Remove Sap From Your Paint Before It's too Late

Tree sap, especially pine sap, sticks to cars. It’s a prominent issue around the West Michigan lakeshore. The worst part is you may have only days or even hours until the sap leaves a mark in the paint, and it usually doesn’t come out in a car wash!

In this article, we’ll discuss what sap does to car paint and windows and how detailers treat it.
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What Kinds of Trees Cause Sap to Fall On Your Car?
Pine sap is the most likely to crack your clear coating, but other trees produce sap, too:

• Walnut, maple, and birch trees produce the most sap. In fact, maple trees release both sap and tannins. Tannins bind to and dry out proteins.
• Oak and sycamore trees release both tannins and organic acid.
• Birch, cherry, and poplar trees release very sticky sap that hardens very quickly.
• Pine sap contains more resin, making it stickier.

What Does Tree Sap Look Like On a Car?
Tree sap looks like sticky amber dots on your hood, roof, or windshield. After a few days, the sap hardens and becomes difficult to remove. It will grab at your wash mitt or microfiber cloth.

Will Tree Sap Ruin Car Paint?
GP Mobile Car Wash & Detail states: “Older sap, especially after heat and sun exposure, can bond to the finish, stain the surface, and leave behind a dull mark even after the blob is gone.” Clear coat is very thin, so even a drop of sap can leave a mark. It's more noticeable on a black car.

Breaking Down the Chemistry
Tree sap damages car paint, trim, and windows with chemistry, heat, and time. Fresh sap contains sticky compounds like resins, sugars, and acids. UV exposure, heat, and oxygen cure, or harden, the resin, making the sap act more like glue than syrup.

According to GP Mobile Car Wash & Detail, “As the sap cures, it loses softness and grips the surface more tightly.” While the sap dries, it can contract. Clear coat already expands and contracts during daily heat cycles.

You can compare the sap to glue: Wiping away wet glue is easy, but dried glue clings, constricts the surface, and leaves residue behind.

The etching phase occurs when acidic compounds and prolonged contact leave a ring, dull spot, or discoloration on the vehicle's surface. At this point, a wash won’t suffice.

Remember that black or dark paint gets even hotter under the sun.

How Long Does it Take for Sap to Ruin Car Paint?
Tree sap doesn’t look dramatic in the way that bird droppings do. Many people think that they can wait until the weekend to take care of it, but delaying it will only cause trouble.

While fresh sap feels tacky and seems harmless, hardened sap, even if it looks small, could already be bonding to the finish. Many people don’t expect it, but once sap has etched into the paint, removal will leave a stain. It won’t wash off.

When the sap has hardened, DIY scrubbing is risky as the pressure may cause scratches. The safest strategy is to get a professional detail as soon as you find the sap. If you park under the hot sun, it’s even more urgent!

How Detailers Handle Tree Sap Removal
These are some of the materials detailers use to treat tree sap on cars:

• concrete or tree sap remover
• gloves
• microfiber towels
• warm water
• pH-balanced car wash soap

Detailers can remove sap, but they can also take preventive measures to protect your car's paint. They can apply a ceramic coating, which acts as a sacrificial layer that keeps sap and debris from getting into your clear coat.

The Six-Step Detailing Process
This is how detailers remove tree sap from the surface of a vehicle:

1. The detailer washes the vehicle to loosen debris and grime.
2. Then, they will soak a microfiber towel with concrete or tree sap remover and hold it on the sap spot for 30-60 seconds to soften the sap without scrubbing.
3. They will gently wipe the area and likely reapply the concrete or tree sap remover. They may have to repeat this process 2-3 times.
4. The detailer will lightly and repeatedly press the stubborn spots with the towel until the sap lifts completely.
5. Finally, they will rinse the vehicle with clean water.
6. To add protection, they will apply wax, sealant, or ceramic coating to the car paint.

What If the Etching Process Already Started?
After removing the sap, detailers will check whether it etched into the surface and left a mark. At this point, they will have to polish, wet sand, refinish, or repaint the area.

How Will Detailers Get the Sap Off of My Windows?
A detailer would use the same concrete or tree sap remover method on the windows, but they wouldn’t let it dry. Then they would use a plastic scraper or their fingernail to lift the residual sap with the soaked towel. Finally, they will utilize an ammonia-free glass cleaner.

Think of the sap as a ticking time bomb that will destroy your paint. Under the hot sun, the timer goes down even faster. If there is sap on your car, it needs to be removed ASAP, ideally the same day you found it. So, call Garza Detailing at 616-836-7465 or fill out our contact form to book an exterior detail immediately, and try not to park under pine trees if you can help it!