Tar is sticky, black and full of pigment, which makes it one of the scariest carpet stains. But it also responds well to the right solvent — if you work slowly and do not rub.
First: remove the solid chunks
Let any soft tar harden with an ice pack, then chip off the solid pieces with a dull knife. Vacuum the crumbs. Everything remaining is a film in the fiber itself.
Solvent and blot method
- Work from the outside of the stain toward the center.
- Apply a small amount of rubbing alcohol, mineral spirits or a citrus-based solvent to a white cloth — never directly onto the carpet.
- Blot; the tar transfers to the cloth. Move to a clean section frequently.
- Follow with dish soap and water to lift solvent residue, then blot with plain water.
When to stop
If you see the carpet's own color coming up on your towel, stop immediately — the solvent is pulling dye, not tar. Solvents can also loosen carpet adhesive at the backing, so keep quantities small. Deep or old tar stains usually need professional solvent extraction and rinsing.
Common questions
Will tar come out completely?
Fresh surface tar usually does. Tar that has been walked in and ground into the pile for weeks may leave a shadow even after professional treatment.
Can I use WD-40 on tar?
It can help loosen tar, but it leaves an oil residue that attracts soil and may need its own cleaning afterward. Use it sparingly and rinse well.
Want this handled by a pro?
Berber Carpet & Upholstery Cleaning serves Ventura County — free quotes, 24/7.