How to Remove Graffiti from Walls
Quick Answer
Test a solvent on a small area, apply to the graffiti, scrub with a stiff brush, and rinse with water, or paint over it.
How to troubleshoot How to Remove Graffiti from Walls
Graffiti can be removed from brick and painted surfaces. This guide covers pressure washing, chemical solvents, or painting over the graffiti.
Step-by-Step Fix
- Test a graffiti remover or rubbing alcohol on an inconspicuous area first to check for damage.
- Apply the solvent to the graffiti and let it sit for 10-15 minutes to soften the paint.
- Scrub the area with a stiff-bristled brush to lift the paint from the surface.
- Rinse the area with a pressure washer or garden hose to remove residue.
- If stains remain, apply a primer and repaint the area for a clean finish.
- For brick, use a poultice or commercial brick cleaner to draw out the stain.
Common Error Codes
| Code | Meaning | Resolution |
|---|---|---|
| Solvent damages surface | Too strong for the substrate | Use a milder cleaner or water-based paint remover. |
| Graffiti returns | Surface porous | Seal the surface with a graffiti-resistant coating. |
Frequently Asked Questions
Can I remove graffiti from brick without chemicals?
Pressure washing can remove some graffiti, but chemicals are often needed.
What is a poultice?
A paste-like cleaner that is applied to draw out stains from porous surfaces.