You will need to apply a second coat of joint compound if the first coat does not do its job smoothly. The joint compound will change its color slightly when it fully dries. You can use the dehumidifiers to fasten the drying time. You will need to give it at least twenty four hours before you can start working on it again. Joint compound needs a huge amount of time to dry. The application of mesh tape can be done using the putty knife. You will have to attach mesh tape on the applied joint compound. You will need to put out an extra bit of joint compound using the putty knife. You can take the help of a putty knife to apply the first coat of joint compound on the holes and cracks. In this step, you will need to use joint compound on those holes and cracks. After you have successfully identified those holes and cracks, you can begin the repairing process by scraping out excessive dirt, debris and paint from those holes and cracks. Identify the holes and cracks:įirst of all, you will need to identify the holes and cracks on your plaster walls. However, there are some steps and methods you can follow to implement this task. How to apply joint compound on plaster walls?Īpplying joint compound on plaster walls might seem like a daunting task if you do not have any prior experience. You can also apply a skim coating technique to blend the texture of joint compound on plaster walls. Grit sandpapers can be used to smooth the repaired holes. You will have to use another layer of joint compound if the first layer does not do its job properly. Otherwise, the process will not be a success. You will have to give the joint compound enough drying time on the plaster surface. You can use premixed joint compound to repair any holes on plaster walls. The holes in plaster can be effectively and easily patched using joint compound. Can you patch holes in plaster with joint compound? However, multiple layers of thin joint compound have to be applied for the overall success of the process. It does not need thick layers of joint compound like repairing jobs as hiding unevenness and hairline cracks is a small gig. Joint compound is a good choice when it comes to skim coating plaster.īut the layer of joint compound applied as skim coating has to be excessively thin. Sometimes plaster walls and surfaces need to be skim coated in order to hide the unevenness of some areas. Can you skim coat plaster with joint compound? You can even use a second layer of joint compound after the first layer has dried if you have any doubt about the adhesiveness of the joint compound on plaster. Most often than not joint compound or drywall mud sticks to plaster without any added pressure.īut mesh tape is added onto the joint compound coat to make sure that the adhesiveness of the joint compound reaches its full potentiality. Joint compound is famous for its hardening quality and adhesiveness. How will joint compound or drywall mud stick to plaster? This is why joint compound can be used to fill holes and cracks on plasterboard too. The component of plasterboards is more or less the same as plaster. Instead of applying plaster on walls, you can directly add plasterboards. Plasterboard is an alternative to plaster walls. It can often create uneven texture on the repaired areas due to the difference between components of joint compound and plaster. Plaster walls belong to the list of surface joint compounds that can be used on.īut one of the challenging things when it comes to applying joint compound on plaster walls is to match the joint compound with the texture of plaster walls. Joint compound is one of the strongest drywall muds available in the market and they are very effective on many different kinds of surface. When it comes to repairing holes and cracks on plaster walls, joint compound is highly suggested by experts because of its adhesive quality. Plaster walls sometimes need repair work done on them. Let’s see if joint compound can be used on different types of plaster surface.
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