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💧 Seal smart, live leak-free — the last caulk you'll ever need!
Flex Caulk Hybrid Polymer Waterproof Sealant is a clear, 6.6 oz advanced hybrid polymer formula that offers a waterproof, airtight seal on virtually any surface—wet or dry. Featuring an adjustable trigger flow nozzle for precise application without a caulk gun, it resists shrinking, cracking, UV, and chemicals. The Snap & Save cap minimizes waste, and the sealant is fully paintable, making it perfect for professional-grade repairs in kitchens, bathrooms, windows, and RVs.












| ASIN | B0D2FKV95Q |
| Best Sellers Rank | #135 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Adhesive Caulk |
| Brand Name | Flex Seal |
| Color | Clear |
| Customer Reviews | 4.4 4.4 out of 5 stars (2,127) |
| Full Cure Time | 24 hours |
| Included Components | Flex Caulk, Clear, 6.6 oz, 1-Pack |
| Initial Hardening Time | 10 minutes minutes |
| 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 |
| Item Weight | 6.6 ounces |
| Liquid Volume | 6.6 fluid ounces |
| Manufacturer | Swift Response, LLC |
| Material Type | Hybrid Polymer |
| Model | CFSCLRR675 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | CFSCLRR675 |
| Surface Recommendation | Tile, Pipe, Counter Top, Window, Door, Sink, Tub, Walls, Gutter |
| UPC | 810129870787 |
| Unit Count | 6.6 Fluid Ounces |
| Water Resistance Level | Waterproof |
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