JP7140380B2 - Bathroom floor structure, joint member, and bathroom floor construction method - Google Patents

Description

TECHNICAL FIELD The present invention relates to a bathroom floor structure and construction method, and more particularly to seam processing between adjacent surface sheets in a bathroom floor in which a plurality of surface sheets are arranged and laid on a floor panel.

In general, a unit bath is produced by compression molding or lamination molding of FRP, and the surface is composed of FRP. On the other hand, in some cases, a surface layer sheet is attached in order to add design and cushioning properties. As this type of surface layer sheet, a multi-layer foamed vinyl chloride sheet having a constant width is often used. When the width of the bathroom floor is larger than the width of the sheet, a plurality of sheets are laid side by side. This creates a seam between adjacent sheets.
Welding by a hot-air welder is usually employed for the joint treatment. A vinyl chloride welding rod is attached to a hot air welder and melted into the seam with hot air. Adjacent sheets are thereby joined together. As a post-process, the protruding portion of the weld bead formed at the seam is removed.

JP 2017-218799 A

In the case of seam processing using a hot air welder, even portions other than the seams of the surface layer sheet are likely to be heated by the hot air. As a result, for example, grains on the cosmetic surface disappear or shine occurs, thereby impairing the design. In some cases, the surface layer sheet may be scorched. In addition, welding work requires a certain amount of skill, and if welding is insufficient, water leaks from the seams.
In view of such circumstances, the present invention provides a surface layer sheet that can reliably waterproof and block a bathroom floor on which a plurality of surface layer sheets are laid side by side, without damaging each surface layer sheet and preventing construction defects. The purpose is to provide a seam structure.

In order to solve the above problems, the bathroom floor structure according to the present invention includes:
bathroom floor panels,
a first surface layer sheet and a second surface layer sheet laid adjacent to each other on the floor panel;
a joint member extending along the joint between the first and second surface sheets;
wherein the seam member comprises
a receiving member disposed between the opposing end surfaces of the first and second surface sheets;
a front member disposed above the receiving member;
The receiving member has a bottom plate portion thinner than the first and second surface sheets, and a receiving wall portion projecting upward from a center portion of the bottom plate portion in the width direction. A fitting groove is formed from the end surface toward the inside of the wall, and sealing filling grooves are formed between both side surfaces of the receiving wall portion and the opposing end surfaces of the first and second surface sheets,
The front side member includes a cover portion that straddles the sealing filling grooves on both sides of the receiving wall portion and spans between the upper surfaces of the first and second surface layer sheets, and a cover portion extending downward from the center portion in the width direction of the cover portion. It is characterized in that it has a fitting convex portion that protrudes and is fitted with the fitting groove.

In the bathroom floor structure, after the first and second surface sheets and the receiving member are installed and before the front member is installed, the pair of sealing grooves on both sides of the receiving wall are opened upward. The sealing material can be easily applied to the inside of the sealing filling groove through the opening. In addition, the state of application of the sealing material can be easily confirmed through the opening. Therefore, construction defects can be prevented. Silicone is preferably used as the sealing material.
After coating, the front side member is installed. By covering the receiving member and the sealing material with the front side member, the appearance of the seam between the surface layer sheets can be improved, and the design can be improved. In addition, by covering the ends of the first and second surface sheets with both ends of the front side member, it is possible to prevent the ends of the surface sheets from coming off or peeling off. Furthermore, even if a wheelchair, lift, or other assistive device runs on the floor of the bathroom, it is possible to prevent damage to the edge of the surface layer sheet and the sealant.
Since the fitting groove in which the fitting protrusion of the front side member is fitted is separated from the sealing filling groove, the sealing material in the sealing filling groove is pushed out when the fitting protrusion and the fitting groove are fitted. will not be Therefore, the state of the sealing material can be maintained as it was when applied, and the filling amount can be secured. In addition, it is possible to prevent the sealing material from overflowing onto the surface of the surface layer sheet, thereby saving the trouble of removing stains.
The sealing material in the sealing filling groove between the opposing end face of the first surface layer sheet and the receiving wall portion can seal between the first surface layer sheet and the receiving member, and the sealing material between the first surface layer sheet and the floor panel can be sealed. It can prevent water from entering.
The sealing material in the sealing filling groove between the opposing end surface of the second surface sheet and the receiving wall portion can seal between the second surface layer sheet and the receiving member, and the space between the second surface layer sheet and the floor panel can be sealed. It can prevent water from entering.
As described above, the application failure of the sealing material is less likely to occur, so the gap between the first and second surface sheets and the receiving member can be reliably sealed, and the waterproofness at the seams between the surface sheets can be ensured.
Since hot air is not required for seam processing in the bathroom floor structure, the surface layer sheet is not thermally damaged.

It is preferable that the width of the cover portion is larger than the width of the bottom plate portion.
Thus, both widthwise end portions of the cover portion extend outwardly in the widthwise direction from the bottom plate portion, and can reliably cover the upper surfaces of the end portions of the first and second surface layer sheets. Therefore, it is possible to reliably prevent the edge of each surface layer sheet from peeling off.

It is preferable that the receiving member is placed on the floor panel so as to be sandwiched between the opposing end surfaces of the first and second surface sheets.
As a result, the receiving member and thus the joint member can be stably installed at the joint of the surface layer sheet. In addition, it is not necessary to vertically overlap the end portions of the first and second surface layer sheets and the bottom plate portion, thereby preventing the end portions of the first and second surface layer sheets from rising.

One end surface of the bottom plate portion of the receiving member is abutted against the opposing end surface of the first surface layer sheet, and the other end surface of the bottom plate portion is abutted against the opposing end surface of the second surface layer sheet. preferable. This facilitates positioning of the receiving member and the first and second surface sheets. Furthermore, the receiving member and thus the seam member can be more stably installed at the seam of the surface layer sheet, and the seam member can be prevented from slipping. Therefore, it is possible to reliably prevent tearing and overflowing of the sealing material due to displacement of the receiving member.

It is preferable that the height from the lower surface of the bottom plate portion to the lower surface of the cover portion is substantially equal to the thickness of the surface layer sheet. As a result, both ends of the cover portion can be reliably brought into contact with the upper surfaces of the ends of the first and second surface layer sheets. The term "substantially" means that dimensional differences such as manufacturing tolerances and construction errors are allowed.

It is preferable that the front side member is a two-color molded body containing a hard resin forming the fitting convex portion and a soft resin forming the cover portion.
This makes it possible to impart hardness necessary for fitting to the fitting protrusions. A cushioning property can be imparted to the cover facing the floor surface of the bathroom. The fitting protrusion and the cover can be integrally formed by two-color molding.

A joint member for a surface layer sheet of a bathroom floor according to the present invention is a joint member provided along a joint between a first surface layer sheet and a second surface layer sheet laid adjacent to each other on a floor panel of a bathroom,
a receiving member disposed between the opposing end surfaces of the first and second surface sheets;
a front member disposed on the receiving member;
The receiving member has a bottom plate portion thinner than the first and second surface sheets, and a receiving wall portion projecting upward from a center portion of the bottom plate portion in the width direction. A fitting groove is formed from the end surface toward the inside of the wall, and both side surfaces of the receiving wall portion define sealing filling grooves between the opposite end surfaces of the first and second surface layer sheets, respectively. cage,
The front side member includes a cover portion that straddles the sealing filling grooves on both sides of the receiving wall portion and bridges between the upper surfaces of the first and second surface layer sheets, and protrudes downward from a center portion in the width direction of the cover portion. It is characterized by having a fitting protrusion that is fitted with the fitting groove.

The bathroom floor construction method according to the present invention includes:
Laying a first surface layer sheet on the floor panel having a smaller width than the floor panel of the bathroom,
A receiving member for the joint member is installed along the opposite end surface of the first surface layer sheet,
Laying the second surface sheet on the floor panel opposite to the first surface sheet with the receiving member interposed therebetween, with the opposite end surface of the second surface sheet aligned with the receiving member;
A sealing material is filled into a pair of sealing filling grooves formed between a receiving wall portion protruding upward from a center portion in the width direction of the bottom plate portion of the receiving member and the opposed end surfaces of the first and second surface layer sheets. death,
After that, the front side member of the joint member is put on the receiving member, and the cover portion of the front side member is bridged between the upper surfaces of the first and second surface layer sheets, and the width direction center part of the cover is lowered. It is characterized in that the protruded fitting convex portion is fitted into a fitting groove formed from the upper end surface of the receiving wall portion toward the inside of the wall.

According to the present invention, in a bathroom floor on which a plurality of surface sheets are arranged and laid, the seams of the surface sheets can be reliably waterproofed and sealed without damaging each surface sheet, and construction defects can be prevented. can be prevented.

1 is a plan view of a bathroom floor including a seam member according to one embodiment of the present invention; FIG. FIG. 2 is an exploded perspective view of a portion of the bathroom floor; 3 is a cross-sectional view of the bathroom floor along line III-III of FIG. 1; FIG. FIG. 4 is an exploded perspective view of the joint member. 5(a) to 5(c) are cross-sectional views sequentially showing the construction procedure of the bathroom floor. 6(a) to 6(c) are cross-sectional views sequentially showing the construction procedure following FIG.

An embodiment of the present invention will be described below with reference to the drawings.
The bathroom in this embodiment is a relatively large bathroom used in, for example, nursing care facilities. The entire bathroom is a washing area. When the bathroom is in use, a separate mobile bathtub can be brought in.

As shown in FIG. 1 , a bathroom floor 1 (bathroom floor structure) includes a plurality of floor panels 2 , an outer peripheral frame 3 , a drainage pit 4 and a plurality of surface sheets 10 . The outer frame 3 is provided along the outer periphery of the bathroom floor 1 and receives a bathroom wall panel and a door frame (not shown). A drainage pit 4 is arranged in the center of the bathroom floor 1 in the depth direction (up and down in FIG. 1). The drain pit 4 crosses the bathroom floor 1 in the width direction (right and left in FIG. 1) from one end to the other end. A plurality of (two in the figure) floor panels 2 are arranged in the width direction on both sides of the floor 1a with the drainage pit 4 interposed therebetween. The upper surface (floor surface) of the floor panel 2 is formed with a water flow gradient that slopes downward toward the drainage pit 4 (see FIG. 2).

As shown in FIGS. 2 and 3, the floor panel 2 has a sandwich structure in which, for example, a panel body 2a made of foamed resin is sandwiched from above and below by an upper reinforcing plate 2b and a lower reinforcing plate 2c made of steel. As a result, the manufacturing cost of the floor panel 2 can be reduced, and the required strength can be ensured.
The floor panel 2 is not limited to the sandwich structure, and may be an FRP compression-molded product or a laminate-molded product.

As shown in FIGS. 1 and 2, a plurality of surface sheets 10 (three per one floor portion 1a in the figure) are laid on the upper surface (floor surface) of the bathroom floor 1. As shown in FIG. As shown in FIG. 3, a double-sided adhesive tape 2d is attached to the upper surface of each floor panel 2, and a surface layer sheet 10 is attached onto the double-sided adhesive tape 2d. The thickness of the surface layer sheet 10 is preferably about several mm, more preferably about 3 mm.

As the surface layer sheet 10, a multi-layer foamed vinyl chloride sheet having a constant standard width is used. As shown in FIG. 1, the width of the floor panel 2 and thus the width of the floor portion 1a is larger than the standard width dimension. For this reason, a plurality of (three in FIG. 1) surface sheets 10 are arranged side by side in the bathroom width direction (right and left in FIG. 1) on the floor 1a. In FIG. 1, the width of each surface layer sheet 10 is the standard width dimension, but depending on the size of the floor portion 1a, at least one surface layer sheet may be cut to reduce the width. The longitudinal direction perpendicular to the width direction of each surface layer sheet 10 is oriented in the depth direction of the bathroom (up and down in FIG. 1).
Hereinafter, when distinguishing two adjacent surface layer sheets 10 from each other, one is referred to as "first surface layer sheet 11" and the other is referred to as "second surface layer sheet 12". Here, for the sake of convenience, of the three surface sheets 10 of each floor 1a, the center sheet 11 is designated as the first surface layer sheet 11, and both side sheets are designated as the second surface layer sheets 12. As shown in FIG.

As shown in FIG. 1, a seam 13 is formed between the facing end surfaces 11e and 12e of the first surface layer sheet 11 and the second surface layer sheet 12 adjacent to each other. Preferably, the seam 13 between the surface sheets 11 and 12 does not cross or overlap with the seam 2g between the floor panels 2 . This eliminates the risk of water leakage through the intersections or overlaps of the seams 13, 2g. More preferably, the seam 13 between the surface sheets 11 and 12 is parallel to the seam 2g between the floor panels 2, and is arranged on one of the surfaces of the floor panel 2 offset from the seam 2g.

A seam member 14 is provided along the seam 13, as shown in FIGS. Preferably, the joint member 14 extends along the direction in which the water flow slopes on the bathroom floor 1 (the bathroom depth direction, up and down in FIG. 1). This allows drainage to flow along the seam member 14 . If the seam member 14 intersects the direction in which the water flow gradient is provided, drainage is blocked by the seam member 14, and water and solid matter are likely to accumulate.

As shown in FIG. 4 , the seam member 14 includes a lower receiving member 20 and an upper front member 30 . The receiving member 20 and the front member 30 are each formed to have a constant cross section and extend linearly. The receiving member 20 is formed by extrusion molding a relatively hard resin such as ABS. As shown in FIGS. 3 and 4, the receiving member 20 integrally has a bottom plate portion 21 and a receiving wall portion 22 . The bottom plate portion 21 is formed in a strip shape that is thinner than the surface layer sheet 10 (11, 12) and has a constant width.

A receiving wall portion 22 is formed in the central portion of the bottom plate portion 21 in the width direction so as to protrude upward. A fitting groove 23 is formed in the receiving wall portion 22 from the upper end face toward the inside of the wall. Engagement projections 24 are formed on groove walls on both sides of the fitting groove 23 .
The receiving wall portion 22 is divided into two receiving wall portions 25 and 26 with the fitting groove 23 interposed therebetween.

As shown in FIG. 3, the receiving member 20 is placed on the floor panel 2 so as to be sandwiched between the facing end faces 11e and 12e of the surface sheets 11 and 12. As shown in FIG. The opposed end surfaces 11e and 12e are separated from each other by the width dimension of the receiving member 20. As shown in FIG. The bottom plate portion 21 is adhered to the double-sided adhesive tape 2d appearing between the opposed end surfaces 11e and 12e. One end face (the left end in FIG. 3 ) of the bottom plate portion 21 abuts against the lower portion of the opposing end face 11 e of the first surface layer sheet 11 . The other end face (the right end in FIG. 3 ) of the bottom plate portion 21 abuts against the lower portion of the opposing end face 12 e of the second surface layer sheet 12 .
The upper end surface of the receiving wall portion 22 is positioned at approximately the same height as the upper surface of the surface layer sheet 10 .

Sealing filling grooves 41 and 42 are formed between both side surfaces of the receiving wall portion 22 and the opposing end surfaces of the surface layer sheets 11 and 12 and 11e and 12e, respectively.
Specifically, a first sealing filling groove 41 is formed between the outer surface of the receiving wall portion 25 on the first surface layer sheet 11 side and the opposing end surface 11 e of the first surface layer sheet 11 . The upper surface of the portion of the bottom plate portion 21 that protrudes toward the first surface layer sheet 11 from the receiving wall portion 25 constitutes the groove bottom surface of the sealing filling groove 41 .

A second sealing filling groove 42 is formed between the outer surface of the receiving wall portion 26 on the side of the second surface layer sheet 12 and the opposing end surface 12 e of the second surface layer sheet 12 . The upper surface of the portion of the bottom plate portion 21 that protrudes toward the second surface sheet 12 beyond the receiving wall portion 26 constitutes the groove bottom surface of the sealing filling groove 42 .
The two sealing-fill grooves 41, 42 extend along the seam 13 in the direction perpendicular to the page of FIG.

As shown in FIG. 3, the sealing filling grooves 41 and 42 are filled with the sealing material 5 respectively. Preferably, silicone is used as the sealing material 5 .

As shown in FIGS. 3 and 4, the front side member 30 is arranged on the receiving member 20. As shown in FIGS. The front side member 30 integrally has a cover portion 31 and a fitting convex portion 33 . The cover portion 31 is made of a soft resin such as soft acrylic, and the fitting convex portion 33 is made of a hard resin such as ABS. The front side member 30 is a two-color molded body formed by two-color molding of the cover portion 31 and the fitting convex portion 33 . As a result, cushioning properties can be imparted to the cover portion 31 facing the floor surface of the bathroom. The fitting convex portion 33 can be provided with hardness necessary for fitting.

The cover portion 31 is formed in a band shape with a constant width. The width of the cover portion 31 is greater than the width of the bottom plate portion 21 . Both ends of the cover portion 31 in the width direction extend outward in the width direction from the bottom plate portion 21 .
The cover portion 31 bridges between the upper surface of the first surface layer sheet 11 and the upper surface of the second surface layer sheet 12 across the sealing filling grooves 41 and 42 on both sides of the receiving wall portion 22 . Both sides of the cover portion 31 in the width direction cover the top surfaces of the surface sheets 11 and 12 , and preferably are in contact with the top surfaces of the surface sheets 11 and 12 .

The width of the portion of the cover portion 31 that overlaps the upper surfaces of the surface sheets 11 and 12 is preferably about several mm, more preferably about 3 mm.
The height from the lower surface of the bottom plate portion 21 to the lower surface of the cover portion 31 is substantially equal to the thickness of the surface layer sheet 10 .

A fitting convex portion 33 is provided at the central portion of the cover portion 31 in the width direction. The fitting convex portion 33 protrudes downward from the cover portion 31 . A locking projection 34 is formed at the lower end of the fitting projection 33 . The fitting convex portion 33 is inserted and fitted into the fitting groove 23 of the receiving member 20 . The locking projections 24, 34 are locked together.

<Bathroom floor construction method>
When constructing the bathroom floor 1, as shown in FIG. Stick it on the adhesive tape 2d.
Next, as shown in FIG. 5(b), a receiving member 20 for the joint member 14 is installed along the facing end face of the first surface layer sheet 11. Next, as shown in FIG. One end surface of the bottom plate portion 21 of the receiving member 20 abuts against the opposite end surface 11 e of the first surface layer sheet 11 . Then, the receiving member 20 is placed on the floor panel 2 and attached to the double-sided adhesive tape 2d on the upper surface of the floor panel 2. - 特許庁
As a result, the first sealing filling groove 41 is formed between the opposing end surface 11 e of the first surface layer sheet 11 and the receiving wall portion 22 . The first sealing filling groove 41 at this point is open upward.

Next, as shown in FIG. 5(c), the second surface layer sheet 12 is pushed against the other end surface of the bottom plate portion 21 along the receiving member 20 so that the second surface layer sheet 12 is placed on the floor. It is laid on the panel 2 and stuck on the double-sided adhesive tape 2d. Thereby, a second sealing filling groove 42 is formed between the opposing end surface 12 e of the second surface layer sheet 12 and the receiving wall portion 22 . The second sealing filling groove 42 at this point is open upward.
Further, the receiving member 20 is sandwiched from both sides by the surface layer sheets 11 and 12 and fixed in position. It is not necessary to vertically overlap the end portions of the surface layer sheets 11 and 12 and the bottom plate portion 21, and it is possible to prevent the end portions of the first and second surface layer sheets from rising.

Subsequently, as shown in FIG. 6(a), each sealing filling groove 41, 42 is filled with a sealing material 5 such as silicone applied thereto. The upper surface of the receiving wall portion 22 or the upper surface of the surface layer sheets 11 and 12 serves as a reference for measuring the filling amount of the sealing material 5 .
Since the sealing filling grooves 41 and 42 are opened upward, the sealing material 5 can be easily applied and filled into the sealing filling grooves 41 and 42 through the groove openings 41a and 42a. Moreover, the state of application and filling of the sealing material 5 can be easily confirmed through the groove openings 41a and 42a. Therefore, construction defects can be prevented.

Next, as shown in FIGS. 6(b) to 6(c), the front side member 30 is put on the receiving member 20, and the fitting protrusions 33 are fitted into the fitting grooves 23. Next, as shown in FIG. As a result, the groove openings 41a and 42a can be covered with the front side member 30, and the receiving member 20 and the sealing material 5 can be covered. Therefore, the appearance of the seam 13 can be improved and the design can be improved.
As shown in FIG. 6(c), both ends of the front member 30 cover the upper surfaces of the ends of the first and second surface sheets 11 and 12, so that the ends of the surface sheets 11 and 12 are peeled off. etc. can be prevented. Furthermore, even if a wheelchair, a lift, or other assistive devices run on the bathroom floor surface after use, it is possible to prevent damage to the ends of the surface sheets 11 and 12 and the sealing material 5 .
Since the receiving member 20 is held between both sides of the surface layer sheets 11 and 12 and fixed in position, the front side member 30 can also be fixed in position. As a result, the joint member 14 can be stably installed at the joint 13, and the joint member 14 can be prevented from slipping. Therefore, it is possible to reliably prevent tearing and overflowing of the sealing material due to displacement of the receiving member.
Since the fitting groove 23 into which the fitting protrusion 33 is fitted is separated from the sealing filling grooves 41 and 42, the sealing filling groove 41 and the sealing filling groove 41, 41 and the sealing filling grooves 41 and 42 are separated from the sealing filling grooves 41 and 42 when the fitting protrusion 33 and the fitting groove 23 are fitted. The sealing material 5 inside 42 is not extruded. Therefore, the state of the sealing material 5 can be maintained as it was when applied, and the filling amount can be ensured. In addition, it is possible to prevent the sealing material 5 from overflowing to the surface of the surface layer sheet 10 during the fitting operation, thus saving the trouble of removing dirt.
Since hot air is not required in the bath seam treatment, the surface layer sheet 10 is not thermally damaged.

The sealing material 5 in the sealing filling groove 41 on the first surface sheet 11 side seals between the first surface sheet 11 and the receiving member 20 to prevent water from entering between the first surface sheet 11 and the floor panel 2 . intrusion can be prevented.
The sealing material 5 in the sealing filling groove 42 on the side of the second surface layer sheet 12 can seal between the second surface layer sheet 12 and the receiving member 20, preventing water from entering between the second surface layer sheet 12 and the floor panel. can be prevented.
As described above, since the application failure of the sealing material 5 is unlikely to occur, the surface layer sheets 11 and 12 and the receiving member 20 can be securely sealed, and the waterproofness at the seam 13 can be ensured.
When replacing the surface layer sheet 10 (11, 12), the front side member 30 of the joint member 14 is peeled off from the receiving member 20 and removed. The receiving member 20 can be left and reused.

The present invention is not limited to the embodiments described above, and various modifications can be made without departing from the scope of the invention.
For example, the bathroom floor 1 may consist of only one floor panel. The floor panel may be made of FRP.
A bathroom may have a bathtub and a bathtub pan. The floor panel of the present invention may include the bathtub receiving pan.
The bathroom floor structure of the present invention can be applied not only to large bathrooms such as nursing homes, but also to bathrooms in detached houses, collective housing, and other bathrooms.

INDUSTRIAL APPLICABILITY The present invention can be applied, for example, to large bathrooms such as nursing homes.

1 Bathroom floor (bathroom floor structure)
2 Floor panel 2d Double-sided adhesive tape 5 Sealing material 11 First surface layer sheet 11e Opposed end surface 12 Second surface layer sheet 12e Opposed end surface 13 Seam 14 Seam member 20 Receiving member 21 Bottom plate portion 22 Receiving wall portion 23 Fitting groove 30 Front side member 31 Cover Part 33 Fitting protrusions 41, 42 Sealing filling grooves 41a, 42a Groove opening

Claims (8)

bathroom floor panels,
a first surface layer sheet and a second surface layer sheet laid adjacent to each other on the floor panel;
a joint member extending along the joint between the first and second surface sheets;
wherein the seam member comprises
a receiving member disposed between the opposing end surfaces of the first and second surface sheets;
a front member disposed above the receiving member;
The receiving member has a bottom plate portion thinner than the first and second surface sheets, and a receiving wall portion projecting upward from a center portion of the bottom plate portion in the width direction. Engagement grooves are formed from the end faces toward the inside of the walls, and sealing filling grooves are formed between both side surfaces of the receiving wall portion and the facing end faces of the first and second surface sheets, respectively. The groove is filled with sealing material ,
The front side member includes a cover portion that straddles the sealing filling grooves on both sides of the receiving wall portion and spans between the upper surfaces of the first and second surface layer sheets, and a cover portion extending downward from the center portion in the width direction of the cover portion. A bathroom floor structure, comprising: a fitting convex portion protruded and fitted with the fitting groove. 2. The bathroom floor structure according to claim 1, wherein the width of the cover portion is larger than the width of the bottom plate portion. 3. The bathroom floor according to claim 1, wherein the receiving member is placed on the floor panel so as to be sandwiched between the facing end surfaces of the first and second surface sheets. structure. 3. The end surface of the bottom plate portion is abutted against the opposing end surface of the first surface layer sheet, and the other end surface of the bottom plate portion is abutted against the opposing end surface of the second surface layer sheet. The bathroom floor structure according to any one of 1 to 3. The bathroom floor structure according to any one of claims 1 to 4, wherein the height from the lower surface of the bottom plate portion to the lower surface of the cover portion is substantially equal to the thickness of the surface layer sheet. The front side member is a two-color molded body containing a hard resin that forms the fitting projection and a soft resin that forms the cover. Bathroom floor construction as described. A joint member provided along a joint between a first surface layer sheet and a second surface layer sheet laid adjacent to each other on a bathroom floor panel,
a receiving member disposed between the opposing end surfaces of the first and second surface sheets;
a front member disposed on the receiving member;
The receiving member has a bottom plate portion thinner than the first and second surface sheets, and a receiving wall portion projecting upward from a center portion of the bottom plate portion in the width direction. A fitting groove is formed from the end surface toward the inside of the wall, and both side surfaces of the receiving wall portion form sealing filling grooves filled with a sealing material between the opposing end surfaces of the first and second surface layer sheets, respectively. and
The front side member includes a cover portion that straddles the sealing filling grooves on both sides of the receiving wall portion and bridges between the upper surfaces of the first and second surface layer sheets, and protrudes downward from a center portion in the width direction of the cover portion. A seam member for a bathroom floor, characterized in that it has a fitting protrusion that is fitted with the fitting groove. Laying a first surface layer sheet on the floor panel having a smaller width than the floor panel of the bathroom,
A receiving member for the joint member is installed along the opposite end surface of the first surface layer sheet,
Laying the second surface sheet on the floor panel opposite to the first surface sheet with the receiving member interposed therebetween, with the opposite end surface of the second surface sheet aligned with the receiving member;
A pair of sealing filling grooves formed between a receiving wall projecting upward from a center portion in the width direction of the bottom plate of the receiving member and the opposing end faces of the first and second surface sheets is filled with a sealing material. fill and
After that, the front side member of the joint member is put on the receiving member, and the cover portion of the front side member is bridged between the upper surfaces of the first and second surface layer sheets, and the width direction center part of the cover is lowered. A construction method for a bathroom floor, characterized in that a projecting fitting convex portion is fitted into a fitting groove formed from the upper end surface of the receiving wall portion toward the inside of the wall.

Images