Zinsser Mold Killing Primer is a professional-grade, water-based aerosol that delivers reliable protection against mold, mildew and odor-causing bacteria. Formulated for interior use on challenging surfaces like masonry and metal, it blocks existing fungal growth, binds chalky substrates and provides a flawless base for any topcoat. With low odor and fast dry times, projects finish quickly and clean-up is a breeze with soap and water.

Key Features

• EPA-registered fungicidal formula kills and prevents mold, mildew and odor-causing bacteria
• Low-odor, water-based coating for easy soap-and-water cleanup
• Covers 8–10 sq ft per 13 oz can
• Dries to the touch in 5 minutes; recoat in 30 minutes for rapid turnaround
• Binds chalky surfaces and adheres under any finish coat (ideal under Zinsser Perma-White)
• Perfect for interior masonry, metal, siding and other problem areas

⚠️ WARNING: Cancer and Reproductive Harm – For more information, visit www.P65Warnings.ca.gov.