A great read that This Old House wrote up years ago about Polygem's LCR Liquid Concrete Repair Kit, and helping the everday homeowner repair a foundation crack themself! https://www.thisoldhouse.com/how-to/fixing-cracks-concrete Tags: Crack PastesCrack RepairDispensing GunDIYEpoxyEpoxy InjectionFoundation Crack RepairIndustrialInjectionInjection PortsPolygenWaterproofing