Gemini Constructions

Reverse PU Foam injection grouting-Low viscous, Single Component, hydrophobic, MDI-based, polyurethane injection resin without catalyst. It only reacts with water and forms a Flexible Polyurethane Foam. This product can be injected pure directly into a leaking crack, fracture or joint. After injection has taken place, the will foam to expand and fill the void, forming a tight, impermeable elastomeric seal, stopping the water flow.