It will not stick very well unless you use a primer in between.
Can I paint semi gloss over flat paint? Thanks!Barbara Phillips
Yes, you can. You can always paint over with same paint.
Yes. You can paint semi-gloss latex paint over flat latex paint. It is not advised to paint over any latex with any oil-based paint. Nor is it advised to try and paint over semi-gloss paint with any other finish without first de-glossing the finish and priming.
Yes.
no
As long as they are the same base you can do that.
You can just paint over the top as long as the existing surface is clean and lightly sanded to aid in the adhesion of the next coat.
yes you can, prep it first light rub down and apply two coats of the flat paint.
Yes, you can.
If the same base, yes you can.
Yes. You'll want to ensure that the surface is clean and gloss free prior to applying the flat topcoat.
Clear primer.