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Concrete Structure Leakage repair by PU Foam injection

 

 Leakage problems of concrete structure from any causes can be repair by special chemical called Polyurethane (PU) foam. The technic is use high pressure injection to fill in the chemical to leakage point. When the chemical react with moisture it will expand rapidly in the moisture void in concrete then block the water coming into the leakage point.

 

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