I have read that vinyl-based paints suffer some degradation when subjected to variable and harsh atmospheric conditions, and that they perform overall worse than acrylic-based paints. However, I couldn’t find any information about works that are only meant to be kept inside. Would there be any significant difference? As an additional question, would applying a layer of acrylic medium over the vinyl paint add some protection?
Hi –
You question was passed along to me and I would be happy to gather some information for you. To do so I want to be able to touch base with our chemists and formulators in our Lab, so the earliest I can post that would be Monday. So hang tight – but promise will get you what information I can.
Just wanted to follow-up. We are still waiting to hear back from some sources we reached out to, to see if we can get some good references to point you towards. In the meantime, however, see my reply to this similar question where I think I address many of your concerns:
Vinyl as a Binder
As for the question of whether adding a layer of acrylic would help, in general we would say yes but keep in mind that it could also impact the aesthetics of the piece, and so some testing would be in order to make sure you liked the results. The acrylic would add greater physical durability and chemical resistance, and if you followed that with a UV protective varnish, you would certainly be covering most of the usual routes of concern with vinyls.
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