On Sun, 01 Apr 2012 19:03:36 +0100, Andy Burns wrote:

I thought a problem with them for this purpose is the pressure
can take the paint off.

Urban myth.

Tell that to the painted plastic bumper on a Mondeo I had!

Ditto bumper on an old car of mine.

Yep I know of two people who have stripped paint off their plastic
bumpers first outing with a new PW. Pencil jet and tyres aren't
supposed to be a good combination either.

--
Cheers
Dave.