firmly stopped by the moisture permeable waterproof sheet 4. In the present embodiment, the base material 3b of the second-floor outer wall panel 3 projects below the lower end surface of the frame 3c of the panel 3 and projects below the upper end surface of the waist gap 1, so that it is moisture-permeable and waterproof. Intrusion of water from between the sheet 4 and the second-floor outer wall panel 3 is reliably prevented.

In addition, the water is stopped by the moisture permeable waterproof sheet 4 and the floor difference between the floors provided with the decorative body drainer 5 on the outdoor side is covered with the decorative plate 8 so that the horizontal joint is not visible from the outside. Therefore, a neat appearance can be obtained.

In the outer wall structure according to the second embodiment shown in FIGS. 5 to 7, a water drainage iron plate 15 is used in place of the moisture-permeable waterproof sheet to stop the water between the floors. And
A decorative body drainer 8 made of an extruded calcical plate or the like is provided outside the drainer iron plate 15 at the difference between the floors. The decorative body drainer 8 also serves as a decorative board in the present invention, and is installed so as to pass from the outdoor side to the first-floor outer wall panel 2 and the second-floor outer wall panel 3 without side joints. The upper edge of the outer wall material 2a of the first floor outer wall panel 2 is overlapped with the outer edge from the outside, and the upper edge thereof is overlapped with the lower edge of the outer wall material 3a of the second floor outer wall panel 3 from the outside. ing. In addition, the vertical joint is dry stopped with a gasket or the like.

Also in this outer wall structure, between the outer wall panels 2 and 3 on the first and second floors, a firm water-stop state can be obtained by the iron plate 15 which is a drainage metal fitting. Is covered with a decorative body drainer 8 as a decorative board, and a neat appearance with no side joints can be obtained.

Although the embodiment of the present invention has been described above, the present invention is not limited to this, and various modifications can be made without departing from the spirit of the invention. For example, in the above-described embodiment, the waterproof structure between the upper and lower floor outer wall panels 2 and 3 uses the moisture permeable waterproof sheet 4 and the drainage hardware 15 is used. The water structure itself is not limited to these, and water stopping means having various structures may be used. In addition, the present invention is not limited to the application to the floor area, but can be widely used for processing between upper and lower outer wall materials. Further, it is needless to say that the side joints may be present in the portion hidden by the decorative board as in the first embodiment, or may not be present as in the second embodiment. Nor. Also, the presence or absence of vertical joints is not important.

[0023]

The present invention is as described above, so that it is possible to finish the outer wall firmly in a water-blocking state with good external appearance.

[Brief description of the drawings]

FIG. 1 is a sectional perspective view showing a first embodiment of an outer wall structure.

FIG. 2 is a sectional view of the same.

FIG. 3 is an exploded sectional perspective view of the same.

FIG. 4 is a cross-sectional perspective view showing, on an enlarged scale, an installation portion of a moisture-permeable waterproof sheet.

FIG. 5 is a sectional perspective view showing a second embodiment of the outer wall structure.

FIG. 6 is a sectional view of the same.

FIG. 7 is an exploded sectional perspective view of the same.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Body difference 2 ... 1st floor outer wall panel (downstairs outer wall material) 3 ... 2nd floor outer wall panel (upper floor outer wall material) 4 ... moisture permeable waterproof sheet 8 ... decorative board 15 ... draining iron plate

Claims (2)

[Claims] 1. An outer wall structure having upper and lower outer wall materials, wherein water is stopped between the upper and lower outer wall materials, and a decorative board is installed so as to pass from the outdoor side to the upper and lower outer wall materials without side joints. And an upper and lower outer wall material being hidden. 2. An outer wall structure in which outer wall materials are disposed vertically above and below a floor, wherein water is stopped between outer wall materials below the upper floor, and a decorative panel is provided on the outer wall material below the upper floor from the outdoor side. An exterior wall structure that is set up so that it passes without ground and that the floors are hidden.