Whether it is from removing wallpaper in a rush, or being a little too aggressive when moving furniture, walls and ceilings will sometimes get badly damaged.
When this happens, the two options available to you are either to skim-coat it or to plaster it. So what’s the difference between a skim coat ceiling vs plaster ceiling?
Plastering is the more traditional approach—it involves spreading a layer of wet plaster on the ceiling and letting it dry before sanding it smooth and painting.
On the other hand, Skim coating is the act of applying a thin coat of plaster, or mud, to your walls in a thin layer with the goal of smoothing or repairing the wall to make it smooth. It’s a great way to get your walls nice, smooth, and looking great!
But how do you skim-coat walls? If you’ve ever skimmed a ceiling or wall before, you know that it’s a relatively straightforward process. The problem is that many people don’t know how to do it correctly, which means they end up with a surface that isn’t as smooth and even as it could be.
To help prevent this from happening to you, we’ve outlined the basics of how to skim a wall for beginners so that you can have a flawless, professional finish on your next project.
Let’s Do A Step-by-step Analysis of How to Skim Coat A Wall or Ceiling:
Step 1: Prep Your Room before Painting
Before you begin the skim coating, you have to prep the room before Interior Painting . In order to do this, you must:
- Clear out all furniture and wall decorations and cover the floor with a painting drop cloth
- Remove all plastic coverings from electrical sockets and cover them with plastic
- Replace and/or repair any major drywall holes
- Remove any nails from the wall, filling the holes in with joint compound
Step 2: Skim Coat Plaster the Walls and Ceilings
Now it’s time to actually start the skim coating process.
- Grab a bucket of joint compound and stir with an electric drill until it’s completely smooth. You can also use premixed plaster. CGC 20 is a common one you can get from your local Home Depot or hardware store.
- You want the compound to have the consistency of cake batter at this point.
- Scoop the compound onto your hawk and apply it to the wall in a vertical direction with your drywall knife.
- Make sure that the surface of the wall is completely smooth, and then allow several hours to dry.
Step 3: Sand the Walls and Ceilings
Once the first coat of plaster has dried, sand smooth with a pole sander and 200-220 grit sandpaper
Step 4: Check Your Work Carefully
- Scan and check for any imperfections in the walls or ceilings.
- Repeat steps 2 and 3 if needed.
- You may need to do more than two coats of plaster to get the wall perfectly smooth.
- Switch from vertical to horizontal application to ensure even coverage of the wall to get it as smooth as possible.
Step 5: Prime the Surfaces
- Once you are satisfied with your skim coat plastering work, apply a latex-based primer to the wall to seal everything in.
- Let dry, then check AGAIN for imperfections. If there are any imperfections, repeat steps 2, 3, and 4.
Step 6: Apply Your Finish Coat
Finish coats of paint/wallpaper:
Once you are happy the surface is completely smooth, apply a finish coat of paint or wallpaper depending on the application.
And you’re all done. Congratulations on your brand-new smooth walls!
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