The shingles will roll up like a ball in front of the fork.
How to get tar off garage floor from shingle.
Scrape off as much excess tar as you can using a dull edged tool such as a paint stirring stick or a non serrated dull butter knife.
The tar will begin to loosen with repeated scrubbing.
Dab a small amount of acetone on a clean cloth and wipe starting from the edges of the stain and moving into the center to avoid spreading the mess even more.
The tar was stuck on the coatings and required some small targeted applications of the goof off and some very careful scraping with a knife.
Once this happens you can use a floor scraper to scrape it away wiping off the scraper periodically with a thick shop towel as needed.
Add more acid mixture if necessary.
Continue tearing off the shingles and underlayment until you reach the roof jacks then start over at the top of the roof.
Push the shingles down to the roof jacks.
Let it set on the tar for half an hour then scrape it up with a putty knife.
You can also use acetone to remove tar from laminated wood flooring.
Repeat the process and use hot soapy water and steel wool.
Remove shingles in a 2 to 3 ft wide section as you work down the roof.
The garage pictures show how evident the road tar was on top of the epoxy coatings.
Step 2 apply a thick layer of butter or mineral oil on the tar stain.
Any oil based product like wd40 baby oil or even cooking oil.