I have a 1950's brick rowhouse. The brick is not painted but the wiid trim around the windows is painted white. The previous owner painted this trip and did a sloppy job, allowing significant amounts of paint to drip and streak all over the brick window sill and the front of the house. They also repainted the wood plackard that holds the house numbers, and left a white outline of the plackard on the brick.
I am trying to remove this paint that is at least 4 years old - possibly way older. I have tried powerwashing, and using a paint thinner gel, and while those methods lightened the paint a little bit, they certainly didnt get rid of it.
Does anyone have any suggestions on how to get rid of the paint? Maybe I could use sandpaper to rub it off, though I do not want to damage the bridge because it is the front of the house.
Any suggestions would be greatly appreciated.