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13 oz. Mold Blocking Interior/Exterior Primer Spray

  • Prevents growth of mold & mildew without extensive pre-cleaning
  • EPA registered assures performance and quality (EPA reg. 69587-6)
  • Block stains & odors, spray at any angle works under any top coat
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Product Overview

Zinsser Mold Blocking Primer Spray is an EPA Registered protective coating that can be used to paint over and kill all existing mold, mildew, moss, fungi, odor causing bacteria and any other fungal organisms. Prevents future growth of mold and mildew on the paint film; Blocks stains & odors. It is for use on non-porous interior and exterior surfaces.
  • Recommended for residential, commercial and industrial applications including bathrooms, basements, window frames, office buildings, factories and more
  • Covers up to 10 sq. ft.
  • Blocks existing mold, mildew and odor causing bacteria
  • Great for use under any topcoat and is ideal with Zinsser perma-white
  • Convenient spray great for small projects and touch-ups
  • Dries to touch in minutes, top coat in 30-minutes
  • For ideal protection, top coat no more than 72- hours after application
  • Clean up with mineral spirits



  • California residents

Info & Guides

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current product
13 oz. Mold Blocking Interior/Exterior Primer Spray
BrandZinsserRust-Oleum AutomotiveRust-Oleum AutomotiveZinsser
NameBulls Eye 1-2-3 Plus 16 oz. White Interior/Exterior Primer Spray (6-Pack)12 oz. White Sandable Primer Spray (6-Pack)12 oz. Red Sandable Primer Spray (6-Pack)13 oz. Mold Blocking Interior/Exterior Primer Spray
Price
$2338
/case
$3057
/case
$3057
/case
Ratings
(8)
(25)
(25)
(134)
Paint/Stain/Waterproofer Product TypePrimerPrimerPrimerPrimer
Primer PurposeColor Changing,Stain BlockingColor ChangingColor ChangingMold, Mildew & Water Damage
Container Size16 Ounce12 Ounce12 Ounce13 Ounce
SheenFlat/MatteFlat/MatteFlat/MatteFlat/Matte
Substrate/Surface Use TypeGalvanized Metal,Masonry,Metal,Wood
Dry to touch (min.)3010105
Surface Material Use Fiberglass,Metal,WoodFiberglass,Metal,WoodDrywall,Masonry,Metal
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Specifications

Dimensions

Container Size
13 Ounce

Details

Base Material
Oil Based
Coating Product Category
Primer
Color Family
White
Color/Finish
White
Coverage Area (sq. ft)
20
Dry to touch (min.)
5
Interior/Exterior
Exterior,Interior
Kit
No
Number per Package
1
Paint Key Features
Mildew Resistant
Paint Product Form
Aerosol Spray
Paint/Stain Clean Up
Mineral Spirits
Paint/Stain/Waterproofer Product Type
Primer
Primer Purpose
Mold, Mildew & Water Damage
Sheen
Flat/Matte
Surface Material Use
Drywall,Masonry,Metal
Transparency
Solid

Warranty / Certifications

Manufacturer Warranty
Satisfaction guaranteed for full refund of purchase price

Questions & Answers

Typical questions asked about products:

  • Is the product durable?
  • Is the product easy to use?
  • What are the dimensions of the product?

Customer Reviews

  • 4.6
    out of 134 reviews
  • 88% recommend this product
Filter by:
Showing 1-30 of 134 reviews
So far, so good. I have had problems with my fridge for many years with, among other things, mold...
So far, so good. I have had problems with my fridge for many years with, among other things, mold and rust eating away at the interior painted surfaces. It continues to happen even after I spot prep and repaint/repair these areas. I am trying this as a last resort as nothing I tried in the past seemed to prevent this from recurring. For the moment, it looks pretty good.
by
  • Recommended
We used this great spray paint to touch up the skirting and siding on thier mobile home. There we...
We used this great spray paint to touch up the skirting and siding on thier mobile home. There were some water spots on the white home that this paint covered very easily. It blended with the paint that was there and looks great.. Some of the paint had worn away on the aluminum skirting around the home. The touchup was really simple with this paint. While we were at it, we touched up a white plastic lawn chair that was outside too. It looks like new.
by
  • Recommended
Zinsser 13 oz. Mold Blocking Primer Spray does exactly what its intended to do . SMALL areas of m...
Zinsser 13 oz. Mold Blocking Primer Spray does exactly what its intended to do . SMALL areas of mold can easily be sprayed which will seal and encapsulate the microbial growth ( mold) Not all molds make you sick without a mold test one would never know. Before selling a home I recommend spraying any areas with this product . The water based product aides in covering residual microbiological and fungal stains , win, win ! water based and does its JOB.
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  • Recommended
1 person found this helpful
Love this product. It saved me a great deal of time and money. We purchased a place with white pl...
Love this product. It saved me a great deal of time and money. We purchased a place with white plastic cross hatch around the garden area. Being in central FL. it was moldy. In spring I tried dome mold be gone house wash. The wash helped but still the fence did not look good. Now that we are in the rainy season it looked worse. You do not need to scrub or otherwise prep the fence (just remove loose dirt). One spray over and the ugly mold was gone!!! The fence looks luke new. One spray can covered 10ft of fencing.
by
  • Recommended
I’ve used Zinsser products in the past and had good luck with them.This spray can of mold blockin...
I’ve used Zinsser products in the past and had good luck with them.This spray can of mold blocking primer I used to cover up dirty finger marks left by the gloves of the worker who cut my preprimed lumber, and not specifically for mold. Thankful I don’t have any mold to cover up. I shook the can as directed so the metal ball rattled back and forth, then applied it to the finger marks in 2 light coats. I wear a full respirator because my experience with these cans is the propellant is extremely irritating if you breathe it in. I get wheezy. So the photos show the finger marks and the result of 2 coats of this primer. It dries quickly, leaving a matte finish.
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  • Recommended
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              perfect - worked great
              Easy application and done…. Faster than using a rolling application.
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                • Recommended
                Rating provided by a verified purchaser...
                Rating provided by a verified purchaser
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                      A contractor recommended this brand....
                      A contractor recommended this brand.
                      by
                        worked very well and was cheaper than Kilz...
                        worked very well and was cheaper than Kilz
                        by
                          Rating provided by a verified purchaser...
                          Rating provided by a verified purchaser
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                                Good product, definelly I will purchase it again...
                                Good product, definelly I will purchase it again
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                                • Verified Purchase
                                Rating provided by a verified purchaser...
                                Rating provided by a verified purchaser
                                by
                                • Verified Purchase
                                Rating provided by a verified purchaser...
                                Rating provided by a verified purchaser
                                by
                                • Verified Purchase
                                Should have listened to my gut and returned this product
                                I have a very small bathroom. I figured this would be a quick and thorough way to primer. I followed the instructions on the can. The 13 oz can did NOT cover the walls and did not cover evenly at all. I thought maybe I could use a paintbrush to spread it out, but it was drying too quickly (and tackily) to spread. I came out of the bathroom feeling like my lungs and eyes were on fire (Yes, I wore a mask and face shield). *** I believe someone who is a skilled painter may have better luck. The fumes may have been due to the size of my bathroom, even with the window open and ceiling fan running. If you're not a super experienced paper, I don't recommend you use this product. I have used several Zinsser painting products that I found to be satisfactory. This just didn't work for me. I wish I'd never bought it.
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                                Response from Rust-OleumSupportJul 29, 2021
                                Let's see what we can figure out. Zinsser Mold Killing Primer Spray is the perfect aerosol solution for spot priming non-porous interior or exterior surfaces. For larger surfaces and indoor walls we recommend using Zinsser Mold Killing Brush Primer.
                                https://www.homedepot.com/p/Zinsser-1-gal-Mold-Killing-Interior-Exterior-Primer-276049/204994675
                                - Rust-Oleum Product Support 6 Rustoleum
                                  It gets the job done for those watermarks especially in your ceiling. First, I would suggest that...
                                  It gets the job done for those watermarks especially in your ceiling. First, I would suggest that you paint the area with a primer and then spray. Depending on how deep the mold appears, you may need to spray twice. The bottom line, this is a gallon of paint in a spray can. Do not go and rip your home apart and spend a lot of money in the panic stage.
                                  by
                                    • Recommended
                                    I used this to prime over some mold surrounding an...
                                    I used this to prime over some mold surrounding an A/C vent in a bedroom closet after scrubbing and cleaning off the mold on the drywall as best as I could.The Zinsser Mold blocking primer I sprayed on covered up the mold on the drywall and after it dried I painted the whole wall with the interior paint of matching color for the closet.It now looks like no mold was ever present on the wall.I really don't know if this primer killed the mold and fixed the problem permanently or if the mold will grow through the primer and paint applied. Only time will tell.I don't have enough evidence that this product is worthy.
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                                    • Verified Purchase
                                    It went on well and covered the moldy spots. I...
                                    It went on well and covered the moldy spots. I didn't consider the smell that would linger despite good ventilation in the room. If there had been a 1 quart option I would have opted for that - there were only gallons available.
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                                    Response from Rust-OleumSupportJul 9, 2021
                                    Thanks for sharing your experience with Zinsser Mold Blocking Primer. If you have any further questions or concerns, we are here to help. 888-855-1774
                                    - Rust-Oleum Product Support 6 Rustoleum
                                    • Verified Purchase
                                    Rating provided by a verified purchaser...
                                    Rating provided by a verified purchaser
                                    by
                                    • Verified Purchase
                                    Use the brush- to spray is drama!
                                    Use the brush- to spray is drama!
                                    by
                                    Response from Rust-OleumSupportJun 29, 2021
                                    Thanks for the feedback. Zinsser Mold Blocking Primer Spray is the perfect aerosol solution for spot priming non-porous interior or exterior surfaces. For larger surfaces, Zinsser Mold Killing Brush Primer is an excellent choice.
                                    https://www.homedepot.com/p/Zinsser-1-gal-Mold-Killing-Interior-Exterior-Primer-276049/204994675
                                    - Rust-Oleum Product Support 6 Rustoleum
                                    • Verified Purchase
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                                    • Verified Purchase
                                    Showing 1-30 of 134 reviews