A white pigmented 100% acrylic water-based primer that primes, seals and sizes surfaces prior to wallcovering hanging. Protects drywall facing paper from damage when removing strippable wallcoverings. White pigmentation helps prevent flaws, color and patterns from bleeding through new wallcovering. Makes positioning of wallcovering easier and assures easy removal. Can be tinted. Dries in 2 hours making same day priming and paper hanging possible. Mildew-resistant-formulated with exclusive Mold & Mildew Shield .