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Old 09-14-2012, 06:13 AM
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Two heavy coats with SPi epoxy, sometimes overnight is not enough cure timejust wait another day but you'll know if its ready as soon as you start sanding it because it'll start to ball up on the paper but in the summer time two coats isnt much of a problem as far as overnite cure time goes.

Two coats reduced at 50% will be ready to paint within an hour.

heavy building with more than two coats will take a lot more time to cure but on a resto time isnt as important as it is in production work where you can pile up the 2k then sand the next day no matter what..So thats about the only draw back with spi epoxy but its so much better than 2k (mainly its highly resistant to chipping) its a fair trade off ,SPI sands really nice, not like all the other epoxies I've tried. with a little guide coat you can do a super straight job without any 2K at all, just epoxy and paint.
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