Driveway Sealcoating questions, answered by experts
Instead of a set number of types, asphalt comes in variations designed for different needs. Some are categorized by temperature—hot mix, warm mix, and cold mix. Others are sorted by composition, like dense-graded, gap-graded (such as Stone Matrix Asphalt), porous, and mastic asphalt. There are also modified versions with added compounds like polymers, rubber, or emulsions. Instead of focusing on a number, it may be more useful to understand how contractors customize asphalt for durability, climate, and traffic conditions.
The best ways to increase the lifespan of your driveway are to carry out proper maintenance and get repairs done quickly. First, reseal your driveway every one to three years to protect it from the elements. If you start to notice significant cracks, hire a professional to diagnose the problem before it gets more serious. You can also use sand instead of salt when de-icing your driveway (since salt is corrosive) and clean your driveway annually using a pressure washer to keep it in tip-top shape.
Regular sealing, drainage management, and debris removal help prevent asphalt deterioration, protecting and extending surface life.
You should contact your driveway installer before winterizing a newly installed driveway. Winterizing it before the asphalt or concrete has fully cured can damage the driveway. But in many cases, you don't need to winterize a newly installed driveway anyway since it's likely freshly sealed and won't have much damage yet.
Though they may look similar, tar and bitumen come from different sources. Bitumen is a petroleum product—extracted during crude oil refining—and is mostly made up of hydrocarbons. Tar comes from burning down organic materials like coal or wood. Bitumen is strictly oil-based, while tar is a mix of compounds from natural sources. Both are used as binders in paving; however, bitumen is the standard for today’s asphalt. Tar use has mostly faded out of road construction.
The Gregory, SD homeowners’ guide to driveway sealcoating
From average costs to expert advice, get all the answers you need to get your job done.
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