What Kind Of Primer To Use On Plaster Walls

All in one primer.

What kind of primer to use on plaster walls.

White pigmented shellac primer highest performing primer for sealing out the toughest stains and odors in one coat. When it comes to paint old plaster walls you first need to fix all damaged areas of the walls by using a high quality patching compound recommended for use especially on plaster walls. You will need to go to the paint store and ask for an acrylic primer sometimes it is called acrylic undercoater but it will great for this type of wall surface. It is also important to use oil based or any high quality primer to prevent all kinds of moisture on the surface.

Kilz brand primers are known for their stain blocking capabilities and are available at many home improvement centers. Latex primer can be used but alkyd primers are recommended for best results on plaster. Oil based primers are also great at sealing out moisture which can be a major problem for old plaster walls. Use a vapor barrier primer to seal the surface and minimize the passage of moisture through the walls to the outside.

Use trisodium phosphate tsp to clean heavily soiled walls. A spray primer is designed for use with a spray gun. Popular throughout the 19th century and into the first third of the 20th calcimine paint had a dead flat soft pastel look that permitted builders to finish plaster walls quickly. Calcimine also known as kalsomine or distemper is essentially ground chalk blended with water with glue as a binder.

Use a paint pole to extend the reach of the. The tinted primer. Perhaps most useful are oil primer s ability to fill and seal the surface of the plaster. You re going from a lighter to a dramatically darker color e g light blue to black.

Concrete masonry primer seals and adheres to concrete brick stucco and plaster. If mildew is a serious concern use a stain blocking primer to prevent mildew stains from bleeding through the topcoat and then use a topcoat that specifically resists mildew check the label. Calcimine paint is not very durable. This will ensure a faster application but extra ventilation is a must because of the particles.

Your neighborhood sherwin williams paint expert can provide additional advice about which primer is right for your project.