JPH08246568A - Method of stopping water at external wall panel - Google Patents

Abstract

PURPOSE: To dispense with an outside scaffold, and remove the dispersion of quality by condition on work execution, and besides, shorten a term of works, when stopping water at the joint made at the outer wall of a structure. CONSTITUTION: A lock part 1a consisting of a recess and a projection 1d is made all over the length at the end in width direction of a panel 1, and a water stop material 5 is bonded to the end in longitudinal direction of the recess, and also a lateral seal material 6 is arranged and bonded between the water stop materials 5. A guide member 2 is installed in the position corresponding to the length of the panel 1, and a longitudinal seal material 8 having a plurality of seal parts 8a and 8b is bonded to the flange 2a of a member 2. Panels 1 are built in the guide member 2, being piled up sideway, and the joint part made between adjacent panels 1 is shielded with a lateral seal member 6. The surface 1b is brought into contact with the seal parts 8a and 8b by pressing the panel 1 to the side of the flange 2a, and the panel 1 is fixed by an attaching fastener attached to the flange 2b.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of stopping water between outer wall panels in an outer wall composed of a plurality of outer wall panels.

[0002]

2. Description of the Related Art The outer wall of a building is constructed by an outer wall panel such as an ALC panel or an extruded cement panel. In such an outer wall, joints in the vertical and horizontal directions are formed between the outer wall panels, and these joints are stopped by filling them with an elastic rubber sealant such as acrylic rubber, polyurethane, or modified silicone from the outdoor side. It's watering.

The construction of the elastic rubber sealant is carried out after the building of the outer wall panel is completed and the worker rides on the outer scaffolding constructed along the outer wall. This construction is entrusted to specialists from the viewpoint of ensuring quality, but there are cases in which construction defects occur or problems such as extension of the process occur due to the effects of rainfall and low temperatures.

[0004]

The elastic rubber sealant described above has the advantage that it can be easily installed even if the joint width varies slightly or the joint shape becomes complicated, but it also has the following problems. is there. In other words, external scaffolding becomes essential, which affects cost and construction period. The quality is likely to vary depending on the skill of the operator. There is a limit to the usable time after the container of the elastic rubber sealant is opened or stirred. The validity period after manufacturing is short. It is easily affected by construction conditions such as temperature and moisture. A curing period is required until the elastic rubber sealant filled in the joint is cured, which affects other processes. The components of the elastic rubber sealant filled in the joint may exude and contaminate the finishing material. If the elastic rubber sealant is exposed, the surface may be contaminated or discolored.

It is an object of the present invention to provide a method of stopping water on an outer wall panel that does not require an external scaffold, eliminates variations in quality due to construction conditions, and shortens the construction period.

[0006]

In order to solve the above-mentioned problems, a water stopping method for an outer wall panel according to the present invention is provided with an engaging portion that engages with another outer wall panel adjacent to the end in the width direction over the entire length. An outer wall panel provided, wherein a water blocking material is arranged at both ends in a longitudinal direction of the engaging portion, and a lateral sealing material formed in advance is arranged between the water blocking materials at both ends. A guide member in which a preformed vertical seal material having a plurality of seal portions is installed in a vertical direction with a space corresponding to the length dimension of the outer wall panel and having a plurality of seal portions on a surface facing the surface of the outer wall panel. A plurality of outer wall panels are horizontally stacked by fitting both ends in the longitudinal direction to the guide member, and a horizontal seal member is brought into contact with another adjacent outer wall panel to seal, and the surface of the outer wall panel and the water blocking member are vertically arranged. To seal by contacting the sealing material It is an feature.

In the above-described water blocking method for the outer wall panel, each of the vertical sealing members having the plurality of sealing portions is a tubular sealing portion, and air is previously sucked from the internal space of the sealing portion. It is preferable that the outer wall panels are horizontally stacked on the guide member in a deformed state, and after the outer wall panels are completely stacked, the shape of the sealing portion is restored to bring the outer wall panels into contact with each other for sealing.

[0008]

In the water stopping method of the outer wall panel (hereinafter referred to as "panel"), for example, a step-like engaging portion that engages with another panel adjacent to the widthwise end portion along the entire length in the longitudinal direction of the panel is provided. A water blocking material having a shape substantially equal to the cross-sectional shape of the engaging portion is provided at both ends of the engaging portion in the longitudinal direction, and a preformed lateral sealing material is placed between the water blocking materials. A guide member for fitting and guiding the longitudinal end portion of the panel at intervals corresponding to the longitudinal dimension of the panel, and having a plurality of seal portions on the surface of the guide member facing the panel surface in advance. Since the molded vertical sealing material is arranged, when the longitudinal ends of the guide member are fitted to each other and a plurality of panels are arranged side by side, the horizontally stacked panels are engaged with each other formed at the ends in the width direction. It is built while engaging through the parts.

Therefore, the lateral sealing material arranged in the engaging portion is pressed by the upper panel and elastically deformed to seal the lateral joint. Further, both ends of the panel in the longitudinal direction are fitted to the guide member, and the surface thereof faces the vertical seal member arranged on the guide member. Therefore, the vertical joint can be sealed by pressing the panel and the vertical sealing material into contact with each other.

When the panel and the vertical seal material are brought into pressure contact with each other, the built-in panel can be pressed against the vertical seal material side to bring the surface of the panel into pressure contact with the vertical seal material. In addition, a plurality of sealing parts formed on the vertical sealing material are formed into a tubular shape, and the internal space of the sealing part is sucked and deformed before the panel is built up. The vertical sealing material can be pressed against the panel by restoring to the shape.

[0011]

EXAMPLES A method of stopping water on the outer wall panel will be described below with reference to the drawings. FIG. 1 is a schematic front view illustrating the configuration of an outer wall, FIG. 2 is a schematic diagram illustrating a configuration for implementing a water blocking method according to the present invention, and FIG. 3 is a diagram illustrating a sealing state of a horizontal joint by a horizontal sealing material, FIG. 4 is a diagram for explaining a sealing state of a vertical joint by a vertical sealing material, FIG. 5 is a diagram for explaining a sealing state at an end portion in the longitudinal direction of the outer wall panel, and FIG. 6 is another diagram for sealing the vertical joint. It is a figure explaining an example.

First, the construction of the outer wall to which the water stopping method according to the present invention can be suitably applied will be described with reference to FIG. In the figure, the panel 1 has preset length and width dimensions, and a plurality of vertically installed ends are arranged at intervals corresponding to the lengthwise dimension of the panel 1. Are fitted in the guide member 2 and are arranged in the lateral direction to be stacked to form an outer wall. Therefore, the adjacent panel 1
A horizontal joint 3 is formed between the two, and a vertical joint 4 is formed between the panel 1 and the guide member 2.

As the panel 1, a panel such as an ALC panel or an extrusion-molded cement panel is used. Further, the guide member 2 fits the end portion of the panel 1 to guide the building of the panel 1, and the piece facing the outdoor surface of the panel 1 and the piece fixing the panel 1 built in a predetermined position. It is constituted by a member having. As such a member, it is possible to use, for example, a steel material in which a groove-shaped steel, an H-shaped steel, or an angle-shaped steel is combined to form a groove. In this embodiment, lightweight channel steel is used as the guide member 2.

Next, a water stopping method for sealing the horizontal joints 3 and the vertical joints 4 will be specifically described with reference to FIGS.

An engaging portion 1a is formed at the end of the panel 1 in the width direction over the entire length in the longitudinal direction. As shown in FIGS. 2 and 3, the engaging portion 1a is a recessed portion 1 formed in a step shape at one end along the outdoor surface 1b of the panel 1.
c and a convex portion 1d formed at the other end and having a shape corresponding to the concave portion 1c. Therefore, when a plurality of panels 1 are placed side by side with the surface 1b on the outdoor side and the recesses 1c are located above, the protrusions 1d of the upper panel 1 engage with the recesses 1c of the lower panel 1. The lateral joint 3 is formed below the end surface 1e of the panel 1.

A water blocking material 5 is arranged at an end portion in the longitudinal direction of an engaging portion 1a formed on the panel 1, and a horizontal sealing material 6 is arranged between the water blocking materials 5 to form a water blocking material. 5 and horizontal sealing material 6
The contact part with is welded. The water blocking material 5 and the lateral sealing material 6 are adhered to the recess 1c formed in the panel 1 by the double-sided adhesive tape 7 or the like before the panel 1 is built.

The water blocking material 5 and the lateral sealing material 6 are ethylene / propylene / diene methylene bond, chloroprene rubber,
It is made of an elastic material such as silicone rubber or urethane rubber.

The water blocking material 5 is formed by elastically deforming the members 5 and 6 when the panels 1 are horizontally stacked with the water blocking material 5 and the lateral sealing material 6 interposed therebetween. It is formed in a shape capable of shielding the cross section of the engaging portion 1a including 1b. The lateral sealing material 6 is formed in a shape capable of shielding the outdoor side of the engaging portion 1a formed over the entire length of the panel 1. Therefore, the horizontal seal member 6 is formed in a rod shape and is solid, and a plurality of fins 6a are formed on the upper surface.

The guide member 2 is a flange 2 on the outdoor side which is arranged with a distance sufficiently larger than the thickness of the panel 1.
a and the flange 2b on the indoor side, and these flanges 2
It has a web 2c for connecting a and 2b and is made of lightweight channel steel having high rigidity. The guide member 2 is installed in the height direction of the building at a position corresponding to the dimension of the panel 1 in the longitudinal direction and is fixed to a building frame (not shown). Therefore, when stacking panels 1 horizontally,
The longitudinal end of the panel 1 can be fitted and guided between the flanges 2a and 2b of the guide member 2, and the panel 1 and the flange 2 of the guide member 2 which are horizontally stacked can be fitted.
The vertical joint 4 is formed between a.

On the inner surface of the flange 2a on the outdoor side of the guide member 2, a vertical seal member 8 is arranged over the entire length of the guide member 2, and the vertical seal member 8 is a double-sided adhesive tape 7.
And the like are bonded to the flange 2a. The vertical sealing material 8 is adhered to the flange 2a of the guide member 2 prior to building the panel 1.

The vertical seal member 8 is made of ethylene / propylene /
It is composed of a material having elasticity such as a diene methylene bond, chloroprene rubber, silicon rubber, urethane rubber. In the present embodiment, the vertical seal member 8 has tubular seal portions 8a and 8b having two different shapes, and these seal portions 8a and 8b are arranged apart from each other to form the connecting piece 8c. It is integrally molded through. However, the vertical seal material 8 does not necessarily have to be formed by integrally molding the two seal portions 8a and 8b, and in short, the two seal portions 8a and 8b may be arranged in parallel.

The seal portions 8a and 8b have a function of preventing the permeation of water by coming into contact with the surface 1b of the horizontally stacked panels 1 and the surface of the water blocking material 5 on the outdoor side, and are particularly limited in shape. Not a thing. In the present embodiment, the seal portion 8a has a plurality of fins 8 on the upper surface (contact surface with the surface 1b of the panel 1).
The seal portion 8b is formed into a shape having a d, and the upper surface of the seal portion 8b is formed into a smooth contact surface.

Next, the panel 1 in which the water blocking material 5 and the horizontal sealing material 6 are bonded to the engaging portion 1a is provided with the vertical sealing material 8 on the flange 2a.
The procedure for guiding and assembling with the adhered guide member 2 will be described with reference to FIGS. 4 and 5.

The longitudinal direction of the panel 1 is horizontal, and the concave portion 1c formed in the panel 1 is arranged so as to be located above, and both ends in the longitudinal direction are flanges 2a of the guide member 2.
Fit between 2b and build in order. At this time,
As shown in (a), the panel 1 is built as close to the flange 2b side as possible so that the surface 1b of the panel 1 does not come into contact with the vertical sealing material 8 adhered to the flange 2a of the guide member 2. It is necessary to be crowded. For example, when the surface 1b comes into contact with the vertical sealing material 8 during the installation of the panel 1,
The surfaces of the seal portions 8a and 8b may be damaged by the friction generated between them.

When building the panel 1, the method of building the panel 1 is not particularly limited. In this embodiment, the flange 2a on the lower end side of the guide member 2 is provided with a notch corresponding to the width dimension of the panel 1, and the panel 1 is drawn between the flanges 2a and 2b from this notch and lifted upward. The panel 1 is built by the overlapping method.

A predetermined number of panels 1 are built between the guide members 2, and one or a predetermined number of panels 1 are supported by a self-weight receiving member (not shown) fixed to the building frame. At this time, the water blocking material 5 and the horizontal sealing material 6 are interposed between the panel 1 located below and the panel 1 located above.
Part or all of the weight of the panel 1 located above acts on the water blocking member 5 and the lateral sealing member 6. Then, the water blocking material 5 and the lateral sealing material 6 are elastically deformed in accordance with the applied load, shield the lateral joint 3 over the entire length, and seal the outdoor side and the indoor side. Further, when the panels 1 are horizontally stacked, by arranging the recesses 1c above, even if water permeates through the lateral sealing material 6, the water permeates the indoor side beyond the end surface 1e of the panel 1. Never.

After the building of the panel 1 is completed, FIG.
As shown in (b), the built-in panel 1 is pushed out to the outdoor side, and the surface 1b is pressed against the vertical sealing material 8 adhered to the flange 2a of the guide member 2.

Thereafter, as shown in FIG. 3C, the mounting fastener 9 is mounted on the flange 2b of the guide member 2 and is fixed to the panel 1 by the bolt 10a and the nut 10b. By connecting and fixing the panel 1 and the flange 2b of the guide member 2 via the mounting fasteners 9, the positions of all the panels 1 between the flanges 2a and 2b are uniquely set. The surface 1b uniformly contacts the vertical sealing material 8.

As described above, the seal portions 8a and 8b of the vertical seal member 8 with which the surface 1b of the panel 1 is in contact are elastically deformed uniformly to maintain the contact pressure, and the vertical joint 4 is shielded over the entire length. Seal the outside and the inside. Further, as shown in FIG. 5, the water blocking material 5 provided on the engaging portion 1a of the panel 1 also comes into uniform contact with the respective sealing portions 8a and 8b of the vertical sealing material 8,
The entire cross section of the engaging portion 1a at the end is shielded to seal the outdoor side and the indoor side.

When the vertical sealing material 8 comes into contact with the surface 1b of the panel 1 and the water blocking material 5, the fin 8d penetrates between the sealing portion 8a and the surface of the panel 1 and the water blocking material 5 along the guide member 2. The minute gap is formed, and a relatively large gap penetrating along the guide member 2 is also formed between the seal portion 8a and the seal portion 8b.

Each of the above-mentioned voids exerts an effect similar to that of a labyrinth, and even when water having a strong force is sprayed on the vertical joints 4, this force is reduced to permeate the seal portion 8b to the indoor side. Can be prevented. The water that has penetrated into the voids flows down along the voids and flows out from the lower end of the guide member 2 to the outdoor side.

Next, an embodiment in which the panel 1 is built in a state in which the respective seal portions 8a and 8b of the vertical seal material 8 adhered to the flange 2a of the guide member 2 are deformed in advance will be described with reference to FIG.

The respective seal portions 8a and 8b of the vertical seal member 8 are
After being adhered to the flange 2a, or before being adhered, it is sucked by a vacuum pump, and the openings at both ends are sealed in a deformed state, as shown in FIG. There is. The vertical sealing material 8 is held in the above state, and the panel 1 is installed. After the installation is completed, the panels 1 and the flanges 2b are connected and fixed by the mounting fasteners 9 as shown in FIG. To do.

After fixing all the built-in panels 1, the sealing state of each sealing portion 8a, 8b is released and the shape is restored by the elasticity of each, and the surface 1 of the panel 1 is restored.
By contacting b, it is possible to shield the vertical joint 4 and seal the outdoor side and the indoor side. However, even if the sealed state of each seal portion 8a, 8b is released, the seal portion 8a, 8b
When the shape of b does not recover promptly, it is preferable to introduce pressurized air from a compressor, a blower or the like into each seal portion 8a, 8b.

As described above, each sealing portion 8 of the vertical sealing material 8
By mounting the panel 1 in a state in which a and 8b are deformed in advance, it is not necessary to spend much nerve to pull the panel 1 toward the flange 2b side of the guide member 2, and the mounting work can be performed quickly. It becomes possible to do. Further, by introducing pressurized air into the internal space when the seal portions 8a, 8b recover their shapes, the contact pressures of the seal portions 8a, 8b with respect to the surface 1b of the panel 1 and the water blocking material 5 are made uniform. Is possible.

[0036]

As described above in detail, the water blocking method for an outer wall panel according to the present invention has a horizontal joint formed between adjacent panels and a vertical joint formed between a guide member. This is a so-called dry seal that arranges a horizontal sealing material and a vertical sealing material that are formed in a predetermined shape in advance to seal the outdoor side and the indoor side, and it is possible to complete the waterproofing work at the same time as installing and fixing the panel.

Therefore, an external scaffold is not required, and the cost and construction period required for the scaffold can be reduced. Further, variations due to individuality of the worker are less likely to occur, and are less likely to be affected by construction conditions such as weather. Further, since each sealing material is a long molded product, it is easy to handle and can be used without being affected by the length of the panel or the height of the guide member.

Further, unlike the conventional case, a curing period for curing is not required, the construction period can be shortened, and the cost as a whole can be reduced. Further, by using a pre-coated panel as the outer wall panel, a dry construction method for the outer wall can be realized, and the like.

[Brief description of drawings]

FIG. 1 is a schematic front view illustrating a configuration of an outer wall.

FIG. 2 is a schematic diagram illustrating a configuration for carrying out the water stopping method according to the present invention.

FIG. 3 is a diagram illustrating a sealing state of a horizontal joint with a horizontal sealing material.

FIG. 4 is a diagram illustrating a sealing state of vertical joints by a vertical sealing material.

FIG. 5 is a diagram illustrating a sealed state at an end portion in the longitudinal direction of the outer wall panel.

FIG. 6 is a diagram illustrating another example of sealing vertical joints.

[Explanation of symbols]

 1 panel 1a engaging part 1b surface 1c concave part 1d convex part 1e end face 2 guide member 2a, 2b flange 2c web 3 horizontal joint 4 vertical joint 5 water blocking material 6 horizontal sealing material 6a fin 7 double-sided adhesive tape 8 vertical sealing material 8a, 8b Seal part 8c Connecting piece 8d Fin 9 Mounting fastener 10a Bolt 10b Nut

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification number Office reference number FI technical display location E04B 2/56 611 E04B 2/56 622B 622 622L 644B 644 644C 8913-2E E04F 13/08 W E04F 13 / 08 8913-2E 101Y 101 E04B 1/68 F J (72) Inventor Hozumi Maeda 1 Chiyogaoka, Chikusa-ku, Nagoya-shi, Aichi Prefecture Chiyogaoka housing complex 105 Building No. 701 (72) Inventor Kagayama Kochino-cho, Konan City, Aichi Prefecture Makimori 189-1 Court Makimori Room 402 (72) Inventor Hiroyoshi Fukuda 8-1 Atago7, Inuyama, Inuyama, Aichi Prefecture Room No. 402

Claims (2)

[Claims] 1. An outer wall panel having an end portion in the width direction provided with an engaging portion for engaging another outer wall panel adjacent to the entire length, wherein the engaging portion is provided with a water blocking material at both ends in the longitudinal direction. The outer wall panel, which is arranged and has a preformed horizontal sealing material between the water blocking materials at both ends, and the surface of the outer wall panel which is installed vertically with a space corresponding to the length dimension of the outer wall panel. And a guide member in which a preformed vertical seal material having a plurality of seal portions is arranged on the surface facing the plurality of outer wall panels by fitting both ends in the longitudinal direction of the guide member. A method of waterproofing an outer wall panel, which comprises contacting and sealing another lateral wall panel with another adjacent outer wall panel and sealing the surface of the outer wall panel and the water blocking material with a vertical sealing material. 2. A vertical sealing material having a plurality of sealing portions, each of which is a tubular sealing portion, and an outer wall formed on the guide member in a state where air is sucked and deformed in advance from the internal space of the sealing portion. The water blocking of the outer wall panel according to claim 1, wherein the panels are horizontally stacked, and after the outer wall panels are completely stacked, the shape of the seal portion is restored to contact the surface of the outer wall panel for sealing. Method.