Repair cracked or spalled concrete with DynaPatch from DynaFloor. This innovative 3-part epoxy kit includes resin, hardener and aggregate for fast, easy bonding to 1/64". DynaPatch sets ups in only 1 hour, is ready for foot traffic in 8 hours and can handle tow motor traffic in 12 hours. It's available in 2 and 5 gallon kits for your convenience.