阅读说明：本技术 卫生间基层防水施工方法 (Waterproof construction method for toilet base layer ) 是由 张远平 于 2020-04-30 设计创作，主要内容包括：本发明涉及一种卫生间基层防水施工方法,包括如下步骤：修补卫生间基层表面、以及卫生间基层与墙壁连接的墙脚,使所述卫生间基层表面及墙脚保持平整；对所述卫生间基层进行找平施工,在所述卫生间基层上形成找平层结构；在所述找平层结构上进行柔性防水施工,在所述找平层结构上形成柔性防水层结构。本发明提供一种卫生间基层防水施工方法,旨在解决传统技术中卫生间基层防水不好导致漏水积水的问题。(The invention relates to a waterproof construction method for a toilet base layer, which comprises the following steps: repairing the surface of the toilet base layer and the wall foot connected with the wall of the toilet base layer to ensure that the surface of the toilet base layer and the wall foot are kept flat; leveling construction is carried out on the toilet base layer, and a leveling layer structure is formed on the toilet base layer; and carrying out flexible waterproof construction on the leveling layer structure, and forming a flexible waterproof layer structure on the leveling layer structure. The invention provides a waterproof construction method for a toilet base, and aims to solve the problem of water leakage and water accumulation caused by poor waterproof performance of the toilet base in the prior art.)

1. A waterproof construction method for a toilet base layer is characterized by comprising the following steps:

repairing the surface of the toilet base layer and the wall foot connected with the wall of the toilet base layer to ensure that the surface of the toilet base layer and the wall foot are kept flat;

leveling construction is carried out on the toilet base layer, and a leveling layer structure is formed on the toilet base layer;

and carrying out flexible waterproof construction on the leveling layer structure, and forming a flexible waterproof layer structure on the leveling layer structure.

2. The waterproof construction method of toilet base layer according to claim 1, wherein in repairing the surface of toilet base layer and the wall base of toilet base layer connected with the wall to keep the surface of toilet base layer and wall base flat, the method comprises the following steps:

cleaning the toilet base layer surface and the basement surface to enable the toilet base layer surface and the basement surface to be clean and tidy;

and repairing the hole and the crack of the basement of the toilet by using quick-acting plugging cement, so that a flat repairing waterproof layer structure is formed on the basement of the toilet and the basement of the wall.

3. The waterproof construction method for the toilet base layer according to claim 2, wherein the step of leveling the toilet base layer to form a leveling layer structure on the toilet base layer comprises the following steps:

backfilling ceramsite and cement in the sedimentation tank on the toilet base layer to form a filling layer structure on the toilet base layer;

and performing leveling light receiving treatment on the filling layer structure by using the expansion cement to form a leveling layer structure.

4. The waterproof construction method for toilet base layer according to claim 3, wherein the method for leveling and burnishing the filling layer structure by using the expansive cement to form the leveling layer structure comprises the following steps:

leveling and light receiving treatment is carried out on the filling layer structure by using alunite expansion cement, and a leveling layer main body with the thickness of at least 2cm is formed on the toilet base layer, so that a 2-3% drainage gradient is formed from the toilet door to the toilet floor drain;

and carrying out leveling and light collecting treatment on the filling layer structure at the position of the toilet threshold by using alunite expansion cement, forming a leveling layer threshold part which is connected with the leveling layer main body into a whole at the position of the toilet threshold, wherein the leveling layer threshold part is higher than the leveling layer main body by at least 3 cm.

5. The waterproof construction method for toilet base layer according to claim 4, wherein the method for leveling and burnishing the filling layer structure by using the expansive cement to form the leveling layer structure comprises the following steps:

a groove is arranged on the leveling layer structure, surrounds the inner side of the bathroom threshold and extends from the bathroom threshold to the bathroom floor drain;

and filling the groove with quick-acting plugging cement.

6. The waterproof construction method for the toilet foundation as claimed in claim 5, wherein after the groove is filled with the quick-acting plugging cement, the method comprises the following steps:

and manufacturing a rectangular threshold body at the position of the toilet threshold, wherein the inner side of the threshold body corresponds to the groove which is arranged around the inner side of the toilet threshold, so that the height of the threshold body is at least 2cm, and the gradient difference is at least 5 mm.

7. The waterproof construction method for toilet base layer according to claim 1, wherein the step of performing flexible waterproof construction on the leveling layer structure to form a flexible waterproof layer structure on the leveling layer structure comprises the following steps:

coating flexible waterproof paint on the leveling layer structure to form a waterproof layer structure in the toilet on the leveling layer structure;

coating flexible waterproof paint on the ground outside the threshold of the toilet to form an outer waterproof layer structure of the toilet which is connected with the inner waterproof layer structure of the toilet into a whole;

and (3) coating flexible waterproof paint on the wall of the toilet to form a waterproof layer structure of the wall of the toilet, which is connected with the waterproof layer structure in the toilet into a whole.

8. The waterproof construction method for toilet base layer according to claim 7, wherein the step of applying flexible waterproof paint on the leveling layer structure to form a toilet waterproof layer structure on the leveling layer structure comprises the following steps:

and (3) coating the two-component flexible waterproof coating on the leveling layer structure for three times to form a waterproof layer structure in the toilet with the thickness of at least 1.5mm on the leveling layer structure.

9. The waterproof construction method of toilet base layer according to claim 7, wherein the step of painting flexible waterproof paint on the ground outside the threshold of the toilet to form the waterproof layer structure outside the toilet integrally connected with the waterproof layer structure inside the toilet comprises the steps of:

and (3) coating the double-component flexible waterproof coating on the ground outside the bathroom threshold for three times to form an external bathroom waterproof layer structure which is connected with the internal bathroom waterproof layer structure into a whole and is at least 1.5mm thick, wherein the external bathroom waterproof layer structure extends out of the bathroom from the position of the bathroom threshold by at least 30 cm.

10. The waterproof construction method for toilet base layer according to claim 7, wherein the step of painting flexible waterproof paint on the toilet wall to form a waterproof layer structure of the toilet wall integrally connected with the waterproof layer structure in the toilet comprises the steps of:

and brushing the double-component flexible waterproof coating for three times on the wall of the toilet to form a waterproof layer structure of the toilet wall, which is connected with the waterproof layer structure in the toilet into a whole and is at least 1.5mm thick, and the waterproof layer structure of the toilet wall extends from the plane of the leveling layer structure to the upper part of the wall by at least 1.8 m.

Technical Field

The invention relates to the technical field of building construction, in particular to a waterproof construction method for a toilet base layer.

Background

The toilet waterproof engineering is a key engineering in the house decoration process and is also a place which is easy to cause problems in the house decoration, and serious problems of water leakage and water accumulation can be caused by carelessness, so that people are worried and unhappy, a lot of inconvenience is brought to life per se, and various economic losses and neighborhood relations are even brought seriously. Therefore, the well-done toilet base layer waterproofing is a key step in the construction of the toilet waterproofing project, and the quality of the toilet waterproofing project is seriously influenced.

Disclosure of Invention

Based on the above, the invention provides a waterproof construction method for a toilet base layer, and aims to solve the problem of water leakage and water accumulation caused by poor waterproof performance of the toilet base layer in the traditional technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a waterproof construction method for a toilet base layer comprises the following steps:

repairing the surface of the toilet base layer and the wall foot connected with the wall of the toilet base layer to ensure that the surface of the toilet base layer and the wall foot are kept flat;

leveling construction is carried out on the toilet base layer, and a leveling layer structure is formed on the toilet base layer;

and carrying out flexible waterproof construction on the leveling layer structure, and forming a flexible waterproof layer structure on the leveling layer structure.

Optionally, when repairing the surface of the toilet base layer and the wall base of the toilet base layer connected with the wall to keep the surface of the toilet base layer and the wall base flat, the method comprises the following steps:

cleaning the toilet base layer surface and the basement surface to enable the toilet base layer surface and the basement surface to be clean and tidy;

and repairing the hole and the crack of the basement of the toilet by using quick-acting plugging cement, so that a flat repairing waterproof layer structure is formed on the basement of the toilet and the basement of the wall.

Optionally, when "leveling construction is performed on the toilet base layer, and a leveling layer structure is formed on the toilet base layer", the method includes the following steps:

backfilling ceramsite and cement in the sedimentation tank on the toilet base layer to form a filling layer structure on the toilet base layer;

and performing leveling light receiving treatment on the filling layer structure by using the expansion cement to form a leveling layer structure.

Optionally, when "performing a leveling and light collecting treatment on the filling layer structure by using the expansion cement to form a leveling layer structure", the method comprises the following steps:

leveling and light receiving treatment is carried out on the filling layer structure by using alunite expansion cement, and a leveling layer main body with the thickness of at least 2cm is formed on the toilet base layer, so that a 2-3% drainage gradient is formed from the toilet door to the toilet floor drain;

and carrying out leveling and light collecting treatment on the filling layer structure at the position of the toilet threshold by using alunite expansion cement, forming a leveling layer threshold part which is connected with the leveling layer main body into a whole at the position of the toilet threshold, wherein the leveling layer threshold part is higher than the leveling layer main body by at least 3 cm.

Optionally, when "performing a leveling and light collecting treatment on the filling layer structure by using the expansion cement to form a leveling layer structure", the method comprises the following steps:

a groove is arranged on the leveling layer structure, surrounds the inner side of the bathroom threshold and extends from the bathroom threshold to the bathroom floor drain;

and filling the groove with quick-acting plugging cement.

Optionally, after "filling the groove with quick-acting plugging cement", the method comprises the following steps:

and manufacturing a rectangular threshold body at the position of the toilet threshold, wherein the inner side of the threshold body corresponds to the groove which is arranged around the inner side of the toilet threshold, so that the height of the threshold body is at least 2cm, and the gradient difference is at least 5 mm.

Optionally, "flexible waterproof construction is performed on the leveling layer structure, and a flexible waterproof layer structure is formed on the leveling layer structure", the method includes the following steps:

coating flexible waterproof paint on the leveling layer structure to form a waterproof layer structure in the toilet on the leveling layer structure;

coating flexible waterproof paint on the ground outside the threshold of the toilet to form an outer waterproof layer structure of the toilet which is connected with the inner waterproof layer structure of the toilet into a whole;

and (3) coating flexible waterproof paint on the wall of the toilet to form a waterproof layer structure of the wall of the toilet, which is connected with the waterproof layer structure in the toilet into a whole.

Optionally, "flexible waterproof paint is painted on the leveling layer structure, and a waterproof layer structure in the toilet is formed on the leveling layer structure", the method includes the following steps:

and (3) coating the two-component flexible waterproof coating on the leveling layer structure for three times to form a waterproof layer structure in the toilet with the thickness of at least 1.5mm on the leveling layer structure.

Optionally, "the flexible waterproof coating is coated on the ground outside the threshold of the toilet to form an external waterproof layer structure of the toilet which is connected with the internal waterproof layer structure of the toilet into a whole", the method comprises the following steps:

and (3) coating the double-component flexible waterproof coating on the ground outside the bathroom threshold for three times to form an external bathroom waterproof layer structure which is connected with the internal bathroom waterproof layer structure into a whole and is at least 1.5mm thick, wherein the external bathroom waterproof layer structure extends out of the bathroom from the position of the bathroom threshold by at least 30 cm.

Optionally, "when a flexible waterproof coating is coated on a wall of a toilet to form a waterproof layer structure of the wall of the toilet, which is connected with the waterproof layer structure in the toilet, the method comprises the following steps:

and brushing the double-component flexible waterproof coating for three times on the wall of the toilet to form a waterproof layer structure of the toilet wall, which is connected with the waterproof layer structure in the toilet into a whole and is at least 1.5mm thick, and the waterproof layer structure of the toilet wall extends from the plane of the leveling layer structure to the upper part of the wall by at least 1.8 m.

According to the technical scheme provided by the invention, the surface of the toilet base layer and the wall foot connected with the wall are maintained flat by repairing the surface of the toilet base layer and the wall foot connected with the toilet base layer, and a waterproof structure is formed on the surface of the toilet base layer and the wall foot; then, leveling construction is carried out on the toilet base layer, and a leveling layer structure is formed on the toilet base layer, so that the toilet base layer can be filled and leveled, and the waterproof effect of the toilet base layer can be further enhanced; and, through carry out flexible waterproof construction on the screed-coat structure form flexible waterproof layer structure on the screed-coat structure, can satisfy the water-proof effects of bathroom basic unit better. Therefore, by carrying out multilayer waterproof construction on the toilet base layer, the waterproof requirement of the toilet base layer can be well met, the quality of toilet waterproof engineering is ensured, and the problem of water accumulation and water leakage in a toilet is reduced or avoided.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a partial cross-sectional structural view illustrating a waterproof construction structure of a toilet base according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a top view structure of a waterproof construction structure for a toilet base layer (when a groove is formed in a leveling layer structure) according to an embodiment of the invention;

fig. 3 is a schematic flow chart illustrating steps of a waterproof construction method for a toilet base layer according to an embodiment of the present invention.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Toilet base layer	200	Repairing waterproof layer structure
300	Leveling layer structure	310	Main body of leveling layer
				320	Leveling layer threshold part	400	Flexible waterproof layer structure
410	Flexible waterproof layer main body	420	Flexible waterproof layer extension
				500	Threshold body	600	Floor drain
700	Groove	710	Threshold groove
				720	Auxiliary groove

The objects, features and advantages of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The toilet waterproof engineering is a key engineering in the house decoration process and is also a place which is easy to cause problems in the house decoration, and serious problems of water leakage and water accumulation can be caused by carelessness, so that people are worried and unhappy, a lot of inconvenience is brought to life per se, and various economic losses and neighborhood relations are even brought seriously. Therefore, the well-done toilet base layer waterproofing is a key step in the construction of the toilet waterproofing project, and the quality of the toilet waterproofing project is seriously influenced. In order to solve the above problems, the present invention provides a toilet base waterproof construction structure and a toilet base waterproof construction method corresponding to the toilet base waterproof construction structure.

As shown in fig. 1, the present invention provides a waterproof construction structure for a toilet base layer, which includes a toilet base layer 100, a repairing waterproof layer structure 200 disposed on the toilet base layer, and a leveling layer structure 300 disposed on the repairing waterproof layer structure 200. This screed structure 300 includes a screed main body 310 and a screed threshold portion 320, and a threshold body 500 is provided at the screed threshold portion 320. Also, a flexible waterproof layer structure 400 is provided on the leveling layer structure 300, including a flexible waterproof layer main body 410 on the leveling layer main body 310, and a flexible waterproof layer extension part 420 extending outside the toilet. The waterproof construction structure for the toilet base layer can realize good waterproof performance of the toilet.

Furthermore, as shown in fig. 3, the present invention provides a waterproof construction method for a toilet base layer, comprising the steps of:

s100, repairing the surface of the toilet base layer 100 and the wall feet connecting the toilet base layer 100 with the wall, so that the surface of the toilet base layer 100 and the wall feet are kept flat;

s200, leveling construction is carried out on the toilet base layer 100, and a leveling layer structure 300 is formed on the toilet base layer 100;

s300, performing flexible waterproof construction on the leveling layer structure 300 to form a flexible waterproof layer structure 400 on the leveling layer structure 300.

Therefore, the surface of the toilet base layer 100 and the wall bases connected with the wall can be kept flat by repairing the surface of the toilet base layer 100 and the wall bases connected with the wall, and a waterproof structure is formed on the surface of the toilet base layer 100 and the wall bases; then, leveling construction is performed on the toilet base layer 100, and a leveling layer structure 300 is formed on the toilet base layer 100, so that the toilet base layer 100 can be leveled, and the waterproof effect of the toilet base layer 100 can be further enhanced; moreover, flexible waterproof construction is performed on the leveling layer structure 300, so that the flexible waterproof layer structure 400 is formed on the leveling layer structure 300, and the waterproof effect of the toilet base layer 100 can be better satisfied. Therefore, by carrying out multilayer waterproof construction on the toilet base layer 100, the waterproof requirement of the toilet base layer 100 can be well met, the quality of toilet waterproof engineering is ensured, and the problem of water accumulation and water leakage in a toilet is reduced or avoided.

Specifically, when the step S100 is performed, that is, "repairing the surface of the toilet base layer and the wall base of the toilet base layer connected to the wall to keep the surface of the toilet base layer and the wall base flat", the method includes the following steps:

and S110, cleaning the surface of the toilet base layer 100 and the surface of the basement wall, so that the surface of the toilet base layer 100 and the surface of the basement wall are clean and tidy. Before filling and leveling the toilet base 100, the toilet base 100 and the basement wall need to be cleaned, and the accumulated dust, the floating slurry, the oil stain and the sundries on the surfaces of the toilet base 100 and the basement wall are cleaned and washed clean.

And S120, repairing the hollow hole and the crack of the basement of the toilet 100 by using quick-acting plugging cement, and forming a flat repaired waterproof layer structure 200 on the toilet basement 100 and the basement of the wall.

Further, quick-acting plugging cement is firstly used for repairing pothole holes and cracks of the basement of the toilet 100, and the pothole holes and the cracks are filled and plugged. Not only can prevent the accumulated water from leaking at the hollow hole and the crack, but also can keep the surface of the toilet base layer 100 smooth, thereby facilitating the subsequent construction operation.

Then, the quick-acting plugging cement is used again to coat the flat toilet base 100 and the basement wall, and a flat repairing waterproof layer structure 200 is formed on the surface of the whole toilet base 100 and the basement wall. So that a preliminary waterproof structure can be formed on the toilet base layer 100.

When the quick-acting plugging cement is used for construction, the quick-acting plugging cement and water are stirred and mixed according to a certain proportion to form a putty-like material, and the material is not required to be too much for each time so as not to be solidified to cause waste; then, filling putty-like materials in the hollow hole and the crack, and filling and plugging the hollow hole and the crack; or the putty-like materials are coated on the surface and the wall feet of the whole toilet base layer 100, and a plurality of layers of putty-like materials can be coated, and the surface can be wiped dry after the upper layer of materials is hardened, and then the lower layer of materials can be coated. The number of layers of the specific coating materials can be set according to needs, and in the embodiment, two layers or three layers of materials can be coated, so that the waterproof layer structure can be repaired to reach 1.5-2.2mm, and the waterproof effect is good. In addition, in this embodiment, the quick-acting plugging cement may be a quick-acting plugging cement that is not leaked by the golden soup water of the beijing golden soup building waterproof materials ltd, and the problem of penetration of the base layer hole can be better solved by using the quick-acting plugging cement to fill the hole crack with the golden soup water-tight material.

In addition, after the construction for repairing the waterproof layer structure 200 is completed, moisture maintenance is required, which may be performed by spraying water, covering wet objects, etc. in the repairing of the waterproof layer structure 200, and the maintenance time may be 2 to 3 days.

In addition, when the step S200 of leveling the toilet base layer to form a leveling layer structure on the toilet base layer is performed, the method includes the following steps:

s210, backfilling ceramsite and cement in the sedimentation tank on the toilet base layer 100 to form a filling layer structure on the toilet base layer 100. The sedimentation tank can be backfilled by using the fly ash ceramsite, and the fly ash ceramsite and the cement are mixed and stirred when the sedimentation tank is backfilled to form a backfill material, and then the backfill material is refilled into the sedimentation tank, so that the waterproof layer is not damaged, the weight is light, the water absorption is good, and the sedimentation tank is stable and reliable.

And S220, performing leveling and light receiving treatment on the filling layer structure by using the expansion cement to form a leveling layer structure 300. After the sedimentation tank is filled, the filling layer structure needs to be leveled and light receiving treatment is carried out, so that the surface of the filling layer structure is smooth, and the waterproof effect can be further improved.

Further, when the step S220 of performing the leveling and light-collecting process on the filling layer structure using the expansive cement to form the leveling layer structure 300 is performed, the method includes the following steps:

and carrying out leveling and light receiving treatment on the filling layer structure by using alunite expansion cement, and forming a leveling layer main body 310 with the thickness of at least 2cm on the toilet base layer 100, so that a 2-3% drainage gradient is formed from the toilet door to the toilet floor drain 600. The leveling layer main body 310 with enough thickness is formed by construction on the filling layer structure, so that a good waterproof effect is achieved. Moreover, a certain drainage gradient is formed on the leveling layer main body 310, so that the toilet floor has a good drainage effect. In this embodiment, the thickness of the leveling layer main body 310 can be 2cm, so that the excessive thickness of the leveling layer structure 300 can be avoided, and a good waterproof effect can be achieved.

And carrying out leveling and light collecting treatment on the filling layer structure at the position of the toilet threshold by using alunite expansion cement, forming a leveling layer threshold part 320 which is connected with the leveling layer main body 310 into a whole at the position of the toilet threshold, wherein the leveling layer threshold part 320 is higher than the leveling layer main body 310 by at least 3 cm. Meanwhile, leveling construction needs to be performed at the position of the threshold, and the leveling threshold part 320 higher than the leveling layer main body 310 is formed at the position of the threshold, so that water on the ground of the toilet is prevented from overflowing out of the toilet. Moreover, through making the higher of leveling layer threshold portion 320 go out of leveling layer main part 310 by at least 3cm, water-proof effects is better, also makes things convenient for to set up the threshold in leveling layer threshold portion 320 position department. In this embodiment, the threshold portion 320 of the leveling layer can be 3cm higher than the main body of the leveling layer, so that the better anti-overflow effect can be obtained, and the use influence caused by the overhigh threshold can be avoided.

Before leveling construction, alunite expanded cement mortar is used for making ash cakes on a filling layer structure according to the elevation of a wall surface elastic line, and leveling layer cement mortar is also required to be stirred and made according to a certain proportion; when the ash cake is well made and water is not collected to cause depression, uniformly sweeping plain cement mortar on the filling layer structure once, and paving leveling layer cement mortar while sweeping, wherein the thickness of the leveling layer cement mortar is paved according to the thickness of the attached ash cake; spreading leveling layer cement mortar, then using an aluminum alloy bar to press the height of the ash cake, leveling the leveling layer cement mortar, rubbing and compacting by using a wood trowel, eliminating sand holes, foot marks and the like, and then using a guiding rule to check the flatness; after the leveling layer cement mortar receives water, an iron trowel is used for leveling and compacting for the first time until the mortar starts to be spread. Furthermore, the cured mortar also needs to be calendered and cured.

In addition, in this embodiment, the alunite expansive cement is used for leveling, so that cracking of concrete can be prevented or greatly reduced, the concrete has excellent concrete performance and higher strength, and the alunite expansive cement is ideal for shrinkage compensation and crack resistance and seepage prevention, reduces cracking of the base floor, and guarantees solidification of later-stage waterproof materials.

In addition, when the step S220 of performing the leveling and smoothing process on the filling layer structure using the expansive cement to form the leveling layer structure 300 is performed, the method includes the following steps:

a groove 700 is formed in the leveling layer structure 300, and the groove 700 is arranged on the inner side of the bathroom threshold in a surrounding mode and extends from the bathroom threshold to the bathroom floor drain 600. Namely, a U-shaped threshold groove 710 is formed at the threshold position of the toilet (i.e., the leveling threshold portion 320), and is defined around the periphery of the threshold position of the toilet facing the inside of the toilet, and the recess 700 may not be formed at the side of the threshold position of the toilet facing the outside of the toilet. Meanwhile, an auxiliary groove 720 communicated with the threshold groove 710 and the toilet floor drain 600 is further arranged, so that the whole groove 700 forms a Y-shaped structure. The size of the threshold groove 710 and the auxiliary groove 720 may be set to 2cm by 2cm (i.e., the groove depth is 2cm, and the groove width is also 2cm), and the groove depth may reach the thickness of the screed structure. Moreover, the grooves 700 may be formed separately during construction to form the screed structure 300, or may be formed in the screed structure 300 after the screed structure 300 is constructed (as shown in fig. 2).

The groove 700 is filled with quick-acting plugging cement, namely after the construction of the leveling layer structure 300 is completed, the quick-acting plugging cement is filled into the threshold groove 710 and the auxiliary groove 720, the quick-acting plugging cement filled in the threshold groove 710 can realize waterproof strengthening on the inner side of the threshold, and the auxiliary groove 720 and the quick-acting plugging cement filled in the auxiliary groove 720 can process water to be drained to the floor drain, so that the water in the toilet can be further prevented from leaking out of the toilet through the threshold. Therefore, the later stage water leakage can be better prevented from permeating the threshold position, the water leakage is drained to the ground leakage position, and the indoor ground cannot be influenced. In addition, in this embodiment, the quick-acting plugging cement for filling the groove may also be the above-mentioned gold-water-tight cement.

Moreover, after "filling the groove 700 with quick-acting plugging cement", the method comprises the following steps:

the rectangular threshold body 500 is manufactured at the position of the bathroom threshold, the inner side of the threshold body 500 corresponds to the groove 700 which is arranged around the inner side of the bathroom threshold, so that the height of the threshold body 500 is at least 2cm, and the gradient difference is at least 5 mm. That is, the threshold body 500 is disposed at the position surrounded by the threshold groove 710, and the threshold body 500 is disposed on the leveling threshold portion 320. Moreover, the threshold body 500 can be made of mortar prepared from alunite expansion cement and fine sand, and the threshold body 500 is properly higher than the leveling layer threshold part by more than 2cm, so that water in a toilet can be effectively blocked. Meanwhile, the threshold body 500 is inclined and reduced from the outer side of the toilet to the inner side of the toilet to form a gradient difference of about 5mm, so that water liquid falling on the threshold body 500 can smoothly flow into the toilet, and the waterproof effect is good. In this embodiment, the height of the threshold body 500 is 2cm, and the gradient difference is 5mm, which is convenient for use.

In addition, when the step S300 of performing flexible waterproof construction on the screed-layer structure 300 and forming the flexible waterproof layer structure 400 on the screed-layer structure 300 is performed, the method includes the following steps:

s310, flexible waterproof paint is coated on the leveling layer structure 300, and a waterproof layer structure in the toilet is formed on the leveling layer structure 300. That is, the flexible waterproof layer 410 is formed on the floor of the toilet by brushing, and the floor in the toilet is reinforced for water resistance.

Further, the two-component flexible waterproof coating can be coated on the leveling layer structure 300 in the toilet for three times, and the toilet flexible waterproof layer main body 410 with the thickness of at least 1.5mm is formed on the leveling layer structure 300, so that a good flexible waterproof effect is realized.

And S320, brushing flexible waterproof paint on the ground outside the threshold of the toilet to form a waterproof layer structure outside the toilet, wherein the waterproof layer structure is connected with the waterproof layer structure inside the toilet into a whole. Namely, the floor outside the toilet adjacent to the floor inside the toilet is also coated to form the flexible waterproof layer extension part 420, so that the waterproof of the outdoor position adjacent to the toilet is strengthened, and the water in the toilet is further prevented from leaking outside the toilet.

Further, the ground outside the bathroom threshold can be coated with the two-component flexible waterproof coating for three times to form an at least 1.5 mm-thick bathroom outer waterproof layer structure (namely, the flexible waterproof layer extension part 420) which is connected with the bathroom inner waterproof layer structure into a whole, and the bathroom outer waterproof layer structure extends out of the bathroom by at least 30cm from the position of the bathroom threshold.

S330, brushing flexible waterproof paint on the wall of the toilet to form a waterproof layer structure of the wall of the toilet, which is connected with the waterproof layer structure in the toilet into a whole. Namely, the wall surface in the toilet is coated with paint to form a waterproof layer structure, and the wall of the toilet is reinforced in waterproof.

Furthermore, the wall of the toilet can be coated and brushed with the double-component flexible waterproof coating for three times to form a waterproof layer structure of the toilet wall which is connected with the waterproof layer structure (namely the flexible waterproof layer main body 410) in the toilet and is at least 1.5mm thick, and the waterproof layer structure of the toilet wall extends from the plane of the leveling layer structure to the upper part of the wall for at least 1.8 m.

Further, after the above construction of the flexible waterproof coating material is completed, a water shut-off test may be performed for 48 hours. In addition, in this embodiment, the two-component flexible waterproof coating material can be a two-component flexible waterproof coating material of the "eastern rainfly" brand, so as to achieve a good flexible waterproof effect. Moreover, the double-component flexible waterproof coating can be a universal waterproof material or a flexible waterproof material. The general waterproof material is a two-component waterproof material formed by combining a liquid material consisting of acrylic emulsion and an auxiliary agent and a powder material consisting of special cement, graded sand and special mineral powder according to a specific proportion, and the two materials are mixed and then subjected to chemical reaction, so that a surface coating is formed to be waterproof, and crystals can permeate into a substrate to prevent water from passing through, and a double waterproof effect is achieved; in addition, the flexible waterproof material is a double-component, tough plastic modified polymer cement-based waterproof slurry which is prepared from acrylic emulsion, a selected auxiliary agent (liquid material), high-quality cement, mixed sand and rubber powder (powder material) in proportion, the powder material and the liquid material are mixed and then coated to form a tough high-elasticity waterproof film, and the firm high-elasticity waterproof film has good adhesion to concrete and cement mortar and is firmly combined with a base surface, so that a good waterproof effect is achieved, and the flexible waterproof material is outstanding in flexibility and can resist slight vibration and displacement to a certain degree.

The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.