Both of these materials are porous and absorb paint at different rates, and if you omit the primer, you'll never be able to produce a uniform topcoat.
What Is Primer Paint For Walls. Primer is a paint product that is designed to adhere to surfaces and to form a binding layer that is better prepared to receive the paint. Here's what you need to know about primer.
Paint the surface with one coat of wood primer (two coats if it's going to be in severe weather outdoors) using a brush or a roller and leave to dry thoroughly between paint the wall with one to two coats of plaster primer. Primer is a preparatory coating put on materials before painting. In this video, cole schaefer, a professional painter, goes over the best types of primers to use for interior.
Reasons for priming before painting.
Primer is a paint product that is designed to adhere to surfaces and to form a binding layer that is better prepared to receive the paint. The proper technique is important to get the results you want. Underneath emulsion paint , use one of our primers and base coats specifically designed to prepare walls for painting. What kind of primer to use over oil based paint?