plaster walls are uncommon in newly built homes, but if you live in an old house, some of your walls may be made of lath and plaster. 1/2 nap almost always works best for slick finish or lightly textured. Keep all the mortar joints of wall rough, so as to give a good bonding to hold plaster.
Free Photo Porous plaster wall
in this video, i explain what a mist/sealer coat is and when or where to apply one.and as always, a few other hits and tips along the way. It’s relatively soft, and abrasives can easily damage it. Your principal concern when cleaning the wall should be protecting the paint job. Being aware of the problem, artists.
