Proven Method: How to Get Tar Out of Refrigerator

Immediate Action (first 5 minutes)

Last July, my brother-in-law stored a half-empty bucket of Henry 208 Rubberized Wet Patch roof cement in my garage beverage fridge. It tipped over during a minor earthquake tremor. I walked in to find a thick, black, sticky nightmare coating the bottom shelf and dripping onto the crisper drawers. If you are staring at a similar disaster right now, don't panic. Your first five minutes dictate whether this is a 20-minute cleanup or a ruined appliance.

First, leave the fridge plugged in. Keep the temperature dial at its coldest setting, usually around 34°F. Tar is a petroleum-based hydrocarbon. Heat makes it melt, turning it into a thin liquid that seeps deep into the microscopic pores of your fridge's HIPS (High Impact Polystyrene) plastic lining. Cold keeps it brittle.

Second, grab a dull plastic card or a silicone spatula. Scoop up the bulk of the thick tar blobs. Drop them directly into a heavy-duty trash bag. Do not wipe the smear with a paper towel. Wiping friction generates heat. That heat pushes the black pigment permanently into the white plastic texture. Just scoop the heavy chunks and stop.

What You'll Need (tools/products)

I've tested dozens of solvents on appliance plastics over my 12 years of cleaning homes. Fridge liners are notoriously delicate. Acetone will melt the plastic instantly. You need solvents that break down petroleum bonds without dissolving polystyrene. Here is my exact toolkit for this job.

Product	Purpose	Price Range	Plastic Safety
Scraperite Plastic Razor Blade	Lifting bulk tar without gouging	$15-25	Excellent
Goo Gone Original (Citrus)	Breaking down petroleum bonds	$6-10	Very Good
91% Isopropyl Alcohol	Removing oily solvent residue	$4-6	Good (Quick wipe)
Dawn Ultra Dish Soap	Final degreasing and washing	$3-5	Excellent

The Scraperite blades are fantastic. They cost about $15-25 for a starter kit, but they won't gouge the 2mm thick liner of your fridge. Goo Gone is a citrus-based solvent that is generally safe for HIPS plastic, provided you don't let it sit for hours. The 91% isopropyl alcohol is strictly for cutting the final oily residue left behind by the citrus cleaner. Finally, Dawn Ultra lifts the remaining solvent so your fridge doesn't smell like an orange grove.

Step-by-Step Removal

I'll be honest, this takes elbow grease. Tar is stubborn, and fridge plastic is textured. Follow these exact steps to pull the stain out without scratching the surface.

Step 1: The Cold Scrape

Keep the fridge running at 34°F. Take your Scraperite plastic blade and hold it at a strict 45-degree angle. Push gently under the edges of the remaining tar smears. The cold temperature makes the tar snap off in little flakes rather than stretching like bubblegum. Sweep these flakes into your trash bag. Repeat this until only a thin, dark shadow remains on the plastic.

Step 2: The Citrus Soak

Apply a generous layer of Goo Gone Original directly onto the remaining tar shadow. Do not rub it in yet. Let it sit for exactly 4 minutes. The d-limonene in the citrus solvent needs this time to penetrate the petroleum bonds. If you are cleaning the rubber door gasket, apply it with a Q-tip to avoid saturating the rubber hinge.

Step 3: The Agitation

After 4 minutes, take a clean microfiber cloth. Rub the area in tight, circular motions. You will see the black tar transferring onto the cloth. Flip to a clean side of the cloth frequently. If the tar is heavily embedded in the plastic's texture, use a soft-bristled toothbrush to work the solvent into the microscopic grooves.

Step 4: The Alcohol Polish

Goo Gone leaves a greasy, orange-scented film. Dampen a fresh paper towel with 91% isopropyl alcohol. Wipe the cleaned area briskly. The alcohol evaporates in seconds, taking the oily citrus residue with it. This step is crucial because leftover oil will attract dust and dirt over the next few weeks.

Step 5: The Soap Wash

Mix one tablespoon of Dawn Ultra into a bowl of warm water. Wash the entire shelf or drawer with a sponge. Rinse it thoroughly with a damp cloth. Dry it completely with a dry towel before putting your food or beverages back inside.

Alternative Methods

Sometimes you don't have commercial solvents on hand. If you are dealing with a late-night spill and the hardware stores are closed, try these kitchen-based backups.

Method 1: The Peanut Butter Trick

Peanut butter is packed with natural oils that break down tar. Smear a thick layer of creamy peanut butter over the stain. Let it sit for 15 minutes. The lipids will soften the petroleum base. Wipe it away with a paper towel, then wash the area with Dawn dish soap to remove the peanut oil. This isn't the cheapest option, but it works in a pinch.

Method 2: Mayonnaise and Baking Soda Paste

Mix equal parts full-fat mayonnaise and baking soda to create a thick paste. Apply it to the tar stain and let it sit for 10 minutes. The mayo provides the oil to dissolve the tar, while the baking soda acts as a gentle, non-scratching abrasive. Scrub it gently with a damp sponge. This method is particularly useful if the tar has dried into a hard, crusty patch on the crisper drawer.

Prevention Tips

Dealing with tar is a headache you only want to experience once. If you use a garage fridge for storing DIY supplies, you need strict rules.

• Never store roofing or driveway materials in a beverage fridge. Temperature fluctuations cause buckets to expand, contract, and leak. Keep Henry 208 or driveway sealant in a detached shed.
• Line your shelves. I highly recommend buying 16x20 inch Gorilla Mats silicone shelf liners. They cost around $25 for a set. If a tar-covered tool or dirty work boot leaks, you just pull the mat out and hose it off in the driveway.
• Use a dedicated 'dirty' mini-fridge. If you frequently store mechanic parts or tar-stained geology samples, buy a cheap, used dorm fridge. Keep it completely separate from anything meant for human consumption.
• Bag your items. If you must put a tar-stained item in the main fridge to keep it cool, seal it inside a heavy-duty contractor bag first. Double-bag it for extra security.

FAQ

Will tar permanently stain the white plastic inside my fridge?

Tar contains strong petroleum dyes that can permanently tint porous plastics if left for several days. If you tackle the spill within the first 24 hours using a citrus solvent, you will likely save the bright white finish. However, old, baked-on tar might leave a faint yellow or brown shadow that requires a specialized plastic bleach.

Can I use acetone or nail polish remover on fridge tar stains?

You must never use acetone or standard nail polish remover on the interior lining of a refrigerator. These harsh chemicals instantly melt and cloud HIPS and ABS plastics, causing irreversible structural damage. Stick to citrus-based cleaners or mineral oils to protect your appliance's delicate surfaces.

How do I get the asphalt smell out of the fridge after cleaning?

Petroleum odors linger because microscopic tar particles remain trapped in the plastic pores. Place a shallow bowl containing one cup of baking soda and ten drops of pure vanilla extract on the middle shelf for 48 hours. The baking soda absorbs the volatile organic compounds while the vanilla neutralizes the remaining asphalt scent.

Is it safe to keep food in the fridge while cleaning tar out?

You should completely empty the refrigerator before attempting any tar removal. Solvents like Goo Gone and isopropyl alcohol emit strong fumes that can easily permeate uncovered foods and alter their taste. Always remove your groceries, clean the space, and air it out for at least two hours before restocking.