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Cover Stain Interior, Exterior Multi-purpose Oil-based Wall and Ceiling Primer ( 1-gallon )

Ratings & Reviews for Zinsser Cover Stain Interior, Exterior Multi-purpose Oil-based Wall and Ceiling Primer ( 1-gallon )

4.6
395
Review
 4.6 out of 5
395 Reviews


92% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

Customers overwhelmingly praise this primer for exceptional stain-blocking performance and one-coat coverage on tough stains, water damage, smoke, and pet odors. Reviewers highlight strong adhesion across bare wood, MDF, laminate, and paneling, with many noting it outperforms competitors. The product applies smoothly and dries quickly, making projects efficient. Some mention strong odor and thickness requiring mineral spirits for cleanup, but these minor concerns are far outweighed by widespread satisfaction with performance and reliability.

Customer review summary generated by AI, including incentivized reviews.
395 Customer Reviews

Works well

Works well on hiding tough stains

May 1, 2026
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Covers stains and prevents bleeding through

Would Recommend

Covers much better than other products I’ve used

May 1, 2026
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Excellent Primer

Would Recommend

This primer is excellent! It goes on smooth with great coverage in one coat. I primed wood laminate paneling and it worked perfectly.

April 28, 2026
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Covered the water stain on my ceiling

Would Recommend

Coverage with limited coats

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Great product

Would Recommend

Blocks stains well

April 25, 2026
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A good price for this stain blocker

Would Recommend

Covered water stains from leaking skylights

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Good coverage

Would Recommend

I had a stubborn bay window area that leaked some brown stains through regardless of how many layers of paint I applied to it. I used this primer once and the stains were gone.

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Original Formulation.

Would Recommend

This primer dries quickly, cleans up with mineral spirits, and sands well. It’s the original formulation, not the new Low VOC one, which is a crazy and terrible combination of drippy and sticky that you would think would be impossible to create.

April 19, 2026
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Works as expected.

Would Recommend

Easy to apply, coverage was good.

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PAINTING MADE EASY

Would Recommend

This worked well to cover remnant odors from a small fire. It covered well and was simple to apply.

April 16, 2026
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Does the jog

Would Recommend

Applies smoothly and dries very evenly. Worked great for the application I was working - floor coating

April 15, 2026
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Stir it good before use.

Would Recommend

Used it for a long time. Covers up stains on the ceilings. Great product

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Good Product

Would Recommend

Used it before with good results.

January 29, 2026
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Seals in smoke and pet smells

Would Recommend

Expensive, but definitely sealed in all smoke and pet stains in the house. It's really thick primer, so be sure to use a larger nozzle if you're applying it with a sprayer.

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