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Superior Long-Lasting Protection From The Inside Out

Seal Once premium sealers protect against water damage by using proprietary nanotechnology that penetrates deep into wood and concrete, creating a long lasting, flexible, breathable barrier. Our products are water based, non-toxic, ultra-low VOC, and have no odor.


  • Seal Once Marine

    MARINE is a premium waterproofing dock sealer & deck stain that deeply penetrates the surface to protect and stabilize wood in high-moisture locations...

  • Seal Once Exotic

    EXOTIC is a premium sealer & waterproofing wood stain formulated for denser Brazilian hardwood like Ipe,Teak & Mahogany. Tropical hardwoods are much d...

  • Seal Once Poly

    POLY is a water-based polyurethane that shields wood from water damage & decay by forming a durable coating on the wood’s surface. Its enhanced UV inh...

  • Seal Once Nano+Poly

    NANO+POLY is a premium waterproofing wood sealer & stain that combines proprietary nanotechnology with the strength of polyurethane to provide 360° of...

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  • Contact Information

    United States New York Buffalo 2250 Fillmore Ave 14215


  1. Product Categories
    Building Products
    • Eco-friendly
    Paint & Accessories
    • Coatings (Roof, Basement, Concrete, Garage Floor)
    • Eco-friendly
    • Stains

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Featured Product Guide

  • Seal Once Ready Mix Colors

    Seal Once-BUFFALO, NY-U-C Coatings LLC, a leading manufacturer of Environmentally Friendly Wood Protection Products would like to announce our latest ...


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