--- product_id: 635158628 title: "Coengwui Black Backer Rod, Rubber Caulk Saver Concrete Filler Rope Weather Stripping for Gaps and Joints (Diametre 1/4in x Length 16.4ft)" brand: "coengwui" price: "$7.22" currency: USD in_stock: false url: https://www.desertcart.us/products/635158628-coengwui-black-backer-rod-rubber-caulk-saver-concrete-filler-rope store_origin: US region: United States of America --- # 16.4ft Length 1/4in Diameter EPDM Material Coengwui Black Backer Rod, Rubber Caulk Saver Concrete Filler Rope Weather Stripping for Gaps and Joints (Diametre 1/4in x Length 16.4ft) **Brand:** coengwui **Price:** $7.22 **Availability:** ❌ Out of Stock ## Summary > Seal the Deal! 🛠️ ## Quick Answers - **What is this?** Coengwui Black Backer Rod, Rubber Caulk Saver Concrete Filler Rope Weather Stripping for Gaps and Joints (Diametre 1/4in x Length 16.4ft) by coengwui - **How much does it cost?** $7.22 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/635158628-coengwui-black-backer-rod-rubber-caulk-saver-concrete-filler-rope) ## Best For - coengwui enthusiasts ## Why This Product - Trusted coengwui brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Timeless Design:** Sleek black color resists dirt and blends seamlessly. - • **Reliable Material:** Durable EPDM ensures flexibility and temperature resistance. - • **Superior Durability:** Exceptional wear and corrosion resistance for long-lasting use. - • **Effortless Application:** Simply insert and cut for a seamless finish. - • **Versatile Crack Solution:** Perfect for sealing various cracks and joints. ## Overview The Black Backer Rod is a 1/4 inch diameter, 16.4-foot long rubber caulk saver designed for effortless application in sealing gaps and joints. Made from durable EPDM material, it offers excellent flexibility, temperature resistance, and superior wear and corrosion resistance, making it ideal for a variety of applications including pavements, walls, and automotive uses. ## Description Coengwui Black Backer Rod, Rubber Caulk Saver Concrete Filler Rope Weather Stripping for Gaps and Joints (Diametre 1/4in x Length 16.4ft) - desertcart.com ## Features - Effortless Application: Simply insert our rubber strip into the desired space, press it firmly, and cut if needed. Then cover and smooth it with caulk for a seamless and professional finish. Achieve a flawless result with minimal effort. - Versatile Crack Solution: Our rubber strip is the perfect solution for a variety of cracks, including pavement, wall joints, and foundations. It provides a smooth surface for easy caulking projects. The timeless black color stays clean and resistant to dirt. Simplify crack sealing with our versatile rubber strip - Versatile Applications: Our product finds extensive use in different settings. Seal side seams of sliding doors, glass doors, windows, wardrobes, and closets. It is equally suitable for sealing doors, windows, and hatches in automobiles, ships, and other applications. Experience its adaptability and effectiveness, providing a reliable and secure seal that keeps out drafts, noise, and dust. - Reliable Material: Crafted from durable EPDM, our backer rod ensures excellent flexibility, temperature resistance, corrosion resistance, and wear resistance. It provides reliable sound insulation, heat insulation, and maintains its shape under pressure. - Superior Wear and Corrosion Resistance: It possesses exceptional wear resistance and corrosion resistance, allowing for extended use and the ability to adapt to a variety of harsh conditions. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CXXNPD21 | | Best Sellers Rank | #665,688 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #2,270 in Weather Stripping | | Brand Name | Coengwui | | Color | Matte Black | | Customer Reviews | 4.3 4.3 out of 5 stars (33) | | Item Dimensions L x W | 0.25"W | | Item Thickness | 0.25 inches | | Manufacturer | Coengwui | | Manufacturer Part Number | MFT-H-5mx6mm | | Model Number | MFT-H-5mx6mm | | Recommended Uses For Product | Sealing gaps and joints in construction projects, doors, windows, concrete joints, automobiles, ships, and other applications | | Unit Count | 1 Count | ## Product Details - **Brand:** Coengwui - **Color:** Matte Black - **Item Thickness:** 0.25 inches - **Product Dimensions:** 0.25"W ## Images ![Coengwui Black Backer Rod, Rubber Caulk Saver Concrete Filler Rope Weather Stripping for Gaps and Joints (Diametre 1/4in x Length 16.4ft) - Image 1](https://m.media-amazon.com/images/I/710TkYzkxCL.jpg) ![Coengwui Black Backer Rod, Rubber Caulk Saver Concrete Filler Rope Weather Stripping for Gaps and Joints (Diametre 1/4in x Length 16.4ft) - Image 2](https://m.media-amazon.com/images/I/81AspzU848L.jpg) ![Coengwui Black Backer Rod, Rubber Caulk Saver Concrete Filler Rope Weather Stripping for Gaps and Joints (Diametre 1/4in x Length 16.4ft) - Image 3](https://m.media-amazon.com/images/I/812sDO8ZfoL.jpg) ![Coengwui Black Backer Rod, Rubber Caulk Saver Concrete Filler Rope Weather Stripping for Gaps and Joints (Diametre 1/4in x Length 16.4ft) - Image 4](https://m.media-amazon.com/images/I/61fq1u83K2L.jpg) ![Coengwui Black Backer Rod, Rubber Caulk Saver Concrete Filler Rope Weather Stripping for Gaps and Joints (Diametre 1/4in x Length 16.4ft) - Image 5](https://m.media-amazon.com/images/I/71Ki3OtqoBL.jpg) ## Frequently Bought Together - Coengwui Black Backer Rod, Rubber Caulk Saver Concrete Filler Rope Weather Stripping for Gaps and Joints (Diametre 1/4in x Length 16.4ft) - M-D Building Products - Versatile Gray Foam Backer Rod Set 1/2in x 20ft - Essential Caulk Saver for Sealing Concrete Gaps, Expansion Joints, and Crack Filling (71480) - M-D Building Products - Versatile Gray Foam Backer Rod - Essential Caulk Saver for Sealing Concrete Gaps, Expansion Joints, and Crack Filling, 3/8 by 20 Feet, (Pack of 2) (71464) --- ## 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.us/products/635158628-coengwui-black-backer-rod-rubber-caulk-saver-concrete-filler-rope](https://www.desertcart.us/products/635158628-coengwui-black-backer-rod-rubber-caulk-saver-concrete-filler-rope) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-31*