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FOR APARTMENT, 4PART TECHNOLOGY, 4ADVANTAGE

Underground Parking Waterproofing

4A SYSTEM
Specializing in the research and development

of smart patented technology for apartment painting and waterproofing

Underground Parking Waterproofing

How to identify and repair leak path cracks in concrete structures

A method that can repair both wet cracks that normally leak from the surface of concrete structures such as underground structures in buildings and concrete tanks, and internal cracks formed inside concrete structures by injecting an alkaline solution into dry cracks that normally do not leak.


Patent certificate

[ Features ]

- Determine where and how the leak is coming from

- Identify leak paths Alkaline solution self- heals micro-pores and cracks (cures in micro-pores)

- Concrete strength can be restored, and a passivating film can be formed on rebar inside the structure to prevent rusting.

[ Patent No. 10-2032093 ] Method for identifying and repairing leakage path cracks in concrete structures

[ Procedure ] 

1. if there is a crack in the suspected leakage path, drill a hole in the diagonal direction. 2. 

2. Inject a low viscosity alkali solution that is more dilute than water so that the solution enters the leakage path, and the solution drips like a leak through the leakage. 

3. For large cracks and concrete voids, acrylic injection + microcement injection is used. (For large gaps, elastic waterproofing material and microcement, a cement-like component, are injected.) 

4. For small cracks, epoxy and urethane resin-based waterproofing materials are injected. (Acrylic waterproofing materials or microcement are not injected for small cracks due to particles and viscosity.) 

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COMPANY

4A SYSTEM, Inc.  |  CEO . Sojung Kim 

BRN . 163-87-02106 

ADRESS . (22744) 133, Hodusan-ro, Seo-gu, Incheon, Republic of Korea  

E-MAIL .  jeillwnp@hanmail.net

ACC . IBK Industrial Bank of Korea  491-072485-04-010 

OFFICE CENTER

TEL . 032-937-7496 |  FAX . 032-937-7497

Business Hours: Mon–Fri 09:00–18:00 | Lunch Break: 12:00–13:00 | Closed: Sat, Sun & Public Holidays 

Copyright ⓒ 4A Systems, Inc. All Rights Reserved.

Terms & Conditions  I  Privacy Policy 

COMPANY

4A SYSTEM, Inc. | CEO . Sojung Kim 

BRN . 163-87-02106 

ADRESS . (22744) 133, Hodusan-ro, Seo-gu, Incheon, Republic of Korea 

E-MAIL .  jeillwnp@hanmail.net

ACC . IBK Industrial Bank of Korea 491-072485-04-010 


OFFICE CENTER

TEL . 032-937-7496  I  FAX . 032-937-7497

Business Hours: Mon–Fri 09:00~18:00  I  Lunch Break 12:00~13:00

Closed: Sat, Sun & Public Holidays

Terms & Conditions  I  Privacy Policy

Copyright ⓒ 4A Systems, Inc. All Rights Reserved.