There are many high quality acrylic primers that are like superglue as far as a primer coating that work extremely well on sheetrock or plaster.
Can You Plaster Straight Over Painted Walls. Green in colour to aid identification of treated. Yes, you can plaster over paint, however, there are factors which should be considered first.
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Can i skim plaster the whole wall, straight over the paint??? You or the plasterer can grout over the paint to form a key for the new plaster. (the house has gone through various renovations over the years, so there are places where walls are just modern sheetrock.
Sometimes your walls can hold a grease which prevents the plaster bonding so the best option is to wash your walls down with sugar soap.
If there is a requirement to move plug sockets then an electrician will need. Can i plaster straight onto brick? Plastering on existing painted walls is possible if the paint is in very good condition (in terms of adhesion). Plaster applied over a painted surface should not be more than ΒΌ inch thick.
