August 21, 2025

Concrete Driveway Expansion Joint Sealant

Thu Aug 21 16:18:06 EDT 2025

Here are the tools and sealant to caulk concrete driveway expansion joints to prevent erosion of the soil under the driveway. This is recommended for any concrete driveway that has a slope. Self leveling is ok even for some reasonable slope. If the slope is too steep the same product can be used in a non-leveling sku.

Light grinding of the expansion joint will clean out the dirt and bits of concrete. Cracks should be opened with a grinder also. Probably a narrower grinder blade would be appropriate.

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