Note who is a super helper with this article: Thomas Ennis / Coal Tar Free America (photo credit).
David Liebl, outreach education specialist with UW-Extension’s Solid and Hazardous Waste Education Center, says many companies that use the product have cut back, but continue to offer it because customers demand it.
“It’s a combination of aesthetics and the perception that the coal tar sealcoats are more durable, which in past years probably was true, but the asphalt emulsion alternatives have been dramatically improved in the last decade or so,” says Liebl.
Notice not better but improved. Please go back to being a nice activist Dr. Liebl.