MARINE GRADE Premium Clear Wood Sealer
MARINE GRADE Premium Clear Wood Sealer
Protect docks, decks, and outdoor wood near water with MARINE GRADE Premium Clear Wood Sealer. This penetrating wood sealer helps protect against moisture damage, warping, and cupping. Its water-based, ultra-low VOC formula creates a flexible, breathable barrier for wood exposed to demanding waterfront conditions.
Use it as a deck sealer for suitable pool decks, walkways, piers, and outdoor furniture. The clear finish leaves the grain visible and allows wood to weather naturally to a silver-gray appearance.
Not recommended for hardwoods. For tropical and exotic hardwoods such as Ipe, mahogany, and teak, choose CLEAR WATERPROOFER Exterior Wood.
Not intended for boats or other watercraft.
Please Note: All surfaces should be cleaned before sealing for the best penetration and performance. Remove all old coatings, dust, debris and loose material. Remove oil, grease, algae, grime, mill glaze and mold and mildew stains with SEAL-ONCE Multi-Surface Cleaner
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GREAT FOR USE ON
GREAT FOR USE ON
- Wood docks and piers near lakes, rivers, ponds, and coastal water
- Pool decks and waterfront walkways
- Outdoor wood furniture near water
- Other suitable exterior wood surfaces exposed to high moisture
Always check wood suitability and test a small area before treating the entire surface.
FEATURES
FEATURES
- Water-based, eco-friendly, ultra low VOC, & safe for aquatic life
- Flexible & breathable barrier that expands & contracts with the elements
- Protects against warping & cupping
- 2 coat wet on damp application at the speed of 1 coat
- Allows wood to grey naturally

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APPLICATIONS
- Check conditions. Apply when air and surface temperatures are between 45°F and 95°F. Avoid application when rain is expected within the specified drying window.
- Mix thoroughly. Stir or shake before use. Do not thin.
- Test the surface. Check appearance and penetration on a small area.
- Apply the first thin coat. Use a synthetic brush or suitable sprayer. Back-brush sprayed areas and work board by board, maintaining a wet edge.
- Apply the second thin coat while the first is damp. Avoid over-application and follow the current product label for the recoating interval.
- Allow the surface to dry. Follow the label before exposing the treated area to rain or foot traffic. Do not combine with other waterproofing products.
PRODUCT DETAILS
Available in 1 Quart, 1 Gallon, and 5 Gallon containers in Clear. Select the quantity using the product’s verified coverage rate, allowing for two coats and differences in wood porosity.
Review the technical and safety data sheets in the Resources section before application.









