Nov 04, 2013 · You most definitely can paint latex paint over oil primer. I work in a paint store. It is rare to find oil paint anymore with all the VOC laws, so if people are painting an older home and it turns out their walls are oil, we always tell them to oil prime then topcoat with a latex finish. May 03, 2018 · A simple test can tell whether wall paint is latex or oil. Wash a test patch of the wall in soap and water, then rub an alcohol-soaked cotton swab on the wall. Any paint on the cotton means it's latex, and no paint means it's oil. Latex paint won't adhere to oil-based paint.Author: Nat Howard.
Latex or oil-based? -- Ready to do some painting over old paint? Wondering whether you need a latex or oil-based paint? Here's how to tell. First, scrub a small area with a solution of household Author: JAMES AND MORRIS CAREY, THE ASSOCIATED PRESS. Latex Paint. Until latex paint was developed in Canada in the 1940s, most painters used alkyd paint with a base of linseed oil, which is why they still call alkyd paint "oil" paint.
Nov 13, 2017 · Rub it over a small area on the surface. If the paint does not come off, it is oil-based paint and you will need to prime the surface with a bonding primer before applying latex paint. The primer can be latex, but it has to be a product that is made to prepare the surface and help with adhesion and that says “bonding” on the label. Which Paint Is It - Latex or Oil? Determining, definitively, whether a given paint was oil or latex has always been a bit of a problem, but an important one as you can paint oil over latex, but not latex over oil unless you use a special 'super adherent primer' first.