--- product_id: 43722154 title: "DEFY Extreme Composite Deck Sealer – Crystal Clear Waterproof Sealant for Wood & Composite Surfaces with Zinc Nano-Technology, Protects Against Water & UV Damage – 1 Gallon" brand: "defy" price: "638.13 DT" currency: TND in_stock: true category: "Defy" url: https://www.desertcart.tn/products/43722154-defy-extreme-composite-deck-sealer-crystal-clear-waterproof-sealant-wood store_origin: TN region: Tunisia --- # 100-150 sq.ft. coverage per gallon Dries in 2-4 hours above 45°F Zinc nano-technology for UV & water defense DEFY Extreme Composite Deck Sealer – Crystal Clear Waterproof Sealant for Wood & Composite Surfaces with Zinc Nano-Technology, Protects Against Water & UV Damage – 1 Gallon **Brand:** defy **Price:** 638.13 DT **Availability:** ✅ In Stock ## Summary > 🛡️ Seal the deal on deck perfection—because your outdoor space deserves elite defense! ## Quick Answers - **What is this?** DEFY Extreme Composite Deck Sealer – Crystal Clear Waterproof Sealant for Wood & Composite Surfaces with Zinc Nano-Technology, Protects Against Water & UV Damage – 1 Gallon by defy - **How much does it cost?** 638.13 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/43722154-defy-extreme-composite-deck-sealer-crystal-clear-waterproof-sealant-wood) ## Best For - defy enthusiasts ## Why This Product - Trusted defy brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Proudly Made in the USA:** Crafted with premium ingredients and advanced water-repellent tech for long-lasting, reliable protection. - • **Nano-Enhanced UV Defense:** Zinc nanoparticles lock in your deck’s vibrant color by blocking harmful UV rays and stopping fading. - • **Crystal Clear Waterproof Shield:** Protect your deck with a virtually invisible barrier that repels water and prevents black stains. - • **Effortless Application & Maintenance:** Apply easily with sprayer, brush, or pad; quick cleanup with soap and water keeps your routine hassle-free. - • **Fast-Drying Formula for Quick Turnaround:** Ready to use in as little as 24 hours, so your outdoor space stays stunning with minimal downtime. ## Overview DEFY Extreme Composite Deck Sealer is a crystal-clear, waterproof sealant designed for wood and composite surfaces. Featuring advanced zinc nano-technology, it protects decks from water damage, UV rays, fading, and black stains. One gallon covers 100-150 sq.ft. with two coats, dries in 2-4 hours above 45°F, and is easy to apply and maintain. Made in the USA, it offers durable, long-lasting protection to keep your deck looking pristine season after season. ## Description DEFY Extreme Composite Deck Sealer – Crystal Clear Waterproof Sealant for Wood & Composite Surfaces with Zinc Nano-Technology, Protects Against Water & UV Damage – 1 Gallon: desertcart.com: Tools & Home Improvement ## Features - 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 ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00BW8JEU6 | | Best Sellers Rank | #41,360 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #162 in Hardware Sealers | | Brand Name | DEFY | | Color | clear | | Compatible Material | Wood | | Customer Reviews | 4.4 4.4 out of 5 stars (736) | | Item Dimensions | 7.5 x 3.2 x 12.5 inches | | Item Form | Liquid | | Item Weight | 8.8 pounds | | Manufacturer | SaverSystems | | Material Type | Wood,Zinc | | Model | TRTAZ11A | | Number of Items | 128 | | Part Number | 300416 | | Style Name | Compact | | Surface Recommendation | Wood | | UPC | 709057580014 | | Unit Count | 128 Fluid Ounces | | Water Resistance Level | Waterproof | ## Product Details - **Brand:** DEFY - **Item Weight:** 8.8 pounds - **Item dimensions L x W x H:** 7.5 x 3.2 x 12.5 inches - **Material:** Wood,Zinc - **Style:** Compact ## Images ![DEFY Extreme Composite Deck Sealer – Crystal Clear Waterproof Sealant for Wood & Composite Surfaces with Zinc Nano-Technology, Protects Against Water & UV Damage – 1 Gallon - Image 1](https://m.media-amazon.com/images/I/71s-FOj82fL.jpg) ![DEFY Extreme Composite Deck Sealer – Crystal Clear Waterproof Sealant for Wood & Composite Surfaces with Zinc Nano-Technology, Protects Against Water & UV Damage – 1 Gallon - Image 2](https://m.media-amazon.com/images/I/81IaUHktc4L.jpg) ![DEFY Extreme Composite Deck Sealer – Crystal Clear Waterproof Sealant for Wood & Composite Surfaces with Zinc Nano-Technology, Protects Against Water & UV Damage – 1 Gallon - Image 3](https://m.media-amazon.com/images/I/81NUl9EPkXL.jpg) ![DEFY Extreme Composite Deck Sealer – Crystal Clear Waterproof Sealant for Wood & Composite Surfaces with Zinc Nano-Technology, Protects Against Water & UV Damage – 1 Gallon - Image 4](https://m.media-amazon.com/images/I/81EcVJ14KzL.jpg) ![DEFY Extreme Composite Deck Sealer – Crystal Clear Waterproof Sealant for Wood & Composite Surfaces with Zinc Nano-Technology, Protects Against Water & UV Damage – 1 Gallon - Image 5](https://m.media-amazon.com/images/I/81K13921y2L.jpg) ## Questions & Answers **Q: will this work on Trex decking?** A: This works very well on Trex decking. **Q: I have eon decking which can't have any petroleum based products. what exactly is in this product and will it harm my eon decking?** A: I don't know about your decking product, but we used this cleaner on our "TREX" deck, and it worked great. We power washed the deck before applying the cleaner, and it dried looking practically brand new. **Q: Is this product water based?** A: I haven't put it down yet. I'm not sure if it's water based or not. I'm ordering a second gallon before I start as I won't have enough to finish. I will post what I find once I've had an opportunity to use it. **Q: Will this work on all composite decking** A: I only know that it worked on my 14-year old Trex decking. ## Frequently Bought Together - Defy Composite Deck Waterproofing Sealer 1 Gallon - DEFY Composite Deck Cleaner, 2 LB Container - Superio Deck Scrub Brush with Long Handle 48 Inches, Heavy Duty Stiff Bristles Grout Scrubber with Scraper - Cleans Hot Tub, Swimming Pool, Granite Tiles, Bathroom, Patio, Kitchen, Wall and Deck --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/43722154-defy-extreme-composite-deck-sealer-crystal-clear-waterproof-sealant-wood](https://www.desertcart.tn/products/43722154-defy-extreme-composite-deck-sealer-crystal-clear-waterproof-sealant-wood) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-08-08*