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Reply to "1905 Photos"

The proper way is to apply over the steel. Why ? because the epoxy is flexible and doesnt allow the bond to be created and thats how cracking starts. There is a way to tell which is better and AUTOBODYSTORE.NET ran a test ....check it out... whats really unusual is that the body filler bonded to metal that was sanded with 120 grit paper better then the one that was sanded with I think 40 grit. Look at the test they ran. Applying Epoxy and Etching primer is great .. a real break thru in primers ... one of the old prducts that was around 20 years ago was Eliminator 1100 was the same principle .. it mostly prevents shrinkage that years ago might bleed thru after the paint job is complete.

There are body fillers that are fiberglass based that prevent cracking .. that should be the first layer which add strenght to the seam.

Just my experience.

Ron
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