SEAL-ONCE Coastal Gray NANO+POLY Premium Wood Sealer, 1 Gallon - Outdoor Use
SEAL-ONCE Coastal Gray NANO+POLY Premium Wood Sealer, 1 Gallon - Outdoor Use
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SEAL-ONCE

SEAL-ONCE Coastal Gray NANO+POLY Premium Wood Sealer, 1 Gallon - Outdoor Use

SEAL-ONCE Coastal Gray NANO+POLY Premium Wood Sealer, 1 Gallon - Outdoor UseSeal Once Coastal Gray NANO POLY Premium Wood Sealer 1 GallonSeal Once Brown NANO POLY Premium Wood Sealer 1 GallonSeal Once Bronze Cedar NANO POLY Premium Wood Sealer 5 GallonSeal Once Mahogany NANO POLY Premium Wood Sealer 1 GallonSeal Once Bronze Cedar NANO POLY Premium Wood Sealer 1 GallonSeal Once Natural NANO POLY Premium Wood Sealer 5 GallonSeal Once Coastal Gray NANO POLY Premium Wood Sealer 5 GallonSeal Once Cedar NANO POLY Premium Wood Sealer 1 GallonSeal Once Light Brown NANO POLY Premium Wood Sealer 5 GallonSeal Once Natural NANO POLY Premium Wood Sealer 1 GallonSeal Once Light Brown NANO POLY Premium Wood Sealer 1 GallonSeal Once Redwood NANO POLY Premium Wood Sealer 1 Gallon
Size:1 gal
Actual Color:Gray

Key item features

  • Advanced Formulation: Features a proprietary nanotechnology formula fused with polyurethane for maximum flexibility and durability, penetrating deep to form a lasting, water-resistant barrier.
  • Eco-Conscious Design: Water-based, eco-friendly, and ultra-low VOC formulation, ensuring it is odorless and safe for people, plants, pets, and surrounding landscaping.
  • Versatile Application: Suitable for various outdoor wood surfaces including decks, fences, wood siding, log homes, outdoor furniture, swing sets, and pergolas.
  • Color Options: Available in Clear and Ready Mixed Colors, such as Coastal Gray, Light Brown, and Natural, offering diverse aesthetic choices.
  • Durable Protection: Provides comprehensive wood safeguards with a durable matte sheen and fully-transparent coverage, resisting rot, decay, cupping, and wear in high-traffic areas.
  • Easy Maintenance: Allows for simple clean-up with just soap and water, enhancing user convenience.
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Current price is $64.98
Price when purchased online
  • Free shipping
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Ships to
Arrives by Sun, Jun 14
Sold by U-C Coatings
Fulfilled by Walmart
4.636363636363637 stars out of 5, based on 33 seller reviews(4.6)
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About this item

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Customer ratings & reviews

4.7 out of 5 stars
stars20 ratings14 reviews
How item rating is calculated
  1. 5 stars80% (16)
  2. 4 stars10% (2)
  3. 3 stars5% (1)
  4. 2 stars5% (1)
  5. 1 star0% (0)
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Showing 1-3 of 14 reviews

May 26, 2026
anonymous
Item details
Size: 1 gal
Color: Bronze
Sold and shipped byU-C Coatings
5 out of 5 stars review

Verified Purchase

The product work better than expected. I'm glad I made my decision on this product.

Incentivized Review
Helpful?7H76OXN37RMS348028576
reply from uccoatings Team

Thank you for your feedback, we’re happy to hear that this product worked well for your application!

Nov 6, 2025
Chris
5 out of 5 stars review

Seller Verified Purchase

Excellent Stain and Sealer

This is one the best stain/sealers on the market. It goes on easy, clean up is easy, and lasts a long time. The color tint is excellent.

Review from UC Coatings
Helpful?7H76OXN37RMS348028576
May 31, 2025
kathleen
Top Reviewer
Item details
Size: 1 gal
Color: Brown
Sold and shipped byU-C Coatings
5 out of 5 stars review

Verified Purchase

Deck stain

Yes, “Seal Once”…once a year.

Helpful?7H76OXN37RMS348028576
reply from uccoatings Team

Thank you for your feedback, we’re happy to hear that this product worked well for your application!