Q: I am having a new driveway installed and would like to re-use the Belgium blocks that run down the sides of my existing driveway. Do you have any suggestions as to how to remove tar and driveway ...

Q. Is there a test to check if I have coal tar sealant on my driveway? A. A definitive test is expensive, but officials in Austin, Texas, came up with an alternative. Use a screwdriver or razor blade ...