The Seal-Once 1 gal. Clear Water-Based Waterproofing Exterior Sealer provides protection and stability for wood that finishes and performs, as well as an oil base, and withstands harsh environments near open water. Water based, eco-friendly and ultra-low VOC ensures the product is safer for people, pets and plants and is non-hazardous to aquatic life. Formulated to penetrate below the surface, creating a flexible and breathable barrier that expands and contracts with the elements, resists abrasion, plus protects against UV fading and water damage. For use on docks, decks, fences and siding. Use this waterproofing sealer to seal and protect up to 10 years on vertical surfaces and 6 years on horizontal surfaces.

Penetrates below the surface
Water-based, eco-friendly and ultra-low VOC waterproofing sealer
Resists abrasion for durability
Repeals moisture within 4 hours
Creates a flexible and breathable barrier
Protects against UV fading and water damage
Withstands harsh environments near open water
Non-hazardous to aquatic life
Seals and protects up to 10 years on vertical surfaces and 6 years on horizontal surfaces
Covers up to 90 sq ft.

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Reviews

Rating Snapshot

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34 reviews with 5 stars.

6 reviews with 4 stars.

1 review with 3 stars.

1 review with 2 stars.

3 reviews with 1 star.

Overall Rating

4.5

6 out of 7 (86%) reviewers recommend this product

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1 to 4 of 45 Reviews .

1 – 4 of 45 Reviews

Anonymous

Chetek, Wi

Review 1

5 out of 5 stars.

Good product

20 hours ago

Clean, clear and easy to mix and apply

SweepstakesYes

Yes, I recommend this product.

Response from uccoatings Team:

11 hours ago

uccoatings Team

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

colorado

Review 1

5 out of 5 stars.

Made the wood floor of my trailer look great!

8 days ago

I put two coats on and it looks great plus water beads up nicely. I think it will protect for several years.

SweepstakesYes

Yes, I recommend this product.

Response from uccoatings Team:

6 days ago

uccoatings Team

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

AnnaW

Review 1

5 out of 5 stars.

Nice sealer!

11 days ago

So excited to try this on a deck when we buy a house! The scent, appearance, coverage, no peeling or reapplication necessary! Great product reviews!

Originally posted on influenster.com

AndrewH

Review 1

4 out of 5 stars.

Good coverage, easy to apply

13 days ago

I wound up sealing a banister on my stairs in the basement, went on in 2 coats, really liked how it turned out, it went on pretty smooth too, no complaints

Originally posted on influenster.com

Seal-Once 1 gal. Clear Water-Based Waterproofing Exterior Sealer, Eco-Friendly Barrier, Low VOC, Clear

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Reviews

Rating Snapshot

Overall Rating

Review this Product

Good product

Made the wood floor of my trailer look great!

Nice sealer!

Good coverage, easy to apply