Hi -I am new here. The floors in my 1999 Montana are completely rotted and have to be replaced. Is there anyone who can give me step by step instructions. I have to do the work myself. I have never done anything like this so, please assume you are talking to an idiot that knows nothing. The simpler your instructions the better. If you have diagrams, drawing, pictures, that would be an added bonus. I am pretty desperate to get this done , so any help would be greatly appreciated