My upstairs neighbor (well she said her cat did it) spilled black paint on her deck/patio last summer. It dripped for 10 minutes down the side of my exterior wall of my unit (outside). It's spilled all over the light fixture and on the bricks. We've had power washers try and get it off, but they weren't able to clean it up. What are my options for cleaning this up? The condo association is responsible for the exterior of the building, but they are not too diligent about cleaning this up. I'm more concerned about the bricks. The glass/metal light fixture can be replaced. What are my options for getting this cleaned up correctly?
You might consider soda blasting. It's like sand blasting but uses industrial baking soda. One of the suggested uses is for removing graffiti from brick.