Do I have to use primer if painting over (with the same color) prior exterior water-based paint?
SAMPLE - ECOS Exterior Satin Wall Paint, Untinted
Paints & Primers
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Open Aug 05, 2020 - 06:24 AM
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Answer
Aug 09, 2020 - 05:02 AM
If you are using a water-based paint over another water-based paint it should bond well. This assumes, of course, that the surface is completely clean, dry, and not peeling or chipping. Using a primer helps to block stains, seals the surface and provides better adhesion. It is a safer bet if the surface is questionable.
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