Does drywall have to be textured?

In respect to this, what is the point of textured walls?

Wall textures are commonly used to finish interior wall surfaces and hide taped drywall seams along with other imperfections. At the same time these textures transform flat walls into a finish that reflects light and adds interest to any room.

Also Know, do you sand after textured walls? No you don't need to sand the texture before you paint and to remove dust use a soft bristled broom. If you use water on the joint compound you will rewet it and smear it.

Similarly, it is asked, how is drywall textured?

The swirls can be created in a pre-applied bed of mud, or the brush can be dipped into a bucket and the swirls laid down like paint. The “sand” comes from sand or other particulate mixed into the mud to give a more distinctive, bumpy texture. Put these together and you get the sand swirl drywall texture.

How smooth does drywall need to be before texturing?

Before applying texture to a drywall finish, the surface should be sanded. The smoother the finish on the drywall compound as the mud is applied, the easier and quicker the sanding job will be.