I have spoken to the husband about it, and he deals with the same insurance people on a daily basis, as he's in the car body repair business.
He knows the person that is likely to come around, ironicaly.
I would agree with her in that there are some track marks which dont seem to want to disapear, and I have agreed to go along with it thus far.
I dont want to fall out with the family, so if I let the insurance company do their bit, and they tell her to wise up, then she cant really blame me.
How does that sound. It was a treatment risk, and I followed proper procedure for that particular carpet, with advice directly from Prochem technical support.