--- product_id: 614404900 title: "Dongxw Butyl Joist Tape, Joist Tape for Decking Waterproof Deck Joist Flashing Tape Protect Deck Beams - 2\" X 50', 2 Rolls" brand: "dongxw" price: "¥22317" currency: JPY in_stock: true category: "Dongxw" url: https://www.desertcart.jp/products/614404900-dongxw-butyl-joist-tape-joist-tape-for-decking-waterproof-deck store_origin: JP region: Japan --- # Waterproof & weather-resistant seal -20°F to 176°F temperature resilience 2" x 50' rolls for broad coverage Dongxw Butyl Joist Tape, Joist Tape for Decking Waterproof Deck Joist Flashing Tape Protect Deck Beams - 2" X 50', 2 Rolls **Brand:** dongxw **Price:** ¥22317 **Availability:** ✅ In Stock ## Summary > 🛡️ Seal your deck’s future with confidence — don’t let moisture crash your outdoor vibe! ## Quick Answers - **What is this?** Dongxw Butyl Joist Tape, Joist Tape for Decking Waterproof Deck Joist Flashing Tape Protect Deck Beams - 2" X 50', 2 Rolls by dongxw - **How much does it cost?** ¥22317 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/614404900-dongxw-butyl-joist-tape-joist-tape-for-decking-waterproof-deck) ## Best For - dongxw enthusiasts ## Why This Product - Trusted dongxw brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Trusted Longevity:** Durable, anti-aging tape backed by lifetime support for peace of mind on every project. - • **Weatherproof Warrior:** Performs flawlessly in extreme temperatures from freezing cold to scorching heat. - • **Ultimate Deck Defense:** Premium butyl adhesive shields wood from moisture and corrosion, extending deck life. - • **Shock Absorber & Sealant:** Dampens vibrations and seals gaps to protect structural integrity and prevent costly repairs. - • **Effortless Pro Installation:** Peel, cut, and stick—install in seconds with easy error correction for perfect application. ## Overview Dongxw Butyl Joist Tape is a professional-grade, self-adhesive waterproof flashing tape designed to protect wooden deck joists from moisture, corrosion, and weather damage. Measuring 2 inches by 50 feet per roll, it withstands temperatures from -20°F to 176°F and features a thick 0.75 cm butyl rubber layer that acts as a sealant and shock absorber. Easy to install and compatible with treated and untreated lumber, this tape extends deck lifespan while preventing costly repairs. ## Description 🎉 Dongxw Deck Joist Tape Protects Your Beams 🎉 Deck joists butyl tape as a barrier Reducing moisture damage to crossbeams Compatible with most of decking materials Joist tape used in temperatures range of -20°F to 176°F Please use deck flashing tape in dry and debris-free conditionsButyl tape: 2 inch x 50ft Easy to Install:Only 3 simple steps to finish the installation; First peel the deck joist tape, then cut it to an appropriate length, and finally stick the deck joist tape on a dry, clean and smooth surface. Any questions, please contact us first and we will respond within 12 hours. ## Features - 🧿【Premium Joist Tape】 Our butyl joist tape effectively protects treated and non-treated Lumber. 2" x 50' roll, professional, waterproof, heatproof, anti-deformation, anti-corrosion, acts as a seal, shock absorber and protect the surface of the adherend. - 🧿【Self-adhesive & Weather Resistance】 The 0.75cm thickened deck joist tape not only has strong and flexible adhesion to wood surfaces, but also has excellent weather resistance and is suitable for most weather conditions. Use with confidence in the temperature range of -20°F to 176°F. - 🧿【Waterproof & Anti-aging】 The deck flashing tape provides impressive air tightness, helping to avoid water penetration and corrosion. Enhanced protection of wood effectively prolongs the service life of wooden deck structures. ​Avoid costly repairs and replacements. - 🧿【Easy to Use & Practical】 The joist tape for decking is easy to install just in seconds. Clean the adherend surface, cut the appropriate length as needed, peel off the protected film, and carefully press the tape against target area. Mistakes are easily rectified within the first few minutes of installation. - 😊【Trustworthy】 Please use deck tape in dry and debris-free conditions. We provide lifetime, cooperative customer support to our purchasers. Any problem please come directly to us, we will be here 24Hs Online for service. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0B1CZ2KF2 | | Adhesive Format | Wide Roll | | Adhesive Location | Single Sided | | Adhesive Material | Butyl | | Adhesive Side Count | 1 | | Best Sellers Rank | 170,469 in DIY & Tools ( See Top 100 in DIY & Tools ) 88 in Butyl Tape | | Brand | Dongxw | | Colour | Black | | Compatible Material | Wood | | Customer Reviews | 4.2 4.2 out of 5 stars (327) | | Item Dimensions L x W x Thickness | 5.1W x 0.8Th centimetres | | Item Resistance | Water Resistant, Weather Resistant | | Item Thickness | 0.75 Centimetres | | Manufacturer | Dongxw | | Manufacturer Part Number | ZQTape2 | | Material | Rubber | | Model Number | ZQTape2 | | Number of Items | 2 | | Number of Packs | 2 | | Other Special Features of the Product | Weather Resistant | | Size Name | 2 Rolls | | Surface Recommendation | Wood | | Upper Temperature Rating | 176 Degrees Fahrenheit | | Water Resistance Level | Waterproof | ## Product Details - **Brand:** Dongxw - **Colour:** Black - **Material:** Rubber - **Number of items:** 2 - **Special feature:** Weather Resistant ## Images ![Dongxw Butyl Joist Tape, Joist Tape for Decking Waterproof Deck Joist Flashing Tape Protect Deck Beams - 2" X 50', 2 Rolls - Image 1](https://m.media-amazon.com/images/I/61-+VWXoWCL.jpg) ![Dongxw Butyl Joist Tape, Joist Tape for Decking Waterproof Deck Joist Flashing Tape Protect Deck Beams - 2" X 50', 2 Rolls - Image 2](https://m.media-amazon.com/images/I/41KhBfFojrL.jpg) ![Dongxw Butyl Joist Tape, Joist Tape for Decking Waterproof Deck Joist Flashing Tape Protect Deck Beams - 2" X 50', 2 Rolls - Image 3](https://m.media-amazon.com/images/I/51vS9vyBSOL.jpg) ![Dongxw Butyl Joist Tape, Joist Tape for Decking Waterproof Deck Joist Flashing Tape Protect Deck Beams - 2" X 50', 2 Rolls - Image 4](https://m.media-amazon.com/images/I/511pgtFhiYL.jpg) ![Dongxw Butyl Joist Tape, Joist Tape for Decking Waterproof Deck Joist Flashing Tape Protect Deck Beams - 2" X 50', 2 Rolls - Image 5](https://m.media-amazon.com/images/I/51pC93ju27L.jpg) ## Available Options This product comes in different **Style** options. --- ## 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.jp/products/614404900-dongxw-butyl-joist-tape-joist-tape-for-decking-waterproof-deck](https://www.desertcart.jp/products/614404900-dongxw-butyl-joist-tape-joist-tape-for-decking-waterproof-deck) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-10-03*