i was just wondering if i buy a big tub of that to do the back of my car would i be able to go stright over what iv done already with that??? or will i have to sand it all down then go over it ??? 
this is how it is now so would i be able to just buy some filler and bilk it out more ??
this is how it is now so would i be able to just buy some filler and bilk it out more ??
