JP4007793B2 - Bathroom floor waterproof structure - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a waterproof pan that forms a floor surface of a bathroom, a base material that forms a bathroom wall, a waterproof sheet that waterproofs the base material, and a wall surface of the bathroom including a finishing member that becomes a finishing wall of the bathroom, It relates to a waterproof floor structure of a bathroom to be connected waterproof.
[0002]
[Background]
Conventionally, a prefabricated unit method has been frequently used for building a house or the like. In this prefabricated unit construction method, a building is constructed by arranging and laminating substantially box-shaped building units produced in advance in a factory at a construction site.
Even when a bathroom is installed in a prefabricated building, the waterproof performance is improved and the implementation is simplified by using a unitized waterproof pan. In particular, a waterproof sheet is connected to the rising edge of the waterproof pan in advance, and the waterproof sheet is connected to the wall surface when installed in the bathroom (Japanese Patent Laid-Open No. 2000-160856).
7 and 8 show the floor waterproofing structure of the bathroom 10 in the above publication. FIG. 7 is a longitudinal sectional view of the bathroom floor panel 11, and FIG. 8 is an exploded sectional view of the bathroom floor panel 11. Is. A floor waterproof structure of a conventional bathroom 10 will be described with reference to FIGS.
[0003]
The floor waterproof structure of the bathroom 10 includes a waterproof pan 30 that forms the floor of the bathroom 10, a base material 21 that forms the wall of the bathroom 10, and a waterproof sheet 22 that prevents water from entering the base material 21. Similarly to the waterproof sheet 22, the bathroom sheet 26 ensures waterproofness, and a bathroom wall member including a finish member 24 that becomes a finish wall of the bathroom 10.
Specifically, the waterproof pan 30 is fixed to the inside of a rectangular frame-shaped outer frame member 80, and a horizontal portion 30 </ b> B extending to the outdoor side is provided around the outer edge of the waterproof pan 30. The waterproof sheet 22 includes adhesive portions 22A and 22B in which an adhesive is applied to both the indoor side and the outdoor side, and the lower end of the waterproof sheet 22 is bonded to the horizontal portion 30B of the waterproof pan 30 at the indoor side adhesive portion 22A. Fixed. The outer frame member 80, the waterproof pan 30 and the waterproof sheet 22 are integrated in advance as described above at a factory or the like to form the bathroom floor panel 11, and are transported to the building site.
[0004]
Then, at the construction site, the integrated outer frame member 80, waterproof pan 30 and waterproof sheet 22 are placed on the foundation base 50 so as to contact the floor panel 60 forming the floor of the building in the bathroom 10, Bolts (not shown) erected from the foundation base 50 are passed through through holes (not shown) in the outer frame member 80, and further, wall nuts 70 erected around the bathroom 10 are passed through, and then nuts The floor panel 60, the waterproof pan 22 that forms the floor surface of the bathroom 10, and the wall panel 70 are fixed to the foundation base 50 by tightening at (not shown).
[0005]
Furthermore, after fixing the bathroom floor panel 11 to the building frame, the base material 21 is placed on the upper surface of the waterproof sheet 22 that is bonded and fixed to the horizontal portion 30 </ b> B of the waterproof pan 30. Next, the waterproof sheet 22 is bent at a substantially right angle at the corner portion of the base material 21 and extended from the indoor side end of the horizontal portion 30B to the indoor side surface of the base material 21, and is creased by the outdoor adhesive portion 22B. Adhere and fix so that there is no slack And the finishing member 24 used as the finishing wall of the bath sheet 15 and the bathroom 10 is affixed on the indoor side adhesion part 22A of the waterproof sheet 22, and the floor part waterproof structure of the bathroom 10 is formed.
[0006]
[Problems to be solved by the invention]
However, in the conventional structure, the waterproof sheet is bonded and fixed to the horizontal portion of the waterproof pan at the lower end indoor side of the waterproof sheet, and the base material corner portion placed on the upper surface of the lower end of the bonded and fixed waterproof sheet is substantially omitted. Because it is bent at a right angle, the waterproof sheet is attached so that the bent part of the waterproof sheet is not damaged when it is attached to the base material by pulling the free end of the waterproof sheet away from the outer edge of the waterproof pan. Had to be done carefully enough, and it took time and effort.
In addition, the waterproof sheet is attached to the horizontal part of the waterproof pan and the outdoor surface is attached to the base material, so the waterproof sheet requires an adhesive part on both sides, and the waterproof sheet is handled. However, there is a problem that the work of sticking the waterproof sheet becomes complicated.
[0007]
An object of the present invention is to provide a bathroom floor waterproof structure that simplifies bathroom assembly and improves waterproofing treatment.
[0008]
[Means for Solving the Problems]
The bathroom floor waterproof structure of the present invention will be described with reference to the drawings. The waterproof pan 30 that forms the floor of the bathroom 10, the base material 21 that forms the wall of the bathroom 10, and the waterproof to the base material 21. A waterproof structure for a floor portion of the bathroom 10 that waterproofly connects a wall surface of the bathroom 10 including a waterproof sheet 22 that performs the finish and a finishing member 24 that serves as a finishing wall of the bathroom 10, wherein the waterproof pan 30 is waterproof. The peripheral edge rising portion 33 of the pan 30 includes a waterproof sheet bonding surface 36 to which the waterproof sheet 22 is bonded, and a finishing member contact surface 35 to which the finishing member 24 is contacted, The waterproof sheet bonding surface 36 is located on the outer side of the chamber by the thickness of the waterproof sheet 22 from the finishing member contact surface 35. The waterproof sheet 22 is bonded to the waterproof pan 30 and the base material 21 so as to form a substantially flat continuous surface.
[0009]
In such a present invention, the waterproof pan has a waterproof sheet bonding surface to which the waterproof sheet is bonded and a finishing member abutting surface to which the finishing member is abutted at the edge rising portion. A waterproof sheet used for the purpose of preventing water from entering can be stuck on a waterproof pan and a base material so as to form a substantially flat continuous surface without a bent portion.
Therefore, even if the free end of the waterproof sheet that is not adhered to the waterproof pan is pulled away from the outer edge of the waterproof pan and attached to the base material, it is applied without worrying about the damage of the waterproof sheet due to the conventional bent part. It can be attached and the sticking work can be easily performed, and the waterproofing treatment of the bathroom can be improved. Also, since the adhesive surface bonded to the waterproof pan of the waterproof sheet and the adhesive surface bonded to the base material are on the same surface, the adhesive sheet may be formed on one side of the waterproof sheet. The complexity of handling and pasting work can be improved, and the object of the present invention is achieved.
[0010]
Also, Since the waterproof sheet adhesive surface is located on the outer side of the waterproof sheet by the thickness of the waterproof sheet from the finish member contact surface, after attaching the waterproof sheet to the waterproof sheet adhesive surface of the waterproof pan, the finish member is attached to the indoor side surface of the waterproof sheet. When contacted, there is no gap between the finish member and the waterproof pan, and the finish member can be brought into close contact with the finish member contact surface, preventing water from entering the waterproof sheet and improving waterproofness. Can be made. In addition, the lower end of the waterproof sheet is not immersed in water. Therefore, water can be prevented from entering the base material, which leads to an improvement in waterproofness.
[0011]
Further, the waterproof pan 30 is desirably provided with a finishing member support portion 37 on the lower end portion of the finishing member abutting surface 35 on which the lower end of the finishing member 24 can be placed.
In such a configuration, since the finishing member support portion on which the lower end of the finishing member can be placed is provided at the lower end portion of the finishing member contact surface of the waterproof pan, the finishing member support portion loads the finishing member load. The finishing member can be placed on the edge rising portion of the waterproof pan.
[0012]
Furthermore, the waterproof pan 30 is desirably provided with a base material support portion 38 on which the lower end of the base material 21 can be placed at the upper end portion of the waterproof sheet bonding surface 36.
In such a configuration, since the base material support portion on which the lower end of the base material can be placed is provided at the upper end portion of the waterproof sheet bonding surface of the waterproof pan, the base material support portion ensures the load of the base material. In addition, the base material can be placed on the edge rising portion of the waterproof pan, and the waterproof sheet and the base material can be bonded without a gap.
[0013]
Further, it is desirable that the base material support portion 38 is formed to extend horizontally to the outdoor side.
In such a configuration, since the base material support portion is formed to extend horizontally to the outdoor side at the upper end portion of the waterproof sheet bonding surface, the surface of the base material support portion is widened even if the load on the base material is large. By forming, the base material can be firmly supported.
[0014]
Further, it is desirable that a moisture-proof sheet 23 is provided between the base material 21 and the finishing member 24, and a lower end portion of the moisture-proof sheet 23 is bonded to the indoor side of the waterproof sheet 22.
In such a configuration, since the moisture-proof sheet is provided between the base material and the finishing member, it is possible to prevent moisture from flowing between the interior of the bathroom and the base material and to prevent condensation. In addition, since a waterproof sheet and a moisture-proof sheet are provided between the base material and the finish member, moisture such as water droplets and water vapor generated in the bathroom from both the waterproof and moisture-proof surfaces will not adversely affect the wall member. Can be.
[0015]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
The present embodiment is a bathroom floor waterproof structure configured using a waterproof sheet.
As illustrated in FIG. 1, the bathroom 10 according to the present embodiment is formed in a box shape, and includes a waterproof pan 30 that forms a floor surface of the bathroom 10, and a plurality of wall members erected on the periphery of the waterproof pan 30. 20 and a ceiling member (not shown) mounted on the wall member 20.
[0016]
As shown in FIG. 2, the waterproof pan 30 that forms the floor surface of the bathroom 10 is formed of, for example, fiber reinforced plastic (FRP), and has a bathtub floor 31 that forms a bathtub, and a washing place adjacent to the bathtub. And a washing floor floor 32.
The bathtub floor portion 31 is formed in a box shape with a marginal rising portion 33 extending along an end portion thereof from a rectangular floor surface, and the marginal rising portion adjacent to the washing place in the marginal rising portion 33. 33 is lower than the other edge rising portions 33, and the upper end portion thereof is formed to be bent in a substantially U-shaped cross section. In addition, a drainage port (not shown) is provided on the rectangular floor surface so that water accumulated on the bathtub floor can be discharged to the outside.
[0017]
Similar to the bathtub floor portion, the washing floor floor portion 32 is formed in a box shape with a marginal rising portion 33 extending from the rectangular floor surface along the end portion thereof. The edge rising part 33 adjacent to is higher than the other edge rising parts 33, and the upper end part thereof is formed to be bent in a substantially L-shaped cross section. Further, a groove (not shown) for guiding the water of the washing place to the drain outlet is formed in the peripheral part of the washing place.
At this time, as shown in FIG. 3, the bathtub floor 31 and the washing ground floor 32 have an edge rising part 33 formed in a substantially U-shaped section of the bathtub floor and a substantially sectional L of the washing floor 32. A partition portion 34 of the bathtub is formed by contacting the edge rising portion 33 formed in a letter shape, and the waterproof pan support portion 40 of a rectangular plate-like body fixed to the building frame is provided with legs 41 respectively. By fixing, the floor surface of the bathroom 10 is formed.
[0018]
As a structure for fixing the floor surface of the bathroom 10 composed of the waterproof pan 30 to the building frame, as shown in FIG. 3, the building frame to which the bathroom 10 of this embodiment is to be fixed is adjusted to the foundation foundation 50. The floor panel 60 that is placed and fixed via the metal fittings 51 and forms the floor of the building, and the wall panel 70 that stands up around the room are formed.
The floor panel 60 has a receiving member 61 formed in an L-shaped section along the edge thereof fixed to an upper end corner, and an L-shaped reinforcing member 62 that reinforces the receiving material 61 is fixed. Has been. The receiving member 61 supports the receiving member 42 having a substantially L-shaped cross section fixed along the edge of the waterproof pan supporting part 40 that supports the waterproof pan that forms the bathroom floor surface. Is fixed to the building frame.
Further, the height of the upper surface of the wash floor portion 32 of the waterproof pan 30 that forms the floor surface of the bathroom 10 is substantially the same as the height of the upper surface of the floor panel 60 that forms the floor surface of the room serving as the entrance of the bathroom 10.
[0019]
As shown in FIGS. 1 to 3, the wall member 20 has a laminated structure, and a finishing member 24 exposed to the inside of the bathroom 10, a gypsum board 21 affixed to the outer surface of the finishing member 24, and these Between the finishing member 24 and the gypsum board 21, a waterproof sheet 22 and a moisture-proof sheet 23 for ensuring watertightness from the bathroom 10 to the gypsum board 21 are provided.
Here, the finishing member 24 is formed of a wood material obtained by thermoplastic molding wood powder, and the lower end of the finishing member 24 is extended and fixed to the vicinity of the floor surface of the waterproof pan 30 forming the floor surface of the bathroom. ing. Further, the finishing member 24 arranged to intersect with the edge rising portion 33 of the bathtub floor 31 of the waterproof pan 30 is formed with a notch 25 as shown in FIG. The notch 25 can be fitted and arranged with respect to the partition 34 of the bathtub. Furthermore, as shown in FIG. 3, the finishing member 24 is also bonded and fixed to the inner surface of the bathroom 10 of the washing floor portion 32, which forms the partition 34 of the bathtub, and gives a sense of unity with the wall surface. The finishing member 24 is not limited to the wood material obtained by thermoplastic molding the wood powder, and may be formed of tiles or the like.
In addition, the waterproof sheet 22 and the moisture-proof sheet 23 are located between the finishing member 24 and the base material 21, and an adhesive is applied only to the outside of the bathroom 10, and includes adhesive portions 22 </ b> A and 23 </ b> A, respectively. The bathroom 10 room outside end face of the lower end part of the moisture-proof sheet 23 is attached to the end face of the bathroom 10 room inside.
[0020]
The ceiling member (not shown) is attached to the wall member 20 by a plurality of joining jigs. In addition, the structure of the ceiling member has a laminated structure like the wall member.
[0021]
And as a waterproof structure from the inside of the bathroom 10 to the building frame, the edge rising portion 33 around the outer edge of the waterproof pan 30 corresponds to the laminated structure of the wall member 20 as shown in FIG. 4 or FIG. The finishing member abutting surface 35 to which the finishing member 24 abuts and the waterproof sheet adhesion surface 36 to which the waterproof sheet 22 is adhered and fixed are provided. At this time, the waterproof sheet bonding surface 36 is formed on the outdoor side by the thickness of the waterproof sheet 22 relative to the finishing member contact surface 35. Further, a finishing member support portion 37 for supporting the finishing member 24 is formed at the lower end portion of the finishing member abutting surface 35, and the upper end portion of the waterproof sheet bonding surface 36 extends horizontally to the outdoor side. A base material support portion 38 for supporting the gypsum board 21 is formed.
[0022]
Here, as a waterproof structure in the bathtub floor 32, as shown in FIG. 4, the waterproof sheet bonding surface 36 has a lower end of the waterproof sheet 22 when water accumulated in the bathtub enters from the lower end of the finishing member 24. In order to prevent water from being immersed in water, the height of the lower end portion of the waterproof sheet bonding surface 36 is substantially the same as the height of the partition portion 34 of the bathtub. Further, the waterproof sheet 22 is affixed to the gypsum board 21 so as to extend from the waterproof sheet adhesive surface 36 sufficiently upward so that water that has entered from the lower end of the finishing member 24 may enter upward due to capillary action or the like. In addition, a moisture-proof sheet 23 is attached to the indoor side of the upper end of the waterproof sheet 22 so that water can enter the building frame with the upper end of the waterproof sheet 22 and the lower end of the moisture-proof sheet 23 overlapped. It is preventing.
[0023]
On the other hand, as shown in FIG. 5, the waterproof sheet bonding surface 36 is positioned above the finish member support portion 37 as the waterproof structure in the washing floor 32, but is lower than the height of the partition 34 of the bathtub. The edge rising part 33 except the partition part 34 of the bathtub of the washing-room floor part 32 is formed low as a whole. This is a structure for waterproofing the lower part of the entrance / exit (not shown) of the bathroom installed on the side surface of the washing floor 32. Specifically, the waterproof sheet 22 standing on the wall on which the bathroom doorway is installed is cut and bonded at both ends of the bathroom doorway, and the waterproof sheet 22 in contact with the bathroom doorway is opposite to the bathroom 10, that is, the wash surface. Fold it toward the dressing room and cover the lower part of the bathroom entrance. Thereby, the waterproofness of the bathroom entrance lower part can be ensured.
[0024]
Therefore, as a procedure for mounting the bathroom 10 having the waterproof structure on the floor of the bathroom 10 as described above, first, in the factory, the bathtub floor 31 and the washing floor 32 of the waterproof pan 30 are formed as the partition 34 of the bathtub. Further, the finishing member 24 is bonded and fixed to the bathroom 10 indoor side end surface of the edge rising portion 33 of the washing floor portion 32 that forms the partition portion 34 of the bathtub. In addition, the waterproof sheet 22 is bonded and fixed to the waterproof sheet bonding surface 36 formed on the bathtub floor 31, and is bonded and fixed to the waterproof sheet bonding surface 36 formed on the wash floor 32. Further, the integrated waterproof pan 30 is transported to the construction site in a state where the waterproof pan 30 is placed and fixed to the waterproof pan support portion 40 via the leg portion 41. At this time, the waterproof sheet 22 is folded and fixed to the waterproof sheet bonding surface 36 of the waterproof pan 30, the free end side that is not bonded and fixed is folded, accommodated inside the waterproof pan 30, and then to the construction site. And carry. In this way, by folding the waterproof sheet 22 inside the waterproof pan 30 and transporting it, damage of the waterproof sheet 22 during transport can be suppressed.
[0025]
Next, by placing the transported bathroom 10 floor surface on the bathroom 10 portion so that the receiving material 42 fixed to the waterproof pan supporting member 40 is placed on the receiving material 61 fixed to the floor panel, The floor panel 60, the waterproof pan 30 that forms the floor surface of the bathroom 10, and the wall panel 70 are fixed to the foundation base 50.
[0026]
Next, after the gypsum board 21 is erected on the base material support portion 38 of the waterproof pan 30, the folded waterproof sheet 22 is erected in a direction separating from the waterproof sheet bonding surface 36, and the erected waterproof sheet 22 is installed. The adhesive part 22A is affixed to the inner surface of the bathroom 10 of the gypsum board 21. At that time, the waterproof sheet 22 can be applied cleanly without being wrinkled on the surface by applying the waterproof sheet 22 in order from the corner of the corner formed by the gypsum board 21 of the bathroom 10. By sticking in this way, the waterproof sheet 22 can be continuously attached substantially flat without being bent. In addition, cuts are made at both ends of the bathroom entrance / exit of the waterproof sheet 22 standing and fixed to the wall where the bathroom entrance is installed, and the waterproof sheet 22 in contact with the bathroom entrance / exit is opposite to the bathroom 10, that is, the bathroom undressing room Fold it over to cover the lower part of the bathroom entrance. Thereby, the waterproofness of the bathroom entrance lower part can be ensured.
Further, the adhesive portion 23 </ b> A of the moisture-proof sheet 23 is attached so as to overlap the upper end portion of the waterproof sheet 22, and is attached to the surface of the gypsum board 21 inside the bathroom 10.
[0027]
Next, after attaching the waterproof sheet 22 and the moisture-proof sheet 23 to the surface of the gypsum board 21 inside the bathroom 10, the finish member 24 is placed on the finish member support portion 37 of the waterproof pan 30, and the finish member contact surface 35 and affixed to the inner surface of the bathroom 10 of the waterproof sheet 22 and the moisture-proof sheet 23. At this time, the finishing member 24 arranged on the surface intersecting with the partition part 34 of the bathtub is arranged by fitting the notch part 25 formed in the finishing member 24 into the partition part 34, and the waterproof sheet 22 and the moisture-proof sheet. Affixed to the inner surface of 23 bathrooms 10.
[0028]
And the installation work of the bathroom 10 is complete | finished by attaching a ceiling member (illustration omitted) to the wall member 20 with a some joining jig.
[0029]
According to this embodiment as described above, there are the following effects.
(1) The waterproof pan 30 is formed with a waterproof sheet bonding surface 36 to which the waterproof sheet 22 is bonded and a finishing member abutting surface 35 to which the finishing member 24 is abutted at the edge rising portion 33. The waterproof sheet 22 used for the purpose of preventing the intrusion of water into the building frame can be attached so as to form a substantially flat continuous surface without a bent portion. Therefore, when the folded end of the waterproof sheet 22 is pulled away from the waterproof sheet bonding surface 36 of the waterproof pan 30 and attached to the gypsum board 21, the damage caused by the bent portion of the waterproof sheet 22 as in the prior art is taken care of. It is possible to apply the material without making it, and the application work can be easily performed and the waterproofing treatment of the bathroom can be improved.
[0030]
(2) A finishing member support portion 37 for supporting the finishing member 24 is formed at the lower end portion of the finishing member abutting surface 35, and the upper end portion of the waterproof sheet bonding surface 36 extends horizontally to the outdoor side. By forming the base material support portion 38 for supporting the gypsum board 21, the finishing member support portion 37 and the base material support portion 38 secure the load of the finishing member 24 and the base material 21, respectively. The member 24 and the base material 21 can be placed on the edge rising portion 33 of the waterproof pan 30.
(3) Since the adhesive surface bonded to the waterproof pan 30 of the waterproof sheet 22 and the adhesive surface bonded to the gypsum board 21 are on the same surface, the adhesive sheet 22A is formed on one side of the waterproof sheet 22. Well, it is possible to improve the complexity of handling and sticking work of a waterproof sheet having adhesive portions formed on both sides.
[0031]
(4) The waterproof sheet bonding surface 36 of the bathtub floor 31 of the waterproof pan 30 is positioned above the finishing member support 37, and the height of the lower end of the waterproof sheet bonding surface 36 is the height of the partition 34 of the bathtub. Therefore, even if water accumulated in the bathtub enters from the lower end portion of the finishing member 24, the lower end portion of the waterproof sheet 22 is not immersed in water, and the waterproofing treatment to the building frame is improved.
(5) The waterproof sheet 22 extends from the adhesive sheet 36 to the upper side of the waterproof sheet and is attached to the gypsum board 21 so that water that has entered from the lower end of the finishing member 24 due to capillary action or the like is above the building housing. This prevents water from entering the building and further improves the waterproofing of the building frame.
[0032]
(6) The moisture-proof sheet 23 is attached to the indoor side of the upper end portion of the waterproof sheet 22, and the upper end portion of the waterproof sheet 22 and the lower end portion of the moisture-proof sheet 23 are attached so that the bathroom 10 It is possible to prevent moisture from flowing between the gypsum board 21 and dew condensation. Further, water such as water droplets and water vapor generated in the bathroom 10 can be prevented from adversely affecting the building frame.
(7) Since the waterproof pan 30 has the bathtub floor 31 that forms the bathtub, it is not necessary to separately place the bathtub on the waterproof pan as in the conventional case, leading to cost reduction, It leads to improvement of work efficiency of bathroom assembly work.
[0033]
(8) The height of the upper surface of the washing floor 32 of the waterproof pan 30 that forms the floor surface of the bathroom 10 is substantially the same as the height of the upper surface of the floor panel 60 that forms the floor surface of the room serving as the entrance of the bathroom. Thus, the height of the partition at the lower part of the entrance / exit of the bathroom can be lowered, and the movement in and out of the bathroom can be made smooth.
[0034]
Note that the present invention is not limited to the above-described embodiment, and modifications, improvements, and the like within a scope in which the object of the present invention can be achieved are included in the present invention.
For example, in the above-described embodiment, the case where the finishing member 24 serving as the finishing wall of the bathroom is placed so as to stand on the finishing member support portion 37 formed on the waterproof pan 30 has been described. 6, as shown in FIG. 6, in the washing floor portion 32 of the waterproof pan 30, the finishing member 24 is placed so as to stand on the drainage groove 39, that is, in the washing floor portion 32. The structure which does not form the member support part 37 may be sufficient.
Moreover, in the said embodiment, the gypsum board 21 is mounted so that the upper end part of the waterproof sheet adhesion surface 36 of the waterproof pan 30 may stand upright on the base material support part 38 extended and formed in the outdoor side. However, as shown in FIG. 6, the base material support portion 38 may be configured not to extend to the outdoor side.
[0035]
【The invention's effect】
According to the first aspect of the present invention, the waterproof pan includes the waterproof sheet bonding surface to which the waterproof sheet is bonded and the finishing member abutting surface to which the finishing member is abutted at the edge rising portion. Therefore, the waterproof sheet used for the purpose of preventing the entry of water into the base material can be pasted on the waterproof pan and the base material so as to form a substantially flat continuous surface without a bent portion. There is.
Therefore, even if the free end of the waterproof sheet that is not bonded to the waterproof pan is pulled away from the outer edge of the waterproof pan and applied to the base material, it should be applied without worrying about damage to the waterproof sheet due to the bent part. Thus, the sticking work can be easily performed and the waterproofing treatment of the bathroom can be improved.
Also, since the adhesive surface bonded to the waterproof pan of the waterproof sheet and the adhesive surface bonded to the base material are on the same surface, the adhesive sheet may be formed on one side of the waterproof sheet. It is possible to improve the complexity of handling and pasting work.
[0036]
According to the invention described in claim 2, since the waterproof sheet adhesion surface is located on the outer side of the thickness sheet of the waterproof sheet from the finish member contact surface, after bonding the waterproof sheet to the waterproof sheet adhesion surface of the waterproof pan, When the finish member is brought into contact with the indoor surface of the waterproof sheet, there is no gap between the finish member and the waterproof pan, and the finish member can be brought into close contact with the finish member contact surface. There is an effect that water penetration can be suppressed and waterproofness can be improved.
In addition, the lower end of the waterproof sheet is not immersed in water, so that water can be prevented from entering the wall member, leading to an improvement in waterproofness.
[0037]
According to the invention described in claim 3, since the finishing member support portion capable of placing the lower end of the finishing member is provided at the lower end portion of the finishing member contact surface of the waterproof pan, the finishing member support portion is There is an effect that the load of the finishing member can be secured and the finishing member can be placed on the edge rising portion of the waterproof pan.
[0038]
According to the fourth aspect of the present invention, the wall member support portion on which the lower end of the wall member can be placed is provided at the upper end portion of the waterproof sheet bonding surface of the waterproof pan. The load of the member can be secured, the wall member can be placed on the edge rising portion of the waterproof pan, and the waterproof sheet and the wall member can be bonded without gap.
[0039]
According to the invention described in claim 5, since the wall member support portion is formed to extend horizontally to the outdoor side at the upper end portion of the waterproof sheet bonding surface, the wall member support is supported even when the load of the wall member is high. By forming the surface of the part widely, there is an effect that the wall member can be firmly supported.
[0040]
According to the invention described in claim 6, since the moisture-proof sheet is provided between the wall member and the finishing member, it is possible to prevent moisture from flowing between the bathroom and the wall member and to prevent dew condensation. There is an effect that can be done.
In addition, since a waterproof sheet and a moisture-proof sheet are provided between the wall member and the finishing member, moisture such as water droplets or water vapor generated in the bathroom from both the waterproof and moisture-proof sides does not adversely affect the wall member. There is an effect that can be made.
[Brief description of the drawings]
FIG. 1 is an overall perspective view of a bathroom according to an embodiment of the present invention as viewed from above.
FIG. 2 is an exploded perspective view of a bathroom according to an embodiment of the present invention.
FIG. 3 is a longitudinal sectional view illustrating a bathroom floor waterproof structure according to an embodiment of the present invention.
4 is a cross-sectional view taken along line IV-IV in FIG.
FIG. 5 is a cross-sectional view taken along line VV in FIG.
FIG. 6 is a diagram showing a modification of the present invention.
FIG. 7 is a longitudinal sectional view of a bathroom floor panel showing a conventional bathroom floor waterproof structure.
FIG. 8 is an exploded cross-sectional view of a bathroom floor panel showing a conventional bathroom floor waterproof structure.
[Explanation of symbols]
10 Bathroom
21 Gypsum board as the base material
22 Tarpaulin
23 Moisture-proof sheet
24 Finishing parts
30 waterproof pan
35 Finishing member contact surface
36 Adhesive surface of waterproof sheet
37 Finishing member support
38 Base material support

Claims (5)

Waterproof connection of a waterproof pan that forms a floor surface of a bathroom, a base material that forms a wall of the bathroom, a waterproof sheet that waterproofs the base material, and a finishing member that is a finishing wall of the bathroom. A bathroom floor waterproof structure,
The waterproof pan includes a waterproof sheet bonding surface to which the waterproof sheet is bonded, and a finishing member abutting surface to which the finishing member is abutted, at an edge rising portion of the waterproof pan,
The waterproof sheet adhesion surface is located on the outer side of the thickness portion of the waterproof sheet from the finishing member contact surface,
The waterproof floor structure of a bathroom, wherein the waterproof sheet is bonded to form a substantially flat continuous surface on the waterproof pan and the base material. In the waterproofing | floor part waterproofing structure of the bathroom of Claim 1,
The waterproofing structure for a bathroom floor, wherein the waterproof pan has a finishing member support portion on the lower end portion of the finishing member contact surface, on which the lower end of the finishing member can be placed. In the waterproofing | floor part waterproofing structure of the bathroom of Claim 1 or Claim 2,
The waterproofing structure for a bathroom floor, wherein the waterproof pan has a base material support portion on which the lower end of the base material can be placed at an upper end portion of the waterproof sheet bonding surface. In the waterproofing | floor part waterproofing structure of the bathroom of Claim 3,
The bathroom floor waterproof structure, wherein the base material support portion is formed to extend horizontally to the outdoor side. In the floor waterproofing structure for a bathroom according to any one of claims 1 to 4,
A moisture-proof sheet is provided between the base material and the finishing member,
The waterproof floor structure of a bathroom, wherein a lower end portion of the moisture-proof sheet is bonded to a surface on the indoor side of the waterproof sheet.

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