Stop in for a cup of coffee
It dries into a plastic film and easily comes off with water. Damp rag and wipe it off the letters then paint the letters and after it dries just wash the sign. Might want to try a test piece first.
Another idea Pete, this is fiberglass mold release that is a liquid that you spray on using a spray gun.
It dries into a plastic film and easily comes off with water. Damp rag and wipe it off the letters then paint the letters and after it dries just wash the sign. Might want to try a test piece first.