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SEAL-ONCE Light Brown NANO+POLY Premium Wood Sealer, 5 Gallon - Outdoor Use

4.6 stars out of 16 reviews

(4.6)|

Size:5 gal

Actual Color:Light Brown

Key item features

Proprietary nanotechnology formula fused with polyurethane for maximum flexibility and durability.
Penetrates deep beneath the wood surface to form a lasting, water-resistant barrier at the cellular level, resisting rot, decay and cupping.
Water-based, eco-friendly, and ultra-low VOC formulation; odorless and safe for people, plants, pets, and surrounding landscaping.
Easy clean-up with soap and water.
Available in Clear and Ready Mixed Colors, including Coastal Gray, Light Brown, Natural, and more.
Suitable for decks, fences, wood siding, log homes, outdoor furniture, swing sets, pergolas, and more.

Specs

Industrial sealant type
Wood Sealer
Rec. use
Wood
Recommended surface
Floor
Dry time
1 h
Rec location
Indoor and Outdoor
Color
Light Brown

Current price is $317.98

Price when purchased online

Free shipping

How do you want your item?

Columbus, 43215

Arrives by Mon, Mar 2

Sold and shipped by U-C Coatings

4.5 stars out of 5, based on 20 seller reviews(4.5)

Report an issue with this seller

Return policy

About this item

Product details

Protect and beautify your wood surfaces with SEAL-ONCE NANO+POLY Premium Wood Sealer, offering advanced nanotechnology combined with the durable strength of polyurethane. Designed for outdoor use, this innovative wood sealer provides comprehensive 360° protection, allowing wood to naturally expand and contract while shielding against wear, tear, UV fading, water damage, and mildew. Choose SEAL-ONCE NANO+POLY Premium Wood Sealer in 1 Gallon or 5 Gallon sizes for a reliable, eco-friendly solution to preserve and protect your outdoor wood projects.

Proprietary nanotechnology formula fused with polyurethane for maximum flexibility and durability.
Penetrates deep beneath the wood surface to form a lasting, water-resistant barrier at the cellular level, resisting rot, decay and cupping.
Water-based, eco-friendly, and ultra-low VOC formulation; odorless and safe for people, plants, pets, and surrounding landscaping.
Easy clean-up with soap and water.
Available in Clear and Ready Mixed Colors, including Coastal Gray, Light Brown, Natural, and more.
Suitable for decks, fences, wood siding, log homes, outdoor furniture, swing sets, pergolas, and more.

info:

We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.

Specifications

Industrial sealant type

Wood Sealer

Rec. use

Wood

Recommended surface

Floor

Dry time

1 h

Warranty

Warranty information

U-C Coatings, LLC makes every effort to maintain uniformity in our products from shipment to shipment. However: (1) wood and material behavior can be different from species to species or compound to compound, and will change due to weather, temperature, and other environmental factors. (2) U-C Coatings, LLC has no control over how and when our products are used. Therefore, U-C Coatings, LLC cannot guarantee product effectiveness. U-C Coatings, LLC warrants our products for a period of thirty (30) days from date of purchase unless otherwise stated on the packaging label. If the product is defective, U-C Coatings, LLC at our sole option shall replace the product or refund the purchase price. U-C Coatings, LLC shall not have liability for any other damages of any kind, whether direct, incidental, consequential, punitive or otherwise for any defect in our products.

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.

Warranty url

https://cdn.shopify.com/s/files/1/0861/7964/3679/files/Warranty_Image.jpg?v=1722346694

Customer ratings & reviews

4.6 out of 5 stars

stars16 ratings12 reviews

How item rating is calculated

Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.

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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?

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?

reply from uccoatings Team

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

May 30, 2025

bruce

Item details

Size: 1 gal

Color: Black

Sold and shipped byU-C Coatings

5 out of 5 stars review

Verified Purchase

good paint

Helpful?

reply from uccoatings Team

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

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SEAL-ONCE Light Brown NANO+POLY Premium Wood Sealer, 5 Gallon - Outdoor Use

Key item features

Specs

How do you want your item?

About this item

Product details

Specifications

Industrial sealant type

Rec. use

Recommended surface

Dry time

Warranty

Warranty information

Warranty url

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