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Grass pavers are suitable for heavy foot or vehicle traffic, but they’re not as resistant as concrete or asphalt pavers.

When asphalt cures, it typically changes from a very dark black hue to a lighter, more matte gray color. Cured asphalt also won’t be tacky or sticky to the touch or emit any odors from the asphalt mix. Additionally, the surface of fully cured asphalt won’t deform under any pressure.

The lifespan of pavers varies based on many factors. Material is the key component, with concrete, stone, and brick pavers lasting up to 100 years, while clay pavers usually only last around 25 years. To maximize your pavers’ lifespan, you should keep your paver patio or walkway clean, add sealant every few years, and keep the joints sealed with polymeric sand as needed.

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.