

White, Zinsser Mold Blocking Primer Spray-287512, 13 oz
Key item features
- Mold Elimination: EPA-registered primer effectively kills mold, mildew, fungi, and odor-causing bacteria on contact.
- Surface Application: Works on both interior and exterior non-porous surfaces, including bathrooms, basements, and industrial spaces.
- Direct Application: Allows direct application over existing mold without requiring extensive pre-cleaning of the surface.
- Protective Barrier: Creates a protective barrier on the paint film to prevent future mold growth.
- Quick Drying: Dries quickly, enabling topcoat application within one hour of priming.
- Versatile Compatibility: Compatible with any topcoat, and especially effective when paired with Zinsser Perma-White.
Specs
- Dry time30 min
- FeaturesQuick Drying, Low Odor
- Paint primer typeInterior - Exterior
- Rec. useInterior/Exterior
Reviews summary
- : Leaves surfaces looking great.
- : Provides effective coverage over imperfections.
- : Covers mold and porous surfaces.
- : Has a relatively weak or neutral odor.
- : Prevents growth on surfaces.
- : Can be uneven, but often covers well.
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About this item
Product details
- Zinsser Mold Killing Primer is EPA registered
- Kills mold, mildew, fungi and odor-causing bacteria on contact
- Paint directly over mold without extensive surface cleaning
- Works on interior and exterior non-porous surfaces
- Ideal for bathrooms, basements, offices and industrial spaces
- Dries quickly and topcoat can be applied within one hour
Specifications
Rec. use
Paint primer type
Features
Brand
Warranty
Warranty information
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
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Customer ratings & reviews
Reviews summary
- : Leaves surfaces looking great.
- : Provides effective coverage over imperfections.
- : Covers mold and porous surfaces.
- : Has a relatively weak or neutral odor.
- : Prevents growth on surfaces.
- : Can be uneven, but often covers well.
Customer images






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Showing 1-3 of 133 reviews
Verified Purchase
This paint far exceeded any expectations I had. the coverage is outstanding, i used this on a bathroom vanity and one coat was plenty and hid the paint underneath completely. It worked so well i was able to use it for multiple projects around the house, with a minimum of two coats of paint, with some to spare.
Verified Purchase
it covered beautifully with the existing ceiling, although it was in a bathroom with no natural light. BUT it covered and matched very well my ceiling in my condo at the beach. wish there was a way to collect the spray particles that fall all around. Otherwise i like the product a lot!
Verified Purchase
Trusted brand
I have used Zinsser Primers for decades %26 they always have work as expected. Zinsser primers are easy to use, the stain coverage is good, etc. Make sure you read %26 follow the directions %26 you won't have a problem. I bought the Mold Killing formula this time because I have a few closets on the outside walls that have some superficial mold on the corners after our cold winter combined with higher humidity in the house. I don't expect any issues with the mold coming back or recurring staining now that I have used the mold killing primer. I don't usually have mold issues, but had some work done %26 the air exchange wasn't set up completely accurate for the changes made. I don't expect any more mold issues either. I have never had old stains or paint colors come through the Zinsser primers in the past either. I definitely recommend any of the Zinsser primers %26 their other products.
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