How to Seal Concrete Driveway Cracks | DoItYourself.com
Step 2 - Seal Concrete Driveway Cracks. Apply concrete sealers. Choosing the right sealer depends on the size of the cracks. The different options for sealing hairline cracks are caulk, grout, vinyl patch, epoxy concrete patch, concrete paints, etc. Larger cracks can be sealed using all the above products except concrete paints.