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Asphalt and tarmac are not the same thing. Traditional tarmac, short for tarmacadam, uses tar as a binder to hold crushed stone together. Asphalt uses bitumen—a byproduct of crude oil—to bind aggregate. Though tarmac was once a go-to for roads, asphalt has become the modern standard. And these days, most surfaces referred to as “tarmac” are actually asphalt. So, while the names may overlap, the key distinction lies in the binder—tar for tarmac and bitumen for asphalt.

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. 

Permeable paving is a good option for a lot of reasons. It can help prevent flooding, keeps harmful chemicals from polluting our water, and can divert water away from your home’s foundation. Plus, it can add a rustic aesthetic to your outdoor area, might prevent pests who breed in water, and may even qualify for tax rebates.

Three inches is a great thickness for a residential asphalt driveway that sees minimal to moderate traffic from cars, SUVs, and pickup trucks. However, a thicker driveway can better withstand the weight of a heavier vehicle, such as a trailer or a recreational vehicle. If you drive a heavy vehicle on a thin driveway, you risk cracking and damaging it.