It makes a good base for paint or wallpaper but must be properly sealed because the paper covering and the tape and joint compound used to seal seams have different porosity. Not sealing drywall with primer paint will result in splotches and irregularities in the finish paint.

Does drywall need to be sealed?

It makes a good base for paint or wallpaper but must be properly sealed because the paper covering and the tape and joint compound used to seal seams have different porosity. Not sealing drywall with primer paint will result in splotches and irregularities in the finish paint.

How do you seal painted drywall?

Use a high-quality latex primer sealer Using a high-quality latex primer sealer when painting new drywall, provides a continuously sealed surface with relatively uniform porosity.