Q: Is it OK to Pour Concrete Over Asphalt?

• <div><p>You can pour concrete over asphalt if it&rsquo;s in good condition, thick, stable, and well-compacted. Concrete is more durable than asphalt and can extend the lifetime of your driveway without having to pay frequent <a href="https://www.angi.com/articles/asphalt-driveway-repair-cost.htm">asphalt driveway repair costs</a> or replace it completely. </p><p>But this is best reserved as a temporary solution based on budget restraints, as asphalt requires more frequent repairs and assessments than concrete. Once that concrete top is poured, it&rsquo;ll be harder to accurately understand what&rsquo;s happening beneath that layer, which could lead to more issues.</p></div>

Question 1

Is it worth it to build a cobblestone driveway?

Accepted Answer

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Cobblestone driveways can take a major hit on anyone's bank account, begging the question of whether it's worth it to build a cobblestone driveway. Some homeowners might prefer more affordable driveway materials like concrete or pavers, which can give a similar appearance to cobblestone without the high price tag.

Paving your driveway costs between $2,500 and $6,600, to put that in perspective. But for others, there’s nothing quite like the timeless look of cobblestone driveways.

Question 2

How fast does a milled asphalt driveway set?

Accepted Answer

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Your driveway contractor will probably recommend that you avoid driving on your new millings driveway for up to a week. Keeping pressure off the freshy applied millings will help the driveway to bind together. While the sun is helpful for binding millings, hotter weather can actually make the curing process take longer.

Question 3

Is it OK to Pour Concrete Over Asphalt?

Accepted Answer

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You can pour concrete over asphalt if it’s in good condition, thick, stable, and well-compacted. Concrete is more durable than asphalt and can extend the lifetime of your driveway without having to pay frequent asphalt driveway repair costs or replace it completely.

But this is best reserved as a temporary solution based on budget restraints, as asphalt requires more frequent repairs and assessments than concrete. Once that concrete top is poured, it’ll be harder to accurately understand what’s happening beneath that layer, which could lead to more issues.

Question 4

What’s the difference between asphalt and blacktop?

Accepted Answer

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While blacktop is a type of asphalt, the terms should not be used interchangeably, as not all asphalt qualifies as blacktop. The primary differences are in their composition, production process, and ideal applications. Blacktop contains more stone than other types of asphalt and is heated to a higher temperature during production—300°F or more—while hot-mix asphalt is heated to between 275°F and 300°F. The ratio of bitumen (a tar-like crude oil) is a key differentiator, though sources vary: some state blacktop has less bitumen, making it less durable, while others claim it has a higher ratio. Due to these differences, asphalt is generally more durable and better for high-traffic areas like highways and streets, while blacktop is more suitable for playgrounds and residential driveways. For a driveway project, it is best to consult a professional to determine the most appropriate material.

Question 5

Can I pave my own driveway?

Accepted Answer

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While paving a driveway is possible to do as a DIY project, we don’t recommend it. Hiring a driveway professional to pave it will ensure that your driveway looks neat and clean and lasts for years to come, and it will also prevent a weak driveway and, potentially, damage to your foundation. Paving a driveway requires heavy machinery, and while you can rent the equipment needed, operating it close to your garage slab or around your home’s foundation can crack it and lead to structural issues.