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💪 Seal it, paint it, forget it — the last putty you’ll ever need!
Flex Paste Waterproof Paintable Putty is a durable, rubberized sealant that blocks air, water, and moisture by forming a flexible, watertight barrier. It works on a wide range of surfaces including drywall, concrete, metal, and even underwater. Its thick consistency fills large gaps and cracks without shrinking or cracking, and once cured, it’s fully paintable and UV resistant. Packaged in an innovative stay-fresh container, it ensures long-lasting performance for indoor and outdoor repairs.












| ASIN | B084TCZLQQ |
| Best Sellers Rank | #7,756 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #27 in Hardware Sealers |
| Brand Name | Flex Paste |
| Color | White |
| Compatible Material | Brick, Ceramic, Concrete, Fabric, Glass, Metal, Plastic, Porcelain, Stone, Wood |
| Customer Reviews | 4.0 4.0 out of 5 stars (6,021) |
| Included Components | Item |
| Item Dimensions | 11.25 x 3 x 3 inches |
| Item Form | Paste |
| Item Type Name | Flex Seal PFSWHTR10 Flex Paste 9 Oz. Cartridge - White |
| Item Weight | 9 Ounces |
| Manufacturer | Swift Response, LLC |
| Material Type | Rubber |
| Model | PFSWHTR10 |
| Number of Items | 1 |
| Part Number | PFSWHTR10 |
| Style Name | 9 oz White |
| Surface Recommendation | Windows,Doors |
| UPC | 850010226866 |
| Unit Count | 9.0 Ounce |
| Warranty Description | 1 Year Limited |
| Water Resistance Level | Waterproof |
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