Painting gypsum board (drywall) is a simple process, but proper preparation is key to achieving a smooth and long-lasting finish. Start by ensuring the surface is clean and free of dust. If the board is newly installed, apply a primer specifically designed for drywall. This helps seal the surface and ensures that paint adheres properly. Once the primer is dry, choose a latex-based paint for a smooth finish. Use a roller for large areas and a brush for edges and corners. Apply at least two coats of paint for even coverage, allowing each coat to dry thoroughly before applying the next. For added durability and better finish, consider using a paint with added texture if desired. If you're painting Aluminum ceiling panels or incorporating gypsum board in ceiling installations, ensure to use a paint that works well with ceiling materials.