Yes, you can have too much of a good thing. Sealcoat is one of them.
On one hand, sealcoating is necessary for sealing cracks in asphalt pavement. It also helps increase its lifespan and reduce long-term maintenance. And, a fresh sealcoat application just helps any road or parking lot look great.
All of this makes sealcoating a necessary part of your asphalt’s lifespan.