Water based, eco-friendly protection and stability for wood that finishes and performs just as well as an oil-based sealer. Designed to withstand the harshest of environmental elements for decks, docks, fences, and siding.
Best Selling Products
High-performance waterproofing wood sealers & deck stains.
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CLEAR WATERPROOFER Exterior Wood
Regular price From $12.98Regular priceUnit price / per -
MARINE GRADE Premium Semi-Transparent Wood Stain
Regular price From $19.98Regular priceUnit price / per -
MARINE GRADE Premium Clear Wood Sealer
Regular price From $19.98Regular priceUnit price / per -
STAY CLEAN Ready-To-Use Formula
Regular price From $39.98Regular priceUnit price / per
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In 2016, SEAL-ONCE became part of U-C Coatings, LLC, a company with a long history of manufacturing high quality eco-friendly sealers and finishes for wood. We live our core values of integrity, dedication and superior customer service, while providing the highest quality products that are safe for our customers and the environment.
Our products provide more than just superior protection for wood and concrete; they provide peace of mind that the environment is not being harmed. SEAL-ONCE products include ultra-low VOCs and low to no odor; they are non-toxic, non-flammable and non-ozone depleting. They are safe for the environment and do not contain nitrates, phosphorous compounds or heavy metals. When you use SEAL-ONCE, you have the satisfaction of knowing our products will not harm pets, plants, people, livestock or marine life.