Water based paint such as latex and acrylic do not adhere well to oil paint. In order to paint over oil paint you must sand the surface and prime it with a good quality oil or alcohol based primer and then top coat with a water based paint.
Oil based paints will adhere well to water based paints sp it is unnecessary to prime before top coating, unless you have had to do any repairs to the surface.
Never paint Latex paint over oil based paint. The paint will fail quickly causing cracking, peeling, poor adhesion. The 2 are just not compatible.
No, you either need to really rough up the oil paint with fine sand paper, or put a base coat on before you paint with your Latex paint. If you don't your Latex paint won't adhere.
Not directly. You will need to use a primer made to adhere to oil and will accept a latex topcoat.
Yes, but you can not put latex over oil without a primer coat between.
You can always paint latex ( water based )over an oil based paint as the latex just dries on the surface. However don't paint an oil based over a latex paint. Oil based paints need to absorb into the wood or other surfaces or it will just dry and flake off. For more information on the differences and when or not to use a latex or oil paint please see the following article. . http://www.ehow.com/how_4713170_between-latex-oil-base-paint.html
yes but you cannot put latex on top of oil based surfaces You actually are NOT advised to put oil over latex surfaces, which is why you're supposed to prime will an oil-based (alkyd) primer. Latex and Polyurethane should always have a layer of oil-base beneath it.
Just paint it on if the latex is adhering well.
No, you either need to really rough up the oil paint with fine sand paper, or put a base coat on before you paint with your Latex paint. If you don't your Latex paint won't adhere.
Not directly. You will need to use a primer made to adhere to oil and will accept a latex topcoat.
Yes, but you can not put latex over oil without a primer coat between.
Yes you can.
You can always paint latex ( water based )over an oil based paint as the latex just dries on the surface. However don't paint an oil based over a latex paint. Oil based paints need to absorb into the wood or other surfaces or it will just dry and flake off. For more information on the differences and when or not to use a latex or oil paint please see the following article. . http://www.ehow.com/how_4713170_between-latex-oil-base-paint.html
yes but you cannot put latex on top of oil based surfaces You actually are NOT advised to put oil over latex surfaces, which is why you're supposed to prime will an oil-based (alkyd) primer. Latex and Polyurethane should always have a layer of oil-base beneath it.
I don't believe you can put latex paint over an oil base. it will never dry and will always be tacky
No, oil needs to penetrate the surface and the latex stain will inhibit that penetration.
It will not adhere. It may bubble, slide, streak or otherwise look awful.
Your ceiling may have been oil based, or really anything other than latex. If you used latex primer over oil then there is really nothing you can do except remove it and get a super low gloss oil base.
You can not put oil paint over latex paint. Oil is a rigid coating and latex is a flexible coating. When you put a rigid coating over something that is flexible the rigid coating cracks off.