Use Two coats of undercoat paint, it might be Crown covermatt or Superfast paint from Duracoat. You could implement the ultimate coat of vinyl matt paint or some other decorations for instance wallpaper, murals or textured paints. Tack the 2nd piece into area with ring drywall nails. Ring drywall nails https://dallasfo4r4.theisblog.com/32463815/the-fact-about-gypsum-board-installation-that-no-one-is-suggesting