You must tell us what you are removing it FROM !
Lacquer thinner will remove it from most materials.
Remove the adhesive.
A good bug and tar remover should work fine Vegetable oil or WD40 work just fine for removing adhesives.
You just lay it on, then roll it.
Lets start with a better question.. it will all depend on whether it is: If it is brown if it is cream colored if it is black like tar answer that & we can help
FML!!! I HATE TaR
Goof off will usually remove most self-adhesive glues.
Black Knight roofing tar .
Put ice on it then try to peel the tar off
Tar can be separated from water with some products that are known to remove it. You cannot completely remove the residual tar chemicals from water without advanced filtration.
I wouldn't do it. Tar paper between subfloor and finish floor is a good technique, but gluing tiles directly to a tar paper surface is not a good idea.
Goof Off will remove that.