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💧 Seal smarter, not harder—flex your fix with Flex Caulk Hybrid!
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.












| ASIN | B0DK9YCYYW |
| Best Sellers Rank | #111 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Adhesive Caulk |
| Brand | Flex Seal |
| Brand Name | Flex Seal |
| Color | White |
| Customer Reviews | 4.0 out of 5 stars 152 Reviews |
| 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 |
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