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

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

4.6 stars out of 16 reviews
(4.6)|
16 ratings
SEAL-ONCE Brown NANO+POLY Premium Wood Sealer, 1 Gallon - Outdoor UseSeal Once Brown NANO POLY Premium Wood Sealer 1 GallonSeal Once Black NANO POLY Premium Wood Sealer 1 GallonSeal Once Mahogany NANO POLY Premium Wood Sealer 1 GallonSeal Once Bronze Cedar NANO POLY Premium Wood Sealer 1 GallonSeal Once Cedar NANO POLY Premium Wood Sealer 1 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 GallonSeal Once Coastal Gray NANO POLY Premium Wood Sealer 1 GallonSeal Once Bronze Cedar NANO POLY Premium Wood Sealer 5 GallonSeal Once Natural NANO POLY Premium Wood Sealer 5 GallonSeal Once Coastal Gray NANO POLY Premium Wood Sealer 5 GallonSeal Once Light Brown NANO POLY Premium Wood Sealer 5 Gallon
Size:1 gal-Out of stock
Actual Color:Brown-Out of stock

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-Friendly Design: Water-based, ultra-low VOC, and odorless, ensuring safety for people, plants, pets, and surrounding landscaping.
  • Comprehensive Protection: Provides 360 protection against rot, decay, cupping, wear, tear, UV fading, water damage, and mildew, while allowing wood to naturally expand and contract.
  • Versatile Application: Suitable for various outdoor wood surfaces including decks, fences, wood siding, log homes, outdoor furniture, swing sets, and pergolas.
  • Easy Maintenance: Allows for simple clean-up with just soap and water.
  • Color Options: Available in Clear and Ready Mixed Colors, such as Coastal Gray, Light Brown, and Natural.
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Current price is $64.98
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4.6 out of 5 stars
stars16 ratings12 reviews
How item rating is calculated
  1. 5 stars81% (13)
  2. 4 stars6% (1)
  3. 3 stars6% (1)
  4. 2 stars0% (0)
  5. 1 star6% (1)
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Showing 1-3 of 12 reviews

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?7H76OXN37RMS284515276
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?7H76OXN37RMS284515276
reply from uccoatings Team

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

May 27, 2025
Fred J
5 out of 5 stars review

Wooden Deck Preserved

The NANO+POLY Wood Sealer is the best I've every used. I purchased last year and used on new deck boarding and decided I would seal again this year even though I don't think it needs it. The boards have dried and very small cracks are appearing and I thought it would be best to get the "new exposed wood' sealed. My plans are to keep using the sealant.

Review from UC Coatings
Helpful?7H76OXN37RMS284515276