For instance, if you want to repaint the front stairs handrail, but it is painted with oil based paint, the process is not as simple as putting on a coat of paint and being done with the project. It has been recognized by professional painters, bloggers and the likes of this old house, earning this old house’s prestigious top 100 list for 2015.
As previously mentioned, latex is flexible in nature.
Putting oil based paint over latex. The problem can arise, however, when the object or area in question is painted with something other than latex paint. We recommend using oil bond. I have personally applied latex paint over oil finishes many times with great results.
Providing that the surface coated with the waterborne product is fully cured and not retaining any moisture of course. Apply a thin coat of primer onto the wood. The oil based paints must have a primer used before paint is applied.
Secondly, sand and prime (this will ensure professional painting results); When should you use oil based paints? Apply in careful, even strokes to avoid any thick splotches of primer in isolated areas.
Unlike semitransparent stains, which are absorbed into bare wood and enhance its natural appearance, solid stains add a rich colorful film that sits atop the wood's surface. Thirdly, you may want to look into some of the innovative quality. The key is proper surface preparation (sanding).
Clean the surface with a sponge dipped in a solution of tsp (trisodium phosphate) mixed with water. No latex over oil is a myth. Just remember that your latex paint is flexible while your oil paint is not.
Remove the cleaner with a sponge and clean water, then allow the surface to dry. This is an option we didn’t include in this post because it takes a lot of sanding and meticulous preparation that, if rushed through, will lead to the same issues you’d get if you’d put water over oil. This is an extra 2 steps (two coats is always recommended) that your painters may not have included this in their quote.
Can i put primer over polyurethane? If your painters aren't happy with this idea.they have most likely had bad experiences with their own approach to painting latex over oil. To generate a durable finish, you must apply a special primer that will bond to both.
Oil paint can be used in any situation of painting but needs some extra time to work. Lightly sand the surface with fine sandpaper (180 to 220 grit) to remove the gloss. Topcoat with two coats of high quality latex paint.