JP3876800B2 - Sealing method for still water - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a sealing method for water stop. More specifically, the present invention relates to a sealing method for water stop which is applied to joints formed around water such as bathroom units and kitchen units.
[0002]
[Prior art]
Conventionally, a method using a silicone-based sealant is known as a method for sealing for waterproofing and waterproofing. (For example, see Patent Document 1 and Patent Document 2)
[0003]
[Patent Document 1]
JP-A-8-93085 (page 1-2, FIG. 1)
[Patent Document 2]
Japanese Patent Laid-Open No. 11-256735 (2nd page, FIG. 1)
[0004]
The silicone-based sealant is usually marketed in a cartridge, and when used, a necessary amount is extruded from an outlet nozzle to fill a joint gap, and sealing is performed to stop water. However, as a pretreatment, it is necessary to cure with a masking tape except for the joint portion, and after sealing, the tape must be removed, resulting in poor workability. In addition, it is difficult to fill a gap between joints with a necessary amount, and there is a problem that skill is required to finish the surface with a uniform filling amount and a smooth surface. Further, there is a problem that the sealing material remaining in the cartridge without being used is lost and must be treated as industrial waste together with the cartridge.
[0005]
[Problems to be solved by the invention]
Therefore, the present invention solves the above-mentioned problems, does not require curing, makes it possible to make the filling amount of the sealing material into the joint joints, excellent in finishing feeling, and suppresses the generation of industrial waste. It is an object of the present invention to provide a sealing method for water stop that can be used.
[0006]
[Means for Solving the Problems]
The present invention has been devised to solve the above-described problems, and has the following technical means. That is, according to the present invention, it is a construction method for stopping the joint formed around the water, and is formed into a string shape so as to be able to fill the joint void, and is bonded to the joint material and cured at room temperature, after curing, using a waterproof sealing material having rubber elasticity, for waterproofing, characterized in Rukoto cured by moisture was left at room temperature moisture curable waterproof sealant filled in string-like A sealing method is provided. By doing so, the string-like sealing material is filled in the joint gap and cured only by keeping at room temperature, so that the filling amount can be made constant and the sealing with excellent finish feeling can be performed. it can. Furthermore, since only a necessary amount of string-like sealing material has to be used, a cartridge becomes unnecessary, and the generation of industrial waste can be suppressed.
[0007]
As the water sealing material, it is preferable to use a reactive adhesive silicone rubber. By doing so, it adheres firmly to the material constituting the joint and cures at room temperature, and exhibits rubber elasticity after curing, so even if displacement occurs between the joints due to material shrinkage, etc. Therefore, joint breakage can be prevented.
[0008]
The joint gap may be preliminarily provided with a backup material to stop the water, and the gap secured with the backup material may be further filled with the sealing water sealing material. In this way, for example, when a wall panel is erected on the floor pan of the bathroom, a backup material is interposed between the peripheral edge of the floor pan and the lower end surface of the wall panel. Stops the water and supports the wall panel. Filling the space between the joints in this way with a sealing material for water stop allows the water to be stopped twice, resulting in a more effective waterproofing effect. Can do.
[0009]
It is preferable to use butyl rubber as the backup material. Since butyl rubber is excellent in strength, it firmly supports the wall panel 4 and has excellent water resistance, so that it can exhibit a water-stopping effect for a long period of time.
[0010]
The joint formed around the water is a joint in the bathroom unit. By doing in this way, the joint between the wall panel and the wall panel in the bathroom unit or the joint between the lower end surface of the wall panel and the peripheral edge of the floor pan is suitably sealed, and excellent. The water stop effect can be improved.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to examples.
[0012]
[Example 1]
The moisture-curing sealing method of the present invention was applied to the joint 71 between the wall panel 2 and the wall panel 2 used for the side wall of the bathroom unit. That is, as shown in the plane cross-sectional view of FIG. 1A, a predetermined number of wall panels 2 made of a surface material 21 (inorganic decorative board, thickness 5 mm) and a base material 22 are erected on the bathroom floor pan 5, The wall panel 2 was connected to both end portions of the back surface by joint fittings 3 provided also for reinforcement. The joint width w in FIG. 1A is 2 to 3 mm, and the depth d (the thickness of the surface material) is 5 mm.
[0013]
Next, a sealing material 1 (trade name: Polymer Ace, room temperature storage type, manufactured by Shin-Etsu Polymer) in which a moisture-curing reactive adhesive silicone rubber was formed into a string shape (diameter: 5 mm) was filled in the joint voids. After standing at room temperature for several hours, the sealing material 1 hardened by moisture and adhered firmly to the wall panel 2 to exhibit rubber elasticity. The water-stopping property was good, and workability was also good because it was not necessary to perform a curing work with a masking tape. A plan sectional view of the wall panel 2 after sealing is shown in FIG.
[0014]
[Example 2]
A wall panel 4 having a resin decorative plate (thickness T1 = 18 mm) made of polyvinyl chloride, PET, or the like as a surface material 41 and a steel plate as a base material 42, is a peripheral edge 51 of a rising portion of a floor pan 5 of a FRP bathroom unit. Standing on top. At this time, as shown in the side sectional view of FIG. 2 (a), the outer peripheral edge 51 of the floor pan 5 is previously filled with a sealing material for double waterproofing in case of a sealing failure in advance and outside. In order to secure a gap when the tempering was performed, butyl rubber (thickness T2 = 5 mm, width W = 15 mm) was interposed as the backup material 6.
[0015]
Next, sealing water sealing material 1 (trade name: Polymer Ace, manufactured by Shin-Etsu Polymer Co., Ltd.) in which reactive adhesive silicone rubber was formed in a string shape (diameter: 5 mm) was filled in the joint 72 space secured by the backup material 6. After standing at room temperature for several hours, the water sealing material 1 was cured by moisture and adhered firmly to the lower end surface of the wall panel 4 and the rising edge of the floor pan 5 to exhibit rubber elasticity. The water-stopping property was good, and the workability was also good because it was not necessary to perform the curing work with the masking tape. FIG. 2B shows a side sectional view of the wall panel 4 after sealing.
[0016]
FIG. 3 shows according to the present invention the joint 72 between the wall panel 4 and the wall panel 4 of the bathroom unit and the joint 72 between the wall panel 4 and the rising edge 51 of the floor pan 5 according to the present invention. It is a partial perspective view which also shows the state which applied the moisture hardening type sealing method and was filled with the sealing material 1. FIG.
[0017]
【The invention's effect】
As described above, the invention described in claim 1 is a construction method for water-stopping the joints 71 and 72 formed around the water, and is formed in a string shape so that the joint gap can be filled. Adheres to the material and cures at room temperature. After curing, the moisture-curing water-sealing sealing material 1 filled with a string is left at room temperature and moisture is used. a sealing method for waterproofing according to claim Rukoto cured by. In this way, the string-like sealing material is filled in the gaps between the joints 71 and 72 and cured only by keeping at room temperature, so that the filling amount can be made constant and a sealing with an excellent finish feeling can be achieved. Can be done. Furthermore, since only a necessary amount of string-like sealing material has to be used, a cartridge becomes unnecessary, and the generation of industrial waste can be suppressed.
[0018]
In the invention according to claim 2, the sealing material 1 for water stop is a reactive adhesive silicone rubber. By doing in this way, in addition to the effect of the invention according to claim 1, the material constituting the joints 71 and 72 is firmly adhered and cured at room temperature, and after curing, exhibits rubber elasticity. Even if a displacement occurs between the joints due to material shrinkage or the like, the joints are elastically deformed following this, so that joint breakage can be prevented.
[0019]
According to the third aspect of the present invention, the water sealing material 1 is further filled in the gap secured by the backup material 6 while the backup material 6 is interposed in the joint 72 gap in advance. The Thus, for example, when a wall panel is erected on the floor pan 5 of the bathroom, the backup material 6 is interposed between the rising edge 51 of the floor pan 5 and the lower end surface of the wall panel 4. In addition, when the water is stopped by the backup material 6 and the wall panel 4 is supported and the space 72 of the joint 72 thus secured is further filled with the sealing material 1 for water stop, the water can be stopped twice. A more effective waterproofing effect can be obtained.
[0020]
In the invention according to claim 4, butyl rubber is used as the backup material 6. Since butyl rubber is excellent in strength, in addition to the effect of the invention according to claim 3, the wall panel 4 is firmly supported and also has excellent water resistance. It can be demonstrated.
[0021]
In the invention according to claim 5, the joints 71 and 72 around the water are joints formed in the bathroom unit. By doing in this way, in addition to the effect of the invention according to claim 1, the joint 71 between the wall panel or the wall panel in the bathroom unit or the rise of the lower end surface of the wall panel 4 and the floor pan 5 The joint 72 and the like between the peripheral edge 51 can be suitably sealed, and an excellent water stop effect can be obtained.
[Brief description of the drawings]
FIG. 1A is a plan sectional view showing a joint between a wall panel and a wall panel in Embodiment 1. FIG.
(B) is a plane sectional view of the wall panel after sealing the joint shown in FIG. 1 (a).
2A is a side sectional view showing a joint between a wall panel and a peripheral edge of a rising portion of a floor pan in Example 2. FIG.
(B) is a side sectional view of the wall panel after sealing the joint shown in FIG. 2 (a).
FIG. 3 is a partial perspective view showing a state in which the sealing method according to the present invention is applied to a joint in a bathroom unit according to a second embodiment.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Sealing material 2 for water stop concerning this invention Wall panel 21 in Example 1 Surface material 22 which comprises the said wall panel Base material which comprises the said wall panel 3 Joint metal fitting 4 Wall panel 41 in Example 2 The said wall panel Surface material 42 constituting the base material 5 constituting the wall panel 5 Floor pan 51 Rising edge of the floor pan 6 Backup material 71 Joint 72 in Example 1 Joint in Example 2

Claims (5)

It is a construction method for water-stopping joints formed around water, and is formed into a string shape so that it can be filled into joint joint voids, and is bonded to joint material and cured at room temperature. After curing, it has rubber elasticity using the waterproof sealing material, the sealing method for waterproofing according to claim Rukoto cured by moisture was left at room temperature waterproof sealant filled moisture curable in string-like. The sealing method for water stopping according to claim 1, wherein the sealing material for water stopping is a reactive adhesive silicone rubber. The sealing method for water stop according to claim 1, wherein the joint gap is filled with a backup material in advance to stop the water, and the gap secured by the backup material is further filled with the sealing material for water stop. The sealing method for water stop according to claim 3, wherein the backup material is butyl rubber. The water sealing method according to claim 1, wherein the joint formed around the water is a joint in a bathroom unit.

Images