Sanding Rough Plaster Walls
You can use a plain board with paper attached and sand by hand.
Sanding rough plaster walls. The surface may have dimples or cracks after drying. With drywall on the other hand you have to be more careful but it s easier to get rid of the old coats and achieve a nice and even finish. With plaster walls you can afford to be more reckless although reaching a smooth finish is harder. Soak the wallpaper with a sponge and hot water to make it easier to remove.
Sanding plaster is going to create a lot of dust and this dust can irritate your mucous membranes as. Wait for the spackling or putty to dry according to the manufacturer s instructions then sand with a medium 120 grit sandpaper. Can you sand plaster walls to even them out. Round orbital sanders are very good on plaster walls but on woodwork you have to be careful because they can leave marks on your wood.
Score the wallpaper with a stripping knife or orbital scorer in diagonal crosses making sure not to push onto the plaster behind. First decide how much muscle you re going to need for this job. To sand a plaster wall you should use coarse sandpaper on the rough textured wall and finer grain sandpaper on smooth surfaces. If the plaster is only slightly.
Now sanding plaster walls or drywall is a slightly different process. 80 and 120 grit sandpaper electric sander optional but highly recommended painter s tape dust mask broom and shop vac or similar. Apply the filler with a spatula and scrape off any excess. Wet a few metres at a time and leave it for five minutes to soften.
Or you can use electric sanders which reduce the work. 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.