We can deep inject Polyurethane resin grouts through steel lances driven into structures and walls. These materials exhibit varying properties including expansion, void filling and structural capabilities depending on the situation. They are used to stabilise gravels, fill cracks, fill rubble filled walls.
These materials are an alternative to PFA grouts and have some significant advantages in that they cure instantly avoiding damage to structures, are waterproof, adhesive, insulating and structural if required and the method much more accurately focuses the placing of the material
PU Void grouting in combination with brick stitching and crack bonding can provide the answer to many structural property issues.