we'll produce a coal tar sealer. If they want an asphalt-based sealer we'll produce that for them." Manufacturers agree that the first thing contractors need to realize is that 100% asphalt-based ...

Lowis says Surface Coatings came close to running out of coal tar so ended up blending it with asphalt-based sealer for a period of time. That enabled them to provide material throughout the season.

If you have pets or children who like to draw on your asphalt driveway with chalk, avoid a coal tar sealant. There are ...