Rain damage to acrylic metal primer

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mhylmz

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We got a surprise rain about 4 hours after I sprayed a bunch of metal posts and channels with one:

http://www.sherwin-williams.com/painting-contractors/products/catalog/pro-industrial-procryl-universal-acrylic-primer/

In the next morning, I can see bubbles appearing on some of the items I painted. Those definitely need scraping and re-priming. However, some of the items does not show bubbles under primer.

The question is whether to scrape the primer and re-prime all of it, or somehow check which ones actually need re-priming?
 

slownsteady

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The guy at the SW store can probably answer best, but i think you spot-sand and spot-prime the affected areas.
 
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