If the above mentioned method is not successfully removing the tar stain from your carpet try the following.
Tar on wool 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.
How to get tar out of a wool rug 1.
Test the cleaning solution on a small inconspicuous section of carpet.
Spray the stained area with a dry cleaning solvent or general purpose solvent meant to remove sticky adhesives.
Try not to be too rough as you scrape as this can damage the carpet further.
If any of the tips below stain your light colored.
Prepare suggested cleaning solutions above beginning with the first one listed.
Carpet tar that has hardened may need softening first with a solution made up of equal parts of water and glycerine.
Let the tar stain sit for 1 minute.
Don t rub rubbing just gets the offending agent spread around.
Use a vacuum to capture every bit of the hardened tar.
After you have finished freezing the tar use a butter knife or spoon to scrape up any tar that may have hardened into the fibers of the carpet.
This is an effective method for removing difficult and stubborn tar grease and oil based spots from your carpets and rugs by http www procleaner biz.
Leave for up to an hour then rinse with clean water and blot well.
Blot the moistened area.
Moisten the affected area of the carpet with 3 hydrogen peroxide.
Apply a few paper towels.
Wet a cloth with a liberal amount of wd 40 and lay the cloth directly over the tar stain for at least 10 minutes.
Use a dry cloth to blot up the stain and the wd 40.
Because the tar has frozen the tar should come off in crumbles.
Scrape the tar from the wool fibers with a dull kitchen knife a wood craft stick or some other easy to clean or.
Get a kitchen knife or putty knife and scrape up the rest.
Once you remove the stain use a small amount of dishwashing liquid and water to remove the wd 40 from your carpet.
Blot with a paper towel to absorb any remaining stain.
Scrape up any hardened tar with a butter knife or spoon.
Freeze the tar place ice cubes into a plastic bag then place the bag on the stain to harden the tar.