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Wood Sealers & Stains

Leading the innovation in wood protection and waterproofing

SEAL-ONCE® has been leading the innovation in the use of nanotechnology to create long-lasting, eco-friendly wood sealers & tinted wood stains since 2005. We offer a variety of solutions for different applications and warranty our products’ performance.

NANO+POLY Premium Wood Sealer Product Photo

NANO+POLYTM Premium Wood Sealer in Clear and Ready Mixed Colors

NANO+POLY™ is a premium waterproofing wood stain & sealer. It combines proprietary nanotechnology with the strength of polyurethane to provide 360° of protection. Its durable, breathable matte finish protects the surface of the wood against wear and tear, UV fading and water damage. It is currently available as a clear wood sealer and in 8 Ready Mix Colors.

  • Added abrasion resistance for high traffic areas
  • Prohibits warping, cupping, mold & mildew staining

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NANO Penetrating Wood Sealer Product Photo

NANO Penetrating Wood Sealer

NANO Penetrating Wood Sealer is a waterproof stain & finish that deeply penetrates the wood surface. It will protect and stabilize against water damage and decay. The water based formula uses our proprietary nanotechnology. It forms a flexible breathable barrier by coating the wood fibers at the cellular level.

  • Helps resist wood rot, wood decay, mold, mildew and fungi growth
  • Non-film forming clear formula allows wood to silver naturally and evenly
  • Eliminates wood warping & cupping caused by water intrusion

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EXOTIC Premium Wood Sealer Product Photo

EXOTIC Premium Wood Sealer

EXOTIC is a premium sealer & waterproofing wood stain formulated for denser Brazilian hardwood like Ipe, Teak & Mahogany. Tropical hardwoods are much denser than North American hardwoods. So, standard sealers will not deeply penetrate their surface to protect & stabilize against water damage.

This water based sealer uses proprietary nanotechnology to coat the wood fibers below the surface. It also provides additional UV light protection and abrasion resistance, on the surface.

  • Our #1 Rated sealer & stain for denser tropical hardwood species
  • Recommended for Ipe, Cumaru, Garapa, Teak, Mahogany
  • Brazilian Cherry & Walnut, Tigerwood, Rosewood & others

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MARINE Premium Wood Sealer Product Photo

MARINE Premium Wood Sealer

MARINE is a premium waterproofing dock sealer & deck stain. It deeply penetrates the surface to protect and stabilize wood in high-moisture locations. It is an Eco-friendly wood finish, with ultra-low VOCs, and is safe to use around pets, plants & people .

  • Special marine formulation for use on wood near open water
  • Recommended for wood boat docks, pool decks, walkways
  • Piers & outdoor furniture near ocean, lakes, ponds & rivers

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Multi-Surface Concentrate for Wood and Masonry Sealers Product Photo

Multi-Surface Concentrate with NANO

Multi-Surface Concentrate with NANO is a waterproofing sealer that penetrates below the material’s surface. It preserves the integrity and stability of outdoor wood, concrete & masonry. It can be used on  decks & patios. (not for use on driveways)

It prevents warping, cupping, cracking & spalling; wood rot & decay; & inhibits mold, mildew & fungi growth. It is water based, Eco-friendly, has ultra-low VOCs and is safe to use around pets, plants and people.

  • Diluted 1:1 with clean water to create the final, NANO formula
  • Designed for use by wood & concrete contractors & installers

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Seal Ends Once Product Photo

SEAL ENDS ONCE® Wood End Sealer

SEAL ENDS ONCE® deeply penetrates the surface to protect & stabilize the exposed cut ends of wood & lumber against water damage. These cut ends of wooden decks & steps are highly susceptible to end splitting & water absorption. SEAL ENDS ONCE protects all types of lumber & is recommended for use with other SEAL-ONCE products.

  • Prevents water absorption on the exposed ends of lumber
  • Prevents splits on exposed cut ends from drying out (end checks)

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All Wood Cleaner product photo

All Wood Cleaner

The concentrated formula of SEAL-ONCE All Wood Cleaner penetrates the surface to loosen dirt and remove discoloration, mold and mildew stains without the use of harsh chemicals. It cleans the surface & restores the original color of the wood, making it look like new.

  • 2 lb size mixes with water to make 8 gallons & covers 600 to 800 sq. ft.
  • Penetrating sealers work best when the wood surface has been cleaned
  • Highly recommended wood surface is cleaned prior to application of SEAL-ONCE

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semi-transparent wood tints product photo

Semi-Transparent Tints & Wood Stains

We offer a full line of rich semi-transparent tints & wood stains. These tints preserve and enhance the natural beauty of wood while protecting it from UV damage. Our tints can be mixed into our NANO, NANO+POLY, EXOTIC, MARINE & MSC wood sealers. Together, they will create a beautiful semi-transparent wood stain for any wood project.

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