"Hamilton Audio" wrote in message
news:KPJRd.434317$6l.361177@pd7tw2no...
It seems I underestimated the size of cardboard I needed to do a light
painting job. I've now got a nice faint black outline of that piece on
the
garage floor.

I know it'll wear away naturally, but is there a faster/better way to do
it?
Some chemical and a power spray?

bmoney

a power washer might speed the process of removal