Posted by Kevin in Ohio [104.169.94.226] on Wednesday, December 02, 2015 at 08:04:17 :
In Reply to: Re: A great example why you epoxy first posted by Jeremy Horvath [76.237.94.92] on Wednesday, December 02, 2015 at 06:35:47 :
It also could have been from someone wet sanding the bondo. You NEVER want to do that as it will blister the paint in the same manner. I think that was more likely what happened.
You have to keep a sealer coat of primer above the filler and don't wet sand through it.