Fix damaged areas of the walls with a patching compound recommended for use on plaster and apply an oil based or shellac primer to seal out moisture.
Best way to paint new plaster walls.
Therefore you must seal the plaster before applying the finish paint.
Any moisture or liquid exposed to the plaster is sucked from the wall at a rapid rate.
This gives you more time to work with it.
Or use a paint roller that s equipped with a 1 4 to 3 8 inch roller cover.
Follow with a top quality latex paint to give.
Make a mist coat fresh plaster is extremely porous and any moisture will be quickly absorbed into the wall.
Ronseal one coat triple action basecoat is specifically designed for new plaster dilute with 20 water for the first coat and problem walls.
To save time and paint use a stain block or a basecoat emulsion on these patches.
New plaster is extremely porous so if you use undiluted paint the paint s moisture will be sucked up by the plaster.
For water based paints seal the plaster with one or two mist coats.
The result is dry paint that won t bond with the plaster.
Apply a high quality primer on the plaster wall and allow the primer to dry for the maximum amount of time.
Priming and painting the plaster walls.
A week should be long enough to let it completely dry out and for all damp patches to disappear.
You can pour good quality paint into a pan and use a roller to evenly apply the first coat of paint to the plaster walls.
Applying a quality paint for best results apply an acrylic latex paint using a high quality synthetic fiber paint brush.
Painting onto plaster with standard emulsion literally sets in seconds leaving blobs and drips.
This is why you need to water down your first paint layer known as a mist coat.
A flat or matte finish paint will help conceal any surface flaws on older plaster walls.
To make a mist coat combine a cheaper emulsion paint in a similar colour to your top coat with water.
The very first thing you need to do when painting new plaster is to let it dry.
This is why you need to water down your first layer of paint because it stops the paint from drying at an accelerated rate.