
SEAL-ONCE NANO Flat Clear Water-Based Premium Wood Sealer 5 gal - Outdoor Use
(No ratings yet)
Key item features
- Deep-penetrating nanotechnology bonds at the cellular level to protect wood from water intrusion, decay, and long-term weathering.​
- Transparent, flat finish enhances natural wood beauty while yielding a smoother surface for easy staining or finishing.
- Water-based, ultra-low VOC formula is eco-friendly and safe for use around people, pets, and plants.
- Flexible, breathable seal allows wood to expand and contract naturally, helping prevent warping, cracking, and cupping.
- Provides up to 6-10 years of durable outdoor protection on decks, fences, siding, and exterior wood projects.​
- Full Cure Time: 12 hr.
- VOC Level: 28 g/L
- Time Before Recoating: 30 min
- Transparency: Fully-Transparent
- Indoor or Outdoor: Indoor and Outdoor
- Clear formula allows for smoother finish, more even color and easier application of water and solvent based stains and finishes in woodworking applications
Specs
- Wood finish typeWater Based
- BrandSEAL-ONCE
- ColorClear
- FinishFlat
- Rec. useExterior
- Coverage area500 sq ft
Current price is USD$302.98
Price when purchased online
- Free shipping
How do you want your item?
Columbus, 43215
Arrives by Thu, Feb 26
|Sold and shipped by U-C Coatings
4.5 stars out of 5, based on 20 seller reviews(4.5)20 seller reviews
Return policy
About this item
Product details
SEAL-ONCE NANO Flat Clear Water-Based Premium Wood Sealer delivers advanced nanotechnology protection for your outdoor wood projects while letting the natural grain and character of wood shine through. Its deep-penetrating, eco-friendly formula is engineered to create a powerful water-repellent barrier at the cellular level, significantly reducing the risk of rot, warping, or cracking in decks, fences, and siding—even under the toughest weather conditions. With ultra-low VOCs and a water-based base, this sealer is safe for people, pets, and plants, supporting sustainable outdoor living. Quick to dry, easy to apply, and offering up to a decade of protection, SEAL-ONCE NANO Flat Clear is the go-to solution for long-lasting, natural-looking resilience in large-scale exterior wood applications.
- Deep-penetrating nanotechnology bonds at the cellular level to protect wood from water intrusion, decay, and long-term weathering.​
- Transparent, flat finish enhances natural wood beauty while yielding a smoother surface for easy staining or finishing.
- Water-based, ultra-low VOC formula is eco-friendly and safe for use around people, pets, and plants.
- Flexible, breathable seal allows wood to expand and contract naturally, helping prevent warping, cracking, and cupping.
- Provides up to 6-10 years of durable outdoor protection on decks, fences, siding, and exterior wood projects.​
- Full Cure Time: 12 hr.
- VOC Level: 28 g/L
- Time Before Recoating: 30 min
- Transparency: Fully-Transparent
- Indoor or Outdoor: Indoor and Outdoor
- Clear formula allows for smoother finish, more even color and easier application of water and solvent based stains and finishes in woodworking applications
info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it. Â
Specifications
Wood finish type
Water Based
Brand
SEAL-ONCE
Color
Clear
Finish
Flat
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.
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.
Warnings
Warning Text
proposition 65 reasons:titanium dioxide, other chemicals
Similar items you might like
Based on what customers bought
SEAL-ONCE NANO Flat Clear Water-Based Premium Wood Sealer 1 Gallon - Outdoor Use $59.98
$5998current price $59.98SEAL-ONCE NANO Flat Clear Water-Based Premium Wood Sealer 1 Gallon - Outdoor Use
143.6 out of 5 Stars. 14 reviews8-Pack of 1 gal Ready Seal 130 Mahogany Exterior Stain & Sealer For Wood $302.22
7 optionsAvailable in additional 7 options$30222current price $302.228-Pack of 1 gal Ready Seal 130 Mahogany Exterior Stain & Sealer For Wood
13 out of 5 Stars. 1 reviewsSeal-once 1 gal Marine with Nano Guard Clear Water-Based Premium Wood Sealer, Pack of 4 $153.03
$15303current price $153.03Seal-once 1 gal Marine with Nano Guard Clear Water-Based Premium Wood Sealer, Pack of 4
11 out of 5 Stars. 1 reviewsSEAL-ONCE MARINE Bronze Cedar Waterproof Wood Sealer, 1 Gallon - Outdoor Use $69.98
8 optionsAvailable in additional 8 options$6998current price $69.98SEAL-ONCE MARINE Bronze Cedar Waterproof Wood Sealer, 1 Gallon - Outdoor Use
544.5 out of 5 Stars. 54 reviewsNatural, Wolman F&P Exterior Wood Finish and Preservative Stain- 5 Gallon $249.95 $49.99/gl
$24995current price $249.95$49.99/glNatural, Wolman F&P Exterior Wood Finish and Preservative Stain- 5 Gallon
25 out of 5 Stars. 2 reviewsReady Seal 510 Exterior Stain and Sealer for Wood, 5-Gallon, Golden Pine $203.41
$20341current price $203.41Ready Seal 510 Exterior Stain and Sealer for Wood, 5-Gallon, Golden Pine
5 gal Penofin F3MCM5G Cedar Red Label Ultra Premium Stain (250-VOC) $218.39 Was $289.99
$21839current price $218.39, Was $289.99$289.995 gal Penofin F3MCM5G Cedar Red Label Ultra Premium Stain (250-VOC)
35 out of 5 Stars. 3 reviews1 Gallon Oil Based Premium Spar Urethane [Set of 2] $186.75
$18675current price $186.751 Gallon Oil Based Premium Spar Urethane [Set of 2]
Wolman F&P Oil-Based Wood Finish & Preservative Transparent Stain - Cedar - 4 Pack, Gallon $183.39
$18339current price $183.39Wolman F&P Oil-Based Wood Finish & Preservative Transparent Stain - Cedar - 4 Pack, Gallon
Penofin 1675834 1 gal Penofin Ultra Premium Transparent Oil-Based Wood Stain, Cedar - Pack of 4 $237.69
$23769current price $237.69Penofin 1675834 1 gal Penofin Ultra Premium Transparent Oil-Based Wood Stain, Cedar - Pack of 4
DEFY Extreme 5 Gallon Semi-Transparent Exterior Wood Stain, Natural Pine $269.99
14 optionsAvailable in additional 14 options$26999current price $269.99DEFY Extreme 5 Gallon Semi-Transparent Exterior Wood Stain, Natural Pine
143.8 out of 5 Stars. 14 reviews5 gal ProLuxe SIK250-077 Cedar SRD RE Reduced Emissions One-Coat Protection for Exterior Wood, Transparent Matte $261.25 Was $304.07
$26125current price $261.25, Was $304.07$304.075 gal ProLuxe SIK250-077 Cedar SRD RE Reduced Emissions One-Coat Protection for Exterior Wood, Transparent Matte
35 out of 5 Stars. 3 reviews2-Pack of 1 gal Ready Seal 145 Burnt Hickory Exterior Stain & Sealer for Wood $97.51
$9751current price $97.512-Pack of 1 gal Ready Seal 145 Burnt Hickory Exterior Stain & Sealer for Wood
5 gal Ready Seal 370045 Natural Cedar Exterior Stain and Sealer For Wood $181.97
$18197current price $181.975 gal Ready Seal 370045 Natural Cedar Exterior Stain and Sealer For Wood
454.8 out of 5 Stars. 45 reviewsPenofin F5MCMGA Ultra Premium Red Label- Cedar - 1 Gallon $281.95
$28195current price $281.95Penofin F5MCMGA Ultra Premium Red Label- Cedar - 1 Gallon
Ready Seal Exterior Stain and Sealer - 3 Gallon Kit (Natural Cedar 112) - Wood Stain & Sealer for Decks, Fences, Siding - Waterproof Wood Protection $134.99
$13499current price $134.99Ready Seal Exterior Stain and Sealer - 3 Gallon Kit (Natural Cedar 112) - Wood Stain & Sealer for Decks, Fences, Siding - Waterproof Wood Protection
2-Pack of 1 gal Ready Seal 135 Mission Brown Exterior Stain & Sealer for Wood $87.99
$8799current price $87.992-Pack of 1 gal Ready Seal 135 Mission Brown Exterior Stain & Sealer for Wood
Penofin 1014312 1 gal Blue Semi-Transparent Chestnut Oil-Based Penetrating Wood Stain - Pack of 4 $205.61
$20561current price $205.61Penofin 1014312 1 gal Blue Semi-Transparent Chestnut Oil-Based Penetrating Wood Stain - Pack of 4
DEFY Crystal Clear Composite Deck Waterproofing Sealer, 1 Gallon $42.95 Was $53.77
$4295current price $42.95, Was $53.77$53.77DEFY Crystal Clear Composite Deck Waterproofing Sealer, 1 Gallon
124.3 out of 5 Stars. 12 reviews2-Pack of 1 gal Ready Seal 115 Pecan Exterior Stain & Sealer for Wood $87.99
$8799current price $87.992-Pack of 1 gal Ready Seal 115 Pecan Exterior Stain & Sealer for Wood
Customer ratings & reviews
0 ratings|0 reviews
This item does not have any reviews yet
