JP2005240287A - Moisture-proof floor structure and its construction method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a moisture-proof floor structure and its construction method for imparting moisture proofness to the whole floor with easy construction work. <P>SOLUTION: In this moisture-proof floor structure, backing plates 11 are mounted on joists 10, and a waterproof sheet 12 is formed on the backing plates 11, or a waterproof layer is formed of an adhesive 16, and moisture-proof plates 3 are disposed on the waterproof layer. Infiltration of moisture into the backing plate 11 side is prevented by the water retaining property of the moisture-proof plates 3, and its construction is extremely easy since the moisture-proof plates 3 need only to be mounted on the backing plates 11 through the waterproof sheet 12 or the waterproof layer of the adhesive 16. The whole floor surface can be made into the moisture-proof structure. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a floor structure of a place where moisture resistance is required for the floor, such as a dressing room adjacent to a bathroom, a toilet, a toilet, or the like, and a construction method thereof.

  As a conventional technique for imparting moisture resistance to a floor, there is a technique as shown in Patent Document 1. The technique of this patent document 1 is a thing in the case of providing moisture resistance to the floor near the entrance / exit with the bathroom of the dressing room adjacent to a bathroom. As shown in FIG. 3 of the same document 1, in this technique, a lauan plywood is attached on a wooden base plate such as a joist in the vicinity of the entrance to the bathroom of the dressing room, and a shock absorbing material is used on the lauan plywood. Urethane foam is attached, and a waterproof plate made of flat reinforced plastic is disposed on the urethane foam. Then, caulking is applied to the boundary portion between the waterproof board and the normal floor.

As another conventional technique for imparting moisture resistance to the floor, there is a technique as shown in Patent Document 2. This technique of Patent Document 2 also provides moisture resistance to the floor near the entrance to the bathroom in the dressing room adjacent to the bathroom. In the technique of Patent Document 2, as shown in FIG. 1 and FIG. 2 of the Document 2, a waterproof floor pan is provided on the floor of the dressing room, and water droplets or the like dripping from the user's body in the dressing room It is received by bread and discharged to the washroom side of the bathroom by a natural flow method.
Japanese Utility Model Publication No. 6-16589 Utility Model Registration No. 2510926

  However, in the technique of Patent Document 1, the humidity is transmitted to the wood base plate side such as lauan wood and joists from the seam portion of the waterproof board with the normal flooring or the gap formed at the boundary between the waterproof board and the wall surface. There is a drawback in that the strength of the base plate is reduced or it is spoiled.

  On the other hand, in the technique of Patent Document 2, a waterproof floor pan is indispensable, and there is a drawback that causes an increase in cost. In addition, the waterproof floor pan is carried in, positioned, requires height adjustment, etc., and is a work under a narrow floor area.After adjusting the height, install this, and if there is any error, remove it again. It was necessary to repeatedly adjust the height, install and watch the situation, and there was a drawback that the entire construction work became complicated.

  The present invention is an improvement and removal in view of the above-mentioned conventional problems, and can provide moisture resistance to the entire floor, and provide a moisture resistant floor structure and its construction method that can be easily constructed. To do.

  Thus, the means of claim 1 adopted by the present invention to solve the above-mentioned problems is arranged on the base plate attached on the joist, the waterproof layer covering the base plate, and the waterproof layer. It is a moisture resistant floor structure comprising a moisture resistant plate material.

  The means of claim 2 adopted by the present invention in order to solve the above-mentioned problem is that the moisture-resistant plate material is composed of a cement board reinforced by embedding reinforcing glass fiber mesh sheets on both surface sides of the cementitious flat core material. The moisture-resistant floor structure according to claim 1.

  The means of claim 3 adopted by the present invention in order to solve the above-mentioned problem includes a connecting tool that penetrates the waterproof layer from the moisture-resistant plate material and enters the base plate and is fastened. The moisture-resistant floor structure according to claim 1 or 2, wherein the moisture-resistant floor structure is in close contact and prevents moisture from penetrating to the base plate side below the waterproof layer.

  The means of Claim 4 which this invention employ | adopted in order to solve the said subject is a moisture-resistant floor structure as described in any one of Claims 1-3 in which the waterproof layer is formed with the waterproof sheet.

  The means of claim 5 adopted by the present invention to solve the above-mentioned problems is that the waterproof layer is a waterproof adhesive layer applied to the entire surface between the base plate and the moisture-resistant plate material. It is a moisture-resistant floor structure as described in any one.

  The means of Claim 6 which this invention employ | adopted in order to solve the said subject is as described in any one of Claims 1-5 which stuck the architectural design material with the organic adhesive on the moisture-resistant board | plate material. Moisture resistant floor structure.

  The means of claim 7 adopted by the present invention to solve the above-mentioned problems is that a base plate is attached to the joists, a waterproof adhesive is applied to the entire upper surface of the base plate to form a waterproof layer, and the waterproof layer is formed. A method for constructing a moisture-resistant floor structure, characterized in that a moisture-resistant plate material is pressure-bonded onto a layer and the waterproof adhesive of the waterproof layer is cured to integrate the whole.

  The means of claim 8 adopted by the present invention to solve the above-mentioned problems is that the pressure-bonding is carried out by a connector that has penetrated from the moisture-resistant plate material to the base plate before the waterproof adhesive is cured. 7 is a construction method of the moisture-resistant floor structure according to 7.

  In the invention of claim 1, it is a moisture-resistant plate material that prevents moisture from entering the base plate side, and its construction is simply performed by attaching the plate material on the base plate via a waterproof layer such as a waterproof sheet. Well, very simple. Further, it is possible to make the entire floor surface a moisture resistant structure.

  In the invention of claim 2, the moisture-resistant plate material is composed of a cement board in which a cementitious flat core material is reinforced with a mesh sheet of reinforced glass fiber, and is resistant to bending and hard to break, and has a protective function of the base plate Is excellent. Cement board is made of the same material as mortar and finishing mortar as an adhesive for attaching tiles, and is also well known and has excellent adhesive properties.

  In the invention of claim 3, the waterproof layer is an adhesive having self-adhesive properties such as butyl rubber. As a result, when attaching a moisture-resistant plate material to a base plate by driving in a connector such as a screw or a nail, the adhesive of the waterproof layer is in close contact with the screw or nail and prevents moisture from penetrating into the base plate. it can.

  In the invention of claim 4, the waterproof layer is formed of a waterproof sheet. As the waterproof sheet, there are asphalt roofing, rubber through-through, and the like, and when a connecting tool such as a screw or a nail is driven in, the roofing material adheres to the connecting tool in the same manner as in the invention of claim 3, and moisture is applied to the base plate It does not penetrate. Moreover, since it is a sheet material, its workability is very good.

  In the invention of claim 5, the waterproof adhesive is provided on the entire surface between the base plate and the moisture-resistant plate material. Therefore, the base plate and the moisture-resistant plate material are integrated over the entire surface, and the strength can be dramatically improved. As a result, the thickness of the base plate can be reduced. Further, the adhesive layer automatically adjusts the unevenness between the base plate and the moisture-resistant plate material, and can solve problems such as floor noise.

  In invention of Claim 6, since the architectural design material is stuck on the moisture-resistant board | plate material with the organic adhesive agent and the said organic adhesive agent functions as a waterproof layer, a double waterproof function is demonstrated. This can further improve the moisture resistance of the floor.

  The invention of claim 7 is a construction method for realizing the moisture-resistant floor structure of claim 5, which is an operation of simply applying a plate-like material or applying a waterproof adhesive, and can be performed very easily. .

According to an eighth aspect of the present invention, in the moisture-resistant floor structure of the seventh aspect, before the waterproof adhesive is cured, the moisture-resistant plate material is pressure-bonded by a connector that has penetrated from the moisture-resistant plate material to the base plate.
Therefore, the connector and the waterproof adhesive are in close contact with each other, and moisture does not penetrate through the connector to the base plate side.

  The configuration of the present invention will be described below based on the embodiment of the invention shown in the drawings. 1 and 2 relate to the first embodiment of the present invention, and FIG. 1 (A) shows the washing room of the bathroom S and the part of the entrance to the bathroom S of the dressing room adjacent thereto. FIG. 2B is a plan view showing the waterproof floor pan P of the bathroom S and the waterproof sheet 8 at the entrance to the bathroom S in the adjacent room. FIG. 2A is an enlarged vertical cross-sectional view of the entrance / exit portion to the bathroom S in the dressing room, and FIG. 2B is an exploded vertical cross-sectional view of FIG.

As shown in the figure, in this embodiment, a waterproof floor pan P is installed on the building floor F of the bathroom S, and foamed polystyrene foam, propylene foam or the like for impact buffering and heat insulation functions. A plate 1 is placed. And the moisture-resistant board | plate material 3 is arrange | positioned on this foaming board 1. FIG. The moisture-resistant plate 3 is composed of a cement board reinforced by embedding reinforcing glass fiber mesh sheets on both surface sides of a cementitious flat core material. A tile 5 is stuck on the moisture-resistant plate material 3 via an adhesive 4 such as mortar. A side wall 2 is erected around the bathroom S in the vicinity of the wall W of the building frame. Between these building frame walls W and the side walls 2, a waterproof sheet 6 for discharging condensed water or the like on the back side of the side walls 2 to the inside of the waterproof floor pan P is disposed.
In addition, in the figure (A) of FIG. 1, the code | symbols 7A and 7B are the drain-port parent-child traps on the bathtub installation surface side and the washroom side.

  In the dressing room adjacent to the bathroom S, a waterproof sheet 8 formed in a pan shape as a waterproof layer is disposed at the entrance to the bathroom S. The edge of the waterproof sheet 8 on the side of the bathroom S is extended to the inside of the waterproof floor pan P as shown in FIGS. 1 (A) and 1 (B). On the waterproof sheet 8, a foamed plate 9 such as foamed polystyrene or foamed urethane is provided for the purpose of shock buffering and heat insulation. On the other hand, in the area other than the entrance to the bathroom S in the dressing room, as shown in FIGS. 2 (A) and 2 (B), a wood base plate 11 such as a veneer plywood is disposed on the joists 10. A waterproof sheet 12 as a waterproof layer is disposed on the wooden base plate 11. An end edge of the waterproof sheet 12 facing the pan-like waterproof sheet 8 disposed on the bathroom entrance / exit side enters and overlaps the inside of the waterproof sheet 8 formed in a pan shape. In the case where the waterproof sheet 8 is made of a flexible material, a wooden base plate 11 may be provided under the waterproof sheet 8. Further, the wood base plate 11 may not be wood, and may be a base plate made of resin plate, stainless steel, aluminum alloy or the like.

Further, the upper surface height of the wooden base plate 11 provided with the waterproof sheet 12, the foam plate 9, and the foam plate 1 on the washing place side is set to be flush with each other (the drainage gradient on the washing place side is present). Yes. Furthermore, the moisture-resistant board | plate material 3 which continues from the bathroom washing-room side is arrange | positioned at the upper surface side of the foam board 9 and the wooden base board 11. FIG. The moisture-resistant plate material 3 may be fixed to the joist 10 with a connecting tool 13 such as a wood screw. And the tile 5 is stuck on the moisture-resistant board | plate material 3 of this dressing room via the adhesive agents 4, such as mortar.
A door rail 14 having the same height as that of the tile 5 is disposed between the bathroom S and the dressing room. When the door 15 is opened, the tile floor surface having the same height continues from the dressing room to the washing room side. As a result, care is taken so that elderly people and infants will not trip when entering or leaving.

  In short, in this embodiment, the waterproof sheets 8 and 12 as the waterproof layer are disposed on the wooden base plate of the room adjacent to the bathroom S, and further, directly or via the foamed plate 9. A moisture-resistant plate material 3 is disposed, and a tile 5 as a surface material is stuck on the moisture-resistant plate material 3. With such a moisture-resistant floor structure, a bather who has moved from the washing area of the bathroom S to the dressing room wipes off water droplets adhering to the body near the entrance to the bathroom S in the dressing room. The water drops that have fallen down are prevented from penetrating downward by the tile 5 and its joint members.

  Even if a water droplet intrudes downward from the joint cut portion due to a joint cut or the like, the water is retained by the moisture-resistant plate material 3 and disappears by natural drying or the like. Therefore, water drops cannot enter below from this, but in this embodiment, the waterproof sheet 8 prevents the entry to the lower wooden base plate side just in case. Yes. In addition, even if there are a large amount of water droplets on the waterproof sheet 8, the water droplets are discharged to the waterproof floor pan P side on the bathroom washing station side, which may cause corrosion of the wooden base plate. Absent.

  Moreover, even if a water drop falls on the tile floor surface in a region other than the upper side of the waterproof sheet 8 in the dressing room, the downward penetration is blocked by the tile 5 and the joint member. Even if a water droplet intrudes downward from the joint part due to joint breakage or the like, it is retained by the moisture-resistant plate material 3 and disappears by natural drying or the like. Even if there are a large amount of water droplets passing through the moisture-resistant plate material 3, it is captured by the waterproof sheet 12 and discharged through the waterproof sheet 8 onto the waterproof floor pan P on the bathroom washing place side, causing corrosion of the wooden base plate. Never become. That is, the entire floor surface of the dressing room can have a moisture resistant floor structure. Also, the installation can be performed simply by attaching the moisture-proof plate 3 after disposing a waterproof sheet, and is extremely simple as compared with the case where a conventional waterproof floor pan is provided in the dressing room.

  FIG. 3 relates to the second embodiment of the present invention and is an enlarged exploded longitudinal sectional view showing the vicinity of the entrance to the bathroom S in the dressing room. As shown in the figure, in this embodiment, as in the case of the first embodiment, a waterproof sheet 8 as a waterproof layer formed in a pan shape is arranged on the wooden base plate in the vicinity of the entrance / exit. The foamed material 9 such as foamed polystyrene or foamed propylene is disposed on the waterproof sheet 8. On the other hand, in the area of the dressing room other than the vicinity of the entrance / exit where the waterproof sheet 8 is provided, a wooden base plate 11 such as a veneer plywood is disposed on the joist 10 and on the upper surface side of the wooden base plate 11. A waterproof adhesive 16 as a waterproof layer is applied to a thickness necessary for forming the waterproof layer.

  Then, the moisture-resistant plate material 3 is prepared in a state where the adhesive 16 is not cured, and the moisture-resistant plate material 3 and the wooden base plate 11 are integrally connected by screwing the plate to the joist 10 with a connecting tool 13 such as a wood screw. And fixed. At this time, in the adhesive layer, the adhesive comes into close contact with the connector 13 and the adhesive 16 is cured thereafter. The moisture-resistant plate 3 is composed of a cement board reinforced by embedding reinforcing glass fiber mesh sheets on both surface sides of the cementitious flat core material as described above. The tile 5 is stuck through an adhesive 4 such as mortar.

  Therefore, also in the case of the second embodiment, the water drops falling on the tile floor surface are prevented from entering downward by the tile 5 and the joint member, but the water drops are downward from the joint cut portion or the like. Even if it penetrates, the penetration | invasion below is prevented by the water retention of the moisture-resistant board | plate material 3 of the downward direction. Further, a waterproof layer made of the adhesive 13 is formed below the moisture-resistant plate material 3, and water drops or the like never enter below the waterproof layer. Other configurations and operational effects are the same as those of the first embodiment.

  Further, the third embodiment will be examined. In the said 1st and 2nd embodiment, although the case where the tile 5 was stuck on the moisture-resistant board | plate material 3 via adhesives 4, such as mortar, was demonstrated on the moisture-resistant board | plate material 3. It is also possible to stick the tile 5 and other architectural design materials through an organic adhesive. Organic adhesives include epoxy adhesives, modified silicone adhesives, etc. In addition to ceramic tiles 5, architectural design materials include stone materials, resin cosmetics, wood cosmetics, glass, cement makeup A decorative material made of wood, lime or gypsum is applicable. These are appropriately selected according to the specifications of the construction site. Thus, by sticking the architectural design material on the moisture-resistant plate material 3 via the organic adhesive, the layer of the organic adhesive functions as a waterproof layer, and moisture from the architectural design material to the moisture-resistant plate material 3 Movement is suppressed.

  By the way, this invention is not limited to embodiment mentioned above, A suitable change is possible. For example, the entire surface of the floor of the dressing room may be provided with a waterproof sheet 12 or a waterproof adhesive 16 on the wooden base plate 11, and the moisture-resistant plate material 3 may be attached thereon to form a moisture-resistant floor structure. Further, the wood base plate 11 may not be wood, and may be a base plate made of resin plate, stainless steel, aluminum alloy or the like.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1A is a longitudinal sectional view showing a bathroom washroom and a doorway of a dressing room adjacent to the bathroom, and FIG. It is a top view which shows the waterproof sheet | seat of the entrance-and-exit part of the waterproof floor pan and the bathroom of an adjacent room. FIG. 1A relates to the first embodiment of the present invention, FIG. 1A is an enlarged vertical cross-sectional view of an entrance / exit portion to a bathroom of a dressing room, and FIG. FIG. FIG. 5 is an enlarged exploded longitudinal sectional view of an entrance / exit portion to a bathroom of a dressing room according to the second embodiment of the present invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Foam board of washroom side, 2 ... Side wall of bathroom, 3 ... Moisture-resistant board material, 4 ... Adhesives, such as mortar, 5 ... Tile, 6 ... Waterproof sheet, 7A, 7B ... Drain outlet parent-child trap, 8 ... Undressing Water-proof sheet on the room side, 9 ... Foam board on the dressing room side, 10 ... joist, 11 ... wooden base plate, 12 ... waterproof sheet, 13 ... coupling tool, 16 ... water-resistant adhesive

Claims (8)

A moisture-resistant floor structure comprising a base plate attached on a joist, a waterproof layer covering the base plate, and a moisture-resistant plate material disposed on the waterproof layer. 2. The moisture-resistant floor structure according to claim 1, wherein the moisture-resistant plate material is composed of a cement board reinforced by embedding reinforcing glass fiber mesh sheets on both surface sides of a cementitious flat core material. It is equipped with a connector that penetrates the waterproof layer from the moisture-resistant plate material and enters the base plate and is fastened. The connector and the waterproof layer are in close contact with each other so that moisture does not penetrate into the base plate side below the waterproof layer. The moisture-resistant floor structure according to claim 1 or 2. The moisture-resistant floor structure according to any one of claims 1 to 3, wherein the waterproof layer is formed of a waterproof sheet. The moisture-resistant floor structure according to any one of claims 1 to 3, wherein the waterproof layer is a waterproof adhesive layer applied to the entire surface between the base plate and the moisture-resistant plate material. The moisture-resistant floor structure according to any one of claims 1 to 5, wherein an architectural design material is adhered to the moisture-resistant plate material with an organic adhesive. A base plate is attached to the joist, and a waterproof adhesive is applied to the entire upper surface of the base plate to form a waterproof layer. A moisture-resistant plate is pressure-bonded on the waterproof layer and the waterproof adhesive of the waterproof layer is cured. A method for constructing a moisture-resistant floor structure, characterized in that the whole is integrated. The method for constructing a moisture-resistant floor structure according to claim 7, wherein before the waterproof adhesive is cured, the pressure-bonding is performed by a connector that has penetrated from the moisture-resistant plate material into the base plate.

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