First few minutes
Just happened? Do this first
- Freeze the gum with an ice cube until it's hard.
- Scrape it off with a plastic spoon or the edge of a plastic credit card, not a sharp tool.
- If it won't lift, freeze it again instead of pushing harder.
- Rinse the spot with a garden hose once the gum is gone.
Chewing gum on siding sits on the surface instead of soaking in, so you're dealing with a sticky layer more than a stain that has gone into the material. Hardening it first is what lets it lift off cleanly without smearing. Vinyl, fiber cement and weathered wood each handle pressure and cleaners differently, so the material you're standing in front of should set how hard you push.
Use a plastic scraper and let the cold do the work rather than prying hard at the edge. Gum on the exterior of a house usually lifts in pieces, so take them off one at a time. If a sticky film stays after the adhesive remover, test a small patch first so you don't leave a dull ring.
Before you start
What siding, roof & exterior can take
Safe to use2
- Water
- Oxygen bleach
Use with care5
- Soaking
- Chlorine bleach
- Solvents (alcohol, spot removers)
- Acids (vinegar, lemon)
- Scrubbing and abrasives
8 items
What you'll need
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- Ice cubesHardens the gum so it breaks off instead of smearing.
- Plastic spoon or plastic credit cardLifts brittle gum without gouging the siding.
- Mild dish detergent and waterCleans the film that is left once the gum is gone. (opens Amazon)
- Soft brush or clothCleans vinyl and fiber cement without marking the surface. (opens Amazon)
- Stiff synthetic-bristle brushFor painted or bare wood, scrubbed along the grain. (opens Amazon)
- Garden hoseRinses the spot completely.
- Dry-cleaning-type spot removerFor a greasy film left on painted wood or fiber cement after a pretest. (opens Amazon)
- A clean white cloth (opens Amazon)
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6 steps
Step by step
Step 1 of 6
Freeze the gum solid
Hold an ice cube on the gum until it is hard or frozen. Keep the ice on the spot until the gum feels brittle, since that is when it will lift.
Step 2 of 6
Scrape off the brittle gum
Lift the gum with a plastic spoon, the blade of a table knife or the edge of a plastic credit card, working along the grain on wood. If it won't come away easily, freeze it again rather than pushing harder.
Careful. Don't gouge the siding with a sharp or hard-edged scraper.
Step 3 of 6
Test a hidden spot first
Before any cleaner touches the siding, try it on an inconspicuous area such as the back of a corner trim board or under a window ledge. Watch that spot for a change in color or finish before you go on.
Tip. Choose a spot that stays hidden when you're done.
Step 4 of 6
Wash with mild dish detergent
Rinse the spot with a garden hose, then scrub it with mild dish detergent in water and a soft brush. On painted or bare wood, use a stiff synthetic-bristle brush along the grain instead.
Step 5 of 6
Rinse until no soap is left
Rinse the spot thoroughly with the hose until no soap or film remains. Don't stop partway through, because leftover soap leaves its own residue on the siding.
Careful. Don't let the cleaner or soap dry on the siding.
Step 6 of 6
Check and treat any film
Look at the spot in daylight once it is dry. If a greasy film is left, use the pretested dab from the set-in section on painted wood or fiber cement; on vinyl, repeat the wash instead.
Tip. Work in a ventilated area with no open flame, and dab the solvent on a cloth rather than pouring it on.
If you'd rather buy than mix
Best products for chewing gum on siding, roof & exterior
Choose a dry-cleaning-type spot remover for the film step, and a mild dish detergent for the wash. Check the label for siding before you use it.
Goof Off Adhesive Gunk Remover Gel
How we picked these: each product is made for this type of stain, its maker doesn't warn against using it on siding, roof & exterior, and its directions fit the steps above.
Finished the steps? How does it look?
Nice work. Let it dry completely and check it again in good light. Here is what done looks like:
How to tell it's really gone →A faint mark usually needs one more round, not a stronger product.
If the stain was already dried or set, the method changes.
Old, dried or set-in stains →When to call a professional →How to tell it's working
The spot is clean when the gum is gone and the surface looks even, with no tacky, shiny or greasy patch. On painted siding, the color should match the area around the spot, with no dull ring where the gum sat.
What changes for yours
Adjust for your siding, roof & exterior
Vinyl siding
On vinyl, the freeze-and-scrape steps stay the same. The soap and water wash does the rest, so use a soft brush and skip the solvent entirely.
If a dull film is left after rinsing, repeat the wash instead of reaching for a stronger product. Test the soap in a hidden spot first, as with any cleaner.
Fiber cement siding
Fiber cement takes the same freeze, scrape and wash steps, but it needs the gentlest hand of any siding. Keep to a soft brush or cloth for the wash.
If a film lingers, repeat the wash and rinse well rather than scrubbing harder. Use the dry-cleaning-type spot remover only as the pretested dab described in the set-in section.
Painted wood siding
Painted wood takes the full wash, so the steps stay as written. Scrub along the grain with a stiff synthetic-bristle brush, which is firmer than the soft brush used on vinyl and fiber cement.
If you pressure wash, use the lowest pressure that cleans, a fan tip and spray along the grain. Save the solvent dab for a greasy film that the wash doesn't lift, and only after the hidden-spot test.
Bare or weathered wood siding
If the wood has grayed, the silver color is part of the wood, so leave those fibers alone and clean only the gum spot. Use the stiff synthetic brush along the grain and rinse well.
On bare wood, leave the solvent out; the freeze, scrape and wash are enough. If the scraper catches on soft grain, freeze the gum again instead of digging in.
Old, dried or set-in stains
Old gum that has hardened takes more freezing before it lifts, so give the ice more time and scrape slowly between rounds.
If a film remains on painted wood or fiber cement after the wash, a dry spotter can help: mix 1 part coconut or mineral oil with 8 parts dry-cleaning solvent, press it in under a damp pad, and check every 5 minutes. Stop once the film is gone, and don't keep going on a spot that isn't lifting.
Some faint shadow may remain on weathered or bare wood, and that is realistic. If the spot is still clearly visible on painted siding, stop and get it looked at rather than trying a stronger product.
Vinegar, baking soda, peroxide and more
Do home remedies work on chewing gum on siding, roof & exterior?
Most kitchen remedies don't belong on siding gum, so ice, a plastic scraper and a mild dish detergent wash do the job. Each remedy gets a yes or no for siding, with the reason.
Works1Skip5
What makes it worse
Mistakes to avoid
Don't pressure wash fiber cement
A high-pressure washer can damage the surface and finish of fiber cement siding, and a hard metal brush or abrasive sponge can do the same. Stick to a hose, a soft brush and mild detergent.
Don't use solvent on vinyl
Organic-solvent cleaners, undiluted chlorine bleach, liquid grease remover, nail polish remover and furniture polish all don't belong on vinyl. If a film is left, repeat the soap and water wash instead.
Don't use steel wool or wire brushes on wood
Leftover iron from steel wool or wire reacts with wood extractives and stains exterior boards. A stiff synthetic-bristle brush along the grain does the same cleaning job without the stain risk.
Don't use gasoline, lighter fluid or benzene
These are not solvent choices for siding, and benzene can ignite from a spark caused by friction or rubbing. Use only the dry-cleaning-type spot remover, as described in the steps.
When to call a professional
If the film is still there after the set-in steps, call a siding pro rather than trying a stronger product, since the wrong pressure or cleaner can damage siding and its finish. If the wood is older and might be treated with CCA, don't cut, sand or burn it, because sawdust and smoke can carry arsenic and replacement is the safer route.
Questions
How do I get gum off a car's exterior?
Harden the gum with ice, then lift it with a plastic scraper. Wash the spot with car wash soap rather than dish soap, which can harm car paint, and test any cleaner in a hidden spot first.
Is a plastic credit card really enough to scrape gum?
Yes, when the gum is frozen hard. A plastic card or spoon has an edge that lifts brittle gum, and if it won't come away, freezing it again works better than pressing harder.
What if the gum has been on the siding for weeks?
Older gum hardens more, so it needs longer with the ice and more rounds of scraping. Work slowly, and use the dry spotter only on painted wood or fiber cement after a pretest.
Can I use a pressure washer on wood siding?
Yes, on painted or bare wood, at the lowest pressure that cleans, with a fan tip and spray along the grain. Skip narrow-stream or rotating tips, and keep the washer off fiber cement.
What if I'm not sure what my siding is made of?
Use only the gentlest steps: ice, a plastic scraper, a soft brush and mild dish detergent in water. Test in a hidden spot first, and skip solvents, bleach and pressure washing until you know the material.
Can I use bleach to clean the gum spot?
No. Bleach doesn't lift gum; it's a mildew treatment, so it isn't the right tool for this spot. Never mix it with ammonia or an ammonia-based cleaner, because that forms a toxic gas.
Chewing Gum on other materials
Other stains on siding, roof & exterior
Start from the bigger picture
How we know this
Every method, amount and warning here comes from university extension services, industry bodies and product makers. We read them, check every step for unsafe combinations and changed amounts, and write it up so you can follow it.