If you re not into expensive chemicals try wd 40.
Road tar removal from carpet.
Pour a small amount of rubbing alcohol onto your dry white cloth and start gently dabbing across the tar stain.
Leave for up to an hour then rinse with clean water and blot well.
To freeze the tar hold an ice cube against the stained area of carpet for at least a minute.
Spray on a little and wait a while.
However if the stain has set in you may have to repeat the process several times before you notice that the stain is fading.
Add more alcohol to your cloth as you move across the stain.
When the tar and stain are gone apply white foam shaving cream to the area and rub it into the carpet fibers.
If you re able to use this method to successfully remove tar from carpet place a dry paper towel directly onto the affected area.
Make sure to try it someplace inconspicuous in case it stains the carpet.
Freeze the tar place ice cubes into a plastic bag then place the bag on the stain to harden the tar.
A powerful way to remove fresh tar is to freeze and harden it so that it s easy to scrape off.
Freeze the tar using an ice cube.
Weigh down the paper towels and allow them to soak up any moisture from the carpet.
When the tar is hardened use a dull kitchen knife or the edge of a credit card to scrape away as much of the solid tar pieces as possible from the carpet fibers.
Tar removers can be purchased from home stores and auto supply stores.
After about a minute touch the tar and feel whether it has hardened.
Below are some cleaning methods you can try to remove tar stains from carpet.
Consider using rubbing alcohol to remove tar from carpet if it is a small stain.
Following the above mentioned steps should be a good start when wondering how to clean tar off carpet.
Blot and gently rub a little and the tar should come out of the rug.
If you don t have shaving foam you can use a foaming carpet cleaner instead sponge the area with water to rinse off the glycerin and shaving foam then blot the area dry with a towel.
Use a vacuum to capture every bit of the hardened tar.
One simple solution to removing tar stains from carpet is to saturate a cotton rag with water and dry cleaning solvent then blot at the affected area.