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Seal-Once Nano Penetrating Wood Sealer - Premium Waterproof Sealant - 1 Gallon Clear Wood Sealant

4.3 4.3 out of 5 stars 343 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Hardware Sealers by Seal-Once

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1 Gallon

Purchase options and add-ons

Material Wood
Brand Seal-Once
Style Compact
Item Weight 8.84 Pounds
Item Dimensions LxWxH 7 x 7 x 9 inches

About this item

  • CLEAR SEALANT: Our water-based sealer provides top-notch protection against wear and tear in high traffic areas. It’s odorless and ideal for use on wood siding, log homes, swing sets, outdoor furniture, wooden decks and fences, and more.
  • WOOD SEALANT: Unlike many sealers that only form a topcoat, our protector penetrates below the surface to create a long-lasting, water-resistant shield around the wood.
  • FLOOR SEALER APPLICATOR: Our premium gloss is ultra-low VOC and great for enhancing the extended life of your exterior flooring.
  • WATERPROOF SEALER: Ditch the oil-based sealers and choose a UV-stable coating option. Our fast-drying liquid creates a flexible, breathable barrier and provides a no-fuss, easy clean-up with soap and water, as it allows the wood to grey naturally.
  • SEAL-ONCE: Our user-friendly wood sealers and stains are an effective way to protect your lumber or concrete against water damage.
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Additional Details

Small Business
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Customer ratings by feature

Easy to use
4.4 4.4
Sheerness
3.9 3.9
Longevity
3.6 3.6

Frequently bought together

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Product Description

UC Coating Line of Products
Wood Sealers
Seals and Protects for up to 10 years on vertical surfaces

First Coat

Second Coat

Apply in shade and out of direct sunlight

Won't harm family or pets
Ways to add color to your project with ready mix colors and add in tints.
Nano+Poly Clear/Matte Marine Nano Exotic NANO + POLY Concrete and Masonry Sealer Multi-Surface Concentrate
NANO + POLY Marine NANO Exotic NANO + POLY Concrete and Masonry Sealer Multi-Surface Concentrate
Customer Reviews
4.5 out of 5 stars
866
4.5 out of 5 stars
1,367
4.3 out of 5 stars
343
4.1 out of 5 stars
110
4.3 out of 5 stars
70
Recommended Applications Decks & fences, wood siding, log homes, outdoor furniture, swing sets, pergola, thermally modified wood, and shakes Docks & piers, outdoor furniture, thermally modified wood, swing sets, pool decks, and walkways Fences, wood siding, log homes, shake roofs, thermally modified wood, outdoor furniture, swing sets, pergola, shakes, and decks Exotic woods/hardwood decking, thermally modified wood Brick/masonry, bricks, pavers, and concrete patios Docks, piers, patios, walkways and steps, stamped and poured concrete, pavers, bricks, mortar, grout, unglazed tile & stucco, railings, shingles, shake roofs, siding, fences, outdoor furniture, play structures, log homes, hard and soft woods
Colors Clear, Black, Bronze Cedar, Brown, Cedar, Coastal Gray, Light Brown, Mohogany, Natural, and Redwood Clear, Bronze Cedar, Natural, and Coastal Gray Clear, also available to be tinted Clear and Light Brown, also available to be tinted Clear Clear
Water Based Formula
Surface Dry Time 3-4 hours 2-3 hours 2-3 hours 3-4 hours 3-4 hours 2-3 hours
Full Cure Time 24-48 hours depending on temperature and humidity 12-24 hours depending on temperature and humidity 12-24 hours depending on temperature and humidity 24-48 hours depending on temperature and humidity 24-48 hours depending on temperature and humidity 12-24 hours depending on temperature and humidity
Approximate Coverage 150-300 sq. ft. 150-300 sq. ft. 150-300 sq. ft. 150-300 sq. ft. 150-300 sq. ft. 150-300 sq. ft.

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Product information

Technical Details

Additional Information

Warranty & Support

Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.
Product Warranty: For warranty information about this product, please click here

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Seal-Once Nano Penetrating Wood Sealer - Premium Waterproof Sealant - 1 Gallon Clear Wood Sealant


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Seal-Once Nano Penetrating Wood Sealer - Premium Waterproof Sealant - 1 Gallon Clear Wood Sealant
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Price$59.98$22.49$63.98$29.98$18.99$307.98
Delivery
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Get it as soon as Wednesday, Apr 3
Customer Ratings
Easy to use
4.4
4.4
4.5
Sheerness
3.9
3.9
4.4
Longevity
3.6
3.6
4.0
Sold By
SEAL-ONCE / ANCHORSEAL
SEAL-ONCE / ANCHORSEAL
TheStainDepot
OAIEGSD
RainGuardPro
SEAL-ONCE / ANCHORSEAL
material
Wood
Wood
Wood
Concrete Sealer Silane/Siloxane
Silicone
Polyurethane
form
Liquid
Liquid
Liquid
Liquid
Spray
Liquid
surface suggestion
Wood
Wood
Wood
Concrete
Wood
Furniture,Siding,Wood
compatible material
Wood
Concrete, Wood
Wood
Concrete
Wood
Concrete, Wood
stain resistant
water resistance
waterproof
water resistant
water resistant
water repellent
water resistant
weight
8.84 pounds
9 pounds
8 pounds
style
Compact
Compact
Compact
Rainproof & waterproof
Protection
Protection

Customer reviews

4.3 out of 5 stars
4.3 out of 5
343 global ratings

Customers say

Customers like the quality, ease of use, and color of the sealant. For example, they say it's effective, brings out the wood's color, and is easy to apply with a brush or roller. That said, some complain about the durability, saying it fades after a few months. Opinions are mixed on water resistance.

AI-generated from the text of customer reviews

21 customers mention17 positive4 negative

Customers like the quality of the sealant. They say it's an excellent product that works well in the rain and grass. Some say that the effort was worth it and it'll last a long time.

"Honestly I wasn't sure but bought it anyway and it works great after a month. I put it on our table and benches and the water runs off...." Read more

"Used this on my deck. Not as glossy as I wanted but seals wood up well." Read more

"...But so far the effort was worth it. The finish went on easily and no odor. Even with two coats we had more product left than we had estimated...." Read more

"easy to use, unimpressive finish" Read more

13 customers mention13 positive0 negative

Customers find the sealant easy to apply and clean up. They mention that it works well, soaks into the wood, and has no odor. Customers also appreciate the world-class technical support.

"...It's very easy to work with. Of note: it is white if you don't color it and greyish if you do, but that is not the color it dries." Read more

"...So easy to apply. No mess. Goes on like water. Great product." Read more

"...I allowed the deck to dry for two rain-free days. The product went on easily (horizontally on walking boards & steps) with two coats applied and a..." Read more

"Easy to use. Water beads up after rains. Seems to be a good product but will know more in 6 months ths to a year." Read more

5 customers mention5 positive0 negative

Customers are satisfied with the color of the sealant. They mention that it brings out the wood's color and does not change the color. Some say that it dries clear and brings out wood tones.

"...What a beautiful color, first off. The water repellent is great on the Nano...." Read more

"Once the old stain and mold are removed, this brings out the wood's color." Read more

"...It beads when it has enough. It does not change the color of the wood.We tried to apply more but the wood was sealed...." Read more

"...But; IT REALLY does the job. Dries clear. Brings out wood tones. I spilled some on my painted deck...." Read more

4 customers mention4 positive0 negative

Customers find the sealant easy to clean. They mention that it cleans with soap and water.

"...It's very easy to use and cleans with soap and water. Rain beaded up on the deck surface for about three or four months, then not so much...." Read more

"...Cleans up easily with water. After it dries it really repels water." Read more

"Seems to be a good repellent, although it's very thin. Clean up is easy." Read more

"Easy application and clean up, virtually no smell...." Read more

10 customers mention6 positive4 negative

Customers are mixed about the water resistance of the sealant. Some mention that it really repels water, while others say that it soaks into the wood.

"Easy to use. Water beads up after rains. Seems to be a good product but will know more in 6 months ths to a year." Read more

"...It's a very watery product, so be careful not to waste it when applying it. We used a brush rather than a sprayer so we could stretch it out...." Read more

"...It's very easy to use and cleans with soap and water. Rain beaded up on the deck surface for about three or four months, then not so much...." Read more

"...Cleans up easily with water. After it dries it really repels water." Read more

6 customers mention0 positive6 negative

Customers are dissatisfied with the durability of the sealant. They mention that it fades, discolors, and wears off quickly. Some say that the product is not as glossy as they had hoped for, but it still seals wood up well.

"Used this on my deck. Not as glossy as I wanted but seals wood up well." Read more

"Put on my above ground planter. Wood started to fade almost in a few months. Went ahead an painted over it." Read more

"...The product just sort of flakes and wears off,-and I put on two coats as recommended...." Read more

"...time, washed clean and vacuumed for reapplication - product is already fading after 4 months. I would consider this an INDOOR PRODUCT ONLY!..." Read more

EAsy to apply and seem to do the job
5 Stars
EAsy to apply and seem to do the job
Water beads off the surface really well. Now lets see how long it lasts
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