WATERPROOF CLEAR DECK SEALER: An extremely durable clear finish that helps prevent the return of black stains on composite decks while protecting composite and natural wood surfaces from water damage and UV radiation LONG-LASTING COMPOSITE DECK WATERPROOF SEALANT: This wood sealer defends composite and natural wood from moisture and UV damage, while zinc nano-particles help prevent fading, graying, and color loss to preserve your deck’s natural look EASY APPLICATION & MAINTENANCE: Apply this transparent waterproof coating with a sprayer, brush, or pad applicator, clean-up easily with soap and water; recoat when graying initially starts to appear; 1 gallon covers 100–150 sq. ft. for 2 coats DRY TIME AND APPLICATION TEMPERATURE: Dries in 2–4 hrs above 45°F; wait 24 hrs before use; apply clear wood sealer only when temperatures are above 45°F; not for painted or varnished surfaces, best on bare composite or natural wood MADE IN THE USA: Our deck sealer waterproof protection products are proudly made in the USA with quality ingredients and advanced water-repellent technology, delivering long-lasting defense for composite and natural wood in any outdoor setting DEFY Composite Deck Sealer is a crystal-clear, water-based finish designed to protect composite and natural wood surfaces from moisture, discoloration, and damaging UV rays. This waterproof wood sealer for composite decks is fortified with over 30 trillion zinc nano-particles per square inch, offering advanced protection against black stains and sun damage. These invisible particles reflect UV radiation to help prevent fading and graying to preserve your deck’s natural color. For best results, clean the surface with DEFY Composite Deck Cleaner before applying our composite deck waterproof sealant. Recoat when graying appears or when water no longer beads on the surface. DEFY Composite Deck Sealer is a V.O.C.-compliant, long-lasting solution that helps keep your deck looking great through every season.