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Zinsser Mold Killing Primer is a water-based, EPA registered fungicidal primer (EPA Reg. No. 87469-1-69587) that Zinsser lists to paint over and kill existing mold, mildew, moss, fungi and odor-causing bacteria. It contains an EPA registered antimicrobial that keeps mold, mildew and other fungal organisms from growing on the paint film, and it helps cover leftover mold and mildew stains.
| Size | 1 quart |
| Base | Water-based styrene acrylic; soap and warm water cleanup |
| VOC | Under 100 g/L |
| Coverage | About 400 to 450 sq ft per gallon (about 100 to 112 sq ft per quart), depending on surface porosity |
| Dry time at 70°F, 50% RH | Touch 30 minutes, recoat 1 hour, full adhesion and hardness 7 days |
| Topcoat | Within 72 hours for best protection |
| Apply | Brush, roller or airless sprayer (0.017 to 0.019 inch tip); do not thin; apply above 50°F |
Compare more primers by problem on the primers and sealers page.
Build the rest of your project cart with prep, patch, primer, and repair supplies.
Manufacturer part number: 276087
Documents are published by Zinsser. Always follow the label and SDS.
Free standard shipping on orders $35+ to the lower 48 states and DC.
30-day returns on unused, unopened items. Contact us within 30 days of delivery to start a return. Opened paint, aerosols, flammables, special orders and sale items can't be returned. Read the full refund policy.
Use this product page for the exact item, then check the Weekend Project Carts for prep, applicators, patch, cleanup, and finishing supplies. If you are still choosing a method, start with the Project Guides before adding everything to cart.
