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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.

Wet cutting is usually the preferred method. It controls dust, which helps protect your lungs and makes for a cleaner working environment. Plus, the water cools the blade, preventing overheating and prolonging its life while providing smoother, more precise cuts. The downside is the mess—water and asphalt sludge can be messy to clean. Dry cutting, though convenient if water isn’t available, creates a lot of dust, which can be harmful. This also increases the risk of blade damage due to overheating. So, if you have the option, wet cutting is the better method for most asphalt jobs.

Even with regular maintenance, most driveways don’t last much longer than 30 years. Alligator cracking is a clear warning sign that your driveway’s foundation is failing, and cracks that are deep and wide can let water in, causing more damage. Standing water is another red flag. If your driveway doesn’t drain properly, it’s going to degrade slowly. Finally, if you’re seeing dips or uneven patches, that’s a sign the base layer or soil is shifting. If these issues pop up, it’s time to replace your driveway.

Concrete is typically the best material for a driveway if you’re looking for longevity, cost-effectiveness, and ease of maintenance. But, it’s not ideal for areas with annual freeze-frost cycles, nor is it the most attractive option—although you can get it stamped or painted. If your location is consistently below freezing, asphalt may be a better choice.