If you are doing small patch-work, use a smaller bucket and mix by hand so that the plaster will set slower and give you time to work. Use the attachment for large jobs, where you will apply a lot of plaster in a short amount of time. You must know that mixing the plaster with an attachment on your drill will cause the plaster to set much faster. An electric drill with a paddle attachment can save you a lot of time if you're mixing up large or multiple batches.Stir the mixture as you add in the plaster. If you add water to the plaster, you will have to apply pressure to mix the plaster at the bottom of the pail and you will over-mix the plaster and it will set too fast to work with. Always add the plaster mix to the water, not the other way around.Then, use a plunger or stirring rod to begin incorporating the dry plaster particles. Open a new bag of plaster mix and shake it into the bucket until it forms a mound above the surface of the water. ![]() Fill the bucket to the halfway mark with cool, clean water. Use a steam stripper to remove stubborn coatings, being careful not to allow steam to penetrate the plaster. Apply warm water or proprietary wallpaper stripper with a sponge or brush. Gently use a scraper but avoid scoring through the surface into the plaster. Mix your plaster in a 5 or 7 gallon (18.9 or 26.5 L) (19-26L) bucket. Always undertake a test first on a small unobtrusive area. Also a wall that is too dry causes the water to be absorbed out of the plaster and set before it has time to stick to the wall. Dust, soap, oil, tar and mold all cause the plaster not to adhere to the surface. You should always begin by cleaning your work surface, whether you’re resurfacing an old wall or plastering over brand new lath.Spraying the wall with water will help the new plaster to adhere to the old wall. If it comes away caked with dust, it still needs some work. ![]()
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