Polyurethane (PU) Injection Grouting

Polyurethane (PU) injection grouting is a specialized technique used in construction and civil engineering to address and repair various types of concrete cracks, voids, and leaks. It involves the injection of a polyurethane-based resin or grout into the affected area under pressure, creating a strong and durable seal that effectively prevents water infiltration and strengthens the structure.
  • Water Resistance: It effectively seals and waterproofs the affected area, preventing further water infiltration and damage to the structure.
  • Expansion Properties: Polyurethane grout has the ability to expand and fill voids, ensuring comprehensive coverage and a strong bond within the cracks and crevices.
  • Quick Curing Time: It generally has a faster curing time compared to other grouting materials, allowing for quicker repairs and minimized downtime for the structure.
  • Flexibility: Polyurethane grout retains a degree of flexibility after curing, which enables it to accommodate minor structural movements without compromising its sealing and bonding properties.

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