Other products, such as asphalt/coal tar blends, and material containing ceramics are also available, so sealcoating contractors have a variety of options to choose from if the coal tar they ...

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.

When it comes to finding the best driveway sealer ... is coal tar sealant. Coal tar is a carcinogen and not good for the ...