Zinsser Bulls Eye 1-2-3 White Water Base Stain Blocking Primer, 2.5 Gallon is a versatile primer designed to prime and seal a wide variety of interior and exterior surfaces including new drywall, wood, masonry, metal, and glossy surfaces. It works exceptionally well on hard-to-stick surfaces such as old glossy paints, clear finishes, metal, fiberglass, PVC, composites, glass, and tile. This primer seals and tones surfaces while resisting mold and mildew growth on both the underside and surface of the primer film, helping to extend the life of your paint job. It also inhibits rust formation when applied over clean ferrous metals like iron and steel, eliminating the need for a separate rust-inhibitive primer. The formula dries to a smooth, tight film that resists flash rusting and long-term rust development, making it i for metalwork such as iron railings, steel doors, and metal panels. Suitable for use over or under oil or water-based paints, this water-based primer low odor and easy soap and water cleanup. It can be tinted with many universal colorants, and the gray primer variant enhances the hide and coverage of rich or dark topcoat colors. It dries in just one hour and covers approximately 1125 square feet per 2.5-gallon pail. Application methods include brush, roller, pad, or sprayer, and it features an eggshell sheen for a smooth finish. Model Number: 02025