Sanding Old Plaster Walls Before Painting
Use the ladder to reach spots higher up on the wall.
Sanding old plaster walls before painting. If you are sanding a patch of plaster used to repair a large hole then you should first make sure the plaster is fully dry. Fill these in with filler before sanding. Cover the floor with drop cloths. Apply the filler with a spatula and scrape off any excess.
Inspect the walls for damaged areas of plaster and use a scraper to remove crumbled flaking pieces. The surface may have dimples or cracks after drying. This is probably the easiest surface to paint onto. After your walls have been cleaned and are dry put on your safety glasses and dust mask and lay down a drop sheet near the wall.
If you don t prime the surface with sealer the plaster will soak up any paint like a sponge so you ll waste a lot and end up doing more coats than you ll need allow all bare or new plaster to dry completely before decorating. Sanding plaster is going to create a lot of dust and this dust can irritate your mucous membranes as. If the paper is impossible to remove you ll have to intensively prepare the wall before painting. With the best will in the world when you strip paper there will be traces of the old paste left behind plus little pimples and bumps and loose specks of plaster or traces of the wallpaper.
Take the pictures and switch outlet. Can you sand plaster walls to even them out. Use a paint scraper to remove any flaky and cracked paint from the wall. How to paint old plaster walls move the furniture to the center of the room.
After the walls are thoroughly dry sand smooth. Then apply joint compound to all seams nail holes bumps or other damaged spots. If the plaster is only slightly. Fill the holes and large cracks.
First decide how much muscle you re going to need for this job.