About Drywall Primer For a basic primer on new drywall, choose Rust-Oleum® Zinsser® Drywall Primer. This value-brand primer seals tape joints and preps the surface for paint without raising the nap on new drywall. Ideal for sealing new drywall Fast drying – seals surfaces for painting in one hour Low odor Won't raise the nap on new drywall Water-based formula – easy water clean-up Sands easily – creates a smooth surface for painting