Seal Once Marine, Wood Deck & Fence Sealer

Seal Once Marine, Wood Deck & Fence Sealer
Non-Toxic, ECO Friendly.
Long lasting protection for up to 10 years.
Marine wood waterproofer will not harm people, pets, plants or fish.
Available in clear or tint sold separately.
Coverage approx. 200-300 sq.ft.




SEAL-ONCE Marine with NANO GUARD Premium Wood Sealer deeply penetrates the surface to protect and stabilize wood against adverse weather and caustic conditions.
It uses proprietary nano-polymers to form a flexible breathable barrier by coating the wood fibers at the cellular level, preventing water ingress.


  • Eco-friendly
  • Non-toxic; will not harm pets, plants or marine life
  • Zero VOCs
  • Non-combustible
  • Can be applied over open water
  • Non-film forming, breathable barrier
  • Stabilizes & protects wood
  • Prevents warping & cupping
  • Inhibits wood rot & decay
  • Can be applied to damp surfaces
  • Prevents staining caused by mold, mildew & algae
  • Soap and water cleanup
  • Clear formula can be painted or stained after treatment
  • Tinted formula provides UV protection



Weight N/A
Dimensions N/A
1 & 5 Gallon

1 Gallon, 5 Gallon


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