Would painting over interior paint with exterior paint on an outside wall hold up in the elements?
I was given the wrong paint while working on a project, and am now worried about the paint buckling because it is interior paint on an outside wall. Can I simply paint over it with exterior paint or would it still lead to buckling because of the binding in the interior paint?
Sorry to say but simply painting over the interior paint with an exterior paint will not work. The elements will break down the binding of the interior paint coating and start peeling or splitting both that coat and the exterior coat on top. How large was the area that you have to redo? The best thing is to remove the original layer of paint and re-paint. Unfortunately! You will be told that you can use other products or methods but none of them will work as well as stripping off that layer of interior paint.
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Sorry to say but simply painting over the interior paint with an exterior paint will not work. The elements will break down the binding of the interior paint coating and start peeling or splitting both that coat and the exterior coat on top. How large was the area that you have to redo? The best thing is to remove the original layer of paint and re-paint. Unfortunately! You will be told that you can use other products or methods but none of them will work as well as stripping off that layer of interior paint.
References :
Many years of professional painting experience, painting contractor.
http://www.thepaintprofessional.com
Unfortunally this was a bad mistake. To solve this you should remove the paint but this is very costly. The best thing you could do is coat this with 2 coats of high quality 100% acrylic paint(benjamin moore n103 series) This will create a barrier so the weather will not reach the substrate.
References :
over 20 years in the bussiness