

White, Zinsser Odorless Oil-Base Stain Blocker- 3951, 1 Gallon, 4 Pack
Key item features
- Stain Sealing: Effectively seals stains resulting from water, fire, and smoke damage, providing a clean base for subsequent coatings.
- Surface Adhesion: Adheres reliably to glossy surfaces without requiring prior sanding or deglossing, simplifying preparation.
- Finish Characteristics: Features a bright white, non-yellowing, flat finish that can be left uncoated if desired.
- Topcoat Compatibility: Fully compatible with both oil-based and latex topcoats, offering versatility in finishing options.
- Odorless Formulation: Developed as a high-solids, low VOC specialty primer with significantly reduced odor, ideal for sensitive indoor environments.
- Interior Application: Specifically designed for interior use where strong stain-blocking performance is needed without the typical strong odor of oil-based primers.
Specs
- Rec. useInterior
- Paint primer typeAll Surface
- FeaturesFinish
- ColorWhite
- Dry time30 min
- Net content statement4 GAL
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About this item
Product details
- Seals stains from water, fire and smoke damage
- Non-yellowing, dries flat, sands easily
- Adheres to glossy surfaces without sanding or deglossing
- Bright white, non-yellowing, flat finish can be left uncoated
- Compatible with oil or latex topcoats
Specifications
Rec. use
Paint primer type
Features
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Warranty
Warranty information
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Customer ratings & reviews
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Showing 1-3 of 9 reviews
Verified Purchase
Works great on water stains, truly odorless
We recently had our roof replaced, so I could finally take care of some water stains on the ceiling. I was skeptical of the claims that this was odorless, but was pleasantly surprised. This oil-based spray is super convenient for small areas. Great coverage, no dripping, and dries fast. Had no smells until I opened the low-VOC latex paint to do the finish coat.
Verified Purchase
This really works!
You should probably wear gloves when using this product. It does wash off of your skin with soap and water though. It really covers the water stains and does it in one coat if you get closer to the stain when spraying. Otherwise, spray one coat then repeat until you see the desired effect. Wish they had more colors like off white or almond but still a good product!
Verified Purchase
awesome!
This stain blocker is great! It covers smoke stains, water stains and literally everything that I have used it on.








