Seal-Once 1 gal. Clear Water-Based Waterproofing Exterior Sealer, Eco-Friendly Barrier, Low VOC
$41.39
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Seal-Once 1 gal. Clear Water-Based Waterproofing Exterior Sealer, Eco-Friendly Barrier, Low VOC
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Seal-Once 1 gal. Clear Water-Based Waterproofing Exterior Sealer, Eco-Friendly Barrier, Low VOC
Item # 2494331
Color:
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Limited Time Deal
Seal-Once 1 gal. Clear Water-Based Waterproofing Exterior Sealer, Eco-Friendly Barrier, Low VOC
Item # 2494331
Color:
This item is available online only
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Get everything you need
Neighbor’s Club Members earn points with purchases.
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.
| Brand | Seal-Once |
|---|---|
| Country of Origin | Made in USA |
| Cleanup | Soap |
| Container Size | 1 gal. |
| Coverage Area | 350 SQ FT |
| Dry to Touch | 1.5 hr. |
| Features | WATERPROOFULTRA-LOW VOCALGAE RESISTANTMILDEW RESISTANTMOISTURE RESISTANTMOLD RESISTANTSEALERALLOWS WOOD TO AGE & GRAY NATURALLY WITHOUT DECAYDRIES CLEAR |
| Finish | Clear |
| Minimum Application Temperature | 50 deg. F |
| Package Quantity | 1 |
| Paint Base | Water |
| Surface Compatibility | Wood |
| Recommended Number Of Coats | 2 |
| Time Before Recoating | 0.25 hr. |
| VOC Content | 62 g/L |
| Warranty | 6 YEARS HORIZONTAL / 10 YEARS VERTICAL |
| Color | No Color |
| Manufacturer Part Number | SO0005 |
Have a question?
Start typing your question and we'll check if it was already asked and answered.
1 - 10 of 22 Questions
Newest questions
Q: Is the finish glossy?
2 days ago0 Answers
Q: Is it a satin or shiny finish
15 days ago1 Answer
- A: Hi Prayer shed! This has a flat/satin-like finish.13 days agoHelpful?
Q: can it be used over Trex
19 days ago1 Answer
- A: Hi Dave- No. You cannot apply another stain, sealer, or paint over a previously applied layer of SEAL-ONCE Clear Exterior Sealer.17 days agoHelpful?
Q: 7+12 utility trailer wood deck how many gallons to do
a month ago1 Answer
- A: Hi Dawg69! Coverage Area is 350 SQ FT so you will need roughly 2 gallons of Seal-Once sealer.27 days agoHelpful?
Q: Can I use this on plywood sub top for an exterior stone counter?
2 months ago1 Answer
- A: Plywood is notorious for absorbing moisture. Seal-Once will slow it down but not stop it. New pressure treated wood will need to weather 3 months in warm weather before you clean and apply Seal-Once. (Moisture content must be under 20%) FYI: Seal-Once is not appropriate and not tough enough for use on a boat, shop floors, trailer floors, sub floors, sub countertops, or roofing construction. You cannot apply stain, sealers, primer, paint, glue, epoxy, polyurethane, or varnish over Seal-Once. They will bead up and roll off. Also, you cannot apply Seal-Once products over stain, sealers, primer, paint, glue, epoxy, polyurethane, or varnish. Seal-Once will not penetrate leaving un-even shiny/sticky spots. We do not make any products for your project. You need an industrial sealer. We do not make that type of product.2 months agoHelpful?
Q: Can it be applied over stain and sanded spar varnish that has been stripped
2 months ago1 Answer
- A: Do not apply Seal-Once over stain or varnish. There may be old product hidden deep in the wood pores and Seal-Once will not penetrate leaving un-even shiny sticky spots. You cannot apply Seal-Once products over stain, sealers, primer, paint, polyurethane, or varnish. Seal-Once will not penetrate leaving un-even shiny/sticky spots. Also, you cannot apply stain, sealers, primer, paint, polyurethane, or varnish over Seal-Once. They will bead up and roll off.2 months agoHelpful?
Q: What is the best way to apply this product to the wood?
2 months ago1 Answer
- AI-assisted, Human-approvedA: Hi Neighbor- The best way to apply this sealer is using a brush to push the product into the wood. If you spray or roll it on, you must immediately back-brush the area. Apply two thin coats "wet on wet," meaning the second coat should be applied within 20 minutes while the first is still wet.2 months agoHelpful?
Q: Is this Acrylic Resin
3 months ago1 Answer
- A: Hi Neighbor! Seal-Once Clear Water-Based Waterproofing Exterior Sealer is an eco-friendly product specifically designed for exterior wood surfaces. It is a low VOC formulation that creates a flexible, breathable barrier against moisture, allowing wood to expand and contract without peeling.3 months agoHelpful?
Q: Can this be used on honey bee hive boxes?
4 months ago1 Answer
- A: Do not apply Seal-Once to a bee hive box. We do not recommend any Seal-Once product for animal or insect cages or enclosures. Also, we do not have FDA approval for use around food/honey.4 months agoHelpful?
Q: how long does it take to dry
5 months ago2 Answers
- A: Allow 2-3 hours, depending on temperature and humidity, for surface to dry. Allow 24 hours for full cure. Seal-Once is for exterior wood surfaces. We do not make any interior products.5 months agoHelpful?
1 - 10 of 22 Questions
Q&As
Have a question?
Start typing your question and we'll check if it was already asked and answered.
1 - 10 of 22 Questions
Newest questions
Q: Is the finish glossy?
2 days ago0 Answers
Q: Is it a satin or shiny finish
15 days ago1 Answer
- A: Hi Prayer shed! This has a flat/satin-like finish.13 days agoHelpful?
Q: can it be used over Trex
19 days ago1 Answer
- A: Hi Dave- No. You cannot apply another stain, sealer, or paint over a previously applied layer of SEAL-ONCE Clear Exterior Sealer.17 days agoHelpful?
Q: 7+12 utility trailer wood deck how many gallons to do
a month ago1 Answer
- A: Hi Dawg69! Coverage Area is 350 SQ FT so you will need roughly 2 gallons of Seal-Once sealer.27 days agoHelpful?
Q: Can I use this on plywood sub top for an exterior stone counter?
2 months ago1 Answer
- A: Plywood is notorious for absorbing moisture. Seal-Once will slow it down but not stop it. New pressure treated wood will need to weather 3 months in warm weather before you clean and apply Seal-Once. (Moisture content must be under 20%) FYI: Seal-Once is not appropriate and not tough enough for use on a boat, shop floors, trailer floors, sub floors, sub countertops, or roofing construction. You cannot apply stain, sealers, primer, paint, glue, epoxy, polyurethane, or varnish over Seal-Once. They will bead up and roll off. Also, you cannot apply Seal-Once products over stain, sealers, primer, paint, glue, epoxy, polyurethane, or varnish. Seal-Once will not penetrate leaving un-even shiny/sticky spots. We do not make any products for your project. You need an industrial sealer. We do not make that type of product.2 months agoHelpful?
Q: Can it be applied over stain and sanded spar varnish that has been stripped
2 months ago1 Answer
- A: Do not apply Seal-Once over stain or varnish. There may be old product hidden deep in the wood pores and Seal-Once will not penetrate leaving un-even shiny sticky spots. You cannot apply Seal-Once products over stain, sealers, primer, paint, polyurethane, or varnish. Seal-Once will not penetrate leaving un-even shiny/sticky spots. Also, you cannot apply stain, sealers, primer, paint, polyurethane, or varnish over Seal-Once. They will bead up and roll off.2 months agoHelpful?
Q: What is the best way to apply this product to the wood?
2 months ago1 Answer
- AI-assisted, Human-approvedA: Hi Neighbor- The best way to apply this sealer is using a brush to push the product into the wood. If you spray or roll it on, you must immediately back-brush the area. Apply two thin coats "wet on wet," meaning the second coat should be applied within 20 minutes while the first is still wet.2 months agoHelpful?
Q: Is this Acrylic Resin
3 months ago1 Answer
- A: Hi Neighbor! Seal-Once Clear Water-Based Waterproofing Exterior Sealer is an eco-friendly product specifically designed for exterior wood surfaces. It is a low VOC formulation that creates a flexible, breathable barrier against moisture, allowing wood to expand and contract without peeling.3 months agoHelpful?
Q: Can this be used on honey bee hive boxes?
4 months ago1 Answer
- A: Do not apply Seal-Once to a bee hive box. We do not recommend any Seal-Once product for animal or insect cages or enclosures. Also, we do not have FDA approval for use around food/honey.4 months agoHelpful?
Q: how long does it take to dry
5 months ago2 Answers
- A: Allow 2-3 hours, depending on temperature and humidity, for surface to dry. Allow 24 hours for full cure. Seal-Once is for exterior wood surfaces. We do not make any interior products.5 months agoHelpful?
1 - 10 of 22 Questions
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Reviews
Summary of Reviews
Customers overwhelmingly praise this wood sealer for its ease of application, clear finish, and natural appearance. Most highlight the milky-white application that turns clear upon drying, making coverage gaps visible and final results professional-looking without altering wood color. Many report st...
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1 to 4 of 59 Reviews .
1 – 4 of 59 Reviews
Most Recent
HannahL
Review 1
5 out of 5 stars.
Nice Sealer
16 days ago
Thís looks great on finished projects we do around the house and seems to do well with protecting it. Sealer goes on smooth and soaks in very well. Great stuff.
Originally posted on UC Coatings
DorfnerJustDorfner
WV
Review 1
Age65 or over
GenderFemale
5 out of 5 stars.
Dazed and Amazed
20 days ago
Beautiful finish without the shining glare I see with most wood treatments and is barely, and I mean barely, changed the way the boards appeared. EASY to use!! I highly recommend this product if you want your raw wood sealed without changing the natural appearance. I am so impressed.
Yes, I recommend this product.
Originally posted on UC Coatings
elizabeth123
Review 1
Age55 to 64
GenderFemale
2 out of 5 stars.
remained sticky
27 days ago
This product was sticky after the dry time and it was applied correctly but still remained sticky,
No, I do not recommend this product.
Originally posted on UC Coatings
Review 1
5 out of 5 stars.
Goes on clear.
a month ago
Goes on clear. We will see how it works after time
SweepstakesYes
Yes, I recommend this product.
Response from uccoatings Team:
20 days ago
uccoatings Team
Thank you for your feedback, we’re happy to hear that this product worked well for your application!
