Prevention and treatment method for root moisture regain of basement wall

By grooving, cleaning, grinding and repairing the basement walls, applying a waterproof layer, sealing the pores, applying waterproof putty, and adding drainage facilities, the problem of water seepage in the basement walls was solved, achieving more efficient waterproofing and sealing, and extending the moisture-proof effect.

CN121024213APending Publication Date: 2025-11-28MCC URBAN INVESTMENT HLDG CO LTD
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Patent Information

Application Number
CN202511122514.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-08-12
Publication Date
2025-11-28

AI Technical Summary

Technical Problem

Existing technologies for treating basement wall seepage are labor-intensive, complex, costly, and ineffective, with short-lived results.

Method used

An effective waterproof sealing system is formed by grooving, cleaning, grinding and repairing the basement wall base, applying a waterproof layer, sealing capillaries, applying waterproof putty, and adding drainage facilities, combined with the use of weather-resistant sealant and waterproof materials.

Benefits of technology

It improves the waterproofness and sealing of the wall, prolongs the moisture-proof effect, ensures that the wall is not prone to mold and peeling, and can quickly deal with water seepage problems, thus improving the overall application effect.

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Abstract

The invention discloses a prevention and treatment method for moisture regain of roots of basement walls, and belongs to the technical field of moisture regain prevention and treatment. According to the method, the grooving and sealant filling layer treatment process is carried out on the root of the wall, and then the wall surface is coated with the waterproof putty, so that the adhesion effect of the putty can be effectively improved, and the problems that the putty of the wall body mildews and falls off due to the fact that underground water flows upwards along the wall root of the basement wall body are effectively solved; meanwhile, before putty is brushed, construction of a waterproof layer and sealing of pores of the wall face are conducted on the wall body, the waterproof performance and the sealing performance of the whole wall face can be further improved through the operation, the more effective moisture-proof effect can be kept after putty is coated, meanwhile, a special drainage facility is further arranged, and if the situation of water seepage occurs in the follow-up process, the wall face can be well protected. And water seepage can be rapidly treated, a large amount of time is gained for wall repairing, and the actual application effect of the whole method is further improved.
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Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of moisture return prevention and treatment, and particularly relates to a method for preventing and treating moisture return at the root of a basement wall. BACKGROUND

[0002] Basement water seepage is a complex and common problem, and the problem has always been a heavy and difficult point in underground engineering. The water seepage problem seriously affects the principles of building safety, applicability, durability and the like. The wall body and the bottom plate of the basement are buried in the soil and are eroded by moisture or underground water for a long time. Underground water returns along the wall body to cause mold on the wall surface, and the decorative layer of the wall surface falls off. In severe cases, water enters the indoor space, affecting the normal use of the basement and the service life of the building. In order to treat the water seepage wall surface of the basement, a prevention and treatment method needs to be applied.

[0003] A basement water seepage backwater surface treatment method is disclosed in a Chinese patent (CN110195444A). The method includes treatment of the basement outer wall and the bottom plate, and specifically includes the following steps: removing the basement ground and wall surface to the structural layer by using a pneumatic pick or an electric pick; drying the structural surface after cleaning; observing the moisture return area and marking it; drilling along the seepage position by using an electric hammer and inserting the bottom of the high-pressure water stop needle into the hole bottom; using a high-pressure grouting machine to grout; ensuring that there is no seepage after grouting; performing wall surface waterproof construction; and performing bottom plate waterproof construction. The method uses defined technology to maintain the backwater surface, finds the seepage point, and effectively plugs the seepage point by using defined materials, greatly improves the maintenance efficiency, has good waterproof effect, has long service life, and the indicators of the treated wall surface or ground surface can meet the requirements. Although the current treatment method can solve certain water seepage problems, the work amount is extremely large, the operation is extremely complex, a large amount of cost is increased, the maintenance time is not long after treatment, and the actual application effect is poor. In order to solve the above problems, a method for preventing and treating moisture return at the root of a basement wall is urgently needed. SUMMARY

[0004] The purpose of the present application is to solve the problem that the current treatment method can solve certain water seepage problems, but the work amount is extremely large, the operation is extremely complex, a large amount of cost is increased, the maintenance time is not long after treatment, and the actual application effect is poor, and a method for preventing and treating moisture return at the root of a basement wall is provided.

[0005] In order to achieve the above purpose, the present application adopts the following technical scheme: a method for preventing and treating moisture return at the root of a basement wall, including the following steps:

[0006] S1, comprehensive inspection is performed.

[0007] S2, grooving is performed at the root of the basement wall.

[0008] S3, a blower is used to clean the grooving.

[0009] S4, polishing and repairing the wall root;

[0010] S5, waterproof layer construction for the wall;

[0011] S6, sealing the capillary hole of the wall surface and ground;

[0012] S7, filling the groove with weather-resistant sealant;

[0013] S8, brushing waterproof putty on the wall base plate;

[0014] S9, waiting for a period of time and then reapplying waterproof putty, and repeating the brushing several times;

[0015] S10, adding drainage facilities.

[0016] As a further description of the above technical solution:

[0017] In S1, a comprehensive inspection is carried out, carefully checking every area of the basement wall root, including the corners, cracks and parts in contact with the ground, and observing whether there is water seepage, dampness or mold phenomenon, and recording the inspection situation.

[0018] As a further description of the above technical solution:

[0019] In S2, a groove is cut at the root of the basement wall, and the specific steps are as follows: finding the position of the root of the basement wall, drawing two parallel horizontal lines for cutting with a level, using a marking device to mark according to the position of the horizontal line, and using a cutting device to cut a groove, the height of the horizontal groove is 10-15mm, the depth of the cutting is 15-20mm, and the height of the groove is 10-15mm above the finished surface of the basement floor.

[0020] As a further description of the above technical solution:

[0021] In S4, the wall root is polished and repaired, first find the cracks and hollow areas of the wall root, use a polisher to polish the above-mentioned areas, use a polymer putty material to level the above-mentioned treated areas, and brush anti-rust paint on the above-mentioned areas to enhance the durability and corrosion resistance of the wall surface.

[0022] As a further description of the above technical solution:

[0023] Among the 5, waterproof layer construction is carried out on the wall body, specifically, waterproof paint is brushed or waterproof roll material is laid at the root of the basement wall body to form a complete waterproof layer, the thickness of the waterproof layer is 80-100mm, wherein the waterproof paint uses a product with excellent waterproof performance and durability, the waterproof roll material uses a product with high strength, aging resistance, corrosion resistance and the like, the groove is filled with weather-resistant sealant, the filling is ensured to be dense and continuous, the filling is completed at one time, and the sealant protrudes 5-8mm from the wall surface.

[0024] As a further description of the above technical solution:

[0025] In the S6, the wall surface is sprayed with a moisture-proof material to close the capillary of the wall surface ground, and the waterproof material uses elastic negative pressure drinking water polyurea.

[0026] As a further description of the above technical solution:

[0027] In the S7, the groove is filled with weather-resistant sealant to ensure that the filling is dense and continuous, the filling is completed at one time, and the sealant protrudes 5-8mm from the wall surface.

[0028] As a further description of the above technical solution:

[0029] In the S8, 500-600mm high external wall waterproof putty is brushed on the wall body bottom plate.

[0030] As a further description of the above technical solution:

[0031] In the S9, the waterproof putty is brushed again after waiting for 25-35min, and the brushing is cycled 3-5 times.

[0032] As a further description of the above technical solution:

[0033] In the S10, drainage facilities are additionally arranged, drainage pipes, drainage holes and the like drainage facilities are additionally arranged at the root of the basement wall body, the seeped water is drained in time, the drainage facilities are regularly checked to ensure that the drainage facilities are unobstructed, and the normal operation of the drainage system is ensured.

[0034] As described above, due to the adoption of the above technical solution, the beneficial effects of the present application are:

[0035] The method can effectively improve the adhesion effect of the putty, effectively solve the problem that the putty of the basement wall is mildewed and falls off due to the upward return of underground water along the wall root, and simultaneously, before the putty is brushed, the wall is subjected to waterproof layer construction and wall capillary hole sealing, the above operation can further improve the waterproofness and sealingness of the whole wall surface, can keep more effective moisture-proof effect after the putty is coated, and finally, special drainage facilities are arranged, so that if water seepage occurs subsequently, the water seepage can be quickly treated, a large amount of time is won for wall repair, and the practical application effect of the whole method is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0036] Figure 1 A flowchart of a method for preventing and treating basement wall root moisture return. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0038] Embodiment 1

[0039] Please refer to Figure 1 The present application provides a technical solution: a method for preventing and treating basement wall root moisture return, comprising the following steps:

[0040] S1, overall inspection is performed, each area of the basement wall root is carefully inspected, the inspection area includes a corner, a crack and a part in contact with the ground, and whether there is water seepage, moisture or mildew phenomenon is observed and the inspection condition is recorded.

[0041] S2, a groove is cut at the basement wall root, and the specific steps are as follows: the position of the basement wall root is found, double parallel horizontal lines for cutting are drawn by using a level, a line marking device is used to mark lines according to the position of the horizontal lines, and a cutting device is used to cut a groove, the height of the horizontal groove is 10 mm, the depth of the cutting is 15 mm, and the height of the groove is 10 mm above the finished surface of the basement floor;

[0042] S3, a blower is used to clean the groove;

[0043] S4. For the base of the wall, first find the cracks and hollow areas at the base of the wall, and use a grinder to grind the above areas. First, use polymer putty to level the above-treated areas, and then apply anti-rust paint to the above areas to enhance the durability and corrosion resistance of the wall.

[0044] S5. For the construction of the waterproof layer on the wall, specifically, apply waterproof coating or lay waterproof membrane at the base of the basement wall to form a complete waterproof layer with a thickness of 80mm. The waterproof coating should be a product with excellent waterproof performance and durability, and the waterproof membrane should be a product with high strength, aging resistance, and corrosion resistance. The groove should be filled with weather-resistant sealant to ensure that the filling is tight and continuous, and should be completed in one go without interruption. The sealant should protrude 5mm from the wall surface.

[0045] S6. Spray waterproof and moisture-proof materials onto the wall surface to seal the capillaries of the wall and floor. The waterproof material used is elastic negative pressure drinking water polyurea.

[0046] S7. Fill the groove with weather-resistant sealant, ensuring that the filling is tight and continuous. Fill the groove in one go without stopping in the middle. The sealant should protrude 5mm from the wall surface.

[0047] S8. Apply 500mm high waterproof putty to the base of the wall.

[0048] S9. After waiting for 25 minutes, reapply the waterproof putty, repeating the process 3 times.

[0049] S10. Install drainage facilities, such as drainage pipes and drainage holes, at the base of the basement walls to drain infiltrated water in a timely manner. Regularly check whether the drainage facilities are unobstructed to ensure the normal operation of the drainage system.

[0050] In this embodiment, the method involves setting up a groove cutting and sealant filling process for the wall base, and then applying waterproof putty to the wall surface. This effectively improves the adhesion of the putty and solves the problem of mold and peeling of wall putty caused by groundwater rising up along the wall base in basement walls.

[0051] Example 2

[0052] Please see Figure 1 This invention provides a technical solution: a method for preventing dampness at the base of basement walls, comprising the following steps:

[0053] S1. Conduct a comprehensive inspection, carefully examining every area at the base of the basement walls, including corners, cracks, and areas in contact with the ground. Observe for any signs of water seepage, dampness, or mold, and record the inspection findings.

[0054] S2. Cut grooves at the base of the basement wall. The specific steps are as follows: Locate the base of the basement wall, use a level to mark out double parallel horizontal lines for cutting, use a marking device to mark the lines according to the horizontal lines, and use a cutting device to cut grooves. The height of the horizontal groove is 13mm, the depth of the cut is 18mm, and the height of the groove is 12mm above the finished surface of the basement floor.

[0055] S3. Use a blower to clean the groove;

[0056] S4. For the base of the wall, first find the cracks and hollow areas at the base of the wall, and use a grinder to grind the above areas. First, use polymer putty to level the above-treated areas, and then apply anti-rust paint to the above areas to enhance the durability and corrosion resistance of the wall.

[0057] S5. For the construction of the waterproof layer on the wall, specifically, apply waterproof coating or lay waterproof membrane at the base of the basement wall to form a complete waterproof layer with a thickness of 90mm. The waterproof coating should be a product with excellent waterproof performance and durability, and the waterproof membrane should be a product with high strength, aging resistance, and corrosion resistance. The groove should be filled with weather-resistant sealant to ensure that the filling is tight and continuous, and should be completed in one go without interruption. The sealant should protrude 7mm from the wall surface.

[0058] S6. Spray waterproof and moisture-proof materials onto the wall surface to seal the capillaries of the wall and floor. The waterproof material used is elastic negative pressure drinking water polyurea.

[0059] S7. Fill the groove with weather-resistant sealant, ensuring that the filling is tight and continuous. Fill the groove in one go without stopping in the middle. The sealant should protrude 7mm from the wall surface.

[0060] S8. Apply 550mm high waterproof putty to the base of the wall.

[0061] S9. After waiting for 30 minutes, reapply the waterproof putty, repeating the process 4 times.

[0062] S10. Install drainage facilities, such as drainage pipes and drainage holes, at the base of the basement walls to drain infiltrated water in a timely manner. Regularly check whether the drainage facilities are unobstructed to ensure the normal operation of the drainage system.

[0063] In this embodiment, before applying the putty, a waterproof layer was applied to the wall and the wall pores were sealed. These operations can further improve the overall waterproofness and sealing of the wall, and maintain a more effective moisture-proof effect after the putty is applied.

[0064] Example 3

[0065] Please see Figure 1This invention provides a technical solution: a method for preventing dampness at the base of basement walls, comprising the following steps:

[0066] S1. Conduct a comprehensive inspection, carefully examining every area at the base of the basement walls, including corners, cracks, and areas in contact with the ground. Observe for any signs of water seepage, dampness, or mold, and record the inspection findings.

[0067] S2. Make a groove at the base of the basement wall. The specific steps are as follows: find the location of the basement wall, use a level to mark the double parallel horizontal lines for cutting, use a marking device to mark the line according to the horizontal line position, and use a cutting device to make a groove. The height of the horizontal groove is 15mm, the cutting depth is 20mm, and the groove height is 15mm above the finished surface of the basement floor.

[0068] S3. Use a blower to clean the groove;

[0069] S4. For the base of the wall, first find the cracks and hollow areas at the base of the wall, and use a grinder to grind the above areas. First, use polymer putty to level the above-treated areas, and then apply anti-rust paint to the above areas to enhance the durability and corrosion resistance of the wall.

[0070] S5. For the construction of a waterproof layer on the wall, specifically, apply waterproof coating or lay waterproof membrane at the base of the basement wall to form a complete waterproof layer with a thickness of 100mm. The waterproof coating should be a product with excellent waterproof performance and durability, and the waterproof membrane should be a product with high strength, aging resistance, and corrosion resistance. The groove should be filled with weather-resistant sealant to ensure that the filling is tight and continuous, and should be completed in one go without interruption. The sealant should protrude 8mm from the wall surface.

[0071] S6. Spray waterproof and moisture-proof materials onto the wall surface to seal the capillaries of the wall and floor. The waterproof material used is elastic negative pressure drinking water polyurea.

[0072] S7. Fill the groove with weather-resistant sealant, ensuring that the filling is tight and continuous. Fill the groove in one go without stopping in the middle. The sealant should protrude 8mm from the wall surface.

[0073] S8. Apply 600mm high waterproof putty to the base of the wall;

[0074] S9. After waiting for 35 minutes, reapply the waterproof putty, repeating the process 5 times.

[0075] S10. Install drainage facilities, such as drainage pipes and drainage holes, at the base of the basement walls to drain infiltrated water in a timely manner. Regularly check whether the drainage facilities are unobstructed to ensure the normal operation of the drainage system.

[0076] In this embodiment, the method is equipped with a dedicated drainage system, which can quickly deal with water seepage if it occurs later, giving the wall repair a lot of time and further improving the overall practical application effect of the method.

[0077] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A method for preventing dampness at the base of basement walls, characterized in that: Includes the following steps: S1. Conduct a comprehensive inspection; S2. Cut grooves at the base of the basement walls; S3. Use a blower to clean the groove; S4. Grind and repair the base of the wall; S5. Apply a waterproof layer to the wall. S6. Seal the capillaries in walls and floors; S7. Fill the groove with weather-resistant sealant; S8. Apply exterior waterproof putty to the base of the wall; S9. After waiting for a period of time, reapply the waterproof putty, repeating the process multiple times. S10. Add drainage facilities.

2. The method for preventing dampness at the base of basement walls according to claim 1, characterized in that, In step S1, a comprehensive inspection is conducted, carefully examining every area at the base of the basement walls. The inspection areas include corners, cracks, and parts in contact with the ground. Observe for any signs of water seepage, dampness, or mold, and record the inspection findings.

3. The method for preventing dampness at the base of basement walls according to claim 1, characterized in that, In step S2, a groove is cut at the base of the basement wall. The specific steps are as follows: locate the base of the basement wall, use a level to mark out double parallel horizontal lines for cutting, use a marking device to mark the horizontal lines according to their positions, and use a cutting device to cut the groove. The height of the horizontal groove is 10-15mm, the depth of the cut is 15-20mm, and the height of the groove is 10-15mm above the finished surface of the basement floor.

4. The method for preventing dampness at the base of basement walls according to claim 1, characterized in that, In step S4, the base of the wall is sanded and repaired. First, the cracks and hollow areas at the base of the wall are located, and the above-mentioned areas are sanded with a sander. Then, polymer putty is used to level the treated areas, and anti-rust paint is applied to the above-mentioned areas to enhance the durability and corrosion resistance of the wall surface.

5. A method for preventing dampness at the base of basement walls according to claim 1, characterized in that, In step S5, the waterproof layer construction for the wall is specifically carried out by applying waterproof coating or laying waterproof membrane at the base of the basement wall to form a complete waterproof layer with a thickness of 80-100mm. The waterproof coating is a product with excellent waterproof performance and durability, and the waterproof membrane is a product with high strength, aging resistance, and corrosion resistance. The groove is filled with weather-resistant sealant to ensure that the filling is dense and continuous, and is completed in one go without interruption. The sealant protrudes 5-8mm from the wall surface.

6. A method for preventing dampness at the base of basement walls according to claim 1, characterized in that, In step S6, a waterproof and moisture-proof material is sprayed onto the wall to seal the capillaries of the wall and floor. The waterproof material is an elastic negative pressure drinking water polyurea.

7. A method for preventing dampness at the base of basement walls according to claim 6, characterized in that, In step S7, the groove is filled with weather-resistant sealant to ensure that the filling is dense and continuous, and is completed in one go without interruption. The sealant protrudes 5-8mm from the wall surface.

8. A method for preventing dampness at the base of basement walls according to claim 7, characterized in that, In step S8, a 500-600mm high layer of exterior waterproof putty is applied to the base of the wall.

9. A method for preventing dampness at the base of basement walls according to claim 8, characterized in that, In step S9, wait 25-35 minutes and then reapply the waterproof putty, repeating the process 3-5 times.

10. A method for preventing dampness at the base of basement walls according to claim 9, characterized in that, In S10, drainage facilities are added, such as drainage pipes and drainage holes, at the base of the basement walls to drain infiltrated water in a timely manner. The drainage facilities are checked regularly to ensure that they are unobstructed and that the drainage system is operating normally.

Citation Information

Patent Citations

  • Basement leakage water back face treatment method

    CN110195444A