--- product_id: 667743216 title: "Flex Caulk, Waterproof & Weatherproof Hybrid Polymer Sealant, Strong, Paintable, Indoor, Outdoor, Bath, Shower, Sink, Window, Baseboards, Door, RV, Roof, Wood, Auto & Marine, Clear, 3 oz, 2-Pack" brand: "flex seal" price: "290.92 DT" currency: TND in_stock: true reviews_count: 5 category: "Flex Seal" url: https://www.desertcart.tn/products/667743216-flex-caulk-waterproof-and-weatherproof-hybrid-polymer-sealant-strong-paintable store_origin: TN region: Tunisia --- # 200 psi tensile strength Waterproof & weatherproof seal Fully paintable & clear finish Flex Caulk, Waterproof & Weatherproof Hybrid Polymer Sealant, Strong, Paintable, Indoor, Outdoor, Bath, Shower, Sink, Window, Baseboards, Door, RV, Roof, Wood, Auto & Marine, Clear, 3 oz, 2-Pack **Brand:** flex seal **Price:** 290.92 DT **Availability:** ✅ In Stock ## Summary > 💪 Seal it once, seal it right—flex your fix with Flex Caulk! ## Quick Answers - **What is this?** Flex Caulk, Waterproof & Weatherproof Hybrid Polymer Sealant, Strong, Paintable, Indoor, Outdoor, Bath, Shower, Sink, Window, Baseboards, Door, RV, Roof, Wood, Auto & Marine, Clear, 3 oz, 2-Pack by flex seal - **How much does it cost?** 290.92 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/667743216-flex-caulk-waterproof-and-weatherproof-hybrid-polymer-sealant-strong-paintable) ## Best For - flex seal enthusiasts ## Why This Product - Trusted flex seal brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Durability That Lasts:** Won't shrink, crack, or become brittle; UV and chemical resistant for long-term protection. - • **Snap & Save Cap Innovation:** Eliminates waste and keeps your sealant fresh for the next project. - • **Ultimate Surface Versatility:** Bonds to virtually any surface—wet or dry—indoor or outdoor, from wood to marine-grade materials. - • **Seamless Finish Ready for Paint:** Clear, paintable formula blends perfectly with your décor for a professional look. - • **Effortless Precision Application:** No caulk gun needed with adjustable trigger flow nozzle for mess-free control. ## Overview Flex Caulk is a high-performance hybrid polymer sealant designed for both indoor and outdoor use. Offering waterproof, weatherproof protection with 200 psi tensile strength, it adheres to almost any surface—even wet ones—without shrinking or cracking. Its clear, paintable formula and innovative nozzle make application precise and mess-free, perfect for everything from showers to marine repairs. ## Description Flex Caulk, Waterproof & Weatherproof Hybrid Polymer Sealant, Strong, Paintable, Indoor, Outdoor, Bath, Shower, Sink, Window, Baseboards, Door, RV, Roof, Wood, Auto & Marine, Clear, 3 oz, 2-Pack: desertcart.com: Industrial & Scientific Review: Seals shower wall connections. Will buy again. - Bought to replace caulking in shower . It works great and certainly a great sealer. Review: GOOD - Use to redo some areas in my house. Easy to use, sticks great, and looks wonderful! Hopeful it will last longer than the last brand I used. ## Features - So easy to use. - No caulk gun needed. - Adjustable Trigger Flow Nozzle. - Advanced hybrid polymer formulation. - Snap & Save cap eliminates waste. - Seals out water, air, and moisture. - Adheres to virtually any surface, wet or dry. - Won’t shrink, crack, or become brittle. - UV and chemical resistant. - Fully paintable. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0DK9XC2D2 | | Best Sellers Rank | #119 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Adhesive Caulk | | Brand | Flex Seal | | Brand Name | Flex Seal | | Color | Clear | | Customer Reviews | 3.9 out of 5 stars 20 Reviews | | Full Cure Time | 24 hours | | Included Components | Flex Caulk, Clear, 3 oz, 2-Pack | | Item Form | Liquid | | Liquid Volume | 6 fluid ounces | | Manufacturer | Swift Response, LLC | | Number of Items | 1 | | Number of Packs | 2 | | Part Number | CFSCLRR100-2PK | | Surface Recommendation | Counter Top, Door, Gutter, Pipe, Sink, Tile, Tub, Walls, Window | | Tensile Strength | 200 psi | | UPC | 810129871845 | | Unit Count | 6 Fluid Ounces | | Water Resistance Level | Waterproof | ## Product Details - **Brand:** Flex Seal - **Color:** Clear - **Full Cure Time:** 24 hours - **Item Form:** Liquid - **Liquid Volume:** 6 fluid ounces ## Images ![Flex Caulk, Waterproof & Weatherproof Hybrid Polymer Sealant, Strong, Paintable, Indoor, Outdoor, Bath, Shower, Sink, Window, Baseboards, Door, RV, Roof, Wood, Auto & Marine, Clear, 3 oz, 2-Pack - Image 1](https://m.media-amazon.com/images/I/71xy-iomc+L.jpg) ![Flex Caulk, Waterproof & Weatherproof Hybrid Polymer Sealant, Strong, Paintable, Indoor, Outdoor, Bath, Shower, Sink, Window, Baseboards, Door, RV, Roof, Wood, Auto & Marine, Clear, 3 oz, 2-Pack - Image 2](https://m.media-amazon.com/images/I/81RKdWjo5uL.jpg) ![Flex Caulk, Waterproof & Weatherproof Hybrid Polymer Sealant, Strong, Paintable, Indoor, Outdoor, Bath, Shower, Sink, Window, Baseboards, Door, RV, Roof, Wood, Auto & Marine, Clear, 3 oz, 2-Pack - Image 3](https://m.media-amazon.com/images/I/81GbA0n0YAL.jpg) ![Flex Caulk, Waterproof & Weatherproof Hybrid Polymer Sealant, Strong, Paintable, Indoor, Outdoor, Bath, Shower, Sink, Window, Baseboards, Door, RV, Roof, Wood, Auto & Marine, Clear, 3 oz, 2-Pack - Image 4](https://m.media-amazon.com/images/I/81h-6OldKWL.jpg) ![Flex Caulk, Waterproof & Weatherproof Hybrid Polymer Sealant, Strong, Paintable, Indoor, Outdoor, Bath, Shower, Sink, Window, Baseboards, Door, RV, Roof, Wood, Auto & Marine, Clear, 3 oz, 2-Pack - Image 5](https://m.media-amazon.com/images/I/71x6Xrp8eEL.jpg) ## Available Options This product comes in different **Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Seals shower wall connections. Will buy again. *by V***R on June 6, 2026* Bought to replace caulking in shower . It works great and certainly a great sealer. ### ⭐⭐⭐⭐⭐ GOOD *by H***L on May 18, 2026* Use to redo some areas in my house. Easy to use, sticks great, and looks wonderful! Hopeful it will last longer than the last brand I used. ### ⭐ Flex junk *by T***Y on May 16, 2026* It doesn’t work and you can’t return it. --- ## 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/667743216-flex-caulk-waterproof-and-weatherproof-hybrid-polymer-sealant-strong-paintable](https://www.desertcart.tn/products/667743216-flex-caulk-waterproof-and-weatherproof-hybrid-polymer-sealant-strong-paintable) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-09-01*