The best temperature for plastering is between 55 degrees and 70 degrees. Helpful TipsĮxcess moisture in the wall or room can affect the plastering, so make sure to fix any leaks or causes of moisture several weeks before plastering. Wear a sanding respirator to prevent inhalation while breaking dried plaster or when mixing. When plastering, wear safety goggles, a long sleeve shirt and cotton work gloves for eye and skin protection. Crack repairs usually need only one layer of plaster. Apply a layer of plaster to the crack with a 4” wallboard knife, making sure the layer is even with the rest of the wall. Pour the plaster from the bucket into a mud pan. Follow the manufacturer’s instructions to mix dry plaster with water in a large bucket. Dampen the area with a spray bottle and water. Use a cloth or rag to wipe away dust and debris. Smooth and remove loose plaster pieces and any jagged edges on the surface around the crack with a putty knife.
Helpful TipĪ shop vacuum is a great tool for cleaning up sanding dust. Close off the room using plastic sheeting and painter’s tape and cover vents to keep sanding dust from travelling through your HVAC system. This will protect the floor from any spilled or splattered plaster or joint compound and make clean up a bit easier, as much of the dust from sanding will collect on the drop cloths.
PLASTER WALL PATCH HOW TO
How to Fix Cracks in Plaster Step 1: Prepare the Roomīefore starting, cover the floor with plastic drop cloths and fasten the cloths in place using painter’s tape. It can, however, require a bit more extra time and skill than patching a hole in drywall.
If you have holes or cracks in your plaster walls or ceilings, repairing them isn’t difficult. Many older homes may still have some walls and ceilings made of plaster and lath instead of the now standard drywall or wallboard.
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