Proven Way: How to Get Tar Out of Curtains Fast (2026)

By James Kowalski · December 22, 2025

Immediate Action (first 5 minutes)

Tar is an absolute nightmare on fabric. If you have kids who track mud and fresh driveway sealant everywhere, you already know the sheer panic of seeing black smears on your living room drapes. When my nephew ran inside after playing near a freshly paved road, he wiped his sticky hands right on my expensive linen curtains. I had exactly five minutes to act before the tar set permanently into the delicate fibers.

Stop right there. Don't touch it. Rubbing wet tar only pushes the sticky petroleum deeper into the fabric weave, making it nearly impossible to extract. You need to harden it immediately. Grab an ice pack. I usually keep a Therapear gel pack in my freezer for these exact emergencies, but a standard bag of frozen peas works perfectly fine too. Wrap your ice pack in a thin cotton towel to prevent water damage. Press it directly against the tar spot for 3 to 5 minutes. The cold drops the temperature of the tar below 40°F, making it brittle and fragile. Once it feels hard to the touch, you are ready for the next phase. If the tar is still gooey, give it another two minutes. Patience here saves hours of frustrating scrubbing later.

It is also worth noting the type of tar you are dealing with. Asphalt tar from a driveway is petroleum-based. Pine tar from a nearby tree is resin-based. This guide focuses heavily on petroleum tar, which is what 90% of homeowners deal with during spring and summer construction seasons.

What You'll Need (tools/products)

I've tested dozens of solvents over my 12 years of cleaning homes professionally. Tar requires a very specific chemical breakdown because it is heavily petroleum-based. Water and standard laundry detergent simply won't cut it. You need a dedicated degreaser and a strong solvent. Here is my exact toolkit for tackling asphalt and roofing tar on window treatments.

Product	Brand/Model	Price Range	Why I Use It
Citrus Solvent	Goo Gone Original	$8 - $12	Breaks down petroleum bonds safely on most cottons and linens.
Heavy Duty Degreaser	Dawn Platinum Powerwash	$5 - $7	Removes the oily residue left behind by the citrus solvent.
Blunt Scraper	OXO Good Grips Butter Knife	$6 - $9	Lifts frozen tar without slicing or snagging delicate curtain threads.
Microfiber Cloths	Mr. Siga Ultra Fine (Pack of 12)	$15 - $20	Absorbs dissolved tar efficiently without leaving annoying lint behind.

I'll be honest, buying all these from scratch isn't the cheapest option if your pantry is completely bare. However, you likely already own a butter knife and dish soap. The Goo Gone is the one non-negotiable item. It costs about ten bucks and will last you through at least thirty different stain emergencies around the house. Keep a dedicated set of microfiber cloths just for heavy stains. You definitely don't want to use your good glass-cleaning cloths for messy tar removal.

Always test your chosen solvent on a hidden hem first. I learned this the hard way after accidentally bleaching a spot on my own navy blue drapes with a harsh chemical years ago.

Step-by-Step Removal

Removing tar from hanging curtains is incredibly tricky. Gravity works against you, and the fabric shifts while you scrub. If possible, take the curtains down. If they are too heavy or the rods are stuck, lay a thick cardboard box flat behind the fabric to create a solid backing. Here is my proven 5-step process for saving your window treatments.

Step 1: Scrape the Frozen Tar

Take your OXO butter knife or a dull plastic spatula. Gently scrape the hardened tar. Work from the outside edges of the stain toward the center. This prevents the tar from spreading to clean fabric. You should see little black flakes falling off. Vacuum these flakes up immediately with a handheld vac like the Black+Decker Dustbuster. If you leave them on the floor, someone will inevitably step on them and track tar across your favorite rug.

Step 2: Apply the Citrus Solvent

Pour a small amount of Goo Gone directly onto a cotton swab or a folded microfiber cloth. Dab it onto the remaining tar stain. Don't pour the solvent directly on the curtain. You risk creating a massive, ugly water ring on delicate fabrics like silk or rayon. Let the solvent sit for exactly 10 minutes. The d-limonene in the citrus oil needs time to break the molecular bonds of the asphalt.

Step 3: Blot and Lift

After 10 minutes, take a clean, dry microfiber cloth. Press it firmly against the stain. Blot repeatedly. You will see the black tar transferring onto your cloth. Switch to a clean section of your cloth every few wipes. Never rub in circles. Rubbing frays the curtain fibers and pushes the dissolved tar deeper into the backing. Keep blotting until no more black residue transfers to the cloth. Throw the tar-stained cloths in a sealed plastic bag when finished. Don't just toss them in your regular trash can, as the solvent fumes can build up and become a fire hazard.

Step 4: Degrease the Spot

Goo Gone leaves a greasy, orange-smelling residue. If you skip this step, your curtain will attract dust like a magnet and look dingy within a week. Spray Dawn Platinum Powerwash directly onto the treated area. Let it sit for 5 minutes. The enzymes in the Dawn will emulsify the citrus oils. Wipe the area with a damp cloth rinsed in warm 80°F water. Repeat this rinsing process three times to ensure all soap is completely gone.

Step 5: Air Dry and Inspect

Do not put the curtains in a hot dryer. Heat will bake any microscopic tar remnants into the fabric permanently. Hang the curtains back up or lay them flat to air dry. Once dry, inspect the spot under bright light. If a faint shadow remains, repeat steps 2 through 4. I've had to repeat the solvent step twice on heavy roofing tar, so don't get discouraged if it takes a second round.

Alternative Methods

Sometimes you don't have Goo Gone under the sink. Or maybe your curtains are made of a weird synthetic blend that reacts poorly to citrus oils. When your landlord inspects next week and you need a reliable backup plan, try these three alternatives I keep in my cleaning arsenal.

Method 1: The Peanut Butter Trick

This sounds crazy, but it actually works. The natural oils in peanut butter break down petroleum. Use creamy peanut butter, not crunchy. Smear a thick layer over the tar spot. Let it sit for 15 minutes. Scrape it off with your dull knife. The tar will lift away with the peanut butter. You will still need to wash the spot with Dawn dish soap afterward to remove the peanut oil. I only use this on heavy canvas or cotton drop-cloth style curtains. It's far too messy for sheer fabrics.

Method 2: Isopropyl Alcohol for Synthetics

If your curtains are 100% polyester, rubbing alcohol is a total lifesaver. Pour 91% isopropyl alcohol onto a cotton ball. Dab the tar stain gently. The alcohol dissolves the tar almost instantly on synthetic fibers. Blot with a dry paper towel. Alcohol evaporates quickly, so you might need to reapply it two or three times. Test this on a hidden hem first. Alcohol can strip the dye from some cheap polyester blends, leaving you with a white spot.

Method 3: Carbona Stain Devils

For a commercial backup, I rely heavily on Carbona Stain Devils #3 (Grease & Oil). It costs about $7 at most grocery stores. Apply it exactly as directed on the small yellow bottle. It contains a mix of surfactants specifically formulated for hydrocarbon stains. It comes in a tiny 1.7 oz bottle, but you only need three or four drops per stain. It isn't as fast as pure Goo Gone, but it is much gentler on delicate linens and lace trims.

Prevention Tips

Stopping tar before it hits your fabric is always easier than scrubbing it out. I learned this the hard way after ruining a $120 set of velvet drapes during a neighborhood road project. Here are a few practical ways to keep your window treatments safe from unexpected messes.

Use Tie-Backs During Construction: If your street is being repaved or your roof is being replaced, tie your curtains back tightly. Keep them at least 12 inches away from open windows to prevent accidental brushing.
Install Window Screens: A tight-fitting mesh screen catches airborne tar droplets from roadwork. Clean the screen with a hose once the construction finishes to keep the view clear.
Enforce a "No Shoes" Rule: Tar often transfers from shoes to hands, and then to curtains when kids peek out the window. Keep a shoe rack by the front door to stop the spread.
Apply Fabric Protector: Spray Scotchgard Water and Sun Shield on your curtains once a year. It won't make them completely tar-proof, but it gives you an extra 10-minute window to wipe away spills before they soak in.
Close Up During Roofing: When a roofing contractor is tearing off old shingles, airborne tar is inevitable. I always close my windows and pull the blinds shut during roof replacements to block the debris.

FAQ

Can I use bleach to remove tar stains?

No, bleach will not dissolve petroleum-based tar. In fact, the harsh chemicals in chlorine bleach can actually cause the tar to bind tighter to natural fibers like cotton and linen. Stick to citrus solvents or alcohol, which are specifically designed to break down hydrocarbon chains without destroying your fabric's dye.

What if my curtains are labeled "dry clean only"?

If the tag says dry clean only, do not use water or Dawn dish soap on them. You can still use the ice pack to freeze and scrape off the bulk of the tar safely. After scraping, take the curtains to a professional dry cleaner and point out the exact spot so they can use industrial-grade perc solvents on it.

Will WD-40 ruin the fabric color?

WD-40 is fantastic at removing tar, but it leaves a massive, stubborn oil stain behind. I've seen it strip the color right out of cheap dyed polyesters during my testing. If you must use WD-40 in a pinch, spray it on a rag first, not directly on the curtain, and be prepared to do multiple heavy degreasing washes with Dawn afterward.

How long does this whole removal process take?

From the moment you grab the ice pack to the final air dry, expect the active process to take about 45 minutes. The actual hands-on scrubbing is only about 15 minutes of that time. The rest of the time is just waiting for the ice to freeze the tar and the solvent to break down the chemical bonds.