Epoxy dieback??

I

inspectorbob

Is this dieback? I strip-sanded some gelcoat baggage doors on an old motorhome, washed with Dawn, and left in the sun for several days. Saturday, I used SPI 700, and epoxied a couple hours later, using a wet coat of grey, mixed 1:1. I hit them with a second wet coat on Wednesday. I kept the panels in the garage until this this morning (Friday). I put them in the sun first thing today, and went to work. The primer had a smooth, glossy finish, and looked great when I left for work. When I got home tonight, I went to put the panels back in the garage, and found that there were a few dull areas (6-8" spots) scattered around the panels. It also looked like there may be a very slight blueish discoloration to the spots.

I was planning on blocking from here, and hitting it with a coat of 1:1:1 epoxy, then top coating, but after seeing the strange areas, I'm not sure what to do and would appreciate some feedback!

Thanks
 
Could be die back as sun drew out solvents and yes some spots can be Flatter if the area was sprayed lighter or heaver then other spots.

Your procedure was perfect, so don't worry about the gloss, just carry on.
 
Thanks, Barry!

Do you think one day in the sun (70-75 degrees) was enough before proceeding?

Bob
 
inspectorbob;20961 said:
Thanks, Barry!

Do you think one day in the sun (70-75 degrees) was enough before proceeding?

Bob
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Total over kill, carry on!
 
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