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Driveway pavers are often worth the cost. Paver types like cobblestone, brick, and concrete are highly durable, and permeable paver options can be tremendously eco-friendly. While you may pay more for a paver driveway, you’ll see great returns from the increased curb appeal and low maintenance compared to other types of driveways.

The best material to put between pavers is polymeric sand. This sand contains silica and quartz, making it more durable than coarse or regular sand. It hardens after installation, so your pavers stay in place. Best of all, polymeric sand prevents weed growth in the gaps between pavers. You’ll have less maintenance to deal with once spring rolls around.

The layer of polymeric sand under the pavers plus the polymeric sand that gets swept into the joints between your pavers holds them in place in a few ways. For one, the gritty texture of the sand helps lock the pavers together. Polymeric sand also contains bonding agents that get activated by water. Polymeric sand will take between 24 and 48 hours to fully cure, so do not walk on your paver walkway before this time.

You can put pavers over concrete following a similar procedure as above, but there are a few additional risks you need to be aware of—like stability, drainage, and the patio’s thickness. Once you lay a paver patio over concrete, it will be nearly impossible to treat any issues that your concrete may face, like cracks or water pooling. So while you may save some time and money on concrete removal and site prep, it may cost you more in the long run.