Concrete Repair: Cracks, Spalling, and Sinking Slabs
5 min read·Updated July 7, 2026
Materials for common concrete repairs — hairline cracks, surface spalling, and settled slabs.
Match the repair to the damage
Hairline cracks (<¼"): polyurethane or vinyl concrete patcher Structural cracks (¼"–1"): epoxy injection kit or hydraulic cement Surface spalling: concrete resurfacer (Sika, Quikrete) Sinking slabs: mudjacking or polyurethane lift — hire this out
Materials
- Wire brush + shop vac for prep
- Concrete bonder (SBR latex)
- Polymer-modified patcher or resurfacer
- Curing compound or wet burlap for cure
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