B‑I‑N Ultra‑Cover White Water‑Based Stain‑Blocking & Odor‑Sealing Primer – 1 gal

Introducing Zinsser B‑I‑N Ultra‑Cover White Water‑Based Stain‑Blocking & Odor‑Sealing Primer, a high‑performance coating engineered to create a flawless canvas on both interior walls and exterior surfaces. Formulated with a crystal‑clear, low‑odor base, this primer delivers a pristine white finish that hides imperfections while preparing any substrate for top‑coat application. Its water‑based chemistry ensures quick drying, easy cleanup with just soap and water, and a professional look without the harsh fumes of traditional oil‑based primers.

Why it matters: This primer acts as a protective shield, locking in stubborn stains, nicotine marks, and lingering odors before they ever reach your final paint layer. By sealing out contaminants, it extends the life of your décor, reduces the need for multiple coats, and saves you time and money on future touch‑ups. Ideal for renovation projects, new construction, or quick refreshes, it gives you confidence that the surface beneath is truly ready.

• Powerful Stain Blocking: Advanced polymer technology neutralizes water‑based and oil‑based stains, preventing bleed‑through and ensuring a uniform topcoat.
• Odor‑Sealing Formula: Specialized odor‑absorbing agents capture and trap household smells, cigarette smoke, and pet odors for a fresher living environment.
• Water‑Based Easy Cleanup: Non‑toxic, soap‑and‑water soluble composition eliminates the need for harsh solvents, making cleanup safe for families and pets.
• Low VOC Construction: With only 75 g/L VOCs, this primer complies with strict indoor‑air‑quality standards while delivering professional‑grade performance.
• Versatile Surface Compatibility: Bonds securely to drywall, plaster, wood, masonry, metal, and previously painted surfaces, both indoors and outdoors.

Make the smart choice for lasting results: Zinsser B‑I‑N Ultra‑Cover Primer stands out for its ability to tackle the toughest stains and odors while remaining gentle on the environment. Its fast recoat window of just one hour keeps projects moving, and full cure in seven days provides a rock‑solid foundation for any paint system. Whether you’re updating a kitchen, renovating a bathroom, or refreshing a garage door, this primer delivers a smooth, mildew‑resistant base that enhances durability and visual appeal. Elevate your painting workflow with a primer that combines professional quality, user‑friendly application, and unmatched protection.