How long can I wait to paint after I prime?

Questions & Answers › Category: Paint Primers › How long can I wait to paint after I prime?
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Anonymous asked 9 years ago

I used latex Kilz primer on my aluminum siding a month ago. The weather is changing and I never got it painted. What will happen over the winter? I have Valspar paint for in the spring.

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Crowder Painting answered.

You have a max of 30 days to apply paint over primer. After this time the primer gets too hard and begins to oxidize. In the spring you will need to wash then reprime before applying your finish paint.