How to wet sand sheetrock


Wet Sanding Joint Compound. You can eliminate virtually all the dust from sanding drywall mud using a wet sponge to smooth out the finish. This can be tricky and takes a bit of practice to avoid ruining your repairs or joint compound floats. Wet Sanding Joint Compound. You can eliminate virtually all the dust from sanding drywall mud using a wet sponge to smooth out the finish. This can be tricky and takes a bit of practice to avoid ruining your repairs or joint compound floats. Once you have the drywall in place, it is time to fill in the area between the seams. Sanding drywall is a big, messy job. You can finish the drywall without having to sand the surface. By using a rubber float or a knife, you can smooth the wall down so it looks like you spent the day sanding. It takes time to do the job properly. The biggest advantage to wet sanding drywall is that there is no dust at all. All the excess drywall compound is dissolved by the water and winds up in the pail of water. Great! Drawbacks to Wet Sanding Sheetrock. Wet sanding drywall does have some drawbacks. First the feathering of the edges is not quite as smooth as regular sanding. If you've lived in your house for a number of years, chances are you got yourself a drywall patch, which when sanded, will create a lot of dust in the room. Watch this video tutorial from home improvement expert Danny Lipford to see how to sand a drywall patch with a wet sponge to prevent dust.