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Recycled asphalt is a durable choice for a driveway, but doesn’t have the same appearance and low maintenance as standard asphalt. For long driveways in rural communities, recycled asphalt can make a great choice. Recycled asphalt is 20% to 30% percent less expensive than standard asphalt and is better for the environment. 

You’ll first need to install a base underneath your pavers for extra stability and drainage. Otherwise, the pavers can sink into the ground, and you’ll have to reinstall them. Use a base gravel layer of 4 to 6 inches for walkways and 10 to 12 inches for driveways. Compact your gravel layer every 2 to 4 inches so it’s nice and solid. After you install your gravel base, apply a 1-inch layer of sand on top.

Yes, it is possible to pave over an existing driveway, but whether it's the right choice depends on several factors. If the underlying structure of your current driveway is still strong, concrete or asphalt resurfacing can be a cost-effective way to prolong its life. However, if your driveway has significant issues like potholes, deep cracks, or other inconsistencies, it is best to remove the old driveway and start from scratch. Key factors to consider include the current driveway's condition, the compatibility of the new material, the added thickness and height, and the necessary surface preparation.

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.