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Seal-Once - Eco Friendly - Wood Stain - 5 Gallons - FREE SHIPPING

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Seal-Once - Eco Friendly - Wood Stain - 5 Gallons - FREE SHIPPING
Free Shipping
  • Seal-Once - Eco Friendly - Wood Stain - 5 Gallons - FREE SHIPPING
  • Seal-Once - Eco Friendly - Wood Stain - 5 Gallons - FREE SHIPPING
Orig. Price: $330.98
Sale Price: $282.98
% Saved: 15%
Usually ships the same business day
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Product Description

Seal-Once - Eco Friendly - Wood Stain

Seal-Once Nano Guard Premium Wood Sealer is one of the only green stain/sealers on the market formulated for exterior/interior. Seal-Once offers long lasting protection!

Seal-Once Nano Guard Premium Wood Sealer deeply penetrates the surface to protect and stabilize wood against weather. This formula uses proprietary nano-polymers to create a long-lasting flexible breathable barrier by coating the wood fibers at the cellular level to provide protection from the inside out. The flexible breathable barrier created by SEAL-ONCE NANO GUARD allows water vapor to escape while preventing damage caused by water intrusion, such as rot, decay, mold and mildew growth, cracking, splitting and spalling.

Typical sealers form a barrier on the surface of the wood trapping water below the surface. As the water evaporates, it causes the surface coating and the substrate to crack and peel, leaving a damaged surface that requires continued maintenance and is susceptible to water intrusion. SEAL-ONCE NANO GUARD prevents this from happening by protecting from the inside out.

This non-film forming NANO GUARD Premium Wood Sealer offers a full range of Semi-Transparent Tints that can be added to the clear formula. These tints operate as UV blockers to prevent the wood from graying while enhancing the natural grain and texture.

This wood stain is great for log homes, log siding, decks, fences, outdoor furniture, and shake roofs.

  • Non-toxic, Zero VOCís, Safe for the Environment
  • Long Lasting, Deep Penetrating Bond Protects Against Mold & Mildew Stains
  • Non Film Form Won't Crack and Peel
  • For All Exterior and Interior Wood Surfaces
  • Outperforms All Other Sealers and Stains
  • UV Blockers Prevent Graying
  • Tint Pigments Penetrate the Wood Surface Provides Longer Lasting Color
  • Water-Based, Odorless, Non-Flammable, Non-Combustible and Will Not Burn Skin
  • Will Not Harm Pets, Plants or Livestock
  • Paintable, Stainable, Breathable
  • Penetrates and Absorbs to Form a Flexible Polymer Becoming Part of the Cellular Structure of the Wood
  • Helps Prevent Wood from Cracking, Splitting and Warping
  • Clear Formula and Semi-Transparent Tints Add Color Without Hiding Wood Grain
  • Easy Soap & Water Clean Up

Coverage: Approximate coverage is 200-300 square feet per gallon per coat. Actual coverage will vary due to porosity of wood.

**Tint is shipped in a separate container and needs to be mixed into the clear formula.

Color Chart

Click Here to Order Samples
  • Clear
  • Light Brown
  • Natural
  • Brown
  • Mahogany
  • Redwood
  • Bronze Cedar
  • Cedar
  • Black
  • Battleship Gray
  • Shale Gray
  • Cape Cod Gray


Product Estimator

Square Feet:
Sq. ft.
Maintenance Coat:


Product Reviews

5 out of 5, Based on 6 Reviews.
Write a Review
Expensive but worth the price
April 11, 2018

Expensive but worth the price. Does clean up easily if done promptly. Mixes with tints very easy. Shipped in good containers so waste in mixing and pouring was minimal. Product and how it reacts with wood at low temperature is very sensitive, addition warning would be advisable to users. The desired reaction is for as deep as possible penetration into wood surface. Approaching 40 degrees quickly changes this action and one should stop and wait for more ideal temps. Sprays in airless unit very well.
Worked Very Well, Looks Great
March 07, 2018

I am very glad I found your Website. The Seal Once Finish I purchased from you worked very well and looks great, all my neighbors were impressed also said they would use your company in the further for their wood projects. Thank you.
Best protective non toxic coating for exterior wood
February 22, 2018

I used Seal Once Wood Finish on one of my wood sculptures. I think Seal Once is the best protective non toxic coating for exterior wood. Thank you very much!
Thank you for great service!
February 08, 2018

Your product has been great! And y'all have been great and fast at shipping! Thank you for great service!
Environmentally friendly product
January 31, 2018

The Seal Once Wood Finish was easy to apply and the clean up was quick and easy as well. I'm especially happy that it is an environmentally friendly product. The Seal Once penetrated the wood well and looks very natural on our large redwood deck.
100% satisfied with Seal Once products
January 29, 2018

Seal Once Wood finish is the only product that we've used on our cypress log home since building it. The decision to use Seal Once was based on the longevity, safety to humans, animals and environment, along with the ease of cleanup. We've also used it on our covered decks that have cypress deck boards over pressure treated supports. So far we've liked the color and apparent water repellent properties of Seal Once. I have the tendency to put more coats on than probably needed because I really want all the wood protected. I've reordered it twice and applied most of the product to keep coats on all the wood we've treated with it. I've used the log wash each time I've retreated them because the cypress wood seems to be less tolerant to absorbing the product, however it may be the nature of cypress, not really sure. Again we really like the fact that its less hazardous to us, our dogs and cats, along with the environment, especially since we live within a 100 feet of our creek. I use an airless sprayer to apply Seal Once and love the ease of clean up, soap and water.

Anyhow overall right now we are 100% satisfied with Seal Once products and plan to treat our wood with the same in the future.

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