Petra Rapid Patch is an advanced, high strength, fast curing, two-component polymer, concrete patching system. Formulated to quickly rebuild damaged control joints, spalled concrete and cracks even in low temperatures. Ultra low viscosity allows the material to flow and wick into very small cracks and cavities for a superior bond. Petra Rapid Patch is the product of choice when downtime is costly and quick return to service is critical. Repairs are ready to accept heavy traffic in 10-20 minutes.