thanks for all the sound advice , its a bit out of my way , another county . i go there when i line up three jobs or so , which i can do at the moment , but probably not in the time frame the lady wants , if it was in my area i might even swing by and try a test area and revisit , i cant tell from the pics , i half thinking it might just wash out mostly , but then it look like a material that can go whiteish or loose colour even from acid treatments , so might never match if done . So , iv told her its really classed as damage and tricky to reverse ,but i probably can get a resonable result . if she wants to try the CD and see if hes free if she needs its quick , if not il get to it when im down ... see how it goes .