If the damage is only cosmetic, you can use a basic patching product, such as tape and spackle. In reality, the choice will depend on the severity of the damage. You may be confused by all of the different options for patching your plaster walls. While spackle is often used to repair small holes and cracks, it is not a good choice for larger repairs. In addition, joint compound is more durable and easier to sand down. This compound will adhere to the surface better, but it can shrink, so multiple coats are necessary.
#Skim coat plaster walls crack#
If you are looking to repair a hole or crack in your drywall, you might want to try using joint compound instead of spackle. This will prevent you from stepping in the joint compound. While skim-coating the walls, be sure to protect the floor surfaces by laying a carpet over them. Then, use a hawk to apply it on the walls and allow it to dry for several hours. Mix the joint compound until it reaches the consistency of cake batter. You can buy the mix at Home Depot or hardware stores. You can use the same type of tool as for mixing drywall mud. For large batches, you can use a metal mixing rod that attaches to a drill.īefore you begin, stir the joint compound in an electric drill until smooth.
A large bucket can hold five gallons of compound. If you’ve never tried skim-coating plaster before, scaffolding or ladders will help you reach high places. If you’re just starting out, a pre-mixed joint compound will be most convenient. This compound comes as a powder and dries slowly. You can use a set-type joint compound for this process. You should also keep in mind that two coats are often required for optimal results.
If you’re using drywall mud to repair walls, it’s best to apply it in two thin coats. Skim-coating ensures a smooth, uniform surface for painting or priming. Skim-coating the wall can also make it appear as if it’s brand-new.Īnother advantage of skim-coating your walls is the uniformity it gives. Once it is dry, you can start applying the new plaster. Nevertheless, if your walls have lumps or cracks, you may need to apply more than one skim coat. The process is most effective if you apply it in thin layers. A traditional plastering solution is cement or lime plaster, and is best used on walls that have masonry work.Īfter applying the mud, you need to scrape any loose plaster or joint compound off the wall. You should also repair any holes in the drywall, fill in any nail holes, and remove loose plaster. Move any furniture, cover the floor with a drop cloth, and protect electrical sockets. Skim-coatingīefore skim-coating walls with drywall mud, you should prep the room for painting. To learn more, read our article on Skim-coating and Tape and Spackle.
#Skim coat plaster walls how to#
We will also discuss how to apply them and how to ensure a smooth finish. In this article, we will discuss the advantages and disadvantages of each type. The correct choice depends on the type of plaster repair and the type of material used. These are Tape and Spackle, All-purpose joint compound, and Skim-coating. Several types of drywall mud are used to repair plaster. As an Amazon Associate we earn from qualifying purchases.
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