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💧 Seal it, protect it, forget it—Flex Seal your way to leak-proof peace of mind!
Flex Seal Liquid Rubber Sealant Coating is a 320 oz black waterproof liquid rubber that can be brushed, rolled, dipped, or poured on to create a flexible, watertight seal. It offers UV resistance, prevents rust and corrosion, and is chemical resistant, making it ideal for roofs, basements, RVs, gutters, and masonry. Durable and easy to apply, it’s designed to stop leaks fast and protect surfaces from harsh elements.












| ASIN | B0916RKHLH |
| Best Sellers Rank | #198,899 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #639 in Hardware Sealers |
| Brand Name | Flex Seal Liquid |
| Color | Black |
| Compatible Material | Rubber |
| Customer Reviews | 4.3 4.3 out of 5 stars (118) |
| Global Trade Identification Number | 00850017897434 |
| Included Components | Item |
| Item Dimensions | 10.5 x 10 x 10 inches |
| Item Form | Liquid |
| Item Highlight | Stops leaks fast, brush, roll, dip or pour on, UV resistant, prevents rust, corrosion, roof, basement, RV, gutters, masonry |
| Item Type Name | Flex Liquid MAX Black 2.5 Gallons |
| Item Weight | 20 pounds |
| Manufacturer | Swift Response, LLC |
| Material Type | Rubber |
| Model | LFSMAXBLK02 |
| Number of Items | 1 |
| Part Number | LFSMAXBLK02 |
| Style Name | Liquid Rubber |
| Surface Recommendation | Roof |
| UPC | 850017897434 |
| Unit Count | 320 Fluid Ounces |
| Warranty Description | 1 Year Limited |
| Water Resistance Level | Waterproof |
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