--- product_id: 671546318 title: "Flex Caulk Hybrid Polymer Waterproof Sealant, White, 4 oz, 1-Pack" brand: "flex seal" price: "€ 32.25" currency: EUR in_stock: true category: "Flex Seal" url: https://www.desertcart.sk/products/671546318-flex-caulk-hybrid-polymer-waterproof-sealant-white-4-oz-1 store_origin: SK region: Slovakia --- # 200 psi tensile strength Waterproof sealant No caulk gun needed Flex Caulk Hybrid Polymer Waterproof Sealant, White, 4 oz, 1-Pack **Brand:** flex seal **Price:** € 32.25 **Availability:** ✅ In Stock ## Summary > 💧 Seal smarter, not harder—flex your fix with Flex Caulk Hybrid! ## Quick Answers - **What is this?** Flex Caulk Hybrid Polymer Waterproof Sealant, White, 4 oz, 1-Pack by flex seal - **How much does it cost?** € 32.25 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/671546318-flex-caulk-hybrid-polymer-waterproof-sealant-white-4-oz-1) ## 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 - • **Customizable Finish:** Fully paintable to match your style and maintain a flawless look. - • **Durability That Lasts:** Won't shrink, crack, or become brittle—UV and chemical resistant for long-term performance. - • **Universal Surface Adhesion:** Bonds seamlessly to virtually any surface including tile, wood, metal, and more. - • **Ultimate Waterproof Barrier:** Seals out water, air, and moisture on wet or dry surfaces with industrial-grade reliability. - • **Effortless Precision Application:** Adjustable trigger flow nozzle for mess-free control—no caulk gun required. ## Overview Flex Caulk Hybrid Polymer Waterproof Sealant is a 4 oz, white, synthetic polymer caulk designed for professional-grade sealing without the hassle of a caulk gun. Featuring an adjustable trigger flow nozzle and advanced hybrid polymer formula, it delivers a waterproof, airtight, and moisture-resistant seal that adheres to wet or dry surfaces. With 200 psi tensile strength, UV and chemical resistance, and full paintability, it’s the go-to solution for durable, clean, and versatile sealing in kitchens, baths, windows, and more. ## Description desertcart.com: Flex Caulk Hybrid Polymer Waterproof Sealant, White, 4 oz, 1-Pack | No caulk gun needed, trigger flow nozzle, paintable, won't shrink or crack, seals wet or dry, bath, kitchen, sink, window, RV : Industrial & Scientific ## 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 | B0DK9YCYYW | | Best Sellers Rank | #145 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Adhesive Caulk | | Brand Name | Flex Seal | | Color | White | | Customer Reviews | 4.0 4.0 out of 5 stars (158) | | Included Components | Flex Caulk, White, 4 oz, 1-Pack | | Item Form | Liquid | | Item Highlight | No caulk gun needed, trigger flow nozzle, paintable, won't shrink or crack, seals wet or dry, bath, kitchen, sink, window, RV | | Liquid Volume | 4 fluid ounces | | Manufacturer | Swift Response, LLC | | Material Type | Synthetic Polymer | | Model | CFSWHTR100 | | Number of Items | 1 | | Part Number | CFSWHTR100 | | Surface Recommendation | Tile | | Tensile Strength | 200 psi | | UPC | 810129870749 | | Unit Count | 4 Fluid Ounces | | Water Resistance Level | Waterproof | ## Product Details - **Brand:** Flex Seal - **Color:** White - **Item Form:** Liquid - **Liquid Volume:** 4 fluid ounces - **Surface Recommendation:** Tile ## Images ![Flex Caulk Hybrid Polymer Waterproof Sealant, White, 4 oz, 1-Pack - Image 1](https://m.media-amazon.com/images/I/31UxLhxbf9L.jpg) ![Flex Caulk Hybrid Polymer Waterproof Sealant, White, 4 oz, 1-Pack - Image 2](https://m.media-amazon.com/images/I/41Dh99ZicjL.jpg) ![Flex Caulk Hybrid Polymer Waterproof Sealant, White, 4 oz, 1-Pack - Image 3](https://m.media-amazon.com/images/I/51DN3KjBy2L.jpg) ![Flex Caulk Hybrid Polymer Waterproof Sealant, White, 4 oz, 1-Pack - Image 4](https://m.media-amazon.com/images/I/51MXNQRSITL.jpg) ![Flex Caulk Hybrid Polymer Waterproof Sealant, White, 4 oz, 1-Pack - Image 5](https://m.media-amazon.com/images/I/416cfLnsPEL.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.sk/products/671546318-flex-caulk-hybrid-polymer-waterproof-sealant-white-4-oz-1](https://www.desertcart.sk/products/671546318-flex-caulk-hybrid-polymer-waterproof-sealant-white-4-oz-1) --- *Product available on Desertcart Slovakia* *Store origin: SK* *Last updated: 2026-10-22*