Spraying mud is a process of applying a thin layer of wet, soft clay to a surface. This can be done by hand or with a machine, but the most common method is with a spray gun. The clay will adhere to the surface and dry hard, providing a protective barrier against weathering and erosion. Mud can also be used for decorative purposes, such as creating texture on walls or ceilings.
When spraying mud, it's important to use clean water and avoid over-saturating the surface. Otherwise, the mud will start to run and won't dry properly. It's also important to work in small sections so that the mud doesn't have time to dry before you're finished applying it.
Once the mud has been applied, it will need to be allowed to dry completely before being painted or sealed. Depending on the climate and humidity levels, this could take anywhere from 24 hours to several days. Once dried, the mud will provide a durable finish that will last for many years.