Injection grouting is used to prevent water seepage and fill cracks in concrete. It is also known as polyurethane grouting injection. It is a waterproofing technique.
Advantages of PU injection grouting:
It prevents water seepage.
It fills concrete cracks.
It strengthens the concrete structure.
It provides a permanent solution to water seepage and structural problems.
Where is PU injection grouting used:
Leaky walls
Roof seepage or inter-floor water seepage
Concrete cracks or expansion joints
Cracks caused by water seepage, structural movement or foundation subsidence