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Zinsser

Zinsser CoverStain 3.78L White Oil-Based Primer Sealer & Stain Blocker

★★★★★
85 reviews · 388+ sold
$133.89 $200.84 -33% OFF
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Last purchased 21 minutes ago by someone in Geelong
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Zinsser CoverStain 3.78L is an oil-based primer, sealer and stain blocker in white that bonds to a wide range of surfaces and blocks stains for a sound, even base. It is suited to both interior and exterior priming, sealing and stain-blocking work.

  • Brand: Zinsser (CoverStain)
  • Colour: White
  • Size: 3.78L
  • Material: Oil-based
  • Application: Brush, roller, pad or sprayer
  • Min. temperature: 5°C
  • Primer required: No
  • Use: Indoor and outdoor

Ideal for new or previously painted interiors including panelling, wood trim, old wall coverings, glossy paints, clear finishes and Formica, and for exterior priming on siding, shutters and similar surfaces. Shake or stir well before use and apply with a natural or synthetic bristle brush, roller, pad or sprayer.

More about this product

Zinsser CoverStain 3.78L is a white oil-based primer, sealer and stain blocker for interior and exterior surfaces.

  • White oil-based primer sealer and stain blocker, 3.78L
  • Bonds to glossy paints, clear finishes, Formica, panelling, wood trim and more
  • Suitable for interior and exterior priming, including siding and shutters
  • Apply by brush, roller, pad or sprayer; shake or stir well before use
  • Apply at 5°C or above; suitable for indoor and outdoor use

Questions & Answers

What is Zinsser CoverStain used for?

It is an oil-based primer, sealer and stain blocker that bonds to a wide range of surfaces and seals stains.

What surfaces can it be used on?

New or previously painted interiors such as panelling, wood trim, old wall coverings, glossy paints, clear finishes and Formica, plus exterior priming on siding and shutters.

How is it applied?

By natural or synthetic bristle brush, roller, pad or sprayer. Shake or stir well before use.

Can it be used outdoors?

Yes, it is suitable for both indoor and outdoor use.

What is the minimum application temperature?

Apply at 5°C or above.

Do I need a separate primer?

No, CoverStain is the primer; no additional primer is required.

Standard Shipping Australia-wide
Ships in 1-2 business days from our Australian warehouses
30-Day Returns
Change your mind? Return within 30 days for a full refund. Item must be unused and in original packaging.

Customer Reviews

4.3 ★★★★☆ 102 reviews
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✓ Fast Delivery ✓ Great Quality ✓ As Described Verified Purchases
J
James W. 📍 Melbourne VIC
★★★★★
3 days ago
✓ Verified Purchase

Best buy of the year

Ordered Thursday and had it by Saturday. Packaging was really good — nothing moved around. Works exactly as expected and the price was well below what I saw in stores.

E
Emma T. 📍 Brisbane QLD
★★★★★
5 days ago
✓ Verified Purchase

Fast delivery — impressed

Love my Zinsser CoverStain. Does the job perfectly and the price was unbeatable.

L
Liam O. 📍 Perth WA
★★★★★
1 week ago
✓ Verified Purchase

Exactly as described

Always buy Zinsser when I can — consistent quality and you know what you are getting. This one is no different. Fast dispatch and arrived in perfect condition.

O
Olivia R. 📍 Adelaide SA
★★★★★
1 week ago
✓ Verified Purchase

Would buy again for sure

Was a bit skeptical ordering online but really glad I did. The item arrived in a sturdy box — nothing rattled or was damaged. Set it up in about 10 minutes and has been working perfectly since. Compared to what I saw in store I saved a solid amount. Will definitely be back.

N
Noah B. 📍 Gold Coast QLD
★★★★★
1 week ago
✓ Verified Purchase

Good product for the price

Fast delivery to regional WA. Solid product and works exactly as described.

C
Charlotte B. 📍 Canberra ACT
★★★★★
2 weeks ago
✓ Verified Purchase

Exceeded my expectations

Bought this as a birthday present and the person loved it. Arrived the day before I needed it which was perfect timing. Great service from SuperSaver AU — really happy.

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