How to Clean Cement Residue from a Car?
2 Answers
Cleaning cement residue from a car can be done using the following methods: 1. If the residue has been there for less than 12 hours, first wet and soak it with water, then use car wash soap and a towel to gently wash it off; 2. If it has been more than 12 hours, the cement will have hardened. You can purchase acidic solution from a pharmacy, dip a brush in it, and apply it to the cement. The acid will dissolve the cement, which can then be rinsed off with water; 3. Pour gasoline over the residue, wait for it to soften, and then manually remove the cement. This method is suitable for large areas; 4. Use a hair dryer to heat the affected area, and the cement will usually fall off on its own; 5. Spray white vinegar onto the cement using a spray bottle, wait for 3 to 5 minutes, and then scrape it off with a hard card. Afterward, clean the area with car wash soap where the vinegar was applied.
Last time I drove past a construction site, cement splashed onto my car door and really worried me. Once cement dries, it becomes as hard as stone, and if not treated immediately, it can scratch the paint. I first rinsed it with clean water to wet and soften the cement residue—never scrape it hard. Gently wipe with a soft cloth to avoid leaving marks. Warmer water works better, but be careful to avoid burns. For stubborn cement, I've tried soaking it with white vinegar or soapy water for a while, then using car cleaner as an aid. Usually, I avoid parking near construction areas, and during car washes, I check the body as a preventive measure. After cleaning, remember to wax to protect the paint and extend its lifespan. This is the lesson I learned from my mistake, shared to help others avoid trouble.