--- product_id: 668347267 title: "Flex Caulk Hybrid Polymer Waterproof Sealant, Clear, 3 oz, 1-Pack" brand: "flex seal" price: "S$26" currency: SGD in_stock: true category: "Flex Seal" url: https://www.desertcart.sg/products/668347267-flex-caulk-hybrid-polymer-waterproof-sealant-clear-3-oz-1 store_origin: SG region: Singapore --- # 400 psi tensile strength Waterproof sealant Fully paintable finish Flex Caulk Hybrid Polymer Waterproof Sealant, Clear, 3 oz, 1-Pack **Brand:** flex seal **Price:** S$26 **Availability:** ✅ In Stock ## Summary > 💧 Seal smart, live leak-free — the last caulk you’ll ever need! ## Quick Answers - **What is this?** Flex Caulk Hybrid Polymer Waterproof Sealant, Clear, 3 oz, 1-Pack by flex seal - **How much does it cost?** S$26 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/668347267-flex-caulk-hybrid-polymer-waterproof-sealant-clear-3-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 - • **Effortless Precision:** No caulk gun needed with adjustable trigger flow nozzle for flawless application every time. - • **Ultimate Versatility:** Bonds to virtually any surface—wet or dry—perfect for kitchens, baths, windows, and RVs. - • **Durability That Lasts:** Advanced hybrid polymer formula won’t shrink, crack, or become brittle, ensuring long-term protection. - • **Waste-Free Innovation:** Snap & Save cap design eliminates product waste, saving you money and hassle. - • **UV & Chemical Resistant:** Built to withstand harsh environments while remaining fully paintable to match your style. ## Overview Flex Caulk Hybrid Polymer Waterproof Sealant is a 3 oz clear, industrial-grade sealant designed for professional and DIY use. Featuring a no-gun-needed adjustable trigger flow nozzle, it delivers precise application on wet or dry surfaces. Its advanced hybrid polymer formula offers superior tensile strength (400 psi), resists UV and chemicals, and remains flexible without shrinking or cracking. The product is fully paintable and includes a Snap & Save cap to minimize waste, making it ideal for sealing bathrooms, kitchens, windows, and RVs with lasting waterproof protection. ## Description desertcart.com: Flex Caulk Hybrid Polymer Waterproof Sealant, Clear, 3 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 | B0DK9X348H | | Best Sellers Rank | #154 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Adhesive Caulk | | Brand Name | Flex Seal | | Color | Clear | | Customer Reviews | 4.2 4.2 out of 5 stars (110) | | Full Cure Time | 4 hours | | Included Components | Flex Caulk, Clear, 3 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 | 3 fluid ounces | | Manufacturer | Swift Response, LLC | | Material Type | Hybrid Polymer | | Model | CFSCLRR100 | | Number of Items | 1 | | Part Number | CFSCLRR100 | | Surface Recommendation | Tile | | Tensile Strength | 400 psi | | UPC | 810129870770 | | Unit Count | 3 Fluid Ounces | | Water Resistance Level | Waterproof | ## Product Details - **Brand:** Flex Seal - **Color:** Clear - **Full Cure Time:** 4 hours - **Item Form:** Liquid - **Liquid Volume:** 3 fluid ounces ## Images ![Flex Caulk Hybrid Polymer Waterproof Sealant, Clear, 3 oz, 1-Pack - Image 1](https://m.media-amazon.com/images/I/315n4lqNajL.jpg) ![Flex Caulk Hybrid Polymer Waterproof Sealant, Clear, 3 oz, 1-Pack - Image 2](https://m.media-amazon.com/images/I/41D4pg8Z6XL.jpg) ![Flex Caulk Hybrid Polymer Waterproof Sealant, Clear, 3 oz, 1-Pack - Image 3](https://m.media-amazon.com/images/I/51DN3KjBy2L.jpg) ![Flex Caulk Hybrid Polymer Waterproof Sealant, Clear, 3 oz, 1-Pack - Image 4](https://m.media-amazon.com/images/I/51MXNQRSITL.jpg) ![Flex Caulk Hybrid Polymer Waterproof Sealant, Clear, 3 oz, 1-Pack - Image 5](https://m.media-amazon.com/images/I/416cfLnsPEL.jpg) ## Available Options This product comes in different **Color, Total Product Quantity** 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.sg/products/668347267-flex-caulk-hybrid-polymer-waterproof-sealant-clear-3-oz-1](https://www.desertcart.sg/products/668347267-flex-caulk-hybrid-polymer-waterproof-sealant-clear-3-oz-1) --- *Product available on Desertcart Singapore* *Store origin: SG* *Last updated: 2026-10-29*