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Britishautobody
Jedi Hopeful
Offline
I went over to a fellows home to estimate a repaint on a Mini project. This car was restored a couple of years ago,never assembled,and never wet. Now in areas where the body had metal parts in a 90 deg angle <body contour areas etc> there were various bubbles starting. This car was taken down to bare metal.
I have learned over the years if you are doing body work pay close attention to these spots when sanding, make sure to sand these spots very well or you may not have good mechanical adhesion. Another possibility is people load these spots up with material like primer or sealers and these products never dry properly in these areas before another top coating. It may also have something to do with the way materials flex in these areas, I am not totally sure. It doesn't have to be a full 90 either just two angles or contour areas that meet to form a subtle or defined line on the surface of the metal, hope this makes sense ;>)
I have learned over the years if you are doing body work pay close attention to these spots when sanding, make sure to sand these spots very well or you may not have good mechanical adhesion. Another possibility is people load these spots up with material like primer or sealers and these products never dry properly in these areas before another top coating. It may also have something to do with the way materials flex in these areas, I am not totally sure. It doesn't have to be a full 90 either just two angles or contour areas that meet to form a subtle or defined line on the surface of the metal, hope this makes sense ;>)
