Protect and stabilize wood in high-moisture areas with Seal Once Marine Grade Wood Sealer. This premium waterproofing dock sealer and deck stain deeply penetrates the surface for long-lasting protection. Its eco-friendly formula has ultra-low VOCs and is safe for pets, plants, and people. Get professional-grade results with this expert-recommended sealer.

• Creates a flexible and breathable barrier that allows wood to expand and contract preventing water damage
• Penetrates below the surface
• Dries clear
• Water based and ecofriendly
• Low VOC that is non-hazardous to aquatic life
• Repels moisture within four hours
• Allows wood to age and gray naturally without decay
• Withstands harsh environments near open water
• Can be used independently as an end grain sealer
• Covers up to 350 sq ft per gallon