Any time you have a property with an asphalt-coated space, you need to maintain that asphalt in good condition. That means protecting it from damage as best you can. Your asphalt contractor may recommend that you consider sealcoating that asphalt. When you're considering that recommendation, you might wonder if it's really worth the investment or what you can expect from the process. Here are a few things you should know about asphalt sealcoating as you make your decision.